{"id":2980,"date":"2024-11-10T13:27:19","date_gmt":"2024-11-10T05:27:19","guid":{"rendered":"https:\/\/fwq.ai\/blog\/2980\/"},"modified":"2024-11-10T13:27:19","modified_gmt":"2024-11-10T05:27:19","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-javascript-%e9%81%8d%e5%8e%86-json-%e6%95%b0%e7%bb%84%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/2980\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528 JavaScript \u904d\u5386 JSON \u6570\u7ec4\uff1f"},"content":{"rendered":"

\"\u5982\u4f55\u4f7f\u7528<\/p>\n

\u5728 javascript \u4e2d\u904d\u5386 json \u6570\u7ec4<\/strong><\/p>\n

\u5728\u5904\u7406 json \u6570\u636e\u65f6\uff0c\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u6307\u5bfc\u60a8\u4f7f\u7528 javascript \u904d\u5386 json \u6570\u7ec4\uff0c\u4ece\u800c\u8bbf\u95ee\u548c\u5904\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002<\/p>\n

\u5728\u60a8\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5df2\u901a\u8fc7 eval() \u51fd\u6570\u89e3\u6790\u4e86 info.filelist \u4e2d\u7684 json \u5b57\u7b26\u4e32\u3002\u8981\u904d\u5386\u8fd9\u4e2a json \u6570\u7ec4\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a<\/p>\n

    \n
  1. \n

    \u5c06 json \u4e3a\u4e00\u4e2a\u6570\u7ec4\uff1a<\/p>\n

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

    var data = json.parse(info.filelist);<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/li>\n
  2. \n
    \u4f7f\u7528 for…of \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a<\/p>\n
    for (var item of data) {\n  console.log(item);\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u8fd9\u6837\u505a\u4f1a\u5728\u63a7\u5236\u53f0\u4e2d\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002<\/p>\n<\/li>\n<\/ol>\n
    \u5982\u679c\u60a8\u5e0c\u671b\u8bbf\u95ee json \u5bf9\u8c61\u4e2d\u7684\u7279\u5b9a\u5c5e\u6027\uff0c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26\u6216\u65b9\u62ec\u53f7\u8fd0\u7b97\u7b26\uff1a<\/p>\n
    for (var item of data) {\n  console.log(item.name); \/\/ \u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26\u8bbf\u95ee \"name\" \u5c5e\u6027\n  console.log(item['email']); \/\/ \u4f7f\u7528\u65b9\u62ec\u53f7\u8fd0\u7b97\u7b26\u8bbf\u95ee \"email\" \u5c5e\u6027\n}<\/pre>\n
     \u767b\u5f55\u540e\u590d\u5236 <\/p>\n
    \u901a\u8fc7\u9075\u5faa\u8fd9\u4e9b\u6b65\u9aa4\uff0c\u60a8\u5c06\u80fd\u591f\u8f7b\u677e\u904d\u5386\u4efb\u4f55 json \u6570\u7ec4\uff0c\u4ece\u800c\u63d0\u53d6\u548c\u5904\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u5982\u4f55\u4f7f\u7528 JavaScript \u904d\u5386 JSON \u6570\u7ec4\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728 javascript \u4e2d\u904d\u5386 json \u6570\u7ec4 \u5728\u5904\u7406 json \u6570\u636e\u65f6\uff0c\u904d\u5386\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u81f3\u5173\u91cd\u8981\u3002\u672c\u6587\u5c06\u6307\u5bfc\u60a8\u4f7f\u7528 javascript \u904d\u5386 json \u6570\u7ec4\uff0c\u4ece\u800c\u8bbf\u95ee\u548c\u5904\u7406\u5176\u4e2d\u7684\u6570\u636e\u3002 \u5728\u60a8\u7684\u4ee3\u7801\u793a\u4f8b\u4e2d\uff0c\u5df2\u901a\u8fc7 eval() \u51fd\u6570\u89e3\u6790\u4e86 info.filelist \u4e2d\u7684 json \u5b57\u7b26\u4e32\u3002\u8981\u904d\u5386\u8fd9\u4e2a json \u6570\u7ec4\uff0c\u8bf7\u6267\u884c\u4ee5\u4e0b\u6b65\u9aa4\uff1a \u5c06 json \u4e3a\u4e00\u4e2a\u6570\u7ec4\uff1a \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b var data = json.parse(info.filelist); \u767b\u5f55\u540e\u590d\u5236 \u4f7f\u7528 for…of \u5faa\u73af\u904d\u5386\u6570\u7ec4\uff1a for (var item of data) { console.log(item); } \u767b\u5f55\u540e\u590d\u5236 \u8fd9\u6837\u505a\u4f1a\u5728\u63a7\u5236\u53f0\u4e2d\u6253\u5370\u6570\u7ec4\u4e2d\u7684\u6bcf\u4e2a\u5143\u7d20\u3002 \u5982\u679c\u60a8\u5e0c\u671b\u8bbf\u95ee json \u5bf9\u8c61\u4e2d\u7684\u7279\u5b9a\u5c5e\u6027\uff0c\u53ef\u4ee5\u5728\u5faa\u73af\u4e2d\u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26\u6216\u65b9\u62ec\u53f7\u8fd0\u7b97\u7b26\uff1a for (var item of data) { console.log(item.name); \/\/ \u4f7f\u7528\u70b9\u8fd0\u7b97\u7b26\u8bbf\u95ee […]<\/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-2980","post","type-post","status-publish","format-standard","hentry","category-16"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2980","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=2980"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/2980\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=2980"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=2980"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=2980"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}