(转载)MVC + JQUERY + AJAX的几种方式
MVC + JQUERY + AJAX的几种方式
// 传过去一个简单值,获取一个简单值
$.ajax({
type: "GET",
url: '<%= Url.Action("xx", "Corp") %>',
data: "type=11",
success: function (msg) { alert(msg); }
});
public string xx()
{
string s = this.Request.QueryString["type"];
return s + ":ssssss";
}
// 获取一个复杂值
$.ajax({
url: '<%= Url.Action("xx", "Corp") %>',
type: "POST",
success: function(data) {
var obj = eval("(" + data + ")");
alert(obj.name);
}
});
// 这样更方便。
$.ajax({
url: '<%= Url.Action("xx", "Corp") %>',
type: "POST",
dataType:"json",
success: function(data) {
alert(data.name);
}
});
public ActionResult xx()
{
return this.Json( new
{
name = "Dr.Worm",
worm = "Programer"
} );
}
// 传过去一个复杂值,获取一个复杂值
$.ajax({
url: '<%= Url.Action("xx", "Corp") %>',
type: "POST",
dataType: "json",
data: "ID=1&FirstName=C&LastName=HY",
success: function(data) {
alert(data.ID + data.FirstName + data.LastName);
}
});
public JsonResult xx( FormCollection form )
{
return Json( new
{
ID = int.Parse(this.Request.Form[ "ID" ] ),
FirstName = "w:" + this.Request.Form[ "FirstName" ],
LastName = "s:" + this.Request.Form[ "LastName" ]
} );
}
客户端调用方式:
$("#ButAjax").click(function() {
$.ajax({
type: "POST", //默认是GET
url: "/AjaxTest/getPerson",
data: "ID=1&FirstName=C&LastName=HY",
async: true, //异步
cache: false, //不加载缓存
success: function(obj) {
alert(obj.ID + obj.FirstName + obj.LastName + obj.Man);
},
error: function() {
alert("请求失败");
}
});
});
$("#ButAjax2").click(function() {
$.ajax({
type: "POST", //默认是GET
url: "/AjaxTest/getPerson2?ID=3&FirstName=C&LastName=HY",
async: true, //异步
cache: false, //不加载缓存
success: function(obj) {
alert(obj.ID + obj.FirstName + obj.LastName + obj.Man);
},
error: function() {
alert("请求失败");
}
});
});
$("#ButAjax3").click(function() {
$.ajax({
type: "POST", //默认是GET
url: "/AjaxTest/getString",
async: true, //异步
cache: false, //不加载缓存
success: function(str) {
alert(str);
},
error: function() {
alert("请求失败");
}
});
});
$("#ButAjax4").click(function() {
$.ajax({
type: "POST", //默认是GET
url: "/AjaxTest/getJsonString",
async: true, //异步
cache: false, //不加载缓存
success: function(str) {
var obj = eval(str);
$.each(obj, function(item, value) {
alert(item + ":" + obj[item]);
});
},
error: function() {
alert("请求失败");
}
});
});
//================================================================
$("#ButJson1").click(function() {
$.getJSON("/AjaxTest/getJson1", { ID: "22", FirstName: "C1", LastName: "HY1" }, function(json) {
alert(json);
$.each(json, function(item, value) {
alert(item + ":" + json[item]);
});
});
});
$("#ButJson2").click(function() {
$.getJSON("/AjaxTest/getJson2", { ID: "22", FirstName: "C1", LastName: "HY1" }, function(json) {
alert(json);
$.each(json, function(item, value) {
alert(item + ":" + json[item]);
});
});
});
$("#ButJson3").click(function() {
$.getJSON("/AjaxTest/getJson3", { ID: "22", FirstName: "C1", LastName: "HY1" }, function(json) {
alert(json);
$.each(json, function(item, value) {
alert(item + ":" + json[item]);
});
});
});
$("#ButJson4").click(function() {
$.getJSON("/AjaxTest/getJsonSerializingJson", { ID: "22", FirstName: "C1", LastName: "HY1" }, function(json) {
alert(json);
$.each(json, function(item, value) {
alert(item + ":" + json[item]);
});
});
});
$("#ButJson5").click(function() {
$.getJSON("/AjaxTest/getJsonDeSerializingJson", { json:
'{"ID":201,"FirstName":"C","LastName":"HY","Man":true}' },
function(json) {
alert(json);
$.each(json, function(item, value) {
alert(item + ":" + json[item]);
});
});
});
//================================================================
$("#ButSerializing").click(function() {
$.ajax({
type: "POST",
url: "/AjaxTest/testSerializingJson",
data: "ID=101&FirstName=C&LastName=HY&Man=false",
async: true,
cache: false,
success: function(obj) {
alert(obj);
},
error: function() {
alert("请求失败");
}
});
});
$("#ButDeSerializing").click(function() {
$.ajax({
type: "POST",
url: "/AjaxTest/testDeSerializingJson",
data: 'json={"ID":201,"FirstName":"C","LastName":"HY","Man":true}',
async: true,
cache: false,
success: function(obj) {
alert(obj.ID + obj.FirstName + obj.LastName + obj.Man);
},
error: function() {
alert("请求失败");
}
});
});
$("#ButSerializingList").click(function() {
$.ajax({
type: "POST",
url: "/AjaxTest/serializingList",
data: "",
async: true,
cache: false,
success: function(obj) {
alert(obj + "length:" + obj.length);
$.each(obj, function() {
$.each(this, function(item, value) {
alert(item + ":" + json[item]);
});
});
},
error: function() {
alert("请求失败");
}
});
});
