Detaillierter Beispielcode der jQuery-Ajax-Methode, die Asp.Net WebService aufruft-js-Tutorial-php.cn

Detaillierter Beispielcode der jQuery-Ajax-Methode, die Asp.Net WebService aufruft

高洛峰

Freigeben： 2017-01-12 14:17:58

Original

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ws.aspx-Code

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 
<html xmlns="http://www.w3.org/1999/xhtml"> 
<head id="Head1" runat="server"> 
<title></title> 
<script src="jquery.js" type="text/javascript"></script> 
<style type="text/css"> 
.hover 
{ 
cursor: pointer; /*小手*/ 
background: #ffc; /*背景*/ 
} 
.button 
{ 
width: 150px; 
float: left; 
text-align: center; 
margin: 10px; 
padding: 10px; 
border: 1px solid #888; 
} 
#dictionary 
{ 
text-align: center; 
font-size: 18px; 
clear: both; 
border-top: 3px solid #888; 
} 
#loading 
{ 
border: 1px #000 solid; 
background-color: #eee; 
padding: 20px; 
margin: 100px 0 0 200px; 
position: absolute; 
display: none; 
} 
#switcher 
{ 
} 
</style> 
<script type="text/javascript"> 
//无参数调用 
$(document).ready(function() { 
$(&#39;#btn1&#39;).click(function() { 
$.ajax({ 
type: "POST", //访问WebService使用Post方式请求 
contentType: "application/json", //WebService 会返回Json类型 
url: "WebService1.asmx/HelloWorld", //调用WebService的地址和方法名称组合 ---- WsURL/方法名 
data: "{}", //这里是要传递的参数，格式为 data: "{paraName:paraValue}",下面将会看到 
dataType: &#39;json&#39;, 
success: function(result) { //回调函数，result，返回值 
$(&#39;#dictionary&#39;).append(result.d); 
} 
}); 
}); 
}); 
//有参数调用 
$(document).ready(function() { 
$("#btn2").click(function() { 
$.ajax({ 
type: "POST", 
contentType: "application/json", 
url: "WebService1.asmx/GetWish", 
data: "{value1:&#39;心想事成&#39;,value2:&#39;万事如意&#39;,value3:&#39;牛牛牛&#39;,value4:2009}", 
dataType: &#39;json&#39;, 
success: function(result) { 
$(&#39;#dictionary&#39;).append(result.d); 
} 
}); 
}); 
}); 
//返回集合（引用自网络，很说明问题） 
$(document).ready(function() { 
$("#btn3").click(function() { 
$.ajax({ 
type: "POST", 
contentType: "application/json", 
url: "WebService1.asmx/GetArray", 
data: "{i:10}", 
dataType: &#39;json&#39;, 
success: function(result) { 
$(result.d).each(function() { 
//alert(this); 
$(&#39;#dictionary&#39;).append(this.toString() + " "); 
//alert(result.d.join(" | ")); 
}); 
} 
}); 
}); 
}); 
//返回复合类型 
$(document).ready(function() { 
$(&#39;#btn4&#39;).click(function() { 
$.ajax({ 
type: "POST", 
contentType: "application/json", 
url: "WebService1.asmx/GetClass", 
data: "{}", 
dataType: &#39;json&#39;, 
success: function(result) { 
$(result.d).each(function() { 
//alert(this); 
$(&#39;#dictionary&#39;).append(this[&#39;ID&#39;] + " " + this[&#39;Value&#39;]); 
//alert(result.d.join(" | ")); 
}); 
} 
}); 
}); 
}); 
============== 
var aArray = [“sdf”,”dasd”,”dsa”]; //数组$.each(aArray,function(iNum,value){ document.write(“序号：”+iNum+” 值：”+value);});var oObj = {one:1,two:2,three:3};$.each(aArray,function(property,value){ document.write(“属性：”+ property +” 值：”+value);}); 
============================================== 
//返回DataSet(XML) 
$(document).ready(function() { 
$(&#39;#btn5&#39;).click(function() { 
$.ajax({ 
type: "POST", 
url: "WebService1.asmx/GetDataSet", 
data: "{}", 
dataType: &#39;xml&#39;, //返回的类型为XML ，和前面的Json，不一样了 
success: function(result) { 
//演示一下捕获 
try { 
$(result).find("Table1").each(function() { 
$(&#39;#dictionary&#39;).append($(this).find("ID").text() + " " + $(this).find("Value").text()); 
}); 
} 
catch (e) { 
alert(e); 
return; 
} 
}, 
error: function(result, status) { //如果没有上面的捕获出错会执行这里的回调函数 
if (status == &#39;error&#39;) { 
alert(status); 
} 
} 
}); 
}); 
}); 
//Ajax 为用户提供反馈，利用ajaxStart和ajaxStop 方法，演示ajax跟踪相关事件的回调，他们两个方法可以添加给jQuery对象在Ajax前后回调 
//但对与Ajax的监控，本身是全局性的 
$(document).ready(function() { 
$(&#39;#loading&#39;).ajaxStart(function() { 
$(this).show(); 
}).ajaxStop(function() { 
$(this).hide(); 
}); 
}); 
// 鼠标移入移出效果，多个元素的时候，可以使用“，”隔开 
$(document).ready(function() { 
$(&#39;div.button&#39;).hover(function() { 
$(this).addClass(&#39;hover&#39;); 
}, function() { 
$(this).removeClass(&#39;hover&#39;); 
}); 
}); 
</script> 
</head> 
<body> 
<form id="form1" runat="server"> 
<div id="switcher"> 
<h2> 
jQuery 的WebServices 调用</h2> 
<div class="button" id="btn1"> 
HelloWorld</div> 
<div class="button" id="btn2"> 
传入参数</div> 
<div class="button" id="btn3"> 
返回集合</div> 
<div class="button" id="btn4"> 
返回复合类型</div> 
<div class="button" id="btn5"> 
返回DataSet(XML)</div> 
</div> 
<div id="loading"> 
服务器处理中，请稍后。 
</div> 
<div id="dictionary"> 
</div> 
</form> 
</body> 
</html>

