重点是ajax中加入这一句!!
contentType:'application/json;charset=UTF-8',
直接贴代码了!
$.ajax({
url:"/roll_call/over",
type:"post",
data:JSON.stringify(rollCallArray),
contentType:'application/json;charset=UTF-8', //这是大家都会忽略的地方类型需要写
//traditional:true,
dataType:"json",
success:function (result) {
window.location.href='to_list';
}
});
//注意:这里必须加下面这行,否则数据传到后台之后返回的类型不同会报415的错误
//contentType:'application/json;charset=UTF-8',