{"id":12835,"date":"2023-09-25T16:08:39","date_gmt":"2023-09-25T08:08:39","guid":{"rendered":"https:\/\/92it.top\/?p=12835"},"modified":"2023-09-25T17:03:23","modified_gmt":"2023-09-25T09:03:23","slug":"%e5%ba%8f%e5%88%97%e5%8c%96%e5%92%8c%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%e7%90%86%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=12835","title":{"rendered":"\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7406\u89e3"},"content":{"rendered":"\n<p>\u5176\u5b9e\u4f5c\u4e3a\u4e00\u540d\u7a0b\u5e8f\u5458\uff0c\u5fc5\u987b\u8981\u77e5\u9053<code>\u5e8f\u5217\u5316<\/code>\u548c <code>\u53cd\u5e8f\u5217\u5316<\/code> \u7684\u6982\u5ff5\uff0c\u56e0\u4e3a\u5b83\u662f\u5728\u5de5\u4f5c\u4e2d\u975e\u5e38\u5e38\u89c1\u7684\u6982\u5ff5\u3002<\/p>\n\n\n\n<p><strong>\u4ec0\u4e48\u662f\u5e8f\u5217\u5316\uff1f\u53cd\u5e8f\u5217\u5316\uff1f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<pre class=\"wp-block-preformatted\">Java \u5e8f\u5217\u5316\u5c31\u662f\u6307\u5c06\u5bf9\u8c61\u8f6c\u6362\u4e3a\u5b57\u8282\u5e8f\u5217\u7684\u8fc7\u7a0b\uff0c\u800c\u53cd\u5e8f\u5217\u5316\u5219\u662f\u53ea\u5c06\u5b57\u8282\u5e8f\u5217\u8f6c\u6362\u6210\u76ee\u6807\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002<\/pre>\n\n\n\n<pre class=\"wp-block-preformatted\">seriallization \u5e8f\u5217\u5316 \uff1a \u5c06\u5bf9\u8c61\u8f6c\u5316\u4e3a\u4fbf\u4e8e\u4f20\u8f93\u7684\u683c\u5f0f\uff0c \u5e38\u89c1\u7684\u5e8f\u5217\u5316\u683c\u5f0f\uff1a\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u5b57\u8282\u6570\u7ec4\uff0cjson\u5b57\u7b26\u4e32\uff0cxml\u5b57\u7b26\u4e32\u3002<br>deseriallization \u53cd\u5e8f\u5217\u5316\uff1a\u5c06\u5e8f\u5217\u5316\u7684\u6570\u636e\u6062\u590d\u4e3a\u5bf9\u8c61\u7684\u8fc7\u7a0b\u3002<\/pre>\n\n\n\n<p>\u4e3e\u4e2a\u4f8b\u5b50\uff1a<br>\u6bd4\u5982\uff1a\u73b0\u5728\u6211\u4eec\u90fd\u4f1a\u5728\u6dd8\u5b9d\u4e0a\u4e70\u684c\u5b50\uff0c\u684c\u5b50\u8fd9\u79cd\u5f88\u4e0d\u89c4\u5219\u4e0d\u4e1c\u897f\uff0c\u8be5\u600e\u4e48\u4ece\u4e00\u4e2a\u57ce\u5e02\u8fd0\u8f93\u5230\u53e6\u4e00\u4e2a\u57ce\u5e02\uff0c\u8fd9\u65f6\u5019\u4e00\u822c\u90fd\u4f1a\u628a\u5b83\u62c6\u6389\u6210\u677f\u5b50\uff0c\u518d\u88c5\u5230\u7bb1\u5b50\u91cc\u9762\uff0c\u5c31\u53ef\u4ee5\u5feb\u9012\u5bc4\u51fa\u53bb\u4e86\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u7c7b\u4f3c\u6211\u4eec\u7684<strong>\u5e8f\u5217\u5316<\/strong>\u7684\u8fc7\u7a0b\uff08\u628a\u6570\u636e\u8f6c\u5316\u4e3a\u53ef\u4ee5\u5b58\u50a8\u6216\u8005\u4f20\u8f93\u7684\u5f62\u5f0f\uff09\u3002\u5f53\u4e70\u5bb6\u6536\u5230\u8d27\u540e\uff0c\u5c31\u9700\u8981\u81ea\u5df1\u628a\u8fd9\u4e9b\u677f\u5b50\u7ec4\u88c5\u6210\u684c\u5b50\u7684\u6837\u5b50\