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WebService1.asmx.cs

using System; 
using System.Collections.Generic; 
using System.Linq; 
using System.Web; 
using System.Web.Services; 
using System.Data; 
namespace jQuery.Learning 
{ 
/// <summary> 
/// WebService1 的摘要说明 
/// </summary> 
[WebService(Namespace = "http://tempuri.org/")] 
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)] 
[System.ComponentModel.ToolboxItem(false)] 
// 若要允许使用 ASP.NET AJAX 从脚本中调用此 Web 服务，请取消对下行的注释。 
[System.Web.Script.Services.ScriptService] 
public class WebService1 : System.Web.Services.WebService 
{ 
/// <summary> 
/// 无参数 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public string HelloWorld() 
{ 
return "Hello World "; 
} 
/// <summary> 
/// 带参数 
/// </summary> 
/// <param name="value1"></param> 
/// <param name="value2"></param> 
/// <param name="value3"></param> 
/// <param name="value4"></param> 
/// <returns></returns> 
[WebMethod] 
public string GetWish(string value1, string value2, string value3, int value4) 
{ 
return string.Format("祝您在{3}年里 {0}、{1}、{2}", value1, value2, value3, value4); 
} 
/// <summary> 
/// 返回集合 
/// </summary> 
/// <param name="i"></param> 
/// <returns></returns> 
[WebMethod] 
public List<int> GetArray(int i) 
{ 
List<int> list = new List<int>(); 
while (i >= 0) 
{ 
list.Add(i--); 
} 
return list; 
} 
/// <summary> 
/// 返回一个复合类型 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public Class1 GetClass() 
{ 
return new Class1 { ID = "1", Value = "牛年大吉" }; 
} 
/// <summary> 
/// 返回XML 
/// </summary> 
/// <returns></returns> 
[WebMethod] 
public DataSet GetDataSet() 
{ 
DataSet ds = new DataSet(); 
DataTable dt = new DataTable(); 
dt.Columns.Add("ID", Type.GetType("System.String")); 
dt.Columns.Add("Value", Type.GetType("System.String")); 
DataRow dr = dt.NewRow(); 
dr["ID"] = "1"; 
dr["Value"] = "新年快乐"; 
dt.Rows.Add(dr); 
dr = dt.NewRