{"id":34692,"date":"2023-03-18T13:47:21","date_gmt":"2023-02-01T13:13:17","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/"},"modified":"2024-04-29T19:27:42","modified_gmt":"2024-04-29T11:27:42","slug":"gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/","title":{"rendered":"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09"},"content":{"rendered":"<h1>\u9898\u76ee<\/h1>\n<p>\u5728\u4e0a\u6b21\uff0c\u6211\u4eec\u63d0\u5230\u4e86\u4f7f\u7528Maven\u81ea\u52a8\u751f\u6210\u7684Java 8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002<br \/>\n\u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u6839\u636e\u6d4b\u8bd5\u4f18\u5148\u7684\u539f\u5219\u6765\u6dfb\u52a0Datastore\u8bbf\u95ee\u903b\u8f91\u3002<\/p>\n<h1>GAE\u5b9e\u9a8c\u7d22\u5f15<\/h1>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">GAE\/Java8\u8a66\u884c\uff08\u305d\u306e0\uff1a\u300cApp Engine\u306b\u3064\u3044\u3066\u300d\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\">GAE\/Java8\u8a66\u884c\uff08\u305d\u306e1\uff1a\u300cJava8\u3067Web\u30a2\u30d7\u30ea\u4f5c\u3063\u3066\u30c7\u30d7\u30ed\u30a4\u300d\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\">GAE\/Java8\u8a66\u884c\uff08\u305d\u306e2\uff1a\u300cJava\u30a2\u30d7\u30ea\u89e3\u8aac\u300d\uff09<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">GAE\/Java8\u8a66\u884c\uff08\u305d\u306e3\uff1a\u300cJava\u30a2\u30d7\u30ea\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u89e3\u8aac\u300d\uff09<\/ul>\n<h1>\u5f00\u53d1\u73af\u5883<\/h1>\n<h3>\u64cd\u4f5c\u7cfb\u7edf<\/h3>\n<pre class=\"post-pre\"><code>$ cat \/etc\/os-release \r\nNAME=\"Ubuntu\"\r\nVERSION=\"17.10 (Artful Aardvark)\"\r\n<\/code><\/pre>\n<h3># Java &#8211; Java\u8bed\u8a00<\/h3>\n<pre class=\"post-pre\"><code>$ java -version\r\njava version \"1.8.0_181\"\r\nJava(TM) SE Runtime Environment (build 1.8.0_181-b13)\r\nJava HotSpot(TM) 64-Bit Server VM (build 25.181-b13, mixed mode)\r\n<\/code><\/pre>\n<h3>\u53ef\u4ee5\u8bf4IDE\u662f\u4e00\u4e2a\u96c6\u6210\u5f00\u53d1\u73af\u5883\uff0c\u7528\u4e8e\u7f16\u5199\u3001\u8c03\u8bd5\u548c\u8fd0\u884c\u8f6f\u4ef6\u5e94\u7528\u7a0b\u5e8f\u7684\u5de5\u5177\u3002<\/h3>\n<p>\u5927\u5bb6\u90fd\u559c\u6b22 IntelliJ IDEA\u3002<\/p>\n<h1>\u8bf7\u4ee5\u4e2d\u6587\u4e3a\u6bcd\u8bed\u5c06\u4ee5\u4e0b\u5185\u5bb9\u6539\u5199\u4e3a\u540c\u4e49\u53e5\uff0c\u53ea\u9700\u63d0\u4f9b\u4e00\u4e2a\u9009\u9879\uff1a<\/h1>\n<p>\u53c2\u7167<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3068 Memcache \u306e\u30c6\u30b9\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/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\">Cloud Datastore \u306e\u6982\u8981<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3 \u30d7\u30ed\u30d1\u30c6\u30a3 \u30ea\u30d5\u30a1\u30ec\u30f3\u30b9<\/ul>\n<h1>\u5b9e\u8df5<\/h1>\n<h2>\u25a0 \u8bbe\u8ba1 (sh\u00e8 j\u00ec)<\/h2>\n<p>\u3053\u308c\u304b\u3089\u5b9f\u88c5\u3059\u308b\u6a5f\u80fd\u306e\u4ed5\u69d8\u3092\u6c7a\u3081\u308b\u3002<br \/>\n\u30c6\u30fc\u30de\u306f\u3001GCP\u306e\u30c1\u30e5\u30fc\u30c8\u30ea\u30a2\u30eb\u3067\u3082\u3088\u304f\u3042\u308b\u300c\u66f8\u7c4d\u30ea\u30b9\u30c8\u306e\u7ba1\u7406\u300d\u30b7\u30b9\u30c6\u30e0\u3068\u3059\u308b\u3002<br \/>\n\u4eca\u56deDatastore\u3078\u306e\u30a2\u30af\u30bb\u30b9\u30ed\u30b8\u30c3\u30af\u3092\u8a66\u3059\u6a5f\u80fd\u3068\u3057\u3066\u306f\u3001<br \/>\n\u300c\u66f8\u7c4d\u540d\u300d\u3092POST\u3057\u305f\u3089Datastore\u306b\u767b\u9332\u3055\u308c\u308b\u3082\u306e\u3068\u3059\u308b\u3002<\/p>\n<h2>\u25a0\u6d4b\u8bd5\u4ee3\u7801<\/h2>\n<p>\u4ed5\u69d8\u306b\u5408\u308f\u305b\u3066\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306a\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u3044\u3066\u307f\u308b\u3002<br \/>\n\u30e2\u30c3\u30af\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u64cd\u4f5c\u3057\u3001\u300c\u66f8\u7c4d\u540d\u300d\u304c\u30ea\u30af\u30a8\u30b9\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u304b\u3089\u53d6\u5f97\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<br \/>\n\u305d\u3057\u3066\u3001 doPost(~~) \u5b9f\u884c\u3067\u4e0a\u8a18\u306e\u300c\u66f8\u7c4d\u540d\u300d\u304c book \u30ab\u30a4\u30f3\u30c9\u306b\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u3053\u3068\u3092\u691c\u8a3c\u3059\u308b\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"nd\">@Test<\/span>\r\n  <span class=\"kd\">public<\/span> <span class=\"kt\">void<\/span> <span class=\"n\">\u66f8\u7c4d\u540d\u3092POST\u3059\u308b\u3068Datastore\u306b\u767b\u9332\u3055\u308c\u308b<\/span><span class=\"o\">()<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">EntityNotFoundException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">ServletException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"cm\">\/*\r\n     * SetUp\r\n     *\/<\/span>\r\n    <span class=\"nc\">Map<\/span><span class=\"o\">&lt;<\/span><span class=\"nc\">String<\/span><span class=\"o\">,<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[]&gt;<\/span> <span class=\"n\">parameterMap<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">HashMap<\/span><span class=\"o\">&lt;&gt;();<\/span>\r\n    <span class=\"n\">parameterMap<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"s\">\"bookName\"<\/span><span class=\"o\">,<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">String<\/span><span class=\"o\">[]{<\/span><span class=\"s\">\"\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\"<\/span><span class=\"o\">});<\/span>\r\n    <span class=\"n\">when<\/span><span class=\"o\">(<\/span><span class=\"n\">mockRequest<\/span><span class=\"o\">.<\/span><span class=\"na\">getParameterMap<\/span><span class=\"o\">()).<\/span><span class=\"na\">thenReturn<\/span><span class=\"o\">(<\/span><span class=\"n\">parameterMap<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"cm\">\/*\r\n     * Execute\r\n     *\/<\/span>\r\n    <span class=\"n\">servletUnderTest<\/span><span class=\"o\">.<\/span><span class=\"na\">doPost<\/span><span class=\"o\">(<\/span><span class=\"n\">mockRequest<\/span><span class=\"o\">,<\/span> <span class=\"n\">mockResponse<\/span><span class=\"o\">);<\/span>\r\n\r\n    <span class=\"cm\">\/*\r\n     * Assert\r\n     *\/<\/span>\r\n    <span class=\"nc\">DatastoreService<\/span> <span class=\"n\">ds<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DatastoreServiceFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatastoreService<\/span><span class=\"o\">();<\/span>\r\n    <span class=\"nc\">Entity<\/span> <span class=\"n\">e<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ds<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">(<\/span><span class=\"nc\">KeyFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">createKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"book\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span><span class=\"o\">));<\/span>\r\n    <span class=\"nc\">String<\/span> <span class=\"n\">microService<\/span> <span class=\"o\">=<\/span> <span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">)<\/span><span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">getProperty<\/span><span class=\"o\">(<\/span><span class=\"s\">\"bookName\"<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"n\">assertThat<\/span><span class=\"o\">(<\/span><span class=\"n\">microService<\/span><span class=\"o\">).<\/span><span class=\"na\">isEqualTo<\/span><span class=\"o\">(<\/span><span class=\"s\">\"\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\"<\/span><span class=\"o\">);<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u3061\u306a\u307f\u306b\u3001\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u306a\u306e\u3067 doPost(~~) \u306e\u306a\u3044\u72b6\u614b\u3067\u306f\u4e0a\u8a18\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3002<br \/>\n\u305d\u306e\u5f8c\u3001 doPost(~~) \u306e\u5b9a\u7fa9\u3060\u3051\u66f8\u3044\u3066\u3001\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u5b9f\u884c\u3059\u308b\u3068\u3001\u4e0b\u8a18\u306e\u3088\u3046\u306b\u306a\u308b\u3002<br \/>\n\u30ea\u30af\u30a8\u30b9\u30c8\u30d1\u30e9\u30e1\u30fc\u30bf\u3068\u3057\u3066\u6e21\u3057\u305f\u300c\u66f8\u7c4d\u540d\u300d\u3092Datastore\u306b\u767b\u9332\u3059\u308b\u30ed\u30b8\u30c3\u30af\u306f\u672a\u5b9f\u88c5\u306a\u306e\u3067\u3001\u5f53\u7136\u306e\u7d50\u679c\u3002<br \/>\n\u30c6\u30b9\u30c8\u30d5\u30a1\u30fc\u30b9\u30c8\u3067\u306f\u3001\u307e\u305a\u3001\u4ed5\u69d8\u3092\u6c7a\u3081\u3066\u3001\u305d\u308c\u3092\u78ba\u8a8d\u3059\u308b\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3002<br \/>\n\uff08\u305d\u306e\u6642\u70b9\u3067\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u3082\u901a\u3089\u306a\u3044\u304c\u3001\u305d\u3053\u304b\u3089\u59cb\u3081\u308b\u3053\u3068\u304c\u91cd\u8981\uff09<br \/>\n\u6700\u521d\u306b\u30c6\u30b9\u30c8\u306b\u5931\u6557\u3055\u305b\u308b\u3002<br \/>\n\u5931\u6557\u3059\u308b\u3053\u3068\u304c\u308f\u304b\u3063\u3066\u3044\u308b\u306e\u306b\u3001\u3042\u3048\u3066\u5931\u6557\u3055\u305b\u308b\u3002\u30ed\u30b8\u30c3\u30af\u5b9f\u88c5\u524d\u306a\u306e\u3067\u3001\u30c6\u30b9\u30c8\u5b9f\u884c\u7d50\u679c\u304cNG\u3068\u306a\u308b\u3002<br \/>\n\u3053\u308c\u3092\u6700\u521d\u306b\u78ba\u8a8d\u3059\u308b\u3053\u3068\u3067\u3001\u30ed\u30b8\u30c3\u30af\u5b9f\u88c5\u5f8c\u306b\u30c6\u30b9\u30c8\u5b9f\u884c\u7d50\u679c\u304cOK\u3068\u306a\u308b\u3053\u3068\u306b\u610f\u5473\u304c\u51fa\u308b\u3002<br \/>\n\uff08\u6700\u521d\u306b\u5931\u6557\u3059\u308b\u3053\u3068\u3092\u78ba\u8a8d\u3057\u306a\u3044\u3068\u3001\u6b63\u3057\u3044\u691c\u8a3c\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u3066\u3044\u306a\u304f\u3066\u3001\u305d\u3082\u305d\u3082\u6700\u521d\u304b\u3089\u30c6\u30b9\u30c8\u5b9f\u884c\u7d50\u679c\u304cOK\u3060\u3063\u305f\u304b\u3082\u3057\u308c\u305a\u3001\u6b63\u3057\u304f\u5b9f\u88c5\u3067\u304d\u3066\u3044\u308b\u3053\u3068\u3092\u30c6\u30b9\u30c8\u3067\u304d\u3066\u3044\u306a\u3044\u30c6\u30b9\u30c8\u30b3\u30fc\u30c9\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\uff09<\/p>\n<pre class=\"post-pre\"><code>\r\n<span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">EntityNotFoundException<\/span><span class=\"o\">:<\/span> <span class=\"nc\">No<\/span> <span class=\"n\">entity<\/span> <span class=\"n\">was<\/span> <span class=\"n\">found<\/span> <span class=\"n\">matching<\/span> <span class=\"n\">the<\/span> <span class=\"nl\">key:<\/span> <span class=\"n\">book<\/span><span class=\"o\">(<\/span><span class=\"s\">\"micro\"<\/span><span class=\"o\">)<\/span>\r\n\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">BaseAsyncDatastoreServiceImpl<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">.<\/span><span class=\"na\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nc\">BaseAsyncDatastoreServiceImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">174<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">BaseAsyncDatastoreServiceImpl<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">.<\/span><span class=\"na\">wrap<\/span><span class=\"o\">(<\/span><span class=\"nc\">BaseAsyncDatastoreServiceImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">169<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">utils<\/span><span class=\"o\">.<\/span><span class=\"na\">FutureWrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">wrapAndCache<\/span><span class=\"o\">(<\/span><span class=\"nc\">FutureWrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">56<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">utils<\/span><span class=\"o\">.<\/span><span class=\"na\">FutureWrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">(<\/span><span class=\"nc\">FutureWrapper<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">93<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">FutureHelper<\/span><span class=\"o\">.