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u5c31\u50cf<strong>\u53cd\u5e8f\u5217<\/strong> \u7684\u8fc7\u7a0b\uff08\u8f6c\u5316\u6210\u5f53\u521d\u7684\u6570\u636e\u5bf9\u8c61\uff09\u3002<\/p>\n\n\n\n<p><strong>\u4e3a\u4ec0\u4e48\u8981\u5e8f\u5217\u5316\uff1f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6211\u4eec\u90fd\u77e5\u9053\uff0c\u5728\u8fdb\u884c\u6d4f\u89c8\u5668\u8bbf\u95ee\u7684\u65f6\u5019\uff0c\u6211\u4eec\u770b\u5230\u7684\u6587\u672c\u3001\u56fe\u7247\u3001\u97f3\u9891\u3001\u89c6\u9891\u7b49\u90fd\u662f\u901a\u8fc7\u4e8c\u8fdb\u5236\u5e8f\u5217\u8fdb\u884c\u4f20\u8f93\u7684\uff0c\u90a3\u4e48\u5982\u679c\u6211\u4eec\u9700\u8981\u5c06Java\u5bf9\u8c61\u8fdb\u884c\u4f20\u8f93\u7684\u65f6\u5019\uff0c\u662f\u4e0d\u662f\u4e5f\u5e94\u8be5\u5148\u5c06\u5bf9\u8c61\u8fdb\u884c\u5e8f\u5217\u5316\uff1f\u7b54\u6848\u662f\u80af\u5b9a\u7684\uff0c\u6211\u4eec\u9700\u8981\u5148\u5c06Java\u5bf9\u8c61\u8fdb\u884c\u5e8f\u5217\u5316\uff0c\u7136\u540e\u901a\u8fc7\u7f51\u7edc\uff0cIO\u8fdb\u884c\u4f20\u8f93\uff0c\u5f53\u5230\u8fbe\u76ee\u7684\u5730\u4e4b\u540e\uff0c\u518d\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u83b7\u53d6\u5230\u6211\u4eec\u60f3\u8981\u7684\u5bf9\u8c61\uff0c\u6700\u540e\u5b8c\u6210\u901a\u4fe1\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7\u4e0a\u9762\u6211\u60f3\u4f60\u5df2\u7ecf\u77e5\u9053\u4e86\u51e1\u662f\u9700\u8981\u8fdb\u884c\u201c\u8de8\u5e73\u53f0\u5b58\u50a8\u201d\u548c\u201d\u7f51\u7edc\u4f20\u8f93\u201d\u7684\u6570\u636e\uff0c\u90fd\u9700\u8981\u8fdb\u884c\u5e8f\u5217\u5316\u3002<\/p>\n\n\n\n<p>\u672c\u8d28\u4e0a \u5b58\u50a8\u548c\u7f51\u7edc\u4f20\u8f93 \u90fd\u9700\u8981\u7ecf\u8fc7 \u628a\u4e00\u4e2a\u5bf9\u8c61\u72b6\u6001\u4fdd\u5b58\u6210\u4e00\u79cd\u8de8\u5e73\u53f0\u8bc6\u522b\u7684\u5b57\u8282\u683c\u5f0f\uff0c\u7136\u540e\u5176\u4ed6\u7684\u5e73\u53f0\u624d\u53ef\u4ee5\u901a\u8fc7\u5b57\u8282\u4fe1\u606f\u89e3\u6790\u8fd8\u539f\u5bf9\u8c61\u4fe1\u606f\u3002<\/p>\n\n\n\n<p>\u4f8b\u5b50\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">        \/\/\u521b\u5efastudent\u5bf9\u8c61\n        Student student = new Student(1,\"1234\",\"\u5c0f\u660e\");\n\n        \/\/\u5e8f\u5217\u5316\n        byte[] bytes = toBytes(student);\n        System.out.println(bytes.length);\n\n        \/\/\u53cd\u5e8f\u5217\u5316\n        Student student0 = (Student) toObj(bytes);\n        