js读写json文件实例代码

本节为大家介绍下js如何读写json文件，代码很简练

									function funSave() {

									var id = $('#testText1')[0].value;

									var name = $('#testText2')[0].value;

									var str = '{mydata:[' + '{id:' + id + ',name:' + name + '}' + ']}';

									str = "{MyData:[{id:'" + id + "',name:'" + name + "'}]}";

									//var json = eval('(' + str + ')');

									var fso, tf;

									try{

									fso = new ActiveXObject("Scripting.FileSystemObject");

									      tf = fso.CreateTextFile("F:\\BaiduYun\\MyHtml\\DB_USER.json", true);

									      tf.WriteLine(str);

									}catch(err){

									      }finally{

									      tf.Close();

									      }

									}

									function funSearch() {

									var fso, ts, s;

									var ForReading = 1;

									try{

									fso = new ActiveXObject("Scripting.FileSystemObject");

									      ts = fso.OpenTextFile("F:\\BaiduYun\\MyHtml\\DB_USER.json", ForReading);

									      s = ts.ReadLine();

									      var json = eval('(' + s + ')');

									      alert(json.MyData[0].id);

									}catch(err){

									}finally{

									ts.Close();

									}

									}

js读写json文件实例代码

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