{"id":40201,"date":"2022-12-02T19:59:39","date_gmt":"2023-02-25T07:03:09","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e8%ae%b0%e5%bd%95%e3%80%91mybatis\/"},"modified":"2024-04-29T03:30:15","modified_gmt":"2024-04-28T19:30:15","slug":"%e3%80%90%e8%ae%b0%e5%bd%95%e3%80%91mybatis","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e3%80%90%e8%ae%b0%e5%bd%95%e3%80%91mybatis\/","title":{"rendered":"\u3010\u8bb0\u5f55\u3011MyBatis"},"content":{"rendered":"<p>\u8fd9\u662f\u5173\u4e8e\u4f7f\u7528SpringBoot\u3001Maven\u548cMySQL\u4ee5\u53caMyBatis\u7684\u8bb0\u5f55\u3002<\/p>\n<h1>MyBatis \u662f\u4ec0\u4e48?<\/h1>\n<p>\u8fd9\u662f\u4e00\u4e2a\u7528\u4e8eJava\u7b49\u6570\u636e\u5e93\u8bbf\u95ee\u7684\u5f00\u6e90\u8f6f\u4ef6\u7684O\/R\u6620\u5c04\u6846\u67b6\u3002<br \/>\n\u4e0e\u5176\u4ed6O\/R\u6620\u5c04\u6846\u67b6\u4e0d\u540c\u7684\u662f\uff0c\u5b83\u4e0d\u5c06\u6570\u636e\u5e93\u548c\u5bf9\u8c61\u8fdb\u884c\u6620\u5c04\uff0c\u800c\u662f\u5c06SQL\u8bed\u53e5\u548c\u5bf9\u8c61\u8fdb\u884c\u6620\u5c04\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">SQL\u3092XML\u306b\u8a18\u8ff0\u3057\u3001Java\u306eMapper\u30af\u30e9\u30b9\uff08interface\u30af\u30e9\u30b9\uff09\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u30e1\u30bd\u30c3\u30c9\u540d\u306b\u5fdc\u3058\u305fSQL\u304c\u5b9f\u884c\u3002<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u5f15\u6570\u3084\u623b\u308a\u5024\u306f\u3001Java\u306e\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3068SQL\u9593\u3067\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u308b\u3002<\/ul>\n<h3>O\/R\u6620\u5c04\u6846\u67b6\u662f\u4ec0\u4e48\uff1f<\/h3>\n<p>\u5c06Java\u7b49\u7a0b\u5e8f\u4e2d\u7684&#8221;\u5bf9\u8c61&#8221;\u548c\u5173\u7cfb\u6570\u636e\u5e93\uff08RDS\uff09\u8fdb\u884c\u6620\u5c04\uff0c\u4ee5\u51cf\u5c11\u4e0e\u6570\u636e\u5e93\u64cd\u4f5c\u76f8\u5173\u7684\u5b9e\u73b0\u590d\u6742\u6027\uff0c\u5e76\u89e3\u51b3\u9762\u5411\u5bf9\u8c61\u548c\u6570\u636e\u5e93\u8bbe\u8ba1\u601d\u60f3\u4e4b\u95f4\u7684\u5dee\u5f02\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u805e\u3044\u305f\u3053\u3068\u306f\u3042\u308b\u3051\u3069\u3088\u304f\u77e5\u3089\u306a\u3044MyBatis\u306b\u3061\u3087\u3063\u3068\u8fd1\u3065\u3044\u3066\u307f\u308b &#8211; ponsuke_tarou\u2019s blog<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">O\/R\u30de\u30c3\u30d4\u30f3\u30b0\u3068\u306f\uff1f | Think IT\uff08\u30b7\u30f3\u30af\u30a4\u30c3\u30c8\uff09<\/ul>\n<h1>MyBatis\u5982\u4f55\u4f7f\u7528<\/h1>\n<h2>pom\u7684\u5b9a\u4e49<\/h2>\n<p>\u6dfb\u52a0mybatis-spring-boot-starter\u4f5c\u4e3a\u4f9d\u8d56\u3002<br \/>\n\u53ef\u67e5\u770b\u4ee5\u4e0b\u53ef\u7528\u7248\u672c\u3002<\/p>\n<ul class=\"post-ul\">mybatis-spring-boot-autoconfigure \u2013 Introduction<\/ul>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;dependency&gt;<\/span>\r\n    <span class=\"nt\">&lt;groupId&gt;<\/span>org.mybatis.spring.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n    <span class=\"nt\">&lt;artifactId&gt;<\/span>mybatis-spring-boot-starter<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n    <span class=\"nt\">&lt;version&gt;<\/span>2.2.0<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n<span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n<\/code><\/pre>\n<h2>application.properties\u7684\u5b9a\u4e49\u3002<\/h2>\n<p>\u5b9a\u4e49\u4e0eRDS\u7684\u8fde\u63a5\u4fe1\u606f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"py\">spring.datasource.url<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306eURL)<\/span>\r\n<span class=\"py\">spring.datasource.username<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306e\u30e6\u30fc\u30b6\u30fc\u540d)<\/span>\r\n<span