<\/span><span class=\"na\">getInternal<\/span><span class=\"o\">(<\/span><span class=\"nc\">FutureHelper<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">76<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">FutureHelper<\/span><span class=\"o\">.<\/span><span class=\"na\">quietGet<\/span><span class=\"o\">(<\/span><span class=\"nc\">FutureHelper<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">63<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">DatastoreServiceImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">get<\/span><span class=\"o\">(<\/span><span class=\"nc\">DatastoreServiceImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">41<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">example<\/span><span class=\"o\">.<\/span><span class=\"na\">sky0621<\/span><span class=\"o\">.<\/span><span class=\"na\">HelloAppEngineTest<\/span><span class=\"o\">.<\/span><span class=\"na\">\u66f8\u7c4d\u540d\u3092POST\u3059\u308b\u3068Datastore\u306b\u767b\u9332\u3055\u308c\u308b<\/span><span class=\"o\">(<\/span><span class=\"nc\">HelloAppEngineTest<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">100<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">sun<\/span><span class=\"o\">.<\/span><span class=\"na\">reflect<\/span><span class=\"o\">.<\/span><span class=\"na\">NativeMethodAccessorImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">invoke0<\/span><span class=\"o\">(<\/span><span class=\"nc\">Native<\/span> <span class=\"nc\">Method<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">sun<\/span><span class=\"o\">.<\/span><span class=\"na\">reflect<\/span><span class=\"o\">.<\/span><span class=\"na\">NativeMethodAccessorImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">invoke<\/span><span class=\"o\">(<\/span><span class=\"nc\">NativeMethodAccessorImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">62<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">sun<\/span><span class=\"o\">.<\/span><span class=\"na\">reflect<\/span><span class=\"o\">.<\/span><span class=\"na\">DelegatingMethodAccessorImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">invoke<\/span><span class=\"o\">(<\/span><span class=\"nc\">DelegatingMethodAccessorImpl<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">43<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">java<\/span><span class=\"o\">.<\/span><span class=\"na\">lang<\/span><span class=\"o\">.<\/span><span class=\"na\">reflect<\/span><span class=\"o\">.<\/span><span class=\"na\">Method<\/span><span class=\"o\">.<\/span><span class=\"na\">invoke<\/span><span class=\"o\">(<\/span><span class=\"nc\">Method<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">498<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">model<\/span><span class=\"o\">.<\/span><span class=\"na\">FrameworkMethod<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">.<\/span><span class=\"na\">runReflectiveCall<\/span><span class=\"o\">(<\/span><span class=\"nc\">FrameworkMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">50<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">internal<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">model<\/span><span class=\"o\">.<\/span><span class=\"na\">ReflectiveCallable<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">ReflectiveCallable<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">12<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">model<\/span><span class=\"o\">.<\/span><span class=\"na\">FrameworkMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">invokeExplosively<\/span><span class=\"o\">(<\/span><span class=\"nc\">FrameworkMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">47<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">internal<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">statements<\/span><span class=\"o\">.<\/span><span class=\"na\">InvokeMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">evaluate<\/span><span class=\"o\">(<\/span><span class=\"nc\">InvokeMethod<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">17<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">internal<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">statements<\/span><span class=\"o\">.