{"id":5830,"date":"2026-08-13T14:20:44","date_gmt":"2026-08-13T06:20:44","guid":{"rendered":"https:\/\/www.xttblog.com\/?p=5830"},"modified":"2026-08-13T14:20:44","modified_gmt":"2026-08-13T06:20:44","slug":"%e5%86%8d%e8%a7%81-fastjson%ef%bc%8cjava-%e5%8e%9f%e7%94%9f-json-api-%e6%9d%a5%e4%ba%86","status":"publish","type":"post","link":"https:\/\/www.xttblog.com\/?p=5830","title":{"rendered":"\u518d\u89c1 Fastjson\uff0cJava \u539f\u751f JSON API \u6765\u4e86"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">30 \u5e74\u4e86\uff0cJava \u7ec8\u4e8e\u539f\u751f\u652f\u6301 JSON API \u4e86\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56de\u60f3\u4e00\u4e2a\u591a\u661f\u671f\u524d\uff0c\u6211\u5199\u7684 Fastjson \u90a3\u7bc7\u6587\u7ae0\u5f15\u8d77\u4e86\u5f88\u591a\u4eba\u8ba8\u8bba\uff0c\u5176\u4e2d\u6709\u4e0d\u5c11\u4eba\u63d0\u5230\u4e86 Java \u8fde\u539f\u751f\u7684 JSON API \u90fd\u6ca1\u6709\uff0c\u800c Python \u548c Go\uff0c\u5728\u5904\u7406 JSON \u65f6\uff0c\u4ece\u4e0d\u9700\u8981\u5f15\u5165\u5916\u5305\u4f9d\u8d56\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u5176\u4e2d\u7684\u539f\u56e0\u53ef\u80fd\u6709\u5f88\u591a\uff0c\u6211\u63a8\u6d4b\u51fa\u7684\u4e00\u4e2a\u539f\u56e0\u53ef\u80fd\u662f\uff0cJava \u51fa\u751f\u65f6 JSON \u5e76\u4e0d\u6d41\u884c\uff0c\u540e\u6765 JSON \u6d41\u884c\u4e86\u4e5f\u662f\u793e\u533a\u5728\u63a8\u52a8\uff0c\u4f46\u8fd9\u662f\u793e\u533a\u91cc\u5df2\u7ecf\u6709\u6bd4\u8f83\u4f18\u79c0\u7684\u7c7b\u5e93\u4e86\uff0c\u4ee5\u81f3\u4e8e Java \u5b98\u65b9\u5e76\u4e0d\u7740\u6025\u7740\u63a8\u51fa\u539f\u751f\u7684 JSON API\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u968f\u7740\u65f6\u95f4\u7684\u63a8\u8fdb\uff0c\u73b0\u5728 Java \u7ec8\u4e8e\u8981\u6709\u5185\u7f6e JSON API \u4e86\u3002\u8fd9\u53ef\u662f\u65f6\u9694\u5341\u4e8c\u5e74\uff0cJava \u5e73\u53f0\u518d\u6b21\u5411\u5185\u7f6e JSON \u652f\u6301\u8fc8\u51fa\u5173\u952e\u4e00\u6b65\u3002JEP 540\uff08Simple JSON API\uff09\u5df2\u4ece\u8349\u6848\u5347\u683c\u4e3a Candidate \u72b6\u6001\uff0c\u6709\u671b\u5728 JDK 28 \u4e2d\u4ee5\u5b75\u5316\u5668\u6a21\u5757\u5f62\u5f0f\u843d\u5730\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u770b Java \u652f\u6301\u539f\u751f JSON API \u7684\u524d\u56e0\u540e\u679c\uff0c\u4ee5\u53ca\u5168\u9762\u4e86\u89e3\u8fd9\u4e2a API \u7684\u8bbe\u8ba1\u54f2\u5b66\u3001\u6838\u5fc3\u80fd\u529b\uff0c\u4ee5\u53ca\u5b83\u4e3a\u4f55\u201c\u505a\u4e86\u51cf\u6cd5\u201d\u53cd\u800c\u66f4\u503c\u5f97\u671f\u5f85\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e00\u4e2a\u8fdf\u5230\u4e86 20 \u5e74\u7684\u7b54\u6848<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">2014 \u5e74\uff0cOpenJDK \u63d0\u51fa\u4e86 JEP 198\uff08Light-Weight JSON API\uff09\uff0c\u8ba1\u5212\u5728 JDK 9 \u4e2d\u5f15\u5165\u8f7b\u91cf\u7ea7 JSON