$json_string = json_encode($type2);
echo $json_string;
结果显示:[
{"w_id":"9","w_name":"\u5b89\u5fbd","w_fid":"8","w_sort":"11"},
{"w_id":"6","w_name":"\u51b0\u7bb1","w_fid":"2","w_sort":"21"},
{"w_id":"7","w_name":"\u5973\u88c51","w_fid":"3","w_sort":"31"},
{"w_id":"4","w_name":"\u7537\u88c5","w_fid":"3","w_sort":"32"}
]w_name的值是中文,怎么显示\u5b89\u5fbd