JSON\u5b9a\u4e49<\/p>\n
JSON(JavaScript Object Notation) \u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u6613\u4e8e\u9605\u8bfb\u548c\u7f16\u5199\uff0c\u540c\u65f6\u4e5f\u6613\u4e8e\u673a\u5668\u89e3\u6790\u548c\u751f\u6210\u3002\u5b83\u57fa\u4e8eECMA262\u8bed\u8a00\u89c4\u8303\uff081999-12\u7b2c\u4e09\u7248\uff09\u4e2dJavaScript\u7f16\u7a0b\u8bed\u8a00\u7684\u4e00\u4e2a\u5b50\u96c6\u3002 JSON\u91c7\u7528\u4e0e\u7f16\u7a0b\u8bed\u8a00\u65e0\u5173\u7684\u6587\u672c\u683c\u5f0f\uff0c\u4f46\u662f\u4e5f\u4f7f\u7528\u4e86\u7c7bC\u8bed\u8a00\uff08\u5305\u62ecC\uff0c C++\uff0c C#\uff0c Java\uff0c JavaScript\uff0c Perl\uff0c Python\u7b49\uff09\u7684\u4e60\u60ef\uff0c\u8fd9\u4e9b\u7279\u6027\u4f7fJSON\u6210\u4e3a\u7406\u60f3\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\u3002<\/p>\n
JSON\u7684\u7ed3\u6784\u57fa\u4e8e\u4e0b\u9762\u4e24\u70b9<\/p>\n
1. “\u540d\u79f0\/\u503c”\u5bf9\u7684\u96c6\u5408 \u4e0d\u540c\u8bed\u8a00\u4e2d\uff0c\u5b83\u88ab\u7406\u89e3\u4e3a\u5bf9\u8c61(object)\uff0c\u8bb0\u5f55(record)\uff0c\u7ed3\u6784(struct)\uff0c\u5b57\u5178(dictionary)\uff0c\u54c8\u5e0c\u8868(hash table)\uff0c\u952e\u5217\u8868(keyed list)\u7b49
\n2. \u503c\u7684\u6709\u5e8f\u5217\u8868 \u591a\u6570\u8bed\u8a00\u4e2d\u88ab\u7406\u89e3\u4e3a\u6570\u7ec4(array)<\/p>\n
JSON\u4f7f\u7528\uff1a<\/p>\n
JSON\u4ee5\u4e00\u79cd\u7279\u5b9a\u7684\u5b57\u7b26\u4e32\u5f62\u5f0f\u6765\u8868\u793a JavaScript \u5bf9\u8c61\u3002\u5982\u679c\u5c06\u5177\u6709\u8fd9\u6837\u4e00\u79cd\u5f62\u5f0f\u7684\u5b57\u7b26\u4e32\u8d4b\u7ed9\u4efb\u610f\u4e00\u4e2a JavaScript \u53d8\u91cf\uff0c\u90a3\u4e48\u8be5\u53d8\u91cf\u4f1a\u53d8\u6210\u4e00\u4e2a\u5bf9\u8c61\u5f15\u7528\uff0c\u800c\u8fd9\u4e2a\u5bf9\u8c61\u5c31\u662f\u5b57\u7b26\u4e32\u6240\u6784\u5efa\u51fa\u6765\u7684\uff0c\u597d\u50cf\u6709\u70b9\u62d7\u53e3\uff0c\u6211\u4eec\u8fd8\u662f\u7528\u5b9e\u4f8b\u6765\u8bf4\u660e\u3002 \u8fd9\u91cc\u5047\u8bbe\u6211\u4eec\u9700\u8981\u521b\u5efa\u4e00\u4e2aUser\u5bf9\u8c61\uff0c\u5e76\u5177\u6709\u4ee5\u4e0b\u5c5e\u6027<\/p>\n
\u7528\u6237ID
\n\u7528\u6237\u540d
\n\u7528\u6237Email<\/p>\n
\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bJSON\u5f62\u5f0f\u6765\u8868\u793aUser\u5bf9\u8c61\uff1a<\/p>\n
\r\n{"UserID":11, "Name":"Truly", "Email":"zhuleipro\u25cehotmail.com"};\r\n<\/pre>\n\u7136\u540e\u5982\u679c\u628a\u8fd9\u4e00\u5b57\u7b26\u4e32\u8d4b\u4e88\u4e00\u4e2aJavaScript\u53d8\u91cf\uff0c\u90a3\u4e48\u5c31\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528\u5bf9\u8c61\u7684\u4efb\u4e00\u5c5e\u6027\u4e86\u3002<\/p>\n
