{"id":574,"date":"2009-08-12T15:39:00","date_gmt":"2009-08-12T07:39:00","guid":{"rendered":""},"modified":"2013-11-27T20:18:04","modified_gmt":"2013-11-27T12:18:04","slug":"jqueryjson%e5%ae%9e%e4%be%8b","status":"publish","type":"post","link":"https:\/\/kyle.ai\/blog\/574.html","title":{"rendered":"JQuery+JSON\u5b9e\u4f8b"},"content":{"rendered":"

\u51c6\u5907\u5de5\u4f5c\uff1a<\/p>\n

\u9996\u5148\uff0c\u6211\u4eec\u65b0\u5efa\u4e2a\u7f51\u7ad9\uff08.net2.0\u5c31\u884c\uff09.<\/p>\n

1.\u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2djquery\u7684js\u6587\u4ef6\u3002<\/p>\n

2.\u65b0\u5efa\u4e00\u4e2ahtm\u6587\u4ef6\uff0c\u547d\u540d\u4e3adome.htm\u5427\u3002<\/p>\n

\u4ee3\u7801\u5982\u4e0b\uff1a\uff08head\u533a\u7684js\u4ee3\u7801\u5c31\u662f\u5b9e\u73b0\u7684\u5168\u90e8\u4ee3\u7801\uff0c\u6709\u8be6\u7ec6\u6ce8\u91ca\uff09<\/p>\n