API\u3002\u7136\u800c\uff0c\u7531\u4e8e\u5f53\u65f6\u751f\u6001\u4e2d Jackson\u3001Gson \u7b49\u7b2c\u4e09\u65b9\u5e93\u5df2\u76f8\u5f53\u6210\u719f\uff0c\u8fd9\u4e2a\u63d0\u6848\u6700\u7ec8\u88ab\u64a4\u56de\uff0c\u4e00\u653e\u5c31\u662f\u5341\u4f59\u5e74\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5341\u4e8c\u5e74\u540e\u7684\u4eca\u5929\uff0cJSON \u65e9\u5df2\u6210\u4e3a REST API\u3001\u4e91\u539f\u751f\u5e94\u7528\u3001AI \u670d\u52a1\u8c03\u7528\u7684\u4e8b\u5b9e\u6807\u51c6\u3002Java \u5f00\u53d1\u8005\u9762\u5bf9\u4e00\u4e2a\u7b80\u5355\u7684\u9700\u6c42\uff0c\u6bd4\u5982\u4ece\u4e00\u6bb5\u5929\u6c14 API \u54cd\u5e94\u4e2d\u63d0\u53d6\u6e29\u5ea6\u5e73\u5747\u503c\uff0c\u6b64\u65f6\u4ecd\u7136\u8981\u5148\u5f15\u5165\u4e00\u4e2a\u5916\u90e8\u4f9d\u8d56\uff0c\u914d\u7f6e Maven\/Gradle\uff0c\u624d\u80fd\u5199\u4e0a\u51e0\u884c\u89e3\u6790\u4ee3\u7801\u3002\u76f8\u6bd4\u4e4b\u4e0b\uff0cPython \u7684 <code>json<\/code> \u6a21\u5757\u3001Go \u7684 <code>encoding\/json<\/code> \u90fd\u662f\u5f00\u7bb1\u5373\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u201c\u7b80\u5355\u4efb\u52a1\u590d\u6742\u5316\u201d\u7684\u843d\u5dee\uff0c\u6b63\u662f JEP 540 \u60f3\u8981\u5f25\u5408\u7684\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">JEP 540<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u770b\u4e86\u4e00\u4e0b JEP 540 \u8fd9\u4e2a\u63d0\u6848\uff0c\u5b83\u7684\u6838\u5fc3\u76ee\u6807\u53ef\u4ee5\u6982\u62ec\u4e3a\u4e00\u53e5\u8bdd\uff1a<code>\u8ba9 Java \u5904\u7406\u7b80\u5355 JSON \u4efb\u52a1\u65f6\uff0c\u4e0d\u518d\u9700\u8981\u5916\u90e8\u5e93\uff0c\u4e14\u4ee3\u7801\u4e0e Python\/Go \u4e00\u6837\u7b80\u6d01<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5177\u4f53\u800c\u8a00\uff0c\u5b83\u7784\u51c6\u4e86\u4ee5\u4e0b\u51e0\u7c7b\u75db\u70b9\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b80\u5355\u9700\u6c42\uff0c\u5f15\u5165\u5176\u5b83\u4f9d\u8d56<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f88\u591a\u65f6\u5019\uff0c\u6211\u4eec\u53ea\u9700\u8981\u505a\u6700\u7b80\u5355\u7684 JSON \u64cd\u4f5c\u3002\u6bd4\u5982\uff0c\u89e3\u6790\u4e00\u4e2a REST \u54cd\u5e94\u3001\u8bfb\u53d6\u914d\u7f6e\u6587\u4ef6\u3001\u6784\u9020\u4e00\u4e2a POST \u8bf7\u6c42\u4f53\u3002\u4e3a\u6b64\u5f15\u5165 Jackson \u6216 Gson \u6216 Fastjson \u7b49\u7b2c\u4e09\u65b9\u7c7b\u5e93\uff0c\u65e0\u5f02\u4e8e\u201c\u6740\u9e21\u7528\u725b\u5200\u201d\uff0c\u4e0d\u4ec5\u589e\u52a0\u4f9d\u8d56\uff0c\u8fd8\u5e26\u6765\u7248\u672c\u51b2\u7a81\u3001\u5b89\u5168\u6f0f\u6d1e\uff08\u5982 Fastjson \u7684\u5386\u53f2\u6559\u8bad\uff09\u3001\u5305\u4f53\u79ef\u81a8\u80c0\u7b49\u95ee\u9898\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">JDK \u81ea\u8eab\u7684 JSON \u56f0\u5883<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e00\u4e2a\u5bb9\u6613\u88ab\u5ffd\u89c6\u7684\u4e8b\u5b9e\u662f <code>JDK \u672c\u8eab\u4e0d\u80fd\u4f9d\u8d56\u4efb\u4f55\u5916\u90e8\u5e93<\/code>\u3002\u8fd9\u5bfc\u81f4 JDK \u5185\u90e8\u81f3\u4eca\u4ecd\u5728\u7528\u4e00\u4e9b\u76f8\u5f53\u201c\u539f\u59cb\u201d\u7684\u65b9\u5f0f\u5904\u7406\u7ed3\u6784\u5316\u6570\u636e\u3002\u6bd4\u5982\u5b89\u5168\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u8868\u8fbe\u6570\u7ec4\u53ea\u80fd\u9760\u8fd9\u79cd\u7b28\u62d9\u7684\u7f16\u53f7\u65b9\u5f0f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>security.provider.1=SUN\nsecurity.provider.2=SunRsaSign\nsecurity.provider.3=SunEC<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c JDK \u5185\u7f6e\u4e86 JSON \u652f\u6301\uff0c\u8fd9\u4e9b\u914d\u7f6e\u5b8c\u5168\u53ef\u4ee5\u53d8\u6210\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>{\n  \"providers\": [\"SUN\", \"SunRsaSign\", \"SunEC\"]\n}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">Java \u5e73\u53f0\u6f14\u8fdb<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd1\u5e74\u6765\uff0cJava \u5728\u201c\u51cf\u5c11\u6837\u677f\u4ee3\u7801\u201d\u4e0a\u505a\u4e86\u5927\u91cf\u5de5\u4f5c\u3002\u6bd4\u5982\uff0c<code>var<\/code> \u63a8\u65ad\u3001\u96c6\u5408\u5de5\u5382\u65b9\u6cd5\uff08<code>List.of<\/code>\u3001<code>Map.of<\/code>\uff09\u3001\u7d27\u51d1\u6e90\u6587\u4ef6\u3001\u5b9e\u4f8b main \u65b9\u6cd5\u7b49\u7b49\uff0cJEP 540 \u6b63\u662f\u8fd9\u4e00\u8109\u7edc\u7684\u81ea\u7136\u5ef6\u4f38\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0cJEP 540 \u4e0e Java \u5e73\u53f0\u201c\u7b80\u5316\u7b80\u5355\u4efb\u52a1\u201d\u7684\u6f14\u8fdb\u65b9\u5411\u4fdd\u6301\u4e00\u81f4\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">API \u8bbe\u8ba1\u505a\u51cf\u6cd5\uff0c\u800c\u975e\u52a0\u6cd5<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JEP 540 \u6700\u503c\u5f97\u5173\u6ce8\u7684\u5730\u65b9\uff0c\u4e0d\u662f\u5b83\u201c\u6709\u4ec0\u4e48\u201d\uff0c\u800c\u662f\u5b83<code>\u4e3b\u52a8\u653e\u5f03\u4e86\u4ec0\u4e48<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u622a\u6b62\u76ee\u524d\uff0c\u5b98\u65b9\u660e\u786e\u4e86\u4ee5\u4e0b\u8fd9\u4e9b\u4e0d\u505a\u7684\u4e8b\u60c5\uff0c\u5f53\u7136\u4ee5\u540e\u7684\u4e8b\u8c01\u4e5f\u8bf4\u4e0d\u597d\u3002<\/p>\n\n\n\n<table class=\"wp-block-table\"><thead><tr><th>\u529f\u80fd<\/th><th>JEP 540 \u7684\u6001\u5ea6<\/th><th>\u539f\u56e0<\/th><\/tr><\/thead><tbody><tr><td>Data Binding\uff08\u5bf9\u8c61\u6620\u5c04\uff09<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u5927\u5e45\u589e\u52a0 API  footprint\uff0cJackson \u5df2\u505a\u5f97\u5f88\u597d<\/td><\/tr><tr><td>Streaming API<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u7b80\u5355\u573a\u666f\u4e0d\u9700\u8981\uff0c\u4e14\u589e\u52a0\u590d\u6742\u5ea6<\/td><\/tr><tr><td>Trailing