<\/span><span class=\"na\">RunBefores<\/span><span class=\"o\">.<\/span><span class=\"na\">evaluate<\/span><span class=\"o\">(<\/span><span class=\"nc\">RunBefores<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">26<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">internal<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">statements<\/span><span class=\"o\">.<\/span><span class=\"na\">RunAfters<\/span><span class=\"o\">.<\/span><span class=\"na\">evaluate<\/span><span class=\"o\">(<\/span><span class=\"nc\">RunAfters<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">27<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">runLeaf<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">325<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">BlockJUnit4ClassRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">runChild<\/span><span class=\"o\">(<\/span><span class=\"nc\">BlockJUnit4ClassRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">78<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">BlockJUnit4ClassRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">runChild<\/span><span class=\"o\">(<\/span><span class=\"nc\">BlockJUnit4ClassRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">57<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"err\">$<\/span><span class=\"mi\">3<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">290<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"err\">$<\/span><span class=\"mi\">1<\/span><span class=\"o\">.<\/span><span class=\"na\">schedule<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">71<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">runChildren<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">288<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">access<\/span><span class=\"err\">$<\/span><span class=\"mo\">000<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">58<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"err\">$<\/span><span class=\"mi\">2<\/span><span class=\"o\">.<\/span><span class=\"na\">evaluate<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">268<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runners<\/span><span class=\"o\">.<\/span><span class=\"na\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">ParentRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">363<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">org<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">runner<\/span><span class=\"o\">.<\/span><span class=\"na\">JUnitCore<\/span><span class=\"o\">.<\/span><span class=\"na\">run<\/span><span class=\"o\">(<\/span><span class=\"nc\">JUnitCore<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">137<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">intellij<\/span><span class=\"o\">.<\/span><span class=\"na\">junit4<\/span><span class=\"o\">.<\/span><span class=\"na\">JUnit4IdeaTestRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">startRunnerWithArgs<\/span><span class=\"o\">(<\/span><span class=\"nc\">JUnit4IdeaTestRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">68<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">intellij<\/span><span class=\"o\">.<\/span><span class=\"na\">rt<\/span><span class=\"o\">.<\/span><span class=\"na\">execution<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">IdeaTestRunner<\/span><span class=\"n\">$Repeater<\/span><span class=\"o\">.<\/span><span class=\"na\">startRunnerWithArgs<\/span><span class=\"o\">(<\/span><span class=\"nc\">IdeaTestRunner<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">47<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">intellij<\/span><span class=\"o\">.<\/span><span class=\"na\">rt<\/span><span class=\"o\">.<\/span><span class=\"na\">execution<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">JUnitStarter<\/span><span class=\"o\">.