$(document).ready(function () {

 var schoolList={
  "pageCount": "2",
  "pageIndex": "1",
  "sign": "1",
  "uniPayId": "9dc1308bab2b4b49987a0c12dd7339f5"
}
 $.ajax({
        type:"POST",
        url:"/schoolroll/insert",
        contentType: "application/json", //必須這樣寫
        dataType:"json",
        data:JSON.stringify(schoolList),//schoolList是你要提交是json字串
        success:function (data) {

        }

    })
})
 

後臺對應的controller

對應的實體類資訊：

這樣能夠實現，前臺傳遞json資料，後臺用實體類接收引數，將資料值對映到對應的欄位上面