commas\u3001Comments<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u4e25\u683c\u9075\u5faa RFC 8259\uff0c\u4fdd\u8bc1\u4e92\u64cd\u4f5c\u6027<\/td><\/tr><tr><td>\u91cd\u590d Key \u5bb9\u5fcd<\/td><td>\u76f4\u63a5\u629b\u5f02\u5e38<\/td><td>\u6d88\u9664\u6b67\u4e49\uff0c\u907f\u514d\u5b89\u5168\u6f0f\u6d1e<\/td><\/tr><tr><td>JSON5 \/ \u5176\u4ed6\u8bed\u6cd5\u6269\u5c55<\/td><td>\u4e0d\u652f\u6301<\/td><td>\u805a\u7126\u673a\u5668\u95f4\u901a\u4fe1\uff0c\u975e\u4eba\u5de5\u7f16\u8f91<\/td><\/tr><\/tbody><\/table>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u68f5\u6781\u7b80\u7684 JSON \u6811<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6574\u4e2a API \u56f4\u7ed5 <code>JsonValue<\/code> \u8fd9\u4e2a <code>sealed \u63a5\u53e3<\/code> \u5c55\u5f00\uff0c\u5b83\u6709\u4e14\u4ec5\u6709\u516d\u4e2a\u5b50\u7c7b\u578b\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>JsonValue (sealed)\n\u251c\u2500\u2500 JsonString\n\u251c\u2500\u2500 JsonNumber\n\u251c\u2500\u2500 JsonBoolean\n\u251c\u2500\u2500 JsonNull\n\u251c\u2500\u2500 JsonObject\n\u2514\u2500\u2500 JsonArray<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><code>sealed<\/code> \u7684\u8bbe\u8ba1\u975e\u5e38\u5173\u952e\uff0c\u5b83\u4fdd\u8bc1\u4e86\u4efb\u4f55 <code>JsonValue<\/code> \u5b9e\u4f8b\u5fc5\u5b9a\u662f\u8fd9\u516d\u79cd\u4e4b\u4e00\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u5199\u51fa\u65e0\u9700 <code>default<\/code> \u5206\u652f\u7684 exhaustive switch \u8868\u8fbe\u5f0f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u94fe\u5f0f\u8c03\u7528 + \u5feb\u901f\u5931\u8d25<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b98\u65b9\u8fd9\u6b21\u63a8\u51fa\u7684 API\uff0c\u5728\u8bbf\u95ee\u4e0e\u8f6c\u6362\u8fc7\u7a0b\u4e2d\uff0c\u652f\u6301\u94fe\u5f0f\u8c03\u7528\u548c\u5feb\u901f\u5931\u8d25\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import jdk.incubator.json.Json;\nimport jdk.incubator.json.JsonValue;\n\n\/\/ \u89e3\u6790\nJsonValue json = Json.parse(responseBody);\n\n\/\/ \u94fe\u5f0f\u5bfc\u822a + \u63d0\u53d6\ndouble avgTemp = json.get(\"properties\")\n   .get(\"periods\")\n   .asList()\n   .stream()\n   .mapToInt(j -&gt; j.get(\"temperature\").asInt())\n   .average()\n   .orElse(0);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u91cc\u7684\u4f18\u96c5\u4e4b\u5904\u6709\u4e24\u70b9\uff0c\u65e0\u9700\u5411\u4e0b\u8f6c\u578b\u548c\u5b8c\u6574\u8def\u5f84\u4fe1\u606f\u7684\u5f02\u5e38\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><code>get(String)<\/code> \u548c <code>get(int)<\/code> \u76f4\u63a5\u8fd4\u56de <code>JsonValue<\/code>\uff0c\u65e0\u9700\u5411\u4e0b\u8f6c\u578b<\/li><li><code>asInt()<\/code>\u3001<code>asString()<\/code>\u3001<code>asList()<\/code> \u7b49\u8f6c\u6362\u65b9\u6cd5\u5728\u7c7b\u578b\u4e0d\u5339\u914d\u65f6\uff0c\u629b\u51fa\u5e26\u6709\u5b8c\u6574\u8def\u5f84\u4fe1\u606f\u7684 <code>JsonValueException<\/code><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u6bd4\u5982\uff0c\u5f53\u6211\u4eec\u9519\u8bef\u5730\u628a\u6570\u5b57\u5f53\u5e03\u5c14\u503c\u8bfb\u53d6\u65f6\uff0c\u5f02\u5e38\u4fe1\u606f\u4f1a\u6253\u5370\u51fa\u4ee5\u4e0b\u4fe1\u606f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>JsonNumber is not a JsonBoolean. Path: \"{threadDump{threadContainers[0{threads[0{tid\"<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u201cfail fast + \u6e05\u6670\u8def\u5f84\u201d\u7684\u8bbe\u8ba1\uff0c\u5728\u63a2\u7d22\u4e0d\u719f\u6089\u7684 JSON \u6587\u6863\u65f6\u5c24\u5176\u6709\u7528\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5904\u7406\u4e0d\u786e\u5b9a\u7684\u7ed3\u6784<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u771f\u5b9e\u4e16\u754c\u7684 JSON \u7ecf\u5e38\u53d8\u5316\u3002JEP 540 \u63d0\u4f9b\u4e86 <code>tryGet<\/code> \u548c <code>tryValue<\/code> \u6765\u4f18\u96c5\u5904\u7406\u53ef\u9009\u5b57\u6bb5\u548c null\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ \u5b57\u6bb5\u53ef\u80fd\u4e0d\u5b58\u5728\nthread.tryGet(\"waitingOn\")\n  .ifPresent(obj -&gt; ...);\n\n\/\/ \u503c\u53ef\u80fd\u662f null\ncontainer.get(\"parent\").tryValue()\n  .ifPresent(name -&gt; ...);<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u751f\u6210 JSON<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u751f\u6210 json \u540c\u6837\u5f88\u7b80\u5355\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>JsonObject.of(Map.of(\n    \"providers\",\n    JsonArray.of(List.of(\n        JsonString.of(\"SUN\"),\n        JsonString.of(\"SunRsaSign\")\n    ))\n)).toString();\n\/\/ \u8f93\u51fa: {\"providers\":[\"SUN\",\"SunRsaSign\"]}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8f93\u51fa\u65b9\u9762\u5b98\u65b9\u63d0\u4f9b\u4e86\u4e24\u79cd\u5f62\u5f0f\u3002<code>toString()<\/code> \u8f93\u51fa\u7d27\u51d1\u683c\u5f0f\uff0c<code>Json.toDisplayString(json, 2)<\/code> \u8f93\u51fa\u5e26\u7f29\u8fdb\u7684\u53ef\u8bfb\u683c\u5f0f\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4e25\u683c\u9075\u5b88 RFC 8259<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">JEP 540 \u5728\u89e3\u6790\u7b56\u7565\u4e0a\u9009\u62e9\u4e86\u6700\u4e25\u683c\u7684\u7acb\u573a\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list\"><li>\u96f6\u5bb9\u5fcd\u91cd\u590d Key\uff1a\u4e00\u65e6\u9047\u5230\u5bf9\u8c61\u4e2d\u6709\u91cd\u590d\u7684\u6210\u5458\u540d\uff0c\u7acb\u5373\u629b\u51fa <code>JsonParseException<\/code>\u3002RFC 8259 \u539f\u6587\u7528\u7684\u662f <code>SHOULD be unique<\/code>\uff08\u5efa\u8bae\u552f\u4e00\uff09\uff0cJEP 540 \u5c06\u5176\u63d0\u5347\u4e3a\u786c\u6027\u7ea6\u675f\u3002\u7406\u7531\u662f\u91cd\u590d Key \u7684\u6587\u6863\u5728\u4e0d\u540c\u5e93\u4e2d\u7684\u884c\u4e3a\u4e0d\u53ef\u9884\u6d4b\uff0c\u53ef\u80fd\u5f15\u53d1\u5b89\u5168\u6f0f\u6d1e\u548c\u96be\u4ee5\u8bca\u65ad\u7684 bug\u3002<\/li><li>\u7eaf RFC 8259\uff0c\u62d2\u7edd\u6269\u5c55\u3002\u4e0d\u652f\u6301 trailing commas\u3001\u6ce8\u91ca\u3001\u5355\u5f15\u53f7\u5b57\u7b26\u4e32\u7b49\u3002\u5982\u679c\u4f60\u786e\u5b9e\u9700\u8981\u5904\u7406\u5e26\u6ce8\u91ca\u7684 JSON\uff0cJEP \u751a\u81f3\u7ed9\u51fa\u4e86\u4e00\u4e2a\u9884\u5904\u7406\u793a\u4f8b\uff1a<\/li><\/ol>\n\n\n\n<pre class=\"wp-block-code\"><code>String jsonc = Files.readString(Path.of(\"file-with-comments.json\"));\nString json = jsonc.replaceAll(\"(?m)^\\\\s*#.*$\", \"\");\nJsonValue jv = Json.parse(json);<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u201c\u4e25\u683c\u8f93\u5165\u3001\u7075\u6d3b\u5904\u7406\u201d\u7684\u7b56\u7565\uff0c\u5728\u6700\u5927\u7a0b\u5ea6\u4e0a\u4fdd\u8bc1\u4e86\u4e0e\u5176\u4ed6 JSON \u5e93\u4e92\u64cd\u4f5c\u65f6\u7684\u884c\u4e3a\u4e00\u81f4\u6027\uff0c\u66f4\u662f\u4e3a\u4e86\u9ad8\u5b89\u5168\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4ec0\u4e48\u65f6\u5019\u80fd\u7528\u4e0a\uff1f<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u622a\u81f3 2026 \u5e74 8 \u6708\uff0cJEP 540 \u5df2\u4ece <code>JEP Draft \u63d0\u5347\u81f3 Candidate \u72b6\u6001<\/code>\uff0c\u6b63\u5728 OpenJDK \u793e\u533a\u5ba1\u8bae\u4e2d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u6587\u7ae0\u914d\u56fe\u53c2\u89c1\u6211\u7684\u516c\u4f17\u53f7\uff1a<a href=\"https:\/\/mp.weixin.qq.com\/s\/TY2VUvloehljRMTdeWjuDQ\">https:\/\/mp.weixin.qq.com\/s\/TY2VUvloehljRMTdeWjuDQ<\/a>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8e JDK 27 \u7684 JEP \u5df2\u7ecf\u51bb\u7ed3\u4e86\uff0c\u9884\u8ba1 2026 \u5e74 9 \u6708\u53d1\u5e03\uff0c\u76ee\u524d\u5df2\u8fdb\u5165 Rampdown \u9636\u6bb5\uff0cJEP 540 \u4e0d\u592a\u53ef\u80fd\u8d76\u5f97\u4e0a\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u56e0\u6b64\uff0cJDK 28 \u5f88\u53ef\u80fd\u4f1a\u52a0\u5165\u8fd9\u4e2a JEP\u3002\u5b83\u9884\u8ba1\u5728 2027 \u5e74 3 \u6708\u53d1\u5e03\uff0cJEP 540 \u4f5c\u4e3a <code>\u5b75\u5316\u5668\uff08Incubator\uff09\u6a21\u5757<\/code> \u843d\u5730\u7684\u53ef\u80fd\u6027\u6700\u5927\u3002\u5c4a\u65f6\u9700\u8981\u901a\u8fc7 <code>--add-modules jdk.incubator.json<\/code> \u542f\u7528\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f5c\u4e3a\u5b75\u5316\u5668\u7279\u6027\uff0cAPI \u5728\u540e\u7eed\u7248\u672c\u4e2d\u4ecd\u53ef\u80fd\u6839\u636e\u793e\u533a\u53cd\u9988\u8fdb\u884c\u8c03\u6574\uff0c\u6700\u7ec8\u624d\u4f1a\u88ab\u7eb3\u5165\u6807\u51c6\u6a21\u5757\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e5f\u5c31\u662f\u8bf4\uff0c\u8fd9\u4e2a API \u6700\u5feb\u4e5f\u8981\u7b49\u5230 JDK 29\uff0c\u8fd9\u4e2a\u957f LTS \u7248\u672c\u624d\u80fd\u6b63\u5f0f\u53ef\u7528\uff0cJDK 