jquery.post用法之type设置问题

$.post('/admin/UserBookView.do', {}, function(data) {
console.info(data);
});

{"acceptIs":null,"entity":null,"refuseIs":null,"result":{"pageSize":10,
"resultList":[{"PRICE":3,"WCTIME":null,"NOTE":"积分异常","CKTIME":null,"CUSER":"admin",
"CTIME":"2013\/12\/30 17:03:16","PHONE":"13111050937","ADDR":"测试地址","CUSERID":"1","SLTIME":null}],
"resultListArray":null,"titles":["ID","CTIME","STATE""PRICE","NOTE"],"totalPage":1,"totalSize":4},
"source":null,"storageIs":null,"treeNodes":null}

var datas=eval("("+data+")");

$.post('/admin/UserBookView.do', {}, function(data) {
console.info(data);
},"json");