System.out.println(student0);\n\n<\/pre>\n\n\n\n<p>\u8f93\u51fa\u7ed3\u679c:<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">111\nStudent{id=1, code='1234', name='\u5c0f\u660e'}<\/pre>\n\n\n\n<p>\u4e0d\u8fc7\u6211\u4e2a\u4eba\u89c9\u5f97\uff0c\u8fd9\u6837\u5e8f\u5217\u5316\u4e3a\u4e8c\u8fdb\u5236\u683c\u5f0f\uff0c\u5bf9\u4e8e\u53ef\u89c6\u5316\u7684\u4f53\u9a8c\u5c31\u5f88\u5dee\u4e86\uff0c\u5982\u679c\u8fd9\u6837\u5b58\u5230\u5e93\u91cc\uff0c\u90a3\u8fd9\u4e2a\u5177\u4f53\u662f\u4e2a\u4ec0\u4e48\u9b3c\uff0c\u5c31\u4e00\u773c\u770b\u4e0d\u51fa\u6765\u4e86\u3002<\/p>\n\n\n\n<p>\u4ee5\u67d0\u79cd\u5b58\u50a8\u5f62\u5f0f\u4f7f\u81ea\u5b9a\u4e49\u5bf9\u8c61\u6301\u4e45\u5316\u3002\uff08\u5bf9\u8c61\u968f\u7740\u7a0b\u5e8f\u7684\u8fd0\u884c\u800c\u88ab\u521b\u5efa\uff0c\u7136\u540e\u5728\u4e0d\u53ef\u8fbe\u65f6\u88ab\u56de\u6536\uff0c\u751f\u547d\u5468\u671f\u662f\u77ed\u6682\u7684\u3002\u4f46\u662f\u5982\u679c\u6211\u4eec\u60f3\u957f\u4e45\u5730\u628a\u5bf9\u8c61\u7684\u5185\u5bb9\u4fdd\u5b58\u8d77\u6765\u600e\u4e48\u529e\u5462\uff1f\u628a\u5b83\u8f6c\u5316\u4e3a\u5b57\u8282\u5e8f\u5217\u4fdd\u5b58\u5728\u5b58\u50a8\u4ecb\u8d28\u4e0a\u5373\u53ef\u3002\u90a3\u5c31\u9700\u8981\u5e8f\u5217\u5316\u3002\uff09<\/p>\n\n\n\n<p><strong>\u603b\u7ed3\u4e0b\u5e8f\u5217\u5316\u7684\u76ee\u7684<\/strong>\uff1a<\/p>\n\n\n\n<p>\u5c06\u5bf9\u8c61\u4ece\u4e00\u4e2a\u5730\u65b9\u4f20\u9012\u5230\u53e6\u4e00\u4e2a\u5730\u65b9\uff08\u7f51\u7edc\u4f20\u8f93\uff09\u3002\uff08\u6240\u6709\u53ef\u5728\u7f51\u7edc\u4e0a\u4f20\u8f93\u7684\u5bf9\u8c61\u90fd\u5fc5\u987b\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u6bd4\u5982RMI\uff08remote method invoke\uff0c\u5373\u8fdc\u7a0b\u65b9\u6cd5\u8c03\u7528\uff09\uff0c\u4f20\u5165\u7684\u53c2\u6570\u6216\u8fd4\u56de\u7684\u5bf9\u8c61\u90fd\u662f\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u5426\u5219\u4f1a\u51fa\u9519\uff1b\u6240\u6709\u9700\u8981\u4fdd\u5b58\u5230\u78c1\u76d8\u7684java\u5bf9\u8c61\u90fd\u5fc5\u987b\u662f\u53ef\u5e8f\u5217\u5316\u7684\u3002\uff09<\/p>\n\n\n\n<p>\u5176\u5b9e\u5e8f\u5217\u5316\u6700\u7ec8\u7684\u76ee\u7684\u662f\u4e3a\u4e86\u5bf9\u8c61\u53ef\u4ee5\u8de8\u5e73\u53f0\u5b58\u50a8\uff0c\u548c\u8fdb\u884c\u7f51\u7edc\u4f20\u8f93\u3002\u800c\u6211\u4eec\u8fdb\u884c\u8de8\u5e73\u53f0\u5b58\u50a8\u548c\u7f51\u7edc\u4f20\u8f93\u7684\u65b9\u5f0f\u5c31\u662fIO\uff0c\u800c\u6211\u4eec\u7684IO\u652f\u6301\u7684\u6570\u636e\u683c\u5f0f\u5c31\u662f\u5b57\u8282\u6570\u7ec4\u3002<\/p>\n\n\n\n<p>\u56e0\u4e3a\u6211\u4eec\u5355\u65b9\u9762\u7684\u53ea\u628a\u5bf9\u8c61\u8f6c\u6210\u5b57\u8282\u6570\u7ec4\u8fd8\u4e0d\u884c\uff0c\u56e0\u4e3a\u6ca1\u6709\u89c4\u5219\u7684\u5b57\u8282\u6570\u7ec4\u6211\u4eec\u662f\u6ca1\u529e\u6cd5\u628a\u5bf9\u8c61\u7684\u672c\u6765\u9762\u76ee\u8fd8\u539f\u56de\u6765\u7684\uff0c\u6240\u4ee5\u6211\u4eec\u5fc5\u987b\u5728\u628a\u5bf9\u8c61\u8f6c\u6210\u5b57\u8282\u6570\u7ec4\u7684\u65f6\u5019\u5c31\u5236\u5b9a\u4e00\u79cd\u89c4\u5219\uff08\u5e8f\u5217\u5316\uff09\uff0c\u90a3\u4e48\u6211\u4eec\u4ece<a