{"id":48036,"date":"2024-01-06T15:27:04","date_gmt":"2023-03-31T22:21:26","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rust%e8%af%ad%e8%a8%80%e6%9e%84%e5%bb%barest-grpc-graphql%e7%9a%84api%e6%9c%8d%e5%8a%a1%e5%99%a8\/"},"modified":"2024-05-04T17:11:02","modified_gmt":"2024-05-04T09:11:02","slug":"%e4%bd%bf%e7%94%a8rust%e8%af%ad%e8%a8%80%e6%9e%84%e5%bb%barest-grpc-graphql%e7%9a%84api%e6%9c%8d%e5%8a%a1%e5%99%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8rust%e8%af%ad%e8%a8%80%e6%9e%84%e5%bb%barest-grpc-graphql%e7%9a%84api%e6%9c%8d%e5%8a%a1%e5%99%a8\/","title":{"rendered":"\u4f7f\u7528Rust\u8bed\u8a00\u6784\u5efaREST\/gRPC\/GraphQL\u7684API\u670d\u52a1\u5668"},"content":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f Rust 3 \u964d\u4e34\u65e5\u5386 2020 \u5e74\u7b2c 20 \u5929\u7684\u6587\u7ae0\u3002<br \/>\n\u524d\u4e00\u5929\u7684\u6587\u7ae0\u662f hibi221b \u7684\u300a\u524d 500 \u4e2a Rustlang \u4ed3\u5e93\u300b\u3002\u5404\u4e2a\u9886\u57df\u90fd\u5217\u51fa\u4e86\u5404\u79cd\u5404\u6837\u7684\u4ed3\u5e93\u3002<\/p>\n<h2>\u672c\u6587\u7684\u6982\u8981<\/h2>\n<p>\u6211\u5728 Rust \u4e2d\u5c1d\u8bd5\u4e86\u4f7f\u7528\u4ee5\u4e0b API \u8fdb\u884c\u670d\u52a1\u5668\u5b9e\u73b0\u3002\u672c\u6587\u5c06\u5206\u4eab\u8fd9\u4e9b\u793a\u4f8b\u4ee3\u7801\u4ee5\u53ca\u53c2\u8003\u7684\u6587\u7ae0\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">gRPC\uff08RPC \u7cfb\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">REST<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">GraphQL<\/ul>\n<p>\u672c\u6587\u5bf9\u5e94\u7684\u4ee3\u7801\u5df2\u7ecf\u5305\u542b\u5728\u8fd9\u4e2a\u4ed3\u5e93\u4e2d\u3002<\/p>\n<h2>\u672c\u7ae0\u7684\u76ee\u5f55<\/h2>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u4ee5\u4e0b\u662fAPI\u76f8\u95dc\u53c3\u8003\u6587\u7ae0\u7684\u9078\u9805\uff1a<\/ol>\n<\/li>\n<\/ol>\n<p>gRPC<br \/>\nREST<br \/>\nGraphQL<\/p>\n<p>\u6700\u5f8c<\/p>\n<h1>\u672c\u6b21\u8ba8\u8bba\u7684API\u53c2\u8003\u6587\u7ae0<\/h1>\n<p>\u5173\u4e8eWeb API\u7684\u4e00\u822c\u63cf\u8ff0\uff0c\u53ef\u4ee5\u53c2\u8003\u4e0b\u9762\u7684\u6587\u7ae0\u3002<\/p>\n<p>\u300eWebAPI\u306b\u3064\u3044\u3066\u306e\u8aac\u660e\u300f\uff08busyoumono99\u69d8\uff09<\/p>\n<p>\u300e\u7ffb\u8a33: WebAPI \u8a2d\u8a08\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u300f\uff08mserizawa\u69d8\uff09<\/p>\n<p>\u6839\u636eAltexsoft\u516c\u53f8\u7684\u6587\u7ae0\uff0c\u7528\u4e8e\u7f51\u7edc\u76f8\u5173\u7684API\u6709\u8bb8\u591a\u79cd\u7c7b\u3002\u636e\u8bf4API\u7684\u67b6\u6784\u98ce\u683c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u65b9\u5f0f\u8fdb\u884c\u5206\u7c7b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">RPC \u7cfb\uff1aXML-RPC, JSON-RPC, gRPC \u306a\u3069<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SOAP<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">REST \u7cfb\uff1aOData \u306a\u3069<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">GraphQL<\/ul>\n<p>\u8bf7\u53c2\u8003\u4ee5\u4e0b Qiita \u6587\u7ae0\uff0c\u4e86\u89e3\u5173\u4e8e\u672c\u6b21\u5b9e\u65bd\u7684 gRPC\u3001REST \u548c GraphQL \u7684\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>\u300eREST API\u306e\u8a2d\u8a08\u3067\u6d88\u8017\u3057\u3066\u3044\u308b\u611f\u3058\u305f\u3068\u304d\u306egRPC\u5165\u9580\u300f\uff08disc99\u69d8\uff09<\/p>\n<p>\u300egRPC\u3063\u3066\u4f55\uff1f\u300f\uff08oohira\u69d8\uff09<\/p>\n<p>\u300e0\u304b\u3089REST API\u306b\u3064\u3044\u3066\u8abf\u3079\u3066\u307f\u305f\u300f\uff08masato44gm\u69d8\uff09<\/p>\n<p>\u300eGraphQL\u306e\u5168\u4f53\u50cf\u3068WebApp\u958b\u767a\u306e\u3053\u308c\u304b\u3089\u300f\uff08saboyutaka\u69d8\uff09<\/p>\n<p>\u300eGraphQL\u306f\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3068\u306a\u308b\u304b\u300f\uff08saboyutaka\u69d8\uff09<\/p>\n<h1>\u5b9e\u65bd\u793a\u4f8b<\/h1>\n<h2>gRPC<\/h2>\n<p>\u6839\u636e\u6211\u57282020\u5e7412\u670819\u65e5\u67e5\u770b\u7684\u60c5\u51b5\uff0c\u901a\u8fc7grpc-ecosystem\/awesome-grpc\u5b58\u50a8\u5e93\u63d0\u4f9b\u4e86gRPC\u7684Rust\u529f\u80fd\u7684crate\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<p>grpc-rs &#8211; The gRPC library for Rust built on C Core library and futures<\/p>\n<p>grpc-rust &#8211; Rust implementation of gRPC<\/p>\n<p>tower-grpc &#8211; A client and server gRPC implementation based on Tower<\/p>\n<p>tonic &#8211; A native gRPC client &amp; server implementation with async\/await support<\/p>\n<p>\u8fd9\u6b21\u6211\u4eec\u5c06\u5728\u8fd9\u4e9b\u4e2d\u4f7f\u7528 tonic\u3002\u6211\u53c2\u8003\u4e86 tonic \u4ed3\u5e93\u4e2d\u7684\u793a\u4f8b\u548c\u8fd9\u7bc7 Qiita \u6587\u7ae0\u3002<\/p>\n<h3>\u6587\u4ef6\u7ed3\u6784\u7b49<\/h3>\n<p>\u6587\u4ef6\u7ed3\u6784\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>grpc_hello_server\/\r\n    proto\/\r\n        hello_server.proto\r\n    src\/\r\n        client.rs\r\n        server.rs\r\n    build.rs\r\n    Cargo.toml\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f Cargo.toml \u6587\u4ef6\u7684\u5185\u5bb9\u3002\u4f9d\u8d56\u5305\u5305\u62ec tonic\u3001prost \u548c tokio\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">[<\/span><span