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js怎樣讀取json裡面的資料

var json = {  contry:{ area:{ man:"12萬",  women:"10萬" } } };
//方式一:使用eval解析  
    var obj = eval(json);  
        alert(obj.constructor);
        alert(obj.contry.area.women);  

//方式二:使用Funtion函式  
    var strJSON = "{name:'json name'}";//得到的JSON  
    var obj = new Function("return" + strJSON)();//轉換後的JSON物件  
alert(obj.name);//json name alert(obj.constructor); //複雜一點的json陣列資料的解析 var value1 = [{"c01":"1","c02":"2","c03":"3","c04":"4","c05":"5","c06":"6","c07":"7","c08":"8","c09":"9"}, {"c01":"2","c02":"4","c03":"5","c04":"2","c05":"8","c06":"11","c07":"21","c08":"1","c09":"12"}, {"c01":"5","c02":"1","c03"
:"4","c04":"11","c05":"9","c06":"8","c07":"1","c08":"8","c09":"2"}]; var obj1 = eval(value1); alert(obj1[0].c01); //複雜一點的json的另一種形式 var value2 = {"list":[ {"password":"1230","username":"coolcooldool"}, {"password":"thisis2","username":"okokok"}], "array":[{"password":"1230","username":"coolcooldool"
},{"password":"thisis2","username":"okokok"}]}; var obj2 = eval(value2); alert(obj2.list[0].password);