28 \u8fd8\u9700\u8981\u53c2\u6570\u52a0\u6301\u624d\u80fd\u4f53\u9a8c\u5230\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5199\u5728\u6700\u540e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u4e0d\u5c11\u4eba\u8c08\u8d77 Java\uff0c\u5c31\u53ef\u80fd\u4f1a\u8bdf\u75c5 Java \u7684\u539f\u751f JSON \u652f\u6301\u60c5\u51b5\uff0c\u4ee5\u540e\u53ef\u80fd\u4f1a\u6362\u8bf4\u6cd5\u4e86\uff0c\u6bd4\u5982\u8bf4\u5b83\u4e0d\u597d\u7528 &#x1f923;\u3002\u4f46\u603b\u6bd4\u6ca1\u6709\u8981\u597d\u5427\uff0c\u800c\u4e14\u94fe\u5f0f\u8c03\u7528\uff0ctryGet \u7b49\u65b9\u6cd5\u4e5f\u8fd8\u4e0d\u9519\u5427\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">JEP 540 \u7684\u63d0\u6848\u4e2d\u6709\u8fd8\u4e00\u53e5\u8bdd\u4ee4\u4eba\u5370\u8c61\u6df1\u523b\uff0c<code>The Python or Go code to accomplish such tasks is simple; the Java code should be equally simple<\/code>\uff0c\u7ffb\u8bd1\u8fc7\u6765\u5c31\u662f<code>\u5b8c\u6210\u8fd9\u7c7b\u4efb\u52a1\uff0cPython \u6216 Go \u7684\u4ee3\u7801\u5f88\u7b80\u5355\uff1bJava \u7684\u4ee3\u7801\u4e5f\u5e94\u8be5\u540c\u6837\u7b80\u5355<\/code>\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b98\u65b9\u8981\u8868\u8fbe\u7684\u610f\u601d\u53ef\u80fd\u662f\u5728\u8bf4\uff0c\u8fd9\u4e0d\u662f\u4e00\u79cd\u201c\u8ffd\u8d76\u201d\u7684\u7126\u8651\uff0c\u800c\u662f\u4e00\u79cd\u5e73\u53f0\u6210\u719f\u5ea6\u7684\u81ea\u6211\u8981\u6c42\u3002\u8981\u77e5\u9053\uff0c\u4ece JEP 198\uff082014\uff09\u5230 JEP 540\uff082026\uff09\uff0c\u5341\u4e8c\u5e74\u95f4 Java \u751f\u6001\u7ecf\u5386\u4e86\u5fae\u670d\u52a1\u3001\u4e91\u539f\u751f\u3001AI \u6d6a\u6f6e\u7684\u6d17\u793c\uff0cJSON \u4ece\u4e00\u4e2a\u201c\u597d\u7528\u7684\u6570\u636e\u683c\u5f0f\u201d\u53d8\u6210\u4e86\u6574\u4e2a\u6570\u5b57\u4e16\u754c\u7684\u201c\u901a\u7528\u8bed\u201d\u3002\u5728\u8fd9\u4e2a\u65f6\u95f4\u70b9\u4e0a\uff0c\u4e3a Java \u5e73\u53f0\u8865\u4e0a\u4e00\u5757\u201c\u7b80\u5355 JSON \u5904\u7406\u201d\u7684\u57fa\u5ea7\uff0c\u65e2\u662f\u8865\u8bfe\uff0c\u4e5f\u662f\u9762\u5411\u4e0b\u4e00\u4e2a\u5341\u5e74\u7684\u94fa\u57ab\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5bf9\u4e8e\u6211\u4eec Java \u5f00\u53d1\u8005\u6765\u8bf4\uff0cJDK 28 \u4e4b\u540e\uff0c\u6216\u8bb8\u53ef\u4ee5\u544a\u522b\u201c\u4e3a\u4e86\u4e00\u4e2a JSON \u89e3\u6790\u5f15\u5165\u6574\u4e2a\u4f9d\u8d56\u6811\u201d\u7684\u65e5\u5b50\u4e86\u3002\u800c\u5bf9\u4e8e Jackson\u3001Gson \u7684\u7ef4\u62a4\u8005\u4eec\uff0c\u8fd9\u4e5f\u672a\u5fc5\u662f\u5a01\u80c1\u3002\u6bd5\u7adf\u4e00\u4e2a\u66f4\u5065\u5eb7\u7684\u751f\u6001\uff0c\u5e94\u8be5\u662f\u201c\u7b80\u5355\u9700\u6c42\u96f6\u4f9d\u8d56\uff0c\u590d\u6742\u9700\u6c42\u6709\u4e13\u4e1a\u5e93\u201d\u7684\u5206\u5c42\u7ed3\u6784\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8ba9\u6211\u4eec\u671f\u5f85\u8fd9\u4e2a JSON API \u7684\u5c3d\u5feb\u5230\u6765\u5427\uff01<\/p>\n<!