class=\"n\">package<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"grpc-hello-server\"<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"n\">authors<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"XXXX\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">edition<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"2018\"<\/span>\r\n\r\n<span class=\"cs\"># See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n\r\n<span class=\"p\">[[<\/span><span class=\"n\">bin<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"grpc-hello-server\"<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"src\/server.rs\"<\/span>\r\n\r\n<span class=\"p\">[[<\/span><span class=\"n\">bin<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"grpc-hello-client\"<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"src\/client.rs\"<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">tonic<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.3.1\"<\/span>\r\n<span class=\"n\">prost<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"^0.6\"<\/span>\r\n<span class=\"n\">tokio<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span> <span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"^0.2.13\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">features<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"macros\"<\/span><span class=\"p\">]<\/span> <span class=\"p\">}<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">build<\/span><span class=\"o\">-<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">tonic<\/span><span class=\"o\">-<\/span><span class=\"n\">build<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.3\"<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fgRPC\u4e2d\u5b9a\u4e49API\u89c4\u8303\u7684proto\u6587\u4ef6\u3002<br \/>\n\u6211\u4f1a\u5728\u4e0b\u9762\u5c55\u793a\u5b9e\u73b0\u7684hello_server.proto\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"na\">syntax<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"proto3\"<\/span><span class=\"p\">;<\/span>\r\n<span class=\"kn\">package<\/span> <span class=\"nn\">hello_server<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">service<\/span> <span class=\"n\">Greeter<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">rpc<\/span> <span class=\"n\">SayHello<\/span> <span class=\"p\">(<\/span><span class=\"n\">HelloRequest<\/span><span class=\"p\">)<\/span> <span class=\"k\">returns<\/span> <span class=\"p\">(<\/span><span class=\"n\">HelloReply<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">message<\/span> <span class=\"nc\">HelloRequest<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kt\">string<\/span> <span class=\"na\">name<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"kd\">message<\/span> <span class=\"nc\">HelloReply<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"kt\">string<\/span> <span class=\"kd\">message<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"p\">;<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6211\u5011\u5c07\u7de8\u8b6f\u5df2\u5b9a\u7fa9\u7684 proto \u6a94\u6848\uff0c\u4e26\u5728\u5176\u4ed6\u6a94\u6848\u4e2d\u547c\u53eb\u5b83\u3002<br \/>\n\u6211\u5011\u5728 build.rs \u6a94\u6848\u4e2d\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u5f0f\uff0c\u7528\u65bc\u7de8\u8b6f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">tonic_build<\/span><span class=\"p\">::<\/span><span class=\"nf\">compile_protos<\/span><span class=\"p\">(<\/span><span class=\"s\">\"proto\/hello_server.proto\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u4e0a\u8ff0\u4ee3\u7801\u88ab\u7f16\u8bd1\u540e\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528\u5728proto\u4e2d\u5b9a\u4e49\u7684client.rs\u6216\u8005server.rs\u4e2d\u4f7f\u7528\u7684\u4e1c\u897f\u3002<br \/>\n\u8bf7\u6ce8\u610f\uff0c\u7f16\u8bd1\u672c\u8eab\u5bf9\u4e8e\u521b\u5efaclient.rs\u7b49\u6587\u4ef6\u6ca1\u6709\u95ee\u9898\u3002<\/p>\n<p>\u4ee5\u4e0b\u662fclient.rs\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"c\">\/\/ hello_server.proto \u5185\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">mod<\/span> <span class=\"n\">hello_server<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">tonic<\/span><span class=\"p\">::<\/span><span class=\"nd\">include_proto!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"hello_server\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u4e0a\u8a18\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">hello_server<\/span><span class=\"p\">::<\/span><span class=\"nn\">greeter_client<\/span><span class=\"p\">::<\/span><span class=\"n\">GreeterClient<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">hello_server<\/span><span class=\"p\">::<\/span><span class=\"n\">HelloRequest<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[tokio::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">GreeterClient<\/span><span class=\"p\">::<\/span><span class=\"nf\">connect<\/span><span class=\"p\">(<\/span><span class=\"s\">\"http:\/\/[::1]:50051\"<\/span><span class=\"p\">)<\/span><span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">request<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">tonic<\/span><span class=\"p\">::<\/span><span