\u5b8c\u6574\u4ee3\u7801:<\/p>\n
\r\n<script>\r\nvar User = {"UserID":11, "Name":"Truly", "Email":"zhuleipro\u25cehotmail.com"};\r\nalert(User.Name);\r\n<\/script>\r\n<\/pre>\n\u5b9e\u9645\u4f7f\u7528\u65f6\u53ef\u80fd\u66f4\u590d\u6742\u4e00\u70b9\uff0c\u6bd4\u5982\u6211\u4eec\u4e3aName\u5b9a\u4e49\u66f4\u8be6\u7ec6\u7684\u7ed3\u6784\uff0c\u4f7f\u5b83\u5177\u6709FirstName\u548cLastName\uff1a<\/p>\n
\r\n{"UserID":11, "Name":{"FirstName":"Truly","LastName":"Zhu"}, "Email":"zhuleipro\u25cehotmail.com"}\r\n<\/pre>\n\u5b8c\u6574\u4ee3\u7801:<\/p>\n
\r\n<script>\r\nvar User = {"UserID":11, "Name":{"FirstName":"Truly","LastName":"Zhu"}, "Email":"zhuleipro\u25cehotmail.com"};\r\nalert(User.Name.FirstName);\r\n<\/script>\r\n<\/pre>\n\u73b0\u5728\u6211\u4eec\u589e\u52a0\u4e00\u4e2a\u65b0\u7684\u9700\u6c42\uff0c\u6211\u4eec\u67d0\u4e2a\u9875\u9762\u9700\u8981\u4e00\u4e2a\u7528\u6237\u5217\u8868\uff0c\u800c\u4e0d\u4ec5\u4ec5\u662f\u4e00\u4e2a\u5355\u4e00\u7684\u7528\u6237\u4fe1\u606f\uff0c\u90a3\u4e48\u8fd9\u91cc\u5c31\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u7528\u6237\u5217\u8868\u6570\u7ec4\u3002
\n\u4e0b\u9762\u4ee3\u7801\u6f14\u793a\u4e86\u4f7f\u7528JSON\u5f62\u5f0f\u5b9a\u4e49\u8fd9\u4e2a\u7528\u6237\u5217\u8868\uff1a<\/p>\n
\r\n[\r\n{"UserID":11, "Name":{"FirstName":"Truly","LastName":"Zhu"}, "Email":"zhuleipro\u25cehotmail.com"},\r\n{"UserID":12, "Name":{"FirstName":"Jeffrey","LastName":"Richter"}, "Email":"xxx\u25cexxx.com"},\r\n{"UserID":13, "Name":{"FirstName":"Scott","LastName":"Gu"}, "Email":"xxx2\u25cexxx2.com"}\r\n]\r\n<\/pre>\n\u5b8c\u6574\u4ee3\u7801:<\/p>\n
\r\n<script>\r\nvar UserList = [\r\n{"UserID":11, "Name":{"FirstName":"Truly","LastName":"Zhu"}, "Email":"zhuleipro\u25cehotmail.com"},\r\n{"UserID":12, "Name":{"FirstName":"Jeffrey","LastName":"Richter"}, "Email":"xxx\u25cexxx.com"},\r\n{"UserID":13, "Name":{"FirstName":"Scott","LastName":"Gu"}, "Email":"xxx2\u25cexxx2.com"}\r\n];\r\nalert(UserList[0].Name.FirstName);\r\n<\/script>\r\n<\/pre>\n\u4e8b\u5b9e\u4e0a\u9664\u4e86\u4f7f\u7528”.”\u5f15\u7528\u5c5e\u6027\u5916\uff0c\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u4e0b\u9762\u8bed\u53e5\uff1a<\/p>\n
\r\nalert(UserList[0]["Name"]["FirstName"]); \u6216\u8005 alert(UserList[0].Name["FirstName"]);\r\n<\/pre>\n\u73b0\u5728\u8bfb\u8005\u5e94\u8be5\u5bf9JSON\u7684\u4f7f\u7528\u6709\u70b9\u8ba4\u8bc6\u4e86\uff0c\u5f52\u7eb3\u4e3a\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n
