如何将对象转换为标准的json格式的数据

var data = {
"status": 1,
"data": {
"commodityDTO": [{
"id": 1,
"categoryId": 4,
"name":"mike1",
"stock": 20,
"picPath":"/Upds/Sho/2009/04/20/5534900cb9f9f",
"status": 1,
"commodityId": 1000501
}, {
"id": 2,
"categoryId": 0,
"name":"mike2",
"stock": 20,
"picPath":"/Upds/Shopp/2010/01/20/5534900cb9f9f",
"status": 1,
"commodityId": 1001801
}],
"commoditySize": 2,
"commodityTotal": 0,
"categoryCount": 0
}
}

$scope.setAPI = function(openDt,page,pageSize){
var arry = $.map((openDt),function(value,index){
return [value]
})
arry = arry.slice(1)
var arr = []
for(i = 0;i arr = arry[i]
}
arry = $.map((arr),function(value,index){
return [value]
})
var pagedData = arry[1].slice((page - 1) * pageSize, page * pageSize);
$scope.oa = pagedData;
}
console.log(arry[1])