class=\"nn\">Request<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">HelloRequest<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">name<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Tonic\"<\/span><span class=\"nf\">.into<\/span><span class=\"p\">(),<\/span>\r\n    <span class=\"p\">});<\/span>\r\n\r\n    <span class=\"k\">let<\/span> <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span><span class=\"nf\">.say_hello<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">)<\/span><span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"RESPONSE={:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">response<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fserver.rs\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">tonic<\/span><span class=\"p\">::{<\/span><span class=\"nn\">transport<\/span><span class=\"p\">::<\/span><span class=\"n\">Server<\/span><span class=\"p\">,<\/span> <span class=\"n\">Request<\/span><span class=\"p\">,<\/span> <span class=\"n\">Response<\/span><span class=\"p\">,<\/span> <span class=\"n\">Status<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"c\">\/\/ hello_server.proto \u5185\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u30e2\u30b8\u30e5\u30fc\u30eb\u3068\u3057\u3066\u30a4\u30f3\u30dd\u30fc\u30c8<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">mod<\/span> <span class=\"n\">hello_server<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">tonic<\/span><span class=\"p\">::<\/span><span class=\"nd\">include_proto!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"hello_server\"<\/span><span class=\"p\">);<\/span> \r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u4e0a\u8a18\u30e2\u30b8\u30e5\u30fc\u30eb\u5185\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u547c\u3073\u51fa\u3059<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">hello_server<\/span><span class=\"p\">::<\/span><span class=\"nn\">greeter_server<\/span><span class=\"p\">::{<\/span><span class=\"n\">Greeter<\/span><span class=\"p\">,<\/span> <span class=\"n\">GreeterServer<\/span><span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">hello_server<\/span><span class=\"p\">::{<\/span><span class=\"n\">HelloReply<\/span><span class=\"p\">,<\/span> <span class=\"n\">HelloRequest<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"nd\">#[derive(Debug,<\/span> <span class=\"nd\">Default)]<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">MyGreeter<\/span> <span class=\"p\">{}<\/span>\r\n\r\n<span class=\"nd\">#[tonic::async_trait]<\/span>\r\n<span class=\"k\">impl<\/span> <span class=\"n\">Greeter<\/span> <span class=\"k\">for<\/span> <span class=\"n\">MyGreeter<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ Return an instance of type HelloReply<\/span>\r\n    <span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">say_hello<\/span><span class=\"p\">(<\/span>\r\n        <span class=\"o\">&amp;<\/span><span class=\"k\">self<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"c\">\/\/ Accept request of type HelloRequest<\/span>\r\n        <span class=\"n\">request<\/span><span class=\"p\">:<\/span> <span class=\"n\">Request<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">HelloRequest<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span> \r\n    <span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Response<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">HelloReply<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span> <span class=\"n\">Status<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span> \r\n        <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Got a request: {:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">request<\/span><span class=\"p\">);<\/span>\r\n\r\n        <span class=\"k\">let<\/span> <span class=\"n\">reply<\/span> <span class=\"o\">=<\/span> <span class=\"n\">HelloReply<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"c\">\/\/ We must use .into_inner() as the fields of gRPC requests and responses are private<\/span>\r\n            <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nd\">format!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello {}!\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">request<\/span><span class=\"nf\">.into_inner<\/span><span class=\"p\">()<\/span><span class=\"py\">.name<\/span><span class=\"p\">)<\/span><span class=\"nf\">.into<\/span><span class=\"p\">(),<\/span> \r\n        <span class=\"p\">};<\/span>\r\n\r\n        <span class=\"c\">\/\/ Send back our formatted greeting<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"nn\">Response<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">reply<\/span><span class=\"p\">))<\/span> \r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[tokio::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">addr<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"[::1]:50051\"<\/span><span class=\"nf\">.parse<\/span><span class=\"p\">()<\/span><span class=\"nf\">.unwrap<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">greeter<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">MyGreeter<\/span><span class=\"p\">::<\/span><span class=\"nf\">default<\/span><span class=\"p\">();<\/span>\r\n\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GreeterServer listening on {}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">addr<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"nn\">Server<\/span><span class=\"p\">::<\/span><span class=\"nf\">builder<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.add_service<\/span><span class=\"p\">(<\/span><span class=\"nn\">GreeterServer<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">greeter<\/span><span class=\"p\">))<\/span>\r\n        <span class=\"nf\">.serve<\/span><span class=\"p\">(<\/span><span class=\"n\">addr<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u8003\u8bd5\u65b9\u5f0f<\/h3>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728grpc_hello_server\/\u4e2d\u8fd0\u884ccargo run &#8211;bin grpc-hello-server\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728\u53e6\u4e00\u4e2a\u547d\u4ee4\u63d0\u793a\u7b26\u4e2d\u8fd0\u884ccargo run &#8211;bin grpc-hello-client\u3002<\/ol>\n<h2>\u4f11\u606f<\/h2>\n<p>REST API \u53ef\u4ee5\u4ec5\u4f7f\u7528 Actix Web \u8fdb\u884c\u5b9e\u73b0\u3002\u6211\u53c2\u8003\u4e86\u5b98\u65b9\u7f51\u7ad9\u4e0a\u7684\u6587\u7ae0\u3002<\/p>\n<h3>\u6587\u4ef6\u7ed3\u6784\u7b49<\/h3>\n<p>\u6587\u4ef6\u7684\u6784\u6210\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre class=\"post-pre\"><code>rest_hello_server\/\r\n    src\/\r\n        client.rs\r\n        server.rs\r\n    Cargo.toml\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662f Cargo.toml \u6587\u4ef6\u7684\u5185\u5bb9\u3002\u5b83\u5305\u542b\u4ee5\u4e0b\u4f9d\u8d56\u9879\uff1aactix-web\u3001actix-http \u548c awc\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">[<\/span><span class=\"n\">package<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"rest-hello-server\"<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"n\">authors<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"XXXX\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">edition<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"2018\"<\/span>\r\n\r\n<span class=\"cs\"># See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">actix<\/span><span class=\"o\">-<\/span><span class=\"n\">web<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"3.3.2\"<\/span>\r\n<span class=\"n\">actix<\/span><span class=\"o\">-<\/span><span class=\"n\">http<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"^2.2.0\"<\/span>\r\n<span class=\"n\">awc<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"^2.0.3\"<\/span>\r\n\r\n<span class=\"p\">[[<\/span><span class=\"n\">bin<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"rest-hello-server\"<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"src\/server.rs\"<\/span>\r\n\r\n<span class=\"p\">[[<\/span><span class=\"n\">bin<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"rest-hello-client\"<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"src\/client.rs\"<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fclient.rs\u6587\u4ef6\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">actix_http<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[actix_web::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">client<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">awc<\/span><span class=\"p\">::<\/span><span class=\"nn\">Client<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"c\">\/\/ Create request builder, configure request and send<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">addr<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"nb\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"http:\/\/localhost:8080\/\"<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span>\r\n        <span class=\"nf\">.get<\/span><span class=\"p\">(<\/span><span class=\"n\">addr<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.send<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c\">\/\/ server http response<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Response: {:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">response<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c\">\/\/ read response body<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">body<\/span> <span class=\"o\">=<\/span> <span class=\"n\">response<\/span><span class=\"nf\">.body<\/span><span class=\"p\">()<\/span><span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Downloaded: {:?} bytes, {:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">body<\/span><span class=\"nf\">.len<\/span><span class=\"p\">(),<\/span> <span class=\"n\">body<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c\">\/\/ Get a response from the second endpoint<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">addr<\/span><span class=\"p\">:<\/span> <span class=\"o\">&amp;<\/span><span class=\"nb\">str<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"http:\/\/localhost:8080\/hey\"<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"n\">client<\/span>\r\n        <span class=\"nf\">.get<\/span><span class=\"p\">(<\/span><span class=\"n\">addr<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.send<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n\r\n    <span class=\"c\">\/\/ server http response<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Response: {:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">response<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"c\">\/\/ read response body<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">body<\/span> <span class=\"o\">=<\/span> <span class=\"n\">response<\/span><span class=\"nf\">.body<\/span><span class=\"p\">()<\/span><span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Downloaded: {:?