href=\"https:\/\/so.csdn.net\/so\/search?q=IO%E6%B5%81&amp;spm=1001.2101.3001.7020\" target=\"_blank\" rel=\"noreferrer noopener\">IO\u6d41<\/a>\u91cc\u9762\u8bfb\u51fa\u6570\u636e\u7684\u65f6\u5019\u518d\u4ee5\u8fd9\u79cd\u89c4\u5219\u628a\u5bf9\u8c61\u8fd8\u539f\u56de\u6765\uff08\u53cd\u5e8f\u5217\u5316\uff09\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff1a\u5982\u679c\u6211\u4eec\u8981\u628a\u4e00\u680b\u623f\u5b50\u4ece\u4e00\u4e2a\u5730\u65b9\u8fd0\u8f93\u5230\u53e6\u4e00\u4e2a\u5730\u65b9\u53bb\uff0c\u5e8f\u5217\u5316\u5c31\u662f\u6211\u628a\u623f\u5b50\u62c6\u6210\u4e00\u4e2a\u4e2a\u7684\u7816\u5757\u653e\u5230\u8f66\u5b50\u91cc\uff0c\u7136\u540e\u7559\u4e0b\u4e00\u5f20\u623f\u5b50\u539f\u6765\u7ed3\u6784\u7684\u56fe\u7eb8\uff0c\u53cd\u5e8f\u5217\u5316\u5c31\u662f\u6211\u4eec\u628a\u623f\u5b50\u8fd0\u8f93\u5230\u4e86\u76ee\u7684\u5730\u4ee5\u540e\uff0c\u6839\u636e\u56fe\u7eb8\u628a\u4e00\u5757\u5757\u7816\u5934\u8fd8\u539f\u6210\u623f\u5b50\u539f\u6765\u9762\u76ee\u7684\u8fc7\u7a0b\u3002<\/p>\n\n\n\n<p><strong>\u5982\u4f55\u5b9e\u73b0\u5e8f\u5217\u5316<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5e8f\u5217\u5316\u53ea\u662f\u4e00\u79cd\u62c6\u88c5\u7ec4\u88c5\u5bf9\u8c61\u7684\u89c4\u5219\uff0c\u90a3\u4e48\u8fd9\u79cd\u89c4\u5219\u80af\u5b9a\u4e5f\u53ef\u80fd\u6709\u591a\u79cd\u591a\u6837\u3002<\/p>\n\n\n\n<p>\u76ee\u524dJAVA\u5e38\u7528\u7684\u5e8f\u5217\u5316\u6709Protostuff\uff0cJSON\uff0cJackson\uff0cXML\uff0cSerializable\uff0cHessian\uff0cKryo\uff08\u4e0d\u652f\u6301\u8de8\u8bed\u8a00\uff09\u3002<\/p>\n\n\n\n<p><strong>\u4ecb\u7ecd\u4e0bJackson<\/strong><\/p>\n\n\n\n<p>Java\u4e0b\u5e38\u89c1\u7684Json\u7c7b\u5e93\u6709Gson\u3001JSON-lib\u548cJackson\u7b49\uff0cJackson\u76f8\u5bf9\u6765\u8bf4\u6bd4\u8f83\u9ad8\u6548\uff0c\u5728\u9879\u76ee\u4e2d\u4e3b\u8981\u4f7f\u7528Jackson\u8fdb\u884cJSON\u548cJava\u5bf9\u8c61\u8f6c\u6362\uff0c\u4e0b\u9762\u7ed9\u51fa\u4e00\u4e9bJackson\u7684JSON\u64cd\u4f5c\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>jackson\u7c7b\u5e93\u7684JSON\u64cd\u4f5c\u65b9\u6cd5\uff1aObjectMapper<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">* ObjectMapper\u662fJSON\u64cd\u4f5c\u7684\u6838\u5fc3\uff0cJackson\u7684\u6240\u6709JSON\u64cd\u4f5c\u90fd\u662f\u5728ObjectMapper\u4e2d\u5b9e\u73b0\u3002 \n* ObjectMapper\u6709\u591a\u4e2aJSON\u5e8f\u5217\u5316\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u628aJSON\u5b57\u7b26\u4e32\u4fdd\u5b58File\u3001OutputStream\u7b49\u4e0d\u540c\u7684\u4ecb\u8d28\u4e2d\u3002 \n* writeValue(File arg0, Object arg1)\u628aarg1\u8f6c\u6210json\u5e8f\u5217\uff0c\u5e76\u4fdd\u5b58\u5230arg0\u6587\u4ef6\u4e2d\u3002 \n* writeValue(OutputStream arg0, Object