一:原生js遍历json对象
<1>.无规律:
var json = [
{dd:'SB',AA:'东东',re1:123},
{cccc:'dd',lk:'1qw'}
];
for(var i=0,i<json.length;i++){
for(var key in json[i]){
alert(key+':'+json[i][key]);
}
}
<2>.有规律:
var packJson = [
{"name":"nikita", "password":"1111"},
{"name":"tony", "password":"2222"}
];
for(var p in packJson){ //遍历json数组时,这么写p为索引,0,1
alert(packJson[p].name + " " + packJson[p].password);
}
//也可以这样:
for(var i = 0; i < packJson.length; i++){
alert(packJson[i].name + " " + packJson[i].password);
}
<3>.遍历json对象
myJson = {"name":"caibaojian", "password":"1111"};
for(var p in myJson){ //遍历json对象的每个key/value对,p为key
alert(p + " " + myJson[p]);
}
例:
var obj ={"name":"冯娟","password":"123456","department":"技术部","sex":"女","old":30};
for(var p in obj){
str = str+obj[p]+',';
return str;
}