1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
2 <html xmlns="http://www.w3.org/1999/xhtml">
3 <head>
4 <meta http-equiv="Content-Type" content="text/html;charset=UTF-8" />
5 <title>test</title>
6 <script type="text/javascript" src="test28.js"></script>
7 </head>
8 <body>
9 <form method="post" action="?q=javascript&num=10">
10 <input id="q" type="text" name="q" value="" />
11 <input id="num" type="text" name="num" />
12 <input type="submit" value="提 交" />
13 </form>
14 </body>
15 </html>
1 //假设查询字符串是?q=javascript&num=10
2
3 function getQueryStringArgs() {
4
5 //取得查询字符串并去掉开头的问号
6 var qs = (location.search.length > 0 ? location.search.substring(1) : "");
7
8 //保存数据的对象
9 var args = {};
10
11 //取得每一项
12 var items = qs.split("&");
13 var item = null,
14 name = null,
15 value = null;
16
17 //逐个将每一项添加到args对象中
18 for (var i = 0; i < items.length; i++) {
19 item = items[i].split("=");
20 name = decodeURIComponent(item[0]);
21 value = decodeURIComponent(item[1]);
22 args[name] = value;
23 }
24 return args;
25 }
26
27 var args = getQueryStringArgs();
28
29 console.log(args["q"]);
30 console.log(args["num"]);
31
32 window.onload = function() {
33 document.getElementById("q").value = args["q"];
34 document.getElementById("num").value = args["num"];
35 }