arg1)\u628aarg1\u8f6c\u6210json\u5e8f\u5217\uff0c\u5e76\u4fdd\u5b58\u5230arg0\u8f93\u51fa\u6d41\u4e2d\u3002 \n* writeValueAsBytes(Object arg0)\u628aarg0\u8f6c\u6210json\u5e8f\u5217\uff0c\u5e76\u628a\u7ed3\u679c\u8f93\u51fa\u6210\u5b57\u8282\u6570\u7ec4\u3002 \n* writeValueAsString(Object arg0)\u628aarg0\u8f6c\u6210json\u5e8f\u5217\uff0c\u5e76\u628a\u7ed3\u679c\u8f93\u51fa\u6210\u5b57\u7b26\u4e32\u3002 \n<\/pre>\n\n\n\n<p>\u6240\u4ee5\uff0c\u4e00\u822c\u4f1a\u5c06\u67d0\u4e2a\u5bf9\u8c61\u6216\u8005\u6570\u7ec4\u53d8\u6210json\u5b57\u7b26\u4e32\uff0c\u5b58\u653e\u5728\u6570\u636e\u5e93\u4e2d\uff0c\u4e3e\u4e2a\u6817\u5b50\uff1a<\/p>\n\n\n\n<ul><li>java \u5bf9\u8c61\u8f6cJSON\uff08JSON\u5e8f\u5217\u5316\uff09<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/JSON\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u4f7f\u7528\u7684User\u7c7b \npublic class User {  \n    private String name;  \n    private Integer age;  \n    private Date birthday;  \n    private String email;\n}\n\nimport java.io.IOException;  \nimport java.text.ParseException;  \nimport java.text.SimpleDateFormat;  \n  \nimport com.fasterxml.jackson.databind.ObjectMapper;  \n  \npublic class JacksonDemo {\n        User user = new User();  \n        user.setName(\"\u5c0f\u6c11\");   \n        user.setEmail(\"xiaomin@sina.com\");  \n        user.setAge(20);  \n          \n        SimpleDateFormat dateformat = new SimpleDateFormat(\"yyyy-MM-dd\");  \n        user.setBirthday(dateformat.parse(\"1996-10-01\"));  \n        ObjectMapper mapper = new ObjectMapper();  \n          \n        \/\/User\u7c7b\u8f6cJSON  \uff1a \u5e8f\u5217\u5316\u4e3aJSON\u5b57\u7b26\u4e32\u5e8f\u5217\n        \/\/\u8f93\u51fa\u7ed3\u679c\uff1a{\"name\":\"\u5c0f\u6c11\",\"age\":20,\"birthday\":844099200000,\"email\":\"xiaomin@sina.com\"}  \n        String json = mapper.writeValueAsString(user);  \n        System.out.println(json);  \n          \n        \/\/Java\u96c6\u5408\u8f6cJSON  \n        \/\/\u8f93\u51fa\u7ed3\u679c\uff1a[{\"name\":\"\u5c0f\u6c11\",\"age\":20,\"birthday\":844099200000,\"email\":\"xiaomin@sina.com\"}]  \n        List&lt;User> users = new ArrayList&lt;User>();  \n        users.add(user);  \n        String jsonlist = mapper.writeValueAsString(users);  \n        System.out.println(jsonlist);  \n       }\n\n    }  \n<\/pre>\n\n\n\n<ul><li>JSON\u8f6cJava\u7c7b[JSON\u53cd\u5e8f\u5217\u5316]<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import java.io.IOException;  \nimport java.text.ParseException;  \nimport com.fasterxml.jackson.databind.ObjectMapper;  \n  \npublic class JacksonDemo {  \n    public static void main(String[] args) throws ParseException, IOException {  \n        String