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<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>JSON.parse()</title>
<script type="text/javascript" src="json2.js"></script>
<script type="text/javascript">
//json格式
var data='{'
+'"root":'
+'['
+'{"name":"1","value":"0"},'
+'{"name":"6101","value":"西安市"},'
+'{"name":"6102","value":"铜川市"},'
+'{"name":"6103","value":"宝鸡市"},'
+'{"name":"6104","value":"咸阳市"},'
+'{"name":"6105","value":"渭南市"},'
+'{"name":"6106","value":"延安市"},'
+'{"name":"6107","value":"汉中市"},'
+'{"name":"6108","value":"榆林市"},'
+'{"name":"6109","value":"安康市"},'
+'{"name":"6110","value":"商洛市"}'
+']'
+'}'; //示例1：此示例使用 JSON.parse 将 JSON 字符串转换为对象 //未解析时，json数据没有转换成对象，不能调用
var jsontext = '{"firstname":"Jesper","surname":"Aaberg","phone":["555-0100","555-0120"]}';
document.write(jsontext.surname + ", " + jsontext.firstname + ", "+ jsontext.phone) +"<br/>";
//利用parse解析成对象，即可调用
var contact = JSON.parse(jsontext);
document.write("json字符串未解析时："+jsontext+"<br/>");
document.write("json字符串通过parse解析后："+contact+"<br/>");
document.write(contact.surname + ", " + contact.firstname + ", "+ contact.phone); //dateReviver
//var dateObj = new Date(Date.UTC('2008', +'01' - 1, +'01', +'12', +'00', +'00'))
//alert(dateObj.toUTCString()) //示例2：此示例使用 JSON.parse 反序列化 ISO 格式的日期字符串, 将返回Date格式对象。
var jsontext2 = '{ "hiredate": "2008-01-01T12:00:00Z", "birthdate": "2008-12-25T12:00:00Z" }';
var dates = JSON.parse(jsontext2, dateReviver);
document.write("<br /><br />"+dates.birthdate.toUTCString());
function dateReviver(key, value) {
var a;
if (typeof value === 'string') {
a = /^(\d{4})-(\d{2})-(\d{2})T(\d{2}):(\d{2}):(\d{2}(?:\.\d*)?)Z$/.exec(value);
if (a) {
return new Date(Date.UTC(+a[1], +a[2] - 1, +a[3], +a[4],
+a[5], +a[6]));
}
}
return value;
}; </script>
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