Javascript Jquery 遍历Json的实现代码

　　/*

　　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 />');

　　});

　　}

　　}

　　for(var p in obj)

　　{

　　str = str+obj[p]+',';

　　return str;

　　}