-- <audio autoplay=\"autoplay\" height=\"100\" width=\"100\" hidden=\"true\"><source src=\"https:\/\/c.coka.la\/orAvPR.mp3\" type=\"audio\/mp3\"\/><\/audio><img decoding=\"async\" src=\"https:\/\/images.weserv.nl\/?url=https:\/\/ws3.sinaimg.cn\/large\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/> --><p><!-- <img decoding=\"async\" src=\"https:\/\/raw.githubusercontent.com\/xmt1139057136\/xttblog\/master\/8fa5dcfcgy1g4em3rzar5j20ib089ae0.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/>--><img decoding=\"async\" src=\"https:\/\/saas.51autoparts.cn\/api\/admin\/sys-file\/oss\/file?fileName=84db51f8561e448f9a4fda2eff0811f9.jpg\" alt=\"\u4e1a\u4f59\u8349\u516c\u4f17\u53f7\"\/><\/p><p>\u6700\u540e\uff0c\u6b22\u8fce\u5173\u6ce8\u6211\u7684\u4e2a\u4eba\u5fae\u4fe1\u516c\u4f17\u53f7\uff1a\u4e1a\u4f59\u8349\uff08yyucao\uff09\uff01<b>\u53ef\u52a0\u4f5c\u8005\u5fae\u4fe1\u53f7\uff1a<font color=\"red\">xttblog2<\/font>\u3002\u5907\u6ce8\uff1a\u201c1\u201d\uff0c\u6dfb\u52a0\u535a\u4e3b\u5fae\u4fe1\u62c9\u4f60\u8fdb\u5fae\u4fe1\u7fa4\u3002\u5907\u6ce8\u9519\u8bef\u4e0d\u4f1a\u540c\u610f\u597d\u53cb\u7533\u8bf7\u3002<\/b>\u518d\u6b21\u611f\u8c22\u60a8\u7684\u5173\u6ce8\uff01\u540e\u7eed\u6709\u7cbe\u5f69\u5185\u5bb9\u4f1a\u7b2c\u4e00\u65f6\u95f4\u53d1\u7ed9\u60a8\uff01\u539f\u521b\u6587\u7ae0\u6295\u7a3f\u8bf7\u53d1\u9001\u81f3532009913@qq.com\u90ae\u7bb1\u3002\u5546\u52a1\u5408\u4f5c\u4e5f\u53ef\u6dfb\u52a0\u4f5c\u8005\u5fae\u4fe1\u8fdb\u884c\u8054\u7cfb\uff01<\/p><p>\u672c\u6587\u539f\u6587\u51fa\u5904\uff1a<a href=\"https:\/\/www.xttblog.com\">\u4e1a\u4f59\u8349<\/a>\uff1a &raquo; <a href=\"https:\/\/www.xttblog.com\/?p=5830\">\u518d\u89c1 Fastjson\uff0cJava \u539f\u751f JSON API \u6765\u4e86<\/a><\/p><!-- <div class=\"bd-reward-stl\"><button id=\"bdRewardBtn\"><span><\/span><\/button><\/div> -->","protected":false},"excerpt":{"rendered":"<p>30 \u5e74\u4e86\uff0cJava \u7ec8\u4e8e\u539f\u751f\u652f\u6301 JSON API \u4e86\u3002 \u56de\u60f3\u4e00\u4e2a\u591a\u661f\u671f\u524d\uff0c\u6211\u5199\u7684 Fastjson \u90a3\u7bc7\u6587 [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[515,481,415,1343,1341],"class_list":["post-5830","post","type-post","status-publish","format-standard","hentry","category-java","tag-fastdfs","tag-fastjson","tag-json","tag-rejson"],"_links":{"self":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=5830"}],"version-history":[{"count":1,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5830\/revisions"}],"predecessor-version":[{"id":5831,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=\/wp\/v2\/posts\/5830\/revisions\/5831"}],"wp:attachment":[{"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.xttblog.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}