} bytes, {:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">body<\/span><span class=\"nf\">.len<\/span><span class=\"p\">(),<\/span> <span class=\"n\">body<\/span><span class=\"p\">);<\/span>\r\n\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(())<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fserver.rs\u7684\u5185\u5bb9\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">actix_web<\/span><span class=\"p\">::{<\/span><span class=\"n\">get<\/span><span class=\"p\">,<\/span> <span class=\"n\">post<\/span><span class=\"p\">,<\/span> <span class=\"n\">web<\/span><span class=\"p\">,<\/span> <span class=\"n\">App<\/span><span class=\"p\">,<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">,<\/span> <span class=\"n\">HttpServer<\/span><span class=\"p\">,<\/span> <span class=\"n\">Responder<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"nd\">#[get(<\/span><span class=\"s\">\"\/\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">hello<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"k\">impl<\/span> <span class=\"n\">Responder<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">HttpResponse<\/span><span class=\"p\">::<\/span><span class=\"nf\">Ok<\/span><span class=\"p\">()<\/span><span class=\"nf\">.body<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hello world!\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[post(<\/span><span class=\"s\">\"\/echo\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">echo<\/span><span class=\"p\">(<\/span><span class=\"n\">req_body<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"k\">impl<\/span> <span class=\"n\">Responder<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">HttpResponse<\/span><span class=\"p\">::<\/span><span class=\"nf\">Ok<\/span><span class=\"p\">()<\/span><span class=\"nf\">.body<\/span><span class=\"p\">(<\/span><span class=\"n\">req_body<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">manual_hello<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"k\">impl<\/span> <span class=\"n\">Responder<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">HttpResponse<\/span><span class=\"p\">::<\/span><span class=\"nf\">Ok<\/span><span class=\"p\">()<\/span><span class=\"nf\">.body<\/span><span class=\"p\">(<\/span><span class=\"s\">\"Hey there!\"<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[actix_web::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">io<\/span><span class=\"p\">::<\/span><span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">HttpServer<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(||<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nn\">App<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">()<\/span>\r\n            <span class=\"nf\">.service<\/span><span class=\"p\">(<\/span><span class=\"n\">hello<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"nf\">.service<\/span><span class=\"p\">(<\/span><span class=\"n\">echo<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"nf\">.route<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/hey\"<\/span><span class=\"p\">,<\/span> <span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">get<\/span><span class=\"p\">()<\/span><span class=\"nf\">.to<\/span><span class=\"p\">(<\/span><span class=\"n\">manual_hello<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"nf\">.bind<\/span><span class=\"p\">(<\/span><span class=\"s\">\"127.0.0.1:8080\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span>\r\n    <span class=\"nf\">.run<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">.await<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6d4b\u8bd5\u65b9\u6cd5<\/h3>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728 rest_hello_server \u76ee\u5f55\u4e0b\u8fd0\u884c cargo run &#8211;bin rest-hello-server\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5728\u53e6\u4e00\u4e2a\u547d\u4ee4\u63d0\u793a\u7b26\u4e0b\u8fd0\u884c cargo run &#8211;bin rest-hello-client\u3002<\/ol>\n<h2>GraphQL-\u8bf7\u4f7f\u7528\u6c49\u8bed\u8fdb\u884c\u91ca\u4e49\u3002<\/h2>\n<p>Juniper \u5728 GraphQL \u7684\u5b98\u65b9\u7f51\u7ad9\u4e0a\u5c55\u793a\u4e86\u4ee5\u4e0b GraphQL in Rust \u5e93\u3002\u8fd9\u6b21\u6211\u4eec\u4f7f\u7528\u4e86 juniper\u3002<\/p>\n<p>graphql-rust\/juniper &#8211; GraphQL server library for Rust<\/p>\n<p>async-graphql\/async-graphql &#8211; A GraphQL server library implemented in Rust<\/p>\n<p>\u5728\u5b9e\u65bd\u65f6\uff0c\u6211\u4eec\u53c2\u8003\u4e86actix\/examples\/juniper\u3002<\/p>\n<h3>\u6587\u4ef6\u7ed3\u6784\u7b49<\/h3>\n<p>\u6587\u4ef6\u7ed3\u6784\u5982\u4e0b\u3002<\/p>\n<pre class=\"post-pre\"><code>graphql_server\/\r\n    src\/\r\n        scheme.rs\r\n        server.rs\r\n    Cargo.toml\r\n<\/code><\/pre>\n<p>\u6211\u5c06\u4ee5\u4e0b\u5185\u5bb9\u5c55\u793a\u5728Cargo.toml\u6587\u4ef6\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">[<\/span><span