\u5bf9\u8c61\u662f\u5c5e\u6027\u3001\u503c\u5bf9\u7684\u96c6\u5408\u3002\u4e00\u4e2a\u5bf9\u8c61\u7684\u5f00\u59cb\u4e8e\u201c{\u201d\uff0c\u7ed3\u675f\u4e8e\u201c}\u201d\u3002\u6bcf\u4e00\u4e2a\u5c5e\u6027\u540d\u548c\u503c\u95f4\u7528\u201c:\u201d\u63d0\u793a\uff0c\u5c5e\u6027\u95f4\u7528\u201c,\u201d\u5206\u9694\u3002
\n\u6570\u7ec4\u662f\u6709\u987a\u5e8f\u7684\u503c\u7684\u96c6\u5408\u3002\u4e00\u4e2a\u6570\u7ec4\u5f00\u59cb\u4e8e”[“\uff0c\u7ed3\u675f\u4e8e”]”\uff0c\u503c\u4e4b\u95f4\u7528”,”\u5206\u9694\u3002
\n\u503c\u53ef\u4ee5\u662f\u5f15\u53f7\u91cc\u7684\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001true\u3001false\u3001null\uff0c\u4e5f\u53ef\u4ee5\u662f\u5bf9\u8c61\u6216\u6570\u7ec4\u3002\u8fd9\u4e9b\u7ed3\u6784\u90fd\u80fd\u5d4c\u5957\u3002
\n\u5b57\u7b26\u4e32\u548c\u6570\u5b57\u7684\u5b9a\u4e49\u548cC\u6216Java\u57fa\u672c\u4e00\u81f4\u3002<\/p>\n
\u5c0f\u8282\uff1a<\/p>\n
\u672c\u6587\u901a\u8fc7\u4e00\u4e2a\u5b9e\u4f8b\u6f14\u793a\uff0c\u521d\u6b65\u4e86\u89e3\u4e86JSON \u7684\u5f3a\u5927\u7528\u9014\u3002\u53ef\u4ee5\u5f52\u7ed3\u5982\u4e0b\uff1a<\/p>\n
JSON \u63d0\u4f9b\u4e86\u4e00\u79cd\u4f18\u79c0\u7684\u9762\u5411\u5bf9\u8c61\u7684\u65b9\u6cd5\uff0c\u4ee5\u4fbf\u5c06\u5143\u6570\u636e\u7f13\u5b58\u5230\u5ba2\u6237\u673a\u4e0a\u3002
\nJSON \u5e2e\u52a9\u5206\u79bb\u4e86\u9a8c\u8bc1\u6570\u636e\u548c\u903b\u8f91\u3002
\nJSON \u5e2e\u52a9\u4e3a Web \u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e86 Ajax \u7684\u672c\u8d28\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
JSON\u5b9a\u4e49 JSON(JavaScript Object Notation) \u662f\u4e00\u79cd\u8f7b\u91cf\u7ea7\u7684\u6570\u636e\u4ea4\u6362\u683c\u5f0f\uff0c\u6613 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[],"class_list":["post-573","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/573","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/comments?post=573"}],"version-history":[{"count":1,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/573\/revisions"}],"predecessor-version":[{"id":5267,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/573\/revisions\/5267"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=573"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=573"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=573"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}