\r\n<!DOCTYPE html PUBLIC \u201c-\/\/W3C\/\/DTD XHTML 1.0 Transitional\/\/EN\u201d \u201chttp:\/\/www.w3.org\/TR\/xhtml1\/DTD\/xhtml1-transitional.dtd\u201d>\r\n\r\n<html xmlns=\u201dhttp:\/\/www.w3.org\/1999\/xhtml\u201d>\r\n\r\n<head>\r\n\r\n    <title>jquery\u83b7\u53d6json\u6570\u636e\u6f14\u793a\u9875\u9762<\/title>\r\n\r\n    <script type=\u201dtext\/javascript\u201d src=\u201djs\/jquery-1.2.1.pack.js\u201d><\/script>\r\n\r\n    <script type=\u201dtext\/javascript\u201d>\r\n\r\n    function getData(){\r\n\r\n$(\u201c#list\u201c).html(\u201c\u201d);\/\/\u6e05\u7a7a\u5217\u8868\u4e2d\u7684\u6570\u636e\r\n\r\n   \/\/\u53d1\u9001ajax\u8bf7\u6c42\r\n\r\n     $.getJSON(\r\n\r\n\u201cjsondata.ashx\u201c,\/\/\u4ea7\u751fJSON\u6570\u636e\u7684\u670d\u52a1\u7aef\u9875\u9762\r\n\r\n    {name:\u201ctest\u201c,age:20},\/\/\u5411\u670d\u52a1\u5668\u53d1\u51fa\u7684\u67e5\u8be2\u5b57\u7b26\u4e32\uff08\u6b64\u53c2\u6570\u53ef\u9009\uff09\r\n\r\n   \/\/\u5bf9\u8fd4\u56de\u7684JSON\u6570\u636e\u8fdb\u884c\u5904\u7406\uff0c\u672c\u4f8b\u4ee5\u5217\u8868\u7684\u5f62\u5f0f\u5448\u73b0\r\n\r\n    function(json){\r\n\r\n\/\/\u5faa\u73af\u53d6json\u4e2d\u7684\u6570\u636e,\u5e76\u5448\u73b0\u5728\u5217\u8868\u4e2d\r\n\r\n     $.each(json,function(i){\r\n\r\n$(\u201c#list\u201c).append(\u201c<li>name:\u201c+json[i].name+\u201c&nbsp; Age:\u201c+json[i].age+\u201c<\/li>\u201c)\r\n\r\n})\r\n\r\n})\r\n\r\n}\r\n\r\n    <\/script>\r\n\r\n<\/head>\r\n\r\n<body>\r\n\r\n    <input id=\u201dButton1\u2033 type=\u201dbutton\u201d value=\u201d\u83b7\u53d6\u6570\u636e\u201d onclick=\u201dgetData()\u201d\/>\r\n\r\n   <ul id=\u201dlist\u201d><\/ul>\r\n\r\n<\/body>\r\n\r\n<\/html>\r\n\r\n<\/pre>\n
3.\u6211\u4eec\u518d\u5efa\u4e00\u4e2a\u4e00\u822c\u5e94\u7528\u7a0b\u5e8f\uff08jsonData.ashx\uff09<\/p>\n
\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
\r\n<%@ WebHandler Language=\u201cC#\u201c Class=\u201cjsonData\u201c%>\r\n\r\nusing System;\r\n\r\nusing System.Web;\r\n\r\npublicclass jsonData : IHttpHandler {\r\n\r\npublicvoid ProcessRequest (HttpContext context) {\r\n\r\ncontext.Response.ContentType =\u201ctext\/plain\u201c;\r\n\r\nstring data =\u201c[{name:\\"ants\\",age:24},{name:\\"lele\\",age:23}]\u201c;\/\/\u6784\u5efa\u7684json\u6570\u636e\r\n\r\n\/\/\u4e0b\u9762\u4e24\u53e5\u662f\u7528\u6765\u6d4b\u8bd5\u524d\u53f0\u5411\u6b64\u9875\u9762\u53d1\u51fa\u7684\u67e5\u8be2\u5b57\u7b26\r\n\r\n        string querystrname = context.Request.QueryString.GetValues(\u201cname\u201c)[0];\/\/\u53d6\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2dnamer\u7684\u503c\r\n\r\n        string querystage = context.Request.QueryString.GetValues(\u201cage\u201c)[0];\/\/\u53d6\u67e5\u8be2\u5b57\u7b26\u4e32\u4e2dage\u7684\u503c\r\n\r\ncontext.Response.Write(data);\r\n\r\n}\r\n\r\n    publicbool IsReusable {\r\n\r\nget{\r\n\r\nreturnfalse;\r\n\r\n}\r\n\r\n     }\r\n\r\n}\r\n<\/pre>\n
\u5bf9\u4ee5\u4e0a\u7684\u5185\u5bb9\u6211\u53ea\u8bf4\u4e00\u70b9\uff0c\u90a3\u5c31\u662f\u524d\u53f0\u9875\u9762\u4e2d\u7684$.getJSON\u65b9\u6cd5<\/p>\n
$.getJSON(url, params, callback)<\/p>\n
\u7528\u4e00\u4e2aHTTP GET\u8bf7\u6c42\u4e00\u4e2aJavaScript JSON\u6570\u636e<\/p>\n
\u8fd4\u56de\u503c\uff1aXMLHttpRequest<\/p>\n
\u53c2\u6570\uff1a<\/p>\n
url (String): \u88c5\u5165\u9875\u9762\u7684URL\u5730\u5740\u3002<\/p>\n
params (Map): \uff08\u53ef\u9009\uff09\u53d1\u9001\u5230\u670d\u52a1\u7aef\u7684\u952e\uff0f\u503c\u5bf9\u53c2\u6570\u3002<\/p>\n
callback (Function): \uff08\u53ef\u9009\uff09 \u5f53\u6570\u636e\u88c5\u5165\u5b8c\u6210\u65f6\u6267\u884c\u7684\u51fd\u6570.<\/p>\n
JSON\u5b98\u65b9\u7f51\u7ad9\u63d0\u4f9b\u7684\u4e00\u4e2a\u5f00\u6e90\u7684JSON\u89e3\u6790\u5668\u548c\u5b57\u7b26\u4e32\u8f6c\u6362\u5668\uff1ajson.js<\/p>\n
string.parseJSON() \u89e3\u6790\u51fd\u6570\uff0c\u5b83\u5c06JSON\u6587\u672c\u89e3\u6790\u6210object\u6216\u8005array\uff0c\u53ef\u4ee5\u629b\u51fa\u4e00\u4e2a\u8bed\u6cd5\u9519\u8bef\u7684\u5f02\u5e38\uff1b<\/p>\n
array.toJSONString()\uff0c<\/p>\n
boolean.toJSONString() \uff0c<\/p>\n
date.toJSONString()\uff0c<\/p>\n
number.toJSONString()\uff0c<\/p>\n
object.toJSONString()\uff0c<\/p>\n
string.toJSONString(): \u8fd9\u51e0\u4e2a\u51fd\u6570\u53ef\u4ee5\u751f\u6210JSON\u6587\u672c<\/p>\n
\u4e0b\u9762\u5199\u4e00\u4e2a\u7b80\u5355\u7684\u89e3\u6790\u548c\u8f6c\u6362\u7684\u4f8b\u5b50\uff1a<\/p>\n
\r\nvar str=\u2018["0","1"]\u2018;\r\nvar obj = str.parseJSON();\r\n\r\ndocument.write(obj[0]);\r\n\r\ndocument.write(obj[1]);\r\n<\/pre>\n
\u7ed3\u679c\u662f01<\/p>\n
\r\nvar doc =new Array();\r\ndoc[0]=\u20180\u2018;\r\n\r\ndoc[1]=\u20181\u2018;\r\n\r\ndocument.write(doc.toJSONString())\r\n<\/pre>\n
\u7ed3\u679c\u662f[“0″,”1”]<\/p>\n
Json.txt<\/p>\n
\r\n{\r\n\r\n\u201cuser\u201d:\u201dcck\u201d,\r\n\r\n\u201csex\u201d:\u201dname\u201d\r\n\r\n}\r\n<\/pre>\n","protected":false},"excerpt":{"rendered":"
\u51c6\u5907\u5de5\u4f5c\uff1a \u9996\u5148\uff0c\u6211\u4eec\u65b0\u5efa\u4e2a\u7f51\u7ad9\uff08.net2.0\u5c31\u884c\uff09. 1.\u5728\u6211\u4eec\u7684\u9879\u76ee\u4e2djquery\u7684js\u6587\u4ef6\u3002 2.\u65b0\u5efa […]<\/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-574","post","type-post","status-publish","format-standard","hentry","category-code_related"],"_links":{"self":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/574","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=574"}],"version-history":[{"count":2,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/574\/revisions"}],"predecessor-version":[{"id":5266,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/posts\/574\/revisions\/5266"}],"wp:attachment":[{"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/media?parent=574"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/categories?post=574"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kyle.ai\/blog\/wp-json\/wp\/v2\/tags?post=574"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}