提交不过两大类,表达提交与ajax提交
一:表单提交
html
- <form action="TestWebspx.aspx" method="post">
- <input type="text" name="username"/>
- <input type="submit" value="submit"/>
- </form>
- public partial class TestWebspx : System.Web.UI.Page
- {
- protected void Page_Load(object sender, EventArgs e)
- {
- string username = Request["username"];
- Response.Write("your input:" + username);
- }
- }
二:Ajax处理
方法一:
前端
- var kmtcb = {}
- kmtcb.search = function ()
- {
- var qyport = $("#qyport").val();
- var carrier = $("#carrier").val();
- var number = $("#number").val();
- $.ajax({
- url: "get_b.aspx?act=Search",
- type: "post",
- data: { qyport: qyport, carrier: carrier,number:number},
- success: function (result) {
- var dataObj = eval("(" + result + ")");//转化成json对象
- alert(dataObj.Carrier);
- alert(dataObj.Qyport);
- alert(dataObj.Number);
- },
- error: function (result)
- {
- console.log(result);
- alert(result);
- }
- })
- }
- public void Search()
- {
- string qyport = Request["qyport"];
- string carrier = Request["carrier"];
- string number = Request["number"];
- T t = new T();
- t.Carrier = "1234";
- t.Qyport = "aaaa";
- t.Number = "yunjia001";
- string jsonstr = JsonConvert.SerializeObject(t);
- Response.Clear();
- Response.Write(jsonstr);
- Response.End();
- }
方法二:
- $(function () {
- $.ajax({
- type: "post",
- url: "TestWebspx.aspx/TestJson",
- contentType: "application/json;charset=utf-8",
- data: "{'msg':'hello'}",// data: { key: '123', type: 'S' }
- dataType: "json",
- success: function (result)
- {
- var dataObj = eval("(" + result.d + ")");
- alert(dataObj.msg);
- }
- });
- })
所以取我们自己返回的json对象时需要用result.d而且需要eval传化成json对象,或者使用jquery的 $.parseJSON("str");
后台
- [WebMethod]
- public static string TestJson(string msg)
- {
- return "{msg:123}";
- }
此时post请求没有问题,但如果需要修改成get方式就会出现
只需要加后台方法上加上[ScriptMethod(UseHttpGet = true)]特性
- [WebMethod]
- [ScriptMethod(UseHttpGet = true)]
- public static string TestJson(string msg)
- {
- return "{msg:123}";
- }
http://www.cnblogs.com/acles/articles/2385648.html
原博客地址:https://blog.csdn.net/aojiancc2/article/details/19075337