--------------------------------------------------------------------------------
Controllers 代码:
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.Serialization.Json;
using System.Web;
using System.Web.Mvc;
namespace MvcApplication.Controllers
{
public class Person
{
public int ID { get; set; }
public string FirstName { get; set; }
public string LastName { get; set; }
public bool Man { get; set; }
}
public class AjaxTestController : Controller
{
#region ===============$.Ajax测试=================
/// <summary>
/// 测试返回对象
/// </summary>
/// <param name="form"></param>
/// <returns></returns>
public JsonResult getPerson(FormCollection form)
{
Person p = new Person
{
ID = int.Parse(form["ID"]),
FirstName = form["FirstName"],
LastName = form["LastName"]
};
return Json(p);
}
/// <summary>
/// 经测试发现:当Global中定义{controller}/{action}/{id}时
/// 前台url?ID=3&FirstName=C&LastName=HY传到后台时ID值为""
/// 所以把Global中定义为{controller}/{action}/{uid}
/// </summary>
/// <param name="ID"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public JsonResult getPerson2(string ID, string FirstName, string LastName)
{
Person p = new Person
{
ID = int.Parse(ID),
FirstName = FirstName,
LastName = LastName
};
return Json(p);
}
/// <summary>
/// 测试返回字符串
/// </summary>
/// <returns></returns>
public ContentResult getString()
{
return Content("{id:'2',FirstName:'C',LastName:'HY'}");
}
/// <summary>
/// 测试返回json字符串
/// </summary>
/// <returns></returns>
public ContentResult getJsonString()
{
return Content("({id:'2',FirstName:'C',LastName:'HY'})");
}
#endregion
#region ==============$.getJSON(返回json格式测试)============
/// <summary>
/// 经测试发现必须是双引号(")不能是单引号(')
/// </summary>
/// <param name="Code"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public ContentResult getJson1(string ID, string FirstName, string LastName)
{
return Content("{/"id/":1,/"name/":/"chy/",/"flag/":true}");
}
/// <summary>
/// 经测试发现必须是双引号(")不能是单引号(')
/// </summary>
/// <param name="Code"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public ContentResult getJson2(string ID, string FirstName, string LastName)
{
return Content("{/"id/":/"2/",/"name/":/"chy/"}");
}
/// <summary>
/// 经测试发现必须是双引号(")不能是单引号(')
/// 产生错误前台没反应
/// </summary>
/// <param name="Code"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public ContentResult getJson3(string ID, string FirstName, string LastName)
{
return Content("{'id':'3'}");
}
#endregion
#region============Newtonsoft.Json.dll(json序列化和反序列化测试)=============
/// <summary>
/// $.Ajax序列化Json
/// </summary>
/// <param name="ID"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public ContentResult testSerializingJson(FormCollection form)
{
Person p = new Person
{
ID = int.Parse(form["ID"]),
FirstName = form["FirstName"],
LastName = form["LastName"]
};
return Content(Newtonsoft.Json.JsonConvert.SerializeObject(p));
}
/// <summary>
/// $.Ajax反序列化json
/// </summary>
/// <param name="form"></param>
/// <returns></returns>
public JsonResult testDeSerializingJson(FormCollection form)
{
Person p = Newtonsoft.Json.JsonConvert.DeserializeObject<Person>(form["json"].ToString());
return Json(p);
}
/// <summary>
/// $.getJSON序列化Json
/// </summary>
/// <param name="ID"></param>
/// <param name="FirstName"></param>
/// <param name="LastName"></param>
/// <returns></returns>
public ContentResult getJsonSerializingJson(string ID, string FirstName, string LastName)
{
Person p = new Person
{
ID = int.Parse(ID),
FirstName = FirstName,
LastName = LastName
};
return Content(Newtonsoft.Json.JsonConvert.SerializeObject(p));
}
/// <summary>
/// $.getJSON反序列化json
/// </summary>
/// <param name="form"></param>
/// <returns></returns>
public ContentResult getJsonDeSerializingJson(string json)
{
Person p = Newtonsoft.Json.JsonConvert.DeserializeObject<Person>(json);
return Content(Newtonsoft.Json.JsonConvert.SerializeObject(p));
}
#endregion
#region================返回集合================
public JsonResult serializingList()
{
List<Person> ls = new List<Person>();
ls.Add(new Person
{
ID = 1,
FirstName = "C",
LastName = "HY",
Man = false
});
ls.Add(new Person
{
ID = 2,
FirstName = "Z",
LastName = "JJ",
Man = true
});
return Json(ls);
}
public JsonResult deSerializingList(string json)
{
List<Person> listP = new List<Person>();
List<string> listStr = json.Split(',').ToList<string>();
foreach (string s in listStr)
{
listP.Add(Newtonsoft.Json.JsonConvert.DeserializeObject<Person>(s));
}
return Json(listP);
}
#endregion
}
}
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