json = \"{\\\"name\\\":\\\"\u5c0f\u6c11\\\",\\\"age\\\":20,\\\"birthday\\\":844099200000,\\\"email\\\":\\\"xiaomin@sina.com\\\"}\";  \n          \n        \/** \n         * ObjectMapper\u652f\u6301\u4ecebyte[]\u3001File\u3001InputStream\u3001\u5b57\u7b26\u4e32\u7b49\u6570\u636e\u7684JSON\u53cd\u5e8f\u5217\u5316\u3002 \n         *\/  \n        ObjectMapper mapper = new ObjectMapper();  \n        User user = mapper.readValue(json, User.class);  \n        System.out.println(user);  \n    }  \n} <\/pre>\n\n\n\n<ul><li>\u5b57\u7b26\u4e32\u6570\u7ec4\u5e8f\u5217\u5316 \u548c\u53cd\u5e8f\u5217\u5316 \uff1a<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import com.fasterxml.jackson.databind.ObjectMapper;\n\nObjectMapper objectMapper = new ObjectMapper();\nString[] originStrArray = {\"a\", \"b\",\"b\"};\n\/\/ json \u5e8f\u5217\u5316\u4e3ajson\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u5e8f\u5217\nString  str = objectMapper.writeValueAsString(originStrArray);\nSystem.out.println(str);\n\n\/\/ \u53cd\u5e8f\u5217\u5316\u4e3a\u5b57\u7b26\u4e32\u6570\u7ec4\nString[] originStrArray  = objectMapper.readValue(strArray, String[].class);\nSystem.out.println(originStrArray.length);\n<\/pre>\n\n\n\n<p><strong>\u5982\u4f55\u4fdd\u8bc1\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u540e\u7684\u5bf9\u8c61\u4e00\u81f4\uff1f<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5bf9\u4e8e\u8fd9\u4e2a\u95ee\u9898\u6211\u5728\u67e5\u9605\u4e86\u4e00\u4e9b\u8d44\u6599\u4e4b\u540e\uff0c\u53d1\u73b0\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u4e4b\u540e\u7684\u5bf9\u8c61\u662f\u4e00\u81f4\u7684\uff0c\u56e0\u4e3a\u6211\u4eec\u5728\u53cd\u5e8f\u5217\u5316\u7684\u8fc7\u7a0b\u4e2d\uff0c\u662f\u5148\u521b\u5efa\u4e00\u4e2a\u5bf9\u8c61\uff0c\u7136\u540e\u518d\u901a\u8fc7\u5bf9\u5bf9\u8c61\u8fdb\u884c\u8d4b\u503c\u6765\u5b8c\u6210\u5bf9\u8c61\u7684\u53cd\u5e8f\u5217\u5316\uff0c\u8fd9\u6837\u95ee\u9898\u5c31\u6765\u4e86\uff0c\u5728\u521b\u5efa\u4e86\u4e00\u4e2a\u65b0\u7684\u5bf9\u8c61\u4e4b\u540e\uff0c\u5bf9\u8c61\u5f15\u7528\u548c\u539f\u672c\u7684\u5bf9\u8c61\u5e76\u4e0d\u662f\u6307\u5411\u540c\u4e00\u4e2a\u76ee\u6807\u3002\u56e0\u6b64\u6211\u4eec\u53ea\u80fd\u4fdd\u8bc1\u4ed6\u4eec\u7684\u6570\u636e\u548c\u7248\u672c\u4e00\u81f4\uff0c\u5e76\u4e0d\u80fd\u4fdd\u8bc1\u5bf9\u8c61\u4e00\u81f4\u3002<\/p>\n\n\n\n<p><strong>\u5e8f\u5217\u5316\u7684\u6ce8\u610f\u4e8b\u9879<\/strong><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5e8f\u5217\u5316\u4f7f\u5176\u4ed6\u4ee3\u7801\u53ef\u4ee5\u67e5\u770b\u6216\u4fee\u6539\u90a3\u4e9b\u4e0d\u5e8f\u5217\u5316\u4fbf\u65e0\u6cd5\u8bbf\u95ee\u7684\u5bf9\u8c61\u5b9e\u4f8b\u6570\u636e\u3002\u56e0\u6b64\uff0c\u4ee3\u7801\u6267\u884c\u5e8f\u5217\u5316\u9700\u8981\u7279\u6b8a\u7684\u6743\u9650\uff1a\u5373\u6307\u5b9a\u4e86 