class=\"py\">spring.datasource.password<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306e\u30d1\u30b9\u30ef\u30fc\u30c9)<\/span>\r\n\r\n<span class=\"c\"># SQL\u306e\u30ab\u30e9\u30e0\u540d\uff1d\u30b9\u30cd\u30fc\u30af\u30b1\u30fc\u30b9(\u4f8b:user_id)\u3067\u3001java\uff1d\u30ad\u30e3\u30e1\u30eb\u30b1\u30fc\u30b9(\u4f8b:userId)\u306e\u5834\u5408\u3001\r\n# mybatis\u3067\u81ea\u52d5\u7684\u306b\u5909\u63db\u3057\u3066\u304f\u308c\u308b\u8a2d\u5b9a\u3002\r\n<\/span><span class=\"py\">mybatis.configuration.map-underscore-to-camel-case<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n<\/code><\/pre>\n<h2>\u521b\u5efa\u4e00\u4e2aMapper\u7c7b<\/h2>\n<p>\u4f7f\u7528@Mapper\u6ce8\u89e3\u521b\u5efaMapper\u7c7b\u3002<\/p>\n<h3>\u82e5\u8981\u7528XML\u7f16\u5199SQL\u6587<\/h3>\n<p>\u5982\u679c\u53ea\u6709\u4e00\u4e2a\u53c2\u6570\uff0c\u65e0\u9700\u4f7f\u7528\u201c@Param\u201d\u8fdb\u884c\u63cf\u8ff0\u3002<br \/>\n\u5982\u679c\u6709\u4e24\u4e2a\u6216\u66f4\u591a\u53c2\u6570\uff0c\u5219\u5fc5\u987b\u8fdb\u884c\u63cf\u8ff0\u4ee5\u8bbe\u7f6eSQL\u67e5\u8be2\u4e2d\u53c2\u6570\u548c\u65b9\u6cd5\u53c2\u6570\u4e4b\u95f4\u7684\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Mapper<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">SampleMapper<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">selectUser<\/span><span class=\"o\">(<\/span><span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"id\"<\/span><span class=\"o\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">no<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">insertUser<\/span><span class=\"o\">(<\/span><span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"id\"<\/span><span class=\"o\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">no<\/span><span class=\"o\">,<\/span> <span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"username\"<\/span><span class=\"o\">)<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">username<\/span><span class=\"o\">,<\/span> <span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"password\"<\/span><span class=\"o\">)<\/span> <span class=\"nc\">String<\/span> <span class=\"n\">password<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">mybatis \u2013 MyBatis 3 | Java API<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">Spring Boot \u304b\u3089 MyBatis \u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u8a2d\u5b9a (Gradle\/MySQL) &#8211; Qoosky<\/ul>\n<h3>\u5982\u679c\u8981\u7528Java\u7f16\u5199SQL\u8bed\u53e5\u7684\u8bdd<\/h3>\n<p>\u5982\u679c\u4e0d\u4f7f\u7528XML\u6765\u5b9a\u4e49SQL\uff0c\u4e5f\u53ef\u4ee5\u5728Java\u4e0a\u7f16\u5199SQL\u3002<br \/>\n\u5728\u8fd9\u79cd\u60c5\u51b5\u4e0b\uff0c\u53ef\u4ee5\u4f7f\u7528@Insert\uff0c@Update\uff0c@Select\uff0c@Delete\u7b49\u6ce8\u91ca\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nd\">@Mapper<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">SampleMapper<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"nd\">@Select<\/span><span class=\"o\">(<\/span><span class=\"s\">\"SELECT * FROM USER WHERE id = #{id}\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"nc\">User<\/span> <span class=\"nf\">selectUser<\/span><span class=\"o\">(<\/span><span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"id\"<\/span><span class=\"o\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">id<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<ul class=\"post-ul\">MyBatis Mapper \u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u306e\u4f7f\u3044\u65b9 &#8211; Qiita<\/ul>\n<h2>\u521b\u5efaMapper.xml<\/h2>\n<div>XML\u548cMapper\u7c7b\u9700\u8981\u5177\u6709\u76f8\u540c\u7684\u5305\u540d\u548c\u6587\u4ef6\u540d\u3002<\/div>\n<p>XML\u5e94\u8be5\u653e\u5728resources\u4e2d\uff0c\u4f46\u5982\u679c\u5b83\u7684\u5305\u540d\u548c\u6587\u4ef6\u540d\u4e0d\u4e00\u6837\uff0c\u5c31\u65e0\u6cd5\u7b80\u5355\u5730\u8fdb\u884c\u5173\u8054\u3002\u6b64\u5916\uff0c\u5982\u679c\u6ca1\u6709XML\u6587\u4ef6\uff0c\u5728\u542f\u52a8\u65f6\u4f1a\u51fa\u9519\uff0c\u4f46\u5982\u679c\u6ca1\u6709Mapper\u7c7b\uff0c\u542f\u52a8\u65f6\u4e0d\u4f1a\u51fa\u9519\u3002<\/p>\n<h3>\u5236\u56fe\u5668\u6807\u7b7e<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;mapper<\/span> <span class=\"na\">namespace =<\/span><span class=\"s\">\"sample.SampleMapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  # \u3053\u3053\u306bCRUD\u306b\u5bfe\u5fdc\u3059\u308bXML\u30bf\u30b0\u3092\u8a18\u8ff0\r\n<span class=\"nt\">&lt;\/mapper&gt;<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u5c5e\u6027\u8aac\u660enamespaceR\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u306e\u5b8c\u5168\u4fee\u98fe\u30af\u30e9\u30b9\u540d(FQCN)\u3092\u6307\u5b9a\u3002<br \/>\n\u3053\u3053\u3067XML\u3068\u30a4\u30f3\u30bf\u30fc\u30d5\u30d5\u30a7\u30fc\u30b9\u30af\u30e9\u30b9\u306e\u7d10\u4ed8\u3051\u3059\u308b\u3002<\/div>\n<\/div>\n<h3>\u9009\u62e9<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;mapper<\/span> <span class=\"na\">namespace =<\/span><span class=\"s\">\"sample.SampleMapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;select<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"selectUser\"<\/span> <span class=\"na\">parameterType=<\/span><span class=\"s\">\"int\"<\/span> <span class=\"na\">resultType=<\/span><span class=\"s\">\"hashmap\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    SELECT * FROM USER WHERE ID = #{id}\r\n  <span class=\"nt\">&lt;\/select&gt;<\/span>\r\n<span class=\"nt\">&lt;\/mapper&gt;<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u5c5e\u6027\u8aac\u660eid\u3053\u306e\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u5185\u3067\u56fa\u6709\u306a\u8b58\u5225\u5b50\u3002\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u53c2\u7167\u306b\u4f7f\u7528\u3002parameterType\u3053\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u5f15\u6570\u306e\u578b\u3002<br \/>\n\u5b8c\u5168\u4fee\u98fe\u30af\u30e9\u30b9\u540d\u307e\u305f\u306f\u30a8\u30a4\u30ea\u30a2\u30b9\u3002<br \/>\nTypeHandler \u306f\u5b9f\u969b\u306e\u5f15\u6570\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u7684\u306b\u5c0e\u51fa\u3055\u308c\u308b\u305f\u3081\u7701\u7565\u53ef\u3002<br \/>\n\uff1c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff1a\u672a\u8a2d\u5b9a\uff1eresultType\u3053\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304b\u3089\u8fd4\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3002<br \/>\n\u5b8c\u5168\u4fee\u98fe\u30af\u30e9\u30b9\u540d\u307e\u305f\u306f\u30a8\u30a4\u30ea\u30a2\u30b9\u3002<br \/>\n\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u3092\u8fd4\u3059\u5834\u5408\u306f\u3001\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306e\u578b\u3067\u306f\u306a\u304f\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u306b\u542b\u307e\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u578b\u3092\u6307\u5b9a\u3059\u308b\u5fc5\u8981\u3042\u308a\u3002<br \/>\n<code>resultType<\/code> \u3068 resultMap \u306f\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u306e\u307f\u6307\u5b9a\u53ef\u3002resultMap\u5225\u306e\u5834\u6240\u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b resultMap \u3092\u53c2\u7167\u3059\u308b\u3002<br \/>\n\u8907\u96d1\u306a\u30de\u30c3\u30d4\u30f3\u30b0\u304c\u5fc5\u8981\u3068\u306a\u308b\u69d8\u3005\u306a\u30b1\u30fc\u30b9\u306b\u5bfe\u5fdc\u53ef\u80fd\u3002<br \/>\nresultType \u3068 resultMap \u306f\u3001\u3069\u3061\u3089\u304b\u4e00\u65b9\u306e\u307f\u6307\u5b9a\u53ef\u3002<\/div>\n<\/div>\n<h3>\u63d2\u5165 \/ \u66f4\u65b0 \/ \u5220\u9664<\/h3>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;mapper<\/span> <span