class=\"n\">package<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"graphql-server\"<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"n\">authors<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span><span class=\"s\">\"XXXX\"<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">edition<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"2018\"<\/span>\r\n\r\n<span class=\"cs\"># See more keys and their definitions at https:\/\/doc.rust-lang.org\/cargo\/reference\/manifest.html<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">actix<\/span><span class=\"o\">-<\/span><span class=\"n\">web<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"3\"<\/span>\r\n<span class=\"n\">actix<\/span><span class=\"o\">-<\/span><span class=\"n\">cors<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.4.0\"<\/span>\r\n<span class=\"n\">serde<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1.0.103\"<\/span>\r\n<span class=\"n\">serde_json<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1.0.44\"<\/span>\r\n<span class=\"n\">serde_derive<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1.0.103\"<\/span>\r\n<span class=\"n\">juniper<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.14.2\"<\/span>\r\n\r\n<span class=\"p\">[[<\/span><span class=\"n\">bin<\/span><span class=\"p\">]]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"graphql-server\"<\/span>\r\n<span class=\"n\">path<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"src\/server.rs\"<\/span>\r\n<\/code><\/pre>\n<p>\u5728GraphQL\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u7528\u4e8e\u4ea4\u4e92\u7684\u6570\u636e\u6a21\u5f0f\u3002\u8fd9\u6b21\u6211\u4eec\u5728scheme.rs\u6587\u4ef6\u4e2d\u5b9a\u4e49\u4e86\u4ee5\u4e0b\u6a21\u5f0f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">juniper<\/span><span class=\"p\">::<\/span><span class=\"n\">FieldResult<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">juniper<\/span><span class=\"p\">::<\/span><span class=\"n\">RootNode<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">juniper<\/span><span class=\"p\">::{<\/span><span class=\"n\">GraphQLInputObject<\/span><span class=\"p\">,<\/span> <span class=\"n\">GraphQLObject<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u5b9a\u7fa9<\/span>\r\n<span class=\"nd\">#[derive(GraphQLObject)]<\/span>\r\n<span class=\"nd\">#[graphql(description<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"Hello struct\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"k\">struct<\/span> <span class=\"n\">Hello<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[derive(GraphQLInputObject)]<\/span>\r\n<span class=\"nd\">#[graphql(description<\/span> <span class=\"nd\">=<\/span> <span class=\"s\">\"NewHello struct\"<\/span><span class=\"nd\">)]<\/span>\r\n<span class=\"k\">struct<\/span> <span class=\"n\">NewHello<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30af\u30a8\u30ea\u306e\u5b9a\u7fa9\uff08Get\u7528\uff09<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">QueryRoot<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[juniper::object]<\/span>\r\n<span class=\"k\">impl<\/span> <span class=\"n\">QueryRoot<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">fn<\/span> <span class=\"nf\">human<\/span><span class=\"p\">(<\/span><span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">FieldResult<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Hello<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">Hello<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"0\"<\/span><span class=\"nf\">.to_owned<\/span><span class=\"p\">(),<\/span>\r\n            <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"Hello GraphQL!\"<\/span><span class=\"nf\">.to_owned<\/span><span class=\"p\">(),<\/span>\r\n        <span class=\"p\">})<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"c\">\/\/ \u30df\u30e5\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u5b9a\u7fa9\uff08Post\u7528\uff09<\/span>\r\n<span class=\"k\">pub<\/span> <span class=\"k\">struct<\/span> <span class=\"n\">MutationRoot<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"nd\">#[juniper::object]<\/span>\r\n<span class=\"k\">impl<\/span> <span class=\"n\">MutationRoot<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">fn<\/span> <span class=\"nf\">create_hello<\/span><span class=\"p\">(<\/span><span class=\"n\">new_hello<\/span><span class=\"p\">:<\/span> <span class=\"n\">NewHello<\/span><span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">FieldResult<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Hello<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">Hello<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">id<\/span><span class=\"p\">:<\/span> <span class=\"s\">\"1234\"<\/span><span class=\"nf\">.to_owned<\/span><span class=\"p\">(),<\/span>\r\n            <span class=\"n\">message<\/span><span class=\"p\">:<\/span> <span class=\"n\">new_hello<\/span><span class=\"py\">.message<\/span><span class=\"p\">,<\/span>\r\n        <span class=\"p\">})<\/span>\r\n    <span class=\"p\">}<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">pub<\/span> <span class=\"k\">type<\/span> <span