web前端|js教程
js文件,json串
web前端-js教程
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/*
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+));
};
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//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+"})");
};
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