class=\"na\">namespace =<\/span><span class=\"s\">\"sample.SampleMapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;insert<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"insertUser\"<\/span> <span class=\"na\">parameterType=<\/span><span class=\"s\">\"domain.User\"<\/span><span class=\"nt\">&gt;<\/span>\r\n\r\n  <span class=\"nt\">&lt;update<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"updateUser\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    update User set\r\n      username = #{username}, password = #{password}\r\n      where id = #{id}\r\n  <span class=\"nt\">&lt;\/update&gt;<\/span>\r\n\r\n  <span class=\"nt\">&lt;delete<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"deleteUser\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    delete from User where id = #{id}\r\n  <span class=\"nt\">&lt;\/delete&gt;<\/span>\r\n<span class=\"nt\">&lt;\/mapper&gt;<\/span>\r\n<\/code><\/pre>\n<div>\n<div class=\"post-table\">\u5c5e\u6027\u8aac\u660eid\u3053\u306e\u30cd\u30fc\u30e0\u30b9\u30da\u30fc\u30b9\u5185\u3067\u56fa\u6709\u306a\u8b58\u5225\u5b50\u3002\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u53c2\u7167\u306b\u4f7f\u7528\u3002parameterType\u3053\u306e\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306b\u6e21\u3055\u308c\u308b\u5f15\u6570\u306e\u578b\u3002<br \/>\n\u5b8c\u5168\u4fee\u98fe\u30af\u30e9\u30b9\u540d\u307e\u305f\u306f\u30a8\u30a4\u30ea\u30a2\u30b9\u3002<br \/>\nTypeHandler \u306f\u5b9f\u969b\u306e\u5f15\u6570\u306b\u5fdc\u3058\u3066\u81ea\u52d5\u7684\u306b\u5c0e\u51fa\u3055\u308c\u308b\u305f\u3081\u7701\u7565\u53ef\u3002<br \/>\n\uff1c\u30c7\u30d5\u30a9\u30eb\u30c8\u5024\uff1a\u672a\u8a2d\u5b9a\uff1e<\/div>\n<\/div>\n<ul class=\"post-ul\">MyBatis \u2013 MyBatis 3 | Mapper XML \u30d5\u30a1\u30a4\u30eb<\/ul>\n<h1>\u6837\u672c\u7a0b\u5e8f<\/h1>\n<p>\u5c1d\u8bd5\u521b\u5efa\u63d2\u5165\u529f\u80fd\u65f6\u7684\u5185\u5bb9\u3002\u4e3a\u4e86\u8bd5\u7528\uff0c\u7701\u7565\u4e86\u9664\u4e86MyBatis\u4e4b\u5916\u7684\u90e8\u5206\u3002<\/p>\n<h3>pom.xml -&gt; \u9879\u76ee\u914d\u7f6e\u6587\u4ef6pom.xml<\/h3>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;<\/span>\r\n<span class=\"nt\">&lt;project<\/span> <span class=\"na\">xmlns=<\/span><span class=\"s\">\"http:\/\/maven.apache.org\/POM\/4.0.0\"<\/span> <span class=\"na\">xmlns:xsi=<\/span><span class=\"s\">\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"<\/span>\r\n    <span class=\"na\">xsi:schemaLocation=<\/span><span class=\"s\">\"http:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    <span class=\"nt\">&lt;modelVersion&gt;<\/span>4.0.0<span class=\"nt\">&lt;\/modelVersion&gt;<\/span>\r\n    <span class=\"nt\">&lt;parent&gt;<\/span>\r\n        <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n        <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-parent<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;version&gt;<\/span>2.5.3<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;relativePath\/&gt;<\/span> <span class=\"c\">&lt;!-- lookup parent from repository --&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/parent&gt;<\/span>\r\n    <span class=\"nt\">&lt;groupId&gt;<\/span>sample<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n    <span class=\"nt\">&lt;artifactId&gt;<\/span>sample<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n    <span class=\"nt\">&lt;version&gt;<\/span>0.0.1-SNAPSHOT<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n    <span class=\"nt\">&lt;name&gt;<\/span>sample<span class=\"nt\">&lt;\/name&gt;<\/span>\r\n    <span class=\"nt\">&lt;description&gt;<\/span>sample<span class=\"nt\">&lt;\/description&gt;<\/span>\r\n    <span class=\"nt\">&lt;properties&gt;<\/span>\r\n        <span class=\"nt\">&lt;java.version&gt;<\/span>1.8<span class=\"nt\">&lt;\/java.version&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/properties&gt;<\/span>\r\n    <span class=\"nt\">&lt;dependencies&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-web<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.mybatis.spring.