复制代码 代码如下:

/*

将json对象转换为字符串

使用方法:

var json = {id=3,name="abc"};

var str = tools.j2s(json);

*/

tools.j2s = function(O) {

var S = [];

var J = "";

if (Object.prototype.toString.apply(O) === '[object Array]') {

for ( var i = 0; i < O.length; i++) {

S.push(this.j2s(O[i]));

}

J = '[' + S.join(',') + ']';

} else if (Object.prototype.toString.apply(O) === '[object Date]') {

J = "new Date(" + O.getTime() + ")";

} else if (Object.prototype.toString.apply(O) === '[object RegExp]' || Object.prototype.toString.apply(O) === '[object Function]') {

J = O.toString();

} else if (Object.prototype.toString.apply(O) === '[object Object]') {

for ( var i in O) {

var tempObj = "";

if(typeof (O[i]) == 'string') {

tempObj = '"' + O[i] + '"';

} else if(typeof (O[i]) === 'object') {

tempObj = this.j2s(O[i]);

} else {

tempObj = O[i];

}

S.push('"' + i + '":' + tempObj);

}

J = '{' + S.join(',') + '}';

} else if (Object.prototype.toString.apply(O) === '[object String]') {

J = '"' + O + '"';

} else {

J = O;

}

return J;

};

//json字符串转换为json对象

tools.s2j = function(jsonString) {

if(jsonString == null || jsonString == "" ) {

jsonString = "{}";

}

return eval('('+jsonString+')');

};

//JSON字符串到Object

tools.json2Obj = function(_json) {

if (_json == '') {

//alert("函数初始化失败！");

return "";

}

return eval("({root:"+_json+"})");

};