{"id":66268,"date":"2025-05-03T16:21:23","date_gmt":"2025-05-03T08:21:23","guid":{"rendered":"https:\/\/fwq.ai\/blog\/66268\/"},"modified":"2025-05-03T16:21:23","modified_gmt":"2025-05-03T08:21:23","slug":"java-%e6%80%8e%e4%b9%88%e5%ae%9a%e4%b9%89json%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%95%b0%e7%bb%84-2","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/66268\/","title":{"rendered":"java \u600e\u4e48\u5b9a\u4e49json\u5b57\u7b26\u4e32\u6570\u7ec4"},"content":{"rendered":"

\n \u5728 java \u4e2d\uff0c\u5b9a\u4e49 json \u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 gson \u6216 jackson \u5e93\u3002\u4f7f\u7528 gson \u5e93\uff0c\u53ef\u521b\u5efa jsonarray \u5bf9\u8c61\u5e76\u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u4f7f\u7528 jackson \u5e93\uff0c\u53ef\u4f7f\u7528 objectmapper \u521b\u5efa arraynode \u6570\u7ec4\u5e76\u6dfb\u52a0\u5143\u7d20\u3002\u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u4f7f\u7528 gson \u5e93\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8fc7\u7a0b\u3002\n<\/p><\/blockquote>\n

\"java<\/p>\n

\u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 JSON <\/strong><\/p>\n

\u5728 JSON \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u8868\u793a\u4e3a\u5305\u542b\u5b57\u7b26\u4e32\u5143\u7d20\u7684\u6709\u5e8f\u5217\u8868\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u5e93\u6765\u89e3\u6790\u548c\u64cd\u4f5c JSON\uff0c\u5305\u62ec Gson \u548c Jackson\u3002<\/p>\n

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

Gson \u5e93\u63d0\u4f9b\u4e86 JsonArray \u7c7b\u6765\u8868\u793a JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a JSON \u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n

\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n

    \n
  1. \n

    \u521b\u5efa\u4e00\u4e2a JsonArray \u5bf9\u8c61\uff1a<\/p>\n

    JsonArray jsonArray = new JsonArray();<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  2. \n
    \u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\uff1a<\/p>\n
    jsonArray.add(\"\u5143\u7d20 1\");\njsonArray.add(\"\u5143\u7d20 2\");\njsonArray.add(\"\u5143\u7d20 3\");<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n
    \u4f7f\u7528 Jackson<\/strong><\/p>\n
    Jackson \u5e93\u63d0\u4f9b\u4e86 ObjectMapper \u7c7b\u6765\u5904\u7406 JSON \u6570\u636e\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a JSON \u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n
      \n
    1. \n
      \u521b\u5efa\u4e00\u4e2a ObjectMapper \u5bf9\u8c61\uff1a<\/p>\n
      ObjectMapper objectMapper = new ObjectMapper();<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
    2. \n
      \u4f7f\u7528 createArrayNode() \u65b9\u6cd5\u521b\u5efa\u4e00\u4e2a JSON \u6570\u7ec4\uff1a<\/p>\n
      ArrayNode jsonArray = objectMapper.createArrayNode();<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
    3. \n
      \u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\uff1a<\/p>\n
      jsonArray.add(\"\u5143\u7d20 1\");\njsonArray.add(\"\u5143\u7d20 2\");\njsonArray.add(\"\u5143\u7d20 3\");<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 \u767b\u5f55\u540e\u590d\u5236 <\/li>\n<\/ol>\n
      \u793a\u4f8b\u4ee3\u7801<\/strong><\/p>\n
      \u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528 Gson \u5e93\u5b9a\u4e49 JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
      Gson gson = new Gson();\n\nJsonArray jsonArray = new JsonArray();\njsonArray.add(\"\u5143\u7d20 1\");\njsonArray.add(\"\u5143\u7d20 2\");\njsonArray.add(\"\u5143\u7d20 3\");\n\nString jsonString = gson.toJson(jsonArray);\n\nSystem.out.println(jsonString);<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u8f93\u51fa\uff1a<\/p>\n
      [\"\u5143\u7d20 1\", \"\u5143\u7d20 2\", \"\u5143\u7d20 3\"]<\/pre>\n
       \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
      \u4ee5\u4e0a\u5c31\u662fjava \u600e\u4e48\u5b9a\u4e49json\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8IDCBABY\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
      \u5728 java \u4e2d\uff0c\u5b9a\u4e49 json \u5b57\u7b26\u4e32\u6570\u7ec4\u53ef\u4ee5\u4f7f\u7528 gson \u6216 jackson \u5e93\u3002\u4f7f\u7528 gson \u5e93\uff0c\u53ef\u521b\u5efa jsonarray \u5bf9\u8c61\u5e76\u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\u3002\u4f7f\u7528 jackson \u5e93\uff0c\u53ef\u4f7f\u7528 objectmapper \u521b\u5efa arraynode \u6570\u7ec4\u5e76\u6dfb\u52a0\u5143\u7d20\u3002\u793a\u4f8b\u4ee3\u7801\u5c55\u793a\u4e86\u4f7f\u7528 gson \u5e93\u5b9a\u4e49\u5b57\u7b26\u4e32\u6570\u7ec4\u7684\u8fc7\u7a0b\u3002 \u5982\u4f55\u5728 Java \u4e2d\u5b9a\u4e49 JSON \u5728 JSON \u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u7ec4\u8868\u793a\u4e3a\u5305\u542b\u5b57\u7b26\u4e32\u5143\u7d20\u7684\u6709\u5e8f\u5217\u8868\u3002\u5728 Java \u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5404\u79cd\u5e93\u6765\u89e3\u6790\u548c\u64cd\u4f5c JSON\uff0c\u5305\u62ec Gson \u548c Jackson\u3002 \u4f7f\u7528 Gson Gson \u5e93\u63d0\u4f9b\u4e86 JsonArray \u7c7b\u6765\u8868\u793a JSON \u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u8981\u5b9a\u4e49\u4e00\u4e2a JSON \u5b57\u7b26\u4e32\u6570\u7ec4\uff0c\u53ef\u4ee5\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u521b\u5efa\u4e00\u4e2a JsonArray \u5bf9\u8c61\uff1a JsonArray jsonArray = new JsonArray(); \u767b\u5f55\u540e\u590d\u5236 \u6dfb\u52a0\u5b57\u7b26\u4e32\u5143\u7d20\uff1a […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[16],"tags":[],"class_list":["post-66268","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66268","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=66268"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/66268\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=66268"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=66268"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=66268"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}