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>mybatis-spring-boot-starter<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;version&gt;<\/span>2.2.0<span class=\"nt\">&lt;\/version&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-devtools<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;scope&gt;<\/span>runtime<span class=\"nt\">&lt;\/scope&gt;<\/span>\r\n            <span class=\"nt\">&lt;optional&gt;<\/span>true<span class=\"nt\">&lt;\/optional&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.projectlombok<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>lombok<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;optional&gt;<\/span>true<span class=\"nt\">&lt;\/optional&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-test<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;scope&gt;<\/span>test<span class=\"nt\">&lt;\/scope&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>mysql<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>mysql-connector-java<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;scope&gt;<\/span>runtime<span class=\"nt\">&lt;\/scope&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-starter-data-jdbc<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>com.h2database<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>h2<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;scope&gt;<\/span>runtime<span class=\"nt\">&lt;\/scope&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n        <span class=\"nt\">&lt;dependency&gt;<\/span>\r\n            <span class=\"nt\">&lt;groupId&gt;<\/span>org.projectlombok<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n            <span class=\"nt\">&lt;artifactId&gt;<\/span>lombok<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n            <span class=\"nt\">&lt;optional&gt;<\/span>true<span class=\"nt\">&lt;\/optional&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/dependency&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/dependencies&gt;<\/span>\r\n\r\n    <span class=\"nt\">&lt;build&gt;<\/span>\r\n        <span class=\"nt\">&lt;plugins&gt;<\/span>\r\n            <span class=\"nt\">&lt;plugin&gt;<\/span>\r\n                <span class=\"nt\">&lt;groupId&gt;<\/span>org.springframework.boot<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n                <span class=\"nt\">&lt;artifactId&gt;<\/span>spring-boot-maven-plugin<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n                <span class=\"nt\">&lt;configuration&gt;<\/span>\r\n                    <span class=\"nt\">&lt;excludes&gt;<\/span>\r\n                        <span class=\"nt\">&lt;exclude&gt;<\/span>\r\n                            <span class=\"nt\">&lt;groupId&gt;<\/span>org.projectlombok<span class=\"nt\">&lt;\/groupId&gt;<\/span>\r\n                            <span class=\"nt\">&lt;artifactId&gt;<\/span>lombok<span class=\"nt\">&lt;\/artifactId&gt;<\/span>\r\n                        <span class=\"nt\">&lt;\/exclude&gt;<\/span>\r\n                    <span class=\"nt\">&lt;\/excludes&gt;<\/span>\r\n                <span class=\"nt\">&lt;\/configuration&gt;<\/span>\r\n            <span class=\"nt\">&lt;\/plugin&gt;<\/span>\r\n        <span class=\"nt\">&lt;\/plugins&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/build&gt;<\/span>\r\n<span class=\"nt\">&lt;\/project&gt;<\/span>\r\n<\/code><\/pre>\n<h3>\u5e94\u7528\u7a0b\u5e8f\u5c5e\u6027<\/h3>\n<pre