class=\"n\">Schema<\/span> <span class=\"o\">=<\/span> <span class=\"n\">RootNode<\/span><span class=\"o\">&lt;<\/span><span class=\"nv\">'static<\/span><span class=\"p\">,<\/span> <span class=\"n\">QueryRoot<\/span><span class=\"p\">,<\/span> <span class=\"n\">MutationRoot<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">pub<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">create_schema<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Schema<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nn\">Schema<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"n\">QueryRoot<\/span> <span class=\"p\">{},<\/span> <span class=\"n\">MutationRoot<\/span> <span class=\"p\">{})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u4ee5\u4e0b\u662fserver.rs\u7684\u5185\u5bb9\u3002\u8fd9\u51e0\u4e4e\u5b8c\u5168\u662factix\/examples\/juniper\u5185\u7684\u793a\u4f8b\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"n\">io<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">sync<\/span><span class=\"p\">::<\/span><span class=\"nb\">Arc<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">actix_cors<\/span><span class=\"p\">::<\/span><span class=\"n\">Cors<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">actix_web<\/span><span class=\"p\">::{<\/span><span class=\"n\">web<\/span><span class=\"p\">,<\/span> <span class=\"n\">App<\/span><span class=\"p\">,<\/span> <span class=\"n\">Error<\/span><span class=\"p\">,<\/span> <span class=\"n\">HttpResponse<\/span><span class=\"p\">,<\/span> <span class=\"n\">HttpServer<\/span><span class=\"p\">};<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">juniper<\/span><span class=\"p\">::<\/span><span class=\"nn\">http<\/span><span class=\"p\">::<\/span><span class=\"nn\">graphiql<\/span><span class=\"p\">::<\/span><span class=\"n\">graphiql_source<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">juniper<\/span><span class=\"p\">::<\/span><span class=\"nn\">http<\/span><span class=\"p\">::<\/span><span class=\"n\">GraphQLRequest<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">mod<\/span> <span class=\"n\">schema<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">use<\/span> <span class=\"nn\">crate<\/span><span class=\"p\">::<\/span><span class=\"nn\">schema<\/span><span class=\"p\">::{<\/span><span class=\"n\">create_schema<\/span><span class=\"p\">,<\/span> <span class=\"n\">Schema<\/span><span class=\"p\">};<\/span>\r\n\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">graphiql<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">HttpResponse<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">html<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">graphiql_source<\/span><span class=\"p\">(<\/span><span class=\"s\">\"http:\/\/127.0.0.1:8080\/graphql\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"nn\">HttpResponse<\/span><span class=\"p\">::<\/span><span class=\"nf\">Ok<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.content_type<\/span><span class=\"p\">(<\/span><span class=\"s\">\"text\/html; charset=utf-8\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.body<\/span><span class=\"p\">(<\/span><span class=\"n\">html<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">graphql<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">st<\/span><span class=\"p\">:<\/span> <span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"n\">Data<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">Arc<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">Schema<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">data<\/span><span class=\"p\">:<\/span> <span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"n\">Json<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">GraphQLRequest<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">,<\/span>\r\n<span class=\"p\">)<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">HttpResponse<\/span><span class=\"p\">,<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">user<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">block<\/span><span class=\"p\">(<\/span><span class=\"k\">move<\/span> <span class=\"p\">||<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">let<\/span> <span class=\"n\">res<\/span> <span class=\"o\">=<\/span> <span class=\"n\">data<\/span><span class=\"nf\">.execute<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">st<\/span><span class=\"p\">,<\/span> <span class=\"o\">&amp;<\/span><span class=\"p\">());<\/span>\r\n        <span class=\"nn\">Ok<\/span><span class=\"p\">::<\/span><span class=\"o\">&lt;<\/span><span class=\"mi\">_<\/span><span class=\"p\">,<\/span> <span class=\"nn\">serde_json<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">(<\/span><span class=\"nn\">serde_json<\/span><span class=\"p\">::<\/span><span class=\"nf\">to_string<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">res<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"k\">.await<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"nn\">HttpResponse<\/span><span class=\"p\">::<\/span><span class=\"nf\">Ok<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.content_type<\/span><span class=\"p\">(<\/span><span