Javascript & Jquery 遍历Json

/*
author: liulf
function:
    var __db_cpcj=vCpcj;
    var __db_cp=vCp;
    var vCp={“cppage”:[
    {“cpdh”:”A01000101″,”page”:”1″,”ca”:”1309-36-0″,”mc”:”
硫铁矿“,”ename”:”Pyrite”,”bm”:”黄铁矿“},
    {“cpdh”:”A01000201″,”page”:”1″,”ca”:”1309-36-0″,”mc”:”
硫精砂“,”ename”:”Pyrite concentrate;Sulfur concentrate”,”bm”:””},
    {“cpdh”:”A01000202″,”page”:”1″,”ca”:”1309-36-0″,”mc”:”
硫精矿粉“,”ename”:
    “Powdered pyrite concentrate;Pyrites concentrate,powder;Sulfur concentrate,powder”,”bm”:”
硫精矿“},
    {“cpdh”:”A02000101″,”page”:”1″,”ca”:””,”mc”:”
磷矿石“,”ename”:”Phosphorus ore”,”bm”:””},
    {“cpdh”:”A02000111″,”page”:”2″,”ca”:””,”mc”:”
磷矿砂“,”ename”:”Phosphorite grit”,”bm”:””},
    {“cpdh”:”A02000201″,”page”:”2″,”ca”:””,”mc”:”
磷矿粉“,”ename”:”Phosphate rock powder”,”bm”:””},
    {“cpdh”:”A03000101″,”page”:”2″,”ca”:”12447-04-0″,”mc”:”
硼矿石“,”ename”:”Ascharite;Boric ore”,”bm”:”硼镁矿“},
    {“cpdh”:”A04000101″,”page”:”2″,”ca”:””,”mc”:”
钾长石“,”ename”:”Potash feldspar;Potassium feldspars”,”bm”:””},
    {“cpdh”:”A04000201″,”page”:”2″,”ca”:”12003-63-3″,”mc”:”
长石粉“,”ename”:”Feldspar powder”,”bm”:””},
    {“cpdh”:”A04000301″,”page”:”2″,”ca”:””,”mc”:”
光卤石“,”ename”:”Carnallite”,”bm”:””}
    ]}
*/
function ObjSearch()
{    
    this.kw = ”;
    this.searchCpcj= function()
    {        
        $(vCpcj).each(function(){
            
        });
    }
    this.searchCp = function()
    {
//        var json = eval(vCp.cppage)
//        for(var i=0; i<json.length; i++)
//        {
//            alert(json[i].cpdh+” ” + json[i].page)
//            break;
//        }
          $.each(vCp.cppage,function(index,content){
            document.write(‘<div>’+content.cpdh+'</div><br />’);
          });  
    }
}

——————————————–js———————————

如何遍历jsonc对象?其实方法很简单。

比如有如下json对象:

var obj ={“name”:”冯娟“,”password”:”123456″,”department”:”技术部“,”sex”:”“,”old”:30};

遍历方法:

for(var p in obj)

{

str = str+obj[p]+’,’;
return str;

}