<\/span><span class=\"na\">prepareStreamsAndStart<\/span><span class=\"o\">(<\/span><span class=\"nc\">JUnitStarter<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">242<\/span><span class=\"o\">)<\/span>\r\n    <span class=\"n\">at<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">intellij<\/span><span class=\"o\">.<\/span><span class=\"na\">rt<\/span><span class=\"o\">.<\/span><span class=\"na\">execution<\/span><span class=\"o\">.<\/span><span class=\"na\">junit<\/span><span class=\"o\">.<\/span><span class=\"na\">JUnitStarter<\/span><span class=\"o\">.<\/span><span class=\"na\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">JUnitStarter<\/span><span class=\"o\">.<\/span><span class=\"na\">java<\/span><span class=\"o\">:<\/span><span class=\"mi\">70<\/span><span class=\"o\">)<\/span>\r\n\r\n<span class=\"mi\">10<\/span> <span class=\"mi\">23<\/span><span class=\"o\">,<\/span> <span class=\"mi\">2018<\/span> <span class=\"mi\">12<\/span><span class=\"o\">:<\/span><span class=\"mi\">21<\/span><span class=\"o\">:<\/span><span class=\"mi\">13<\/span> <span class=\"n\">\u5348\u524d<\/span> <span class=\"n\">com<\/span><span class=\"o\">.<\/span><span class=\"na\">google<\/span><span class=\"o\">.<\/span><span class=\"na\">appengine<\/span><span class=\"o\">.<\/span><span class=\"na\">api<\/span><span class=\"o\">.<\/span><span class=\"na\">datastore<\/span><span class=\"o\">.<\/span><span class=\"na\">dev<\/span><span class=\"o\">.<\/span><span class=\"na\">LocalDatastoreService<\/span> <span class=\"n\">cleanupActiveServices<\/span>\r\n<span class=\"nl\">\u60c5\u5831:<\/span> <span class=\"n\">scheduler<\/span> <span class=\"n\">shutting<\/span> <span class=\"n\">down<\/span><span class=\"o\">.<\/span>\r\n<span class=\"nc\">Disconnected<\/span> <span class=\"n\">from<\/span> <span class=\"n\">the<\/span> <span class=\"n\">target<\/span> <span class=\"no\">VM<\/span><span class=\"o\">,<\/span> <span class=\"nl\">address:<\/span> <span class=\"err\">'<\/span><span class=\"mf\">127.0<\/span><span class=\"o\">.<\/span><span class=\"mf\">0.1<\/span><span class=\"o\">:<\/span><span class=\"mi\">37713<\/span><span class=\"err\">'<\/span><span class=\"o\">,<\/span> <span class=\"nl\">transport:<\/span> <span class=\"err\">'<\/span><span class=\"n\">socket<\/span><span class=\"err\">'<\/span>\r\n\r\n<span class=\"nc\">Process<\/span> <span class=\"n\">finished<\/span> <span class=\"n\">with<\/span> <span class=\"n\">exit<\/span> <span class=\"n\">code<\/span> <span class=\"mi\">255<\/span>\r\n<\/code><\/pre>\n<p>\u65e2\u7136\u6d4b\u8bd5\u5982\u9884\u671f\u822c\u5931\u8d25\uff0c\u63a5\u4e0b\u6765\u5c31\u5f00\u59cb\u5b9e\u65bdDatastore\u6ce8\u518c\u903b\u8f91\u3002<\/p>\n<h2>\u25a0\u5b9e\u65bd<\/h2>\n<p>\u5927\u6982\u5c31\u662f\u8fd9\u6837\u3002<br \/>\n\u8fd9\u6bb5\u4ee3\u7801\u867d\u7136\u8fd8\u4e0d\u80fd\u7528\u4e8e\u4ea7\u54c1\u7ea7\u522b\uff0c\u4f46\u6682\u65f6\u4ec5\u4ec5\u4f7f\u7528\u8fd9\u6bb5\u4ee3\u7801\u5c31\u80fd\u4ece\u8bf7\u6c42\u53c2\u6570\u4e2d\u6355\u83b7&#8221;\u4e66\u540d&#8221;\u5e76\u5c06\u5176\u6ce8\u518c\u5230Datastore\u4e2d\u3002<\/p>\n<pre class=\"post-pre\"><code>\r\n  <span class=\"nd\">@Override<\/span>\r\n  <span class=\"kd\">protected<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">doPost<\/span><span class=\"o\">(<\/span><span class=\"nc\">HttpServletRequest<\/span> <span class=\"n\">req<\/span><span class=\"o\">,<\/span> <span class=\"nc\">HttpServletResponse<\/span> <span class=\"n\">resp<\/span><span class=\"o\">)<\/span> <span class=\"kd\">throws<\/span> <span class=\"nc\">ServletException<\/span><span class=\"o\">,<\/span> <span class=\"nc\">IOException<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"nc\">DatastoreService<\/span> <span class=\"n\">ds<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DatastoreServiceFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">getDatastoreService<\/span><span class=\"o\">();<\/span>\r\n\r\n    <span class=\"n\">req<\/span><span class=\"o\">.<\/span><span class=\"na\">getParameterMap<\/span><span class=\"o\">().<\/span><span class=\"na\">forEach<\/span><span class=\"o\">((<\/span><span class=\"n\">k<\/span><span class=\"o\">,<\/span> <span class=\"n\">v<\/span><span class=\"o\">)<\/span> <span class=\"o\">-&gt;<\/span> <span class=\"o\">{<\/span>\r\n      <span class=\"nc\">Key<\/span> <span class=\"n\">key<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">KeyFactory<\/span><span class=\"o\">.<\/span><span class=\"na\">createKey<\/span><span class=\"o\">(<\/span><span class=\"s\">\"book\"<\/span><span class=\"o\">,<\/span> <span class=\"mi\">1<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"nc\">Entity<\/span> <span class=\"n\">e<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nc\">Entity<\/span><span class=\"o\">(<\/span><span class=\"n\">key<\/span><span class=\"o\">);<\/span>\r\n      <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">setProperty<\/span><span class=\"o\">(<\/span><span class=\"s\">\"bookName\"<\/span><span class=\"o\">,<\/span> <span class=\"nc\">Arrays<\/span><span class=\"o\">.<\/span><span class=\"na\">stream<\/span><span class=\"o\">(<\/span><span class=\"n\">v<\/span><span class=\"o\">).<\/span><span class=\"na\">collect<\/span><span class=\"o\">(<\/span><span class=\"nc\">Collectors<\/span><span class=\"o\">.<\/span><span class=\"na\">joining<\/span><span class=\"o\">()));<\/span>\r\n      <span class=\"n\">ds<\/span><span class=\"o\">.<\/span><span class=\"na\">put<\/span><span class=\"o\">(<\/span><span class=\"n\">e<\/span><span class=\"o\">);<\/span>\r\n    <span class=\"o\">});<\/span>\r\n  <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8fdb\u884c\u4e86\u8fd9\u4e2a\u5b9e\u73b0\u4e4b\u540e\uff0c\u518d\u6b21\u8fd0\u884c\u4e4b\u524d\u7684\u6d4b\u8bd5\u4ee3\u7801\uff0c\u8fd9\u4e00\u6b21\u6d4b\u8bd5\u7ed3\u679c\u4f1a\u53d8\u4e3a\u901a\u8fc7\u3002<\/p>\n<h1>\u603b\u7ed3<\/h1>\n<p>\u5982\u679c\u4ee5\u6d4b\u8bd5\u4e3a\u5148\u7684\u65b9\u5f0f\u8fdb\u884c\uff0c\u5373\u4f7f\u53ea\u662f\u5b9e\u73b0\u4e00\u4e9b\u7b80\u5355\u7684\u529f\u80fd\uff0c\u4e5f\u4f1a\u82b1\u8d39\u76f8\u5f53\u957f\u7684\u65f6\u95f4\u3002<br \/>\n\u7136\u800c\uff0c\u5728&#8221;\u76f8\u5f53\u957f\u7684\u65f6\u95f4&#8221;\u91cc\uff0c\u5305\u62ec\u4e86\u89c4\u683c\u7684\u8003\u8651\u3001\u5b9e\u73b0\u3001\u5355\u5143\u6d4b\u8bd5\u3001\u91cd\u6784\u3001\u51cf\u5c11\u8fd4\u5de5\u6210\u672c\u7b49\u7b49\uff0c\u6240\u4ee5\u4ece\u6210\u672c\u6548\u76ca\u7684\u89d2\u5ea6\u6765\u8bf4\uff0c\u5b9e\u5219\u662f\u975e\u5e38\u4e0d\u9519\u7684\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9898\u76ee \u5728\u4e0a\u6b21\uff0c\u6211\u4eec\u63d0\u5230\u4e86\u4f7f\u7528Maven\u81ea\u52a8\u751f\u6210\u7684Java 8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002 \u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u6839\u636e\u6d4b\u8bd5\u4f18 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34692","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>GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09 - 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\/gae-java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eedatastore\u7684\u903b\u8f91\uff09\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09\" \/>\n<meta property=\"og:description\" content=\"\u9898\u76ee \u5728\u4e0a\u6b21\uff0c\u6211\u4eec\u63d0\u5230\u4e86\u4f7f\u7528Maven\u81ea\u52a8\u751f\u6210\u7684Java 8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002 \u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u6839\u636e\u6d4b\u8bd5\u4f18 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eedatastore\u7684\u903b\u8f91\uff09\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-01T13:13:17+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T11:27:42+00:00\" \/>\n<meta