class=\"s\">\"application\/json\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.body<\/span><span class=\"p\">(<\/span><span class=\"n\">user<\/span><span class=\"p\">))<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"nd\">#[actix_web::main]<\/span>\r\n<span class=\"k\">async<\/span> <span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"nn\">io<\/span><span class=\"p\">::<\/span><span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">()<\/span><span class=\"o\">&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"c\">\/\/ Create Juniper schema<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">schema<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">sync<\/span><span class=\"p\">::<\/span><span class=\"nn\">Arc<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"nf\">create_schema<\/span><span class=\"p\">());<\/span>\r\n\r\n    <span class=\"c\">\/\/ Start http server<\/span>\r\n    <span class=\"nn\">HttpServer<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"k\">move<\/span> <span class=\"p\">||<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"nn\">App<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">()<\/span>\r\n            <span class=\"nf\">.data<\/span><span class=\"p\">(<\/span><span class=\"n\">schema<\/span><span class=\"nf\">.clone<\/span><span class=\"p\">())<\/span>\r\n            <span class=\"nf\">.wrap<\/span><span class=\"p\">(<\/span>\r\n                <span class=\"nn\">Cors<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">()<\/span>\r\n                    <span class=\"nf\">.allowed_methods<\/span><span class=\"p\">(<\/span><span class=\"nd\">vec!<\/span><span class=\"p\">[<\/span><span class=\"s\">\"POST\"<\/span><span class=\"p\">,<\/span> <span class=\"s\">\"GET\"<\/span><span class=\"p\">])<\/span>\r\n                    <span class=\"nf\">.supports_credentials<\/span><span class=\"p\">()<\/span>\r\n                    <span class=\"nf\">.max_age<\/span><span class=\"p\">(<\/span><span class=\"mi\">3600<\/span><span class=\"p\">)<\/span>\r\n                    <span class=\"nf\">.finish<\/span><span class=\"p\">(),<\/span>\r\n            <span class=\"p\">)<\/span>\r\n            <span class=\"nf\">.service<\/span><span class=\"p\">(<\/span><span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">resource<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/graphql\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.route<\/span><span class=\"p\">(<\/span><span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">post<\/span><span class=\"p\">()<\/span><span class=\"nf\">.to<\/span><span class=\"p\">(<\/span><span class=\"n\">graphql<\/span><span class=\"p\">)))<\/span>\r\n            <span class=\"nf\">.service<\/span><span class=\"p\">(<\/span><span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">resource<\/span><span class=\"p\">(<\/span><span class=\"s\">\"\/graphiql\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.route<\/span><span class=\"p\">(<\/span><span class=\"nn\">web<\/span><span class=\"p\">::<\/span><span class=\"nf\">get<\/span><span class=\"p\">()<\/span><span class=\"nf\">.to<\/span><span class=\"p\">(<\/span><span class=\"n\">graphiql<\/span><span class=\"p\">)))<\/span>\r\n    <span class=\"p\">})<\/span>\r\n    <span class=\"nf\">.bind<\/span><span class=\"p\">(<\/span><span class=\"s\">\"127.0.0.1:8080\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span>\r\n    <span class=\"nf\">.run<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"k\">.await<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u6709\u5173\u5ba2\u6237\u7aef\u670d\u52a1\u5668\u7684\u95ee\u9898\uff0cGraphQL \u5b9e\u73b0\u4e86 GraphiQL \u4f5c\u4e3a\u5ba2\u6237\u7aef\u670d\u52a1\u5668\uff0c\u56e0\u6b64\u6211\u4eec\u5c06\u4f7f\u7528\u5b83\u3002<\/p>\n<h3>\u8003\u8bd5\u65b9\u5f0f<\/h3>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5728graphql_server\u6587\u4ef6\u5939\u4e0b\uff0c\u6267\u884ccargo run &#8211;bin graphql-server\u547d\u4ee4\u3002<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u8bbf\u95eehttp:\/\/127.0.0.1:8080\/graphiql\uff0c\u5e76\u8fdb\u884cGET\/POST\u64cd\u4f5c\u3002<\/ol>\n<h2>\u6700\u540e<\/h2>\n<p>\u672c\u6587\u4ecb\u7ecd\u4e86\u5982\u4f55\u4f7f\u7528Rust\u642d\u5efaAPI\u670d\u52a1\u5668\u7684\u793a\u4f8b\u3002\u7531\u4e8e\u8fd8\u5b9e\u73b0\u4e86\u5176\u4ed6\u5404\u79cd\u529f\u80fd\uff08\u5982\u5e76\u884c\u5904\u7406\uff09\uff0c\u56e0\u6b64\u5982\u679c\u80fd\u6709\u6548\u5229\u7528\u5b83\u4eec\uff0c\u670d\u52a1\u5668\u7684\u5b9e\u73b0\u5c06\u66f4\u52a0\u6709\u8da3\u548c\u9ad8\u6548\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u7bc7\u6587\u7ae0\u662f Rust 3 \u964d\u4e34\u65e5\u5386 2020 \u5e74\u7b2c 20 \u5929\u7684\u6587\u7ae0\u3002 \u524d\u4e00\u5929\u7684\u6587\u7ae0\u662f hibi221b \u7684\u300a\u524d [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-48036","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528Rust\u8bed\u8a00\u6784\u5efaREST\/gRPC\/GraphQL\u7684API\u670d\u52a1\u5668 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u4f7f\u7528rust\u8bed\u8a00\u6784\u5efarest-grpc-graphql\u7684api\u670d\u52a1\u5668\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" 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