SerializationFormatter \u6807\u5fd7\u7684 SecurityPermission\u3002\u5728\u9ed8\u8ba4\u7b56\u7565\u4e0b\uff0c\u901a\u8fc7 Internet \u4e0b\u8f7d\u7684\u4ee3\u7801\u6216 Internet \u4ee3\u7801\u4e0d\u4f1a\u6388\u4e88\u8be5\u6743\u9650\uff1b\u53ea\u6709\u672c\u5730\u8ba1\u7b97\u673a\u4e0a\u7684\u4ee3\u7801\u624d\u88ab\u6388\u4e88\u8be5\u6743\u9650\u3002<\/p>\n\n\n\n<p>\u901a\u5e38\uff0c\u5bf9\u8c61\u5b9e\u4f8b\u7684\u6240\u6709\u5b57\u6bb5\u90fd\u4f1a\u88ab\u5e8f\u5217\u5316\uff0c\u8fd9\u610f\u5473\u7740\u6570\u636e\u4f1a\u88ab\u8868\u793a\u4e3a\u5b9e\u4f8b\u7684\u5e8f\u5217\u5316\u6570\u636e\u3002\u8fd9\u6837\uff0c\u80fd\u591f\u89e3\u91ca\u8be5\u683c\u5f0f\u7684\u4ee3\u7801\u6709\u53ef\u80fd\u80fd\u591f\u786e\u5b9a\u8fd9\u4e9b\u6570\u636e\u7684\u503c\uff0c\u800c\u4e0d\u4f9d\u8d56\u4e8e\u8be5\u6210\u5458\u7684\u53ef\u8bbf\u95ee\u6027\u3002\u7c7b\u4f3c\u5730\uff0c\u53cd\u5e8f\u5217\u5316\u4ece\u5e8f\u5217\u5316\u7684\u8868\u793a\u5f62\u5f0f\u4e2d\u63d0\u53d6\u6570\u636e\uff0c\u5e76\u76f4\u63a5\u8bbe\u7f6e\u5bf9\u8c61\u72b6\u6001\uff0c\u8fd9\u4e5f\u4e0e\u53ef\u8bbf\u95ee\u6027\u89c4\u5219\u65e0\u5173\u3002<\/p>\n\n\n\n<p>\u5bf9\u4e8e\u4efb\u4f55\u53ef\u80fd\u5305\u542b\u91cd\u8981\u7684\u5b89\u5168\u6027\u6570\u636e\u7684\u5bf9\u8c61\uff0c\u5982\u679c\u53ef\u80fd\uff0c\u5e94\u8be5\u4f7f\u8be5\u5bf9\u8c61\u4e0d\u53ef\u5e8f\u5217\u5316\u3002\u5982\u679c\u5b83\u5fc5\u987b\u4e3a\u53ef\u5e8f\u5217\u5316\u7684\uff0c\u8bf7\u5c1d\u8bd5\u751f\u6210\u7279\u5b9a\u5b57\u6bb5\u6765\u4fdd\u5b58\u4e0d\u53ef\u5e8f\u5217\u5316\u7684\u91cd\u8981\u6570\u636e\u3002\u5982\u679c\u65e0\u6cd5\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u5219\u5e94\u6ce8\u610f\u8be5\u6570\u636e\u4f1a\u88ab\u516c\u5f00\u7ed9\u4efb\u4f55\u62e5\u6709\u5e8f\u5217\u5316\u6743\u9650\u7684\u4ee3\u7801\uff0c\u5e76\u786e\u4fdd\u4e0d\u8ba9\u4efb\u4f55\u6076\u610f\u4ee3\u7801\u83b7\u5f97\u8be5\u6743\u9650\u3002<\/p>\n\n\n\n<p>\u53cd\u5e8f\u5217\u5316\u662f\u4e00\u7cfb\u5217\u5b89\u5168\u95ee\u9898\u7684\u6839\u6e90\uff1a\u653b\u51fb\u8005\u80fd\u591f\u5c06\u6076\u610f\u6570\u636e\u5e8f\u5217\u5316\u5e76\u5b58\u50a8\u5230\u6570\u636e\u5e93\u6216\u5185\u5b58\u4e2d\uff0c\u5f53\u5e94\u7528\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u5e94\u7528\u4f1a\u6267\u884c\u5230\u6076\u610f\u4ee3\u7801\u3002<\/p>\n\n\n\n<ul><li>\u5bf9\u5e8f\u5217\u5316\u5bf9\u8c61\u6267\u884c\u5b8c\u6574\u6027\u68c0\u67e5\u6216\u52a0\u5bc6\uff0c\u4ee5\u9632\u6b62\u6076\u610f\u5bf9\u8c61\u521b\u5efa\u6216\u6570\u636e\u7be1\u6539\uff1b\u6700\u5e38\u89c1\u7684\u4f8b\u5b50\u4e4b\u4e00\u5c31\u662fJWT:JWT\u75313\u90e8\u5206\u7ec4\u6210\uff1aHeader\uff0cPayload\uff0cVerify