class=\"post-pre\"><code><span class=\"py\">mybatis.configuration.map-underscore-to-camel-case<\/span><span class=\"p\">=<\/span><span class=\"s\">true<\/span>\r\n<span class=\"py\">spring.datasource.url<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306eURL)<\/span>\r\n<span class=\"py\">spring.datasource.username<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306e\u30e6\u30fc\u30b6\u30fc\u540d)<\/span>\r\n<span class=\"py\">spring.datasource.password<\/span><span class=\"p\">=<\/span><span class=\"s\">(RDS\u306e\u30d1\u30b9\u30ef\u30fc\u30c9)<\/span>\r\n<\/code><\/pre>\n<h3>\u5e94\u7528\u7a0b\u5e8f\u7c7b<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">sample<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.SpringApplication<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.boot.autoconfigure.SpringBootApplication<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@SpringBootApplication<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SampleApplication<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">SpringApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">SampleApplication<\/span><span class=\"o\">.<\/span><span class=\"na\">class<\/span><span class=\"o\">,<\/span> <span class=\"n\">args<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u63a7\u5236\u5668\u7c7b<\/h3>\n<p>\u4e3a\u4e86\u8bd5\u7528\uff0c\u8bf7\u76f4\u63a5\u8c03\u7528Mapper\u7c7b\u800c\u4e0d\u5b9e\u73b0Service\u7c7b\u3002<br \/>\n\u4f7f\u7528\u56fa\u5b9a\u503c\u8fdb\u884c\u6ce8\u518c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">sample<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.beans.factory.annotation.Autowired<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.PostMapping<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.springframework.web.bind.annotation.RestController<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">lombok.RequiredArgsConstructor<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@RestController<\/span>\r\n<span class=\"nd\">@RequiredArgsConstructor<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">SampleController<\/span> <span class=\"o\">{<\/span>\r\n\r\n  <span class=\"c1\">\/\/ Mapper\u30af\u30e9\u30b9\u3092\u751f\u6210<\/span>\r\n  <span class=\"nd\">@Autowired<\/span>\r\n  <span class=\"kd\">private<\/span> <span class=\"kd\">final<\/span> <span class=\"nc\">SampleMapper<\/span> <span class=\"n\">sampleMapper<\/span><span class=\"o\">;<\/span>\r\n\r\n  <span class=\"nd\">@PostMapping<\/span><span class=\"o\">(<\/span><span class=\"n\">value<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"\/userId\"<\/span><span class=\"o\">,<\/span> <span class=\"n\">produces<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"application\/json\"<\/span><span class=\"o\">)<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">getUserId<\/span><span class=\"o\">()<\/span> <span class=\"o\">{<\/span>\r\n\r\n    <span class=\"kt\">int<\/span> <span class=\"n\">no<\/span> <span class=\"o\">=<\/span> <span class=\"mi\">1<\/span><span class=\"o\">;<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"nc\">UserId<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"1234567890\"<\/span><span class=\"o\">;<\/span>\r\n\r\n    <span class=\"c1\">\/\/ \u30e6\u30fc\u30b6\u30fc\u767b\u9332\uff1aMapper\u30af\u30e9\u30b9\u306einsert\u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3057\u3066SQL\u5b9f\u884c\u3002<\/span>\r\n    <span class=\"n\">sampleMapper<\/span><span class=\"o\">.