name=\"author\" content=\"\u96c5, \u609f\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u96c5, \u609f\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/\",\"name\":\"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09 - Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-02-01T13:13:17+00:00\",\"dateModified\":\"2024-04-29T11:27:42+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - Silicon Cloud\",\"description\":\"\",\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6\",\"name\":\"\u96c5, \u609f\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g\",\"caption\":\"\u96c5, \u609f\"},\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/\"},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#local-main-organization-logo\",\"url\":\"\",\"contentUrl\":\"\",\"caption\":\"Blog - Silicon Cloud\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09 - Blog - Silicon Cloud","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eedatastore\u7684\u903b\u8f91\uff09\/","og_locale":"zh_CN","og_type":"article","og_title":"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09","og_description":"\u9898\u76ee \u5728\u4e0a\u6b21\uff0c\u6211\u4eec\u63d0\u5230\u4e86\u4f7f\u7528Maven\u81ea\u52a8\u751f\u6210\u7684Java 8\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6d4b\u8bd5\u4ee3\u7801\u3002 \u8fd9\u6b21\uff0c\u6211\u4eec\u5c06\u5c1d\u8bd5\u6839\u636e\u6d4b\u8bd5\u4f18 [&hellip;]","og_url":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eedatastore\u7684\u903b\u8f91\uff09\/","og_site_name":"Blog - Silicon Cloud","article_published_time":"2023-02-01T13:13:17+00:00","article_modified_time":"2024-04-29T11:27:42+00:00","author":"\u96c5, \u609f","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"\u96c5, \u609f","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"3 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/","url":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/","name":"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09 - Blog - Silicon Cloud","isPartOf":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website"},"datePublished":"2023-02-01T13:13:17+00:00","dateModified":"2024-04-29T11:27:42+00:00","author":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6"},"breadcrumb":{"@id":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"\u9996\u9875","item":"https:\/\/www.silicloud.com\/zh\/blog\/"},{"@type":"ListItem","position":2,"name":"GAE\/Java8\u8bd5\u9a8c\uff08\u7b2c4\u90e8\u5206\uff1a\u8bbf\u95eeDatastore\u7684\u903b\u8f91\uff09"}]},{"@type":"WebSite","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#website","url":"https:\/\/www.silicloud.com\/zh\/blog\/","name":"Blog - Silicon Cloud","description":"","inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/f044a4b7fa4ee2701702942002419ca6","name":"\u96c5, \u609f","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/e71a913e914f1aad1efc391f92084294bac54bc782acd289638580134cf667a6?s=96&d=mm&r=g","caption":"\u96c5, \u609f"},"url":"https:\/\/www.silicloud.com\/zh\/blog\/author\/yawu\/"},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/www.silicloud.com\/zh\/blog\/gae-java8%e8%af%95%e9%aa%8c%ef%bc%88%e7%ac%ac4%e9%83%a8%e5%88%86%ef%bc%9a%e8%ae%bf%e9%97%aedatastore%e7%9a%84%e9%80%bb%e8%be%91%ef%bc%89\/#local-main-organization-logo","url":"","contentUrl":"","caption":"Blog - Silicon Cloud"}]}},"_links":{"self":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34692","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/comments?post=34692"}],"version-history":[{"count":2,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34692\/revisions"}],"predecessor-version":[{"id":87188,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/posts\/34692\/revisions\/87188"}],"wp:attachment":[{"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/media?parent=34692"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/categories?post=34692"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.silicloud.com\/zh\/blog\/wp-json\/wp\/v2\/tags?post=34692"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}