Signature\uff0c\u6700\u540e\u7684\u7b7e\u540d\u90e8\u5206\u5176\u5b9e\u5c31\u662f\u5bf9\u6570\u636e\u8fdb\u884c\u5b8c\u6574\u6027\u6821\u9a8c\u7684\u5173\u952e\u90e8\u5206\uff0c\u7528secret\u5bf9\u6570\u636e\u90e8\u5206\u8fdb\u884c\u54c8\u5e0c\u8ba1\u7b97\uff0c\u968f\u540e\u68c0\u67e5\u8ba1\u7b97\u51fa\u6765\u7684\u54c8\u5e0c\u503c\u662f\u5426\u548c\u8bf7\u6c42\u4e2d\u7684JWT\u7b7e\u540d\u90e8\u5206\u7684\u54c8\u5e0c\u503c\u76f8\u540c\u3002\u82e5\u4e24\u8005\u4e00\u81f4\u5219\u8ba4\u4e3a\u6570\u636e\u5b8c\u6574\u6027\u6ca1\u6709\u88ab\u7834\u574f\uff0c\u82e5\u4e24\u8005\u6709\u5dee\u5f02\u5219\u8bf4\u660e\u6570\u636e\u88ab\u4fee\u6539\u8fc7\u3002<\/li><\/ul>\n\n\n\n<ul><li>\u5728\u521b\u5efa\u5bf9\u8c61\u4e4b\u524d\u5f3a\u5236\u6267\u884c\u4e25\u683c\u7684\u7c7b\u578b\u7ea6\u675f\u3002<\/li><\/ul>\n\n\n\n<ul><li>\u9694\u79bb\u53cd\u5e8f\u5217\u5316\u7684\u4ee3\u7801\uff0c\u4f7f\u5176\u5728\u975e\u5e38\u4f4e\u7684\u7279\u6743\u73af\u5883\u4e2d\u8fd0\u884c\u3002<\/li><\/ul>\n\n\n\n<ul><li>\u8bb0\u5f55\u53cd\u5e8f\u5217\u5316\u7684\u4f8b\u5916\u60c5\u51b5\u548c\u5931\u8d25\u4fe1\u606f\uff0c\u5982\uff1a\u4f20\u5165\u7684\u7c7b\u578b\u4e0d\u662f\u9884\u671f\u7684\u7c7b\u578b\uff0c\u6216\u8005\u53cd\u5e8f\u5217\u5904\u7406\u5f15\u53d1\u7684\u4f8b\u5916\u60c5\u51b5\u3002<\/li><\/ul>\n\n\n\n<ul><li>\u9650\u5236\u6216\u76d1\u89c6\u6765\u81ea\u4e8e\u5bb9\u5668\u6216\u670d\u52a1\u5668\u4f20\u5165\u548c\u4f20\u51fa\u7684\u53cd\u5e8f\u5217\u5316\u7f51\u7edc\u8fde\u63a5\u3002<\/li><\/ul>\n\n\n\n<ul><li>\u76d1\u89c6\u53cd\u5e8f\u5217\u5316\u884c\u4e3a\uff0c\u5f53\u7528\u6237\u6301\u7eed\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u65f6\uff0c\u5bf9\u7528\u6237\u8fdb\u884c\u8b66\u544a\u3002<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5176\u5b9e\u4f5c\u4e3a\u4e00\u540d\u7a0b\u5e8f\u5458\uff0c\u5fc5\u987b\u8981\u77e5\u9053\u5e8f\u5217\u5316\u548c \u53cd\u5e8f\u5217\u5316 \u7684\u6982\u5ff5\uff0c\u56e0\u4e3a\u5b83\u662f\u5728\u5de5\u4f5c\u4e2d\u975e\u5e38\u5e38\u89c1\u7684\u6982\u5ff5\u3002 \u4ec0\u4e48\u662f\u5e8f\u5217\u5316\uff1f\u53cd\u5e8f [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/12835"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12835"}],"version-history":[{"count":4,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/12835\/revisions"}],"predecessor-version":[{"id":12839,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/12835\/revisions\/12839"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12835"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12835"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12835"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}