<\/span><span class=\"na\">insertUserId<\/span><span class=\"o\">(<\/span><span class=\"n\">no<\/span><span class=\"o\">,<\/span> <span class=\"nc\">UserId<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u6620\u5c04\u5668\u7c7b q\u00ec<\/h3>\n<pre class=\"post-pre\"><code><span class=\"kn\">package<\/span> <span class=\"nn\">sample<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.ibatis.annotations.Mapper<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">org.apache.ibatis.annotations.Param<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"nd\">@Mapper<\/span>\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">interface<\/span> <span class=\"nc\">SampleMapper<\/span> <span class=\"o\">{<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">insertUserId<\/span><span class=\"o\">(<\/span><span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"no\"<\/span><span class=\"o\">)<\/span> <span class=\"kt\">int<\/span> <span class=\"n\">no<\/span><span class=\"o\">,<\/span> <span class=\"nd\">@Param<\/span><span class=\"o\">(<\/span><span class=\"s\">\"UserId\"<\/span><span class=\"o\">)<\/span> <span class=\"nc\">String<\/span> <span class=\"nc\">UserId<\/span><span class=\"o\">);<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h3>XML\u6587\u4ef6 (XML<\/h3>\n<pre class=\"post-pre\"><code><span class=\"cp\">&lt;?xml version=\"1.0\" encoding=\"UTF-8\"?&gt;<\/span>\r\n<span class=\"cp\">&lt;!DOCTYPE mapper PUBLIC \"-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN\"\r\n  \"http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd\"&gt;<\/span>\r\n<span class=\"nt\">&lt;mapper<\/span> <span class=\"na\">namespace =<\/span><span class=\"s\">\"sample.SampleMapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;insert<\/span> <span class=\"na\">id=<\/span><span class=\"s\">\"insertUserId\"<\/span><span class=\"nt\">&gt;<\/span>\r\n    INSERT INTO test (no, UserId) \r\n    VALUES (#{no}, #{UserId})\r\n  <span class=\"nt\">&lt;\/insert&gt;<\/span>\r\n<span class=\"nt\">&lt;\/mapper&gt;<\/span>\r\n<\/code><\/pre>\n<h1>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7f51\u7ad9<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">The MyBatis Blog\uff08\u516c\u5f0f\u30b5\u30a4\u30c8\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\">MyBatis \u2013 MyBatis 3 | \u30a4\u30f3\u30c8\u30ed\u30c0\u30af\u30b7\u30e7\u30f3<\/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\">mybatis-spring<\/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\">\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af \/ MyBatis\u3068\u306f<\/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\">6.2. \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30a2\u30af\u30bb\u30b9\uff08MyBatis3\u7de8\uff09 \u2014 TERASOLUNA Server Framework for Java<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u7d76\u5bfe\u5206\u304b\u308bMyBatis\uff01MyBatis\u3067\u899a\u3048\u308b\u3079\u304d\u30c1\u30a7\u30c3\u30af\u30eb\u30fc\u30eb25\uff08\u524d\u534a\uff09 &#8211; Qiita<\/ul>\n<div>DB\u8fde\u63a5\u5904\u7406\u3001SQL\u8bed\u53e5\u7684\u6784\u5efa\u3001\u5bf9\u8c61\u4e0e\u6570\u636e\u5e93\u6570\u636e\u4e4b\u95f4\u7684\u6570\u636e\u8f6c\u6362\u7b49\u3002<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u5173\u4e8e\u4f7f\u7528SpringBoot\u3001Maven\u548cMySQL\u4ee5\u53caMyBatis\u7684\u8bb0\u5f55\u3002 MyBatis \u662f\u4ec0\u4e48?  [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-40201","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>\u3010\u8bb0\u5f55\u3011MyBatis - 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\/\u3010\u8bb0\u5f55\u3011mybatis\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u3010\u8bb0\u5f55\u3011MyBatis\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u662f\u5173\u4e8e\u4f7f\u7528SpringBoot\u3001Maven\u548cMySQL\u4ee5\u53caMyBatis\u7684\u8bb0\u5f55\u3002 MyBatis \u662f\u4ec0\u4e48? 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