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js如何讀取json中的數據

var?json?=?{ country:{?面積:{?男:“1.2萬”,女:“1萬”?}?}?};

//方法壹:使用eval解析。

var?obj?=?eval(JSON);

alert(obj . constructor);

alert(obj . country . area . women);

//方法二:使用function函數。

var?strJSON?=?“{name:'json?名稱“}”;//JSON已獲得

var?obj?=?新的?函數(“返回”?+?strJSON)();//已轉換的JSON對象

alert(obj . name);//json?名字

alert(obj . constructor);

//稍微復雜壹點的json數組數據解析。

var?value1?=?[{"c01":"1 "," c02":"2 "," c03":"3 "," c04":"4 "," c05":"5 "," c06":"6 "," c07":"7 "," c08":"8 "," c09 " },?{"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(值1);

alert(obj 1[0]. c 01);?

//另壹種稍微復雜壹點的json形式。

var?value2?=?{“列表”:[?{"password":"1230 "," username ":" coolcloudtool " },?{"password":"thisis2 "," username":"okokok"}],?" array ":[{ " password ":" 1230 "," username ":" coolclouddool " },{"password":"thisis2 "," username ":" okokok " }]};

var?obj2?=?eval(值2);

alert(obj2.list[0])。密碼);