{"id":203647,"date":"2025-05-22T13:23:25","date_gmt":"2025-05-22T05:23:25","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203647\/"},"modified":"2025-05-22T13:23:25","modified_gmt":"2025-05-22T05:23:25","slug":"%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3-fastjson-%e8%a7%a3%e6%9e%90-2m-%e5%a4%a7%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8a%a5%e9%94%99%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203647\/","title":{"rendered":"\u5982\u4f55\u89e3\u51b3 FastJson \u89e3\u6790 2M \u5927\u5b57\u7b26\u4e32\u62a5\u9519\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u89e3\u51b3 FastJson \u89e3\u6790 2M \u5927\u5b57\u7b26\u4e32\u62a5\u9519\uff1f<\/h1>\n

\u6700\u8fd1\u53d1\u73b0\u4e0d\u5c11\u5c0f\u4f19\u4f34\u90fd\u5bf9\u6587\u7ae0<\/span>\u5f88\u611f\u5174\u8da3\uff0c\u6240\u4ee5\u4eca\u5929\u7ee7\u7eed\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u6587\u7ae0<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\uff0c\u672c\u6587\u300a\u5982\u4f55\u89e3\u51b3 FastJson \u89e3\u6790 2M \u5927\u5b57\u7b26\u4e32\u62a5\u9519\uff1f\u300b<\/span>\u4e3b\u8981\u5185\u5bb9\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff01\u5f53\u7136\u5982\u679c\u9605\u8bfb\u672c\u6587\u65f6\u5b58\u5728\u4e0d\u540c\u60f3\u6cd5\uff0c\u53ef\u4ee5\u5728\u8bc4\u8bba\u4e2d\u8868\u8fbe\uff0c\u4f46\u662f\u8bf7\u52ff\u4f7f\u7528\u8fc7\u6fc0\u7684\u63aa\u8f9e~<\/p>\n

<\/p>\n

\u89e3\u51b3 fastjson \u89e3\u6790 2m \u5927\u5b57\u7b26\u4e32\u62a5\u9519<\/strong><\/p>\n

\u5728\u4f7f\u7528 fastjson \u7684 parseobject() \u65b9\u6cd5\u89e3\u6790 2m \u5927\u7684\u5b57\u7b26\u4e32\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u9519\u8bef\u3002\u5bf9\u4e8e\u8fd9\u79cd\u60c5\u51b5\uff0c\u53ef\u4ee5\u8003\u8651\u4ee5\u4e0b\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n

\u4f7f\u7528 jackson<\/strong><\/p>\n

\u76ee\u524d\uff0c\u8f83\u591a\u7684\u516c\u53f8\u5df2\u7ecf\u5c06 json \u89e3\u6790\u5de5\u5177\u4ece fastjson \u8fc1\u79fb\u81f3 jackson \u4e2d\u3002jackson \u662f\u4e00\u4e2a\u9ad8\u6027\u80fd\u3001\u529f\u80fd\u9f50\u5168\u7684 java json \u89e3\u6790\u5e93\uff0c\u652f\u6301\u5904\u7406\u5927\u5b57\u7b26\u4e32\u3002<\/p>\n

\u4f7f\u7528\u793a\u4f8b\uff1a<\/p>\n

objectmapper mapper = new objectmapper();\njsonnode rootnode = mapper.readtree(jsonstring);<\/pre>\n
\u8c03\u6574 fastjson \u8bbe\u7f6e<\/strong><\/p>\n
\u5982\u679c\u65e0\u6cd5\u8fc1\u79fb\u5230\u5176\u4ed6\u5de5\u5177\uff0c\u5219\u53ef\u4ee5\u5c1d\u8bd5\u8c03\u6574 fastjson \u7684\u8bbe\u7f6e\u4ee5\u63d0\u9ad8\u5176\u89e3\u6790\u6027\u80fd\uff1a<\/p>\n
json.default_parser_feature.getfeatures().put(feature.allow_unquoted_field_names, true);\njson.default_parser_feature.getfeatures().put(feature.allow_single_quotes, true);\njson.default_parser_feature.getfeatures().put(feature.allow_comments, true);\njson.default_parser_feature.getfeatures().put(feature.auto_close_source, true);<\/pre>\n
\u51cf\u5c11\u5b57\u7b26\u4e32\u5927\u5c0f<\/strong><\/p>\n
\u5982\u679c\u53ef\u80fd\uff0c\u53ef\u4ee5\u8003\u8651\u51cf\u5c11\u5b57\u7b26\u4e32\u7684\u5927\u5c0f\u3002\u4f8b\u5982\uff0c\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u7a7a\u767d\u5b57\u7b26\u6216\u4e0d\u5fc5\u8981\u7684\u6ce8\u91ca\u79fb\u9664\u3002<\/p>\n
\u4f7f\u7528\u6d41\u5f0f\u89e3\u6790<\/strong><\/p>\n
\u5bf9\u4e8e\u7279\u522b\u5927\u7684\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u6d41\u5f0f\u89e3\u6790\u7684\u65b9\u6cd5\uff0c\u5c06\u5b57\u7b26\u4e32\u5206\u6279\u6b21\u89e3\u6790\u3002<\/p>\n
fastjson \u793a\u4f8b\uff1a<\/p>\n
InputStream is = new FileInputStream(file);\nJSONReader reader = new JSONReader(is);\nJSONToken token = reader.startArray();\nwhile (token != JSONToken.END_ARRAY) {\n    Object value = reader.readObject(Object.class);\n    ...\n    token = reader.nextToken();\n}\nreader.endArray();<\/pre>\n
\u5176\u4ed6 json \u5de5\u5177<\/strong><\/p>\n
\u9664\u4e86 fastjson \u548c jackson \u4e4b\u5916\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u53ef\u4f9b\u9009\u62e9\u7684 json \u89e3\u6790\u5de5\u5177\uff1a<\/p>\n
    \n
  • gson<\/li>\n
  • moshi<\/li>\n
  • smile<\/li>\n<\/ul>\n
    \u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u89e3\u51b3 FastJson \u89e3\u6790 2M \u5927\u5b57\u7b26\u4e32\u62a5\u9519\uff1f\u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03\u6587\u7ae0\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5982\u4f55\u89e3\u51b3 FastJson \u89e3\u6790...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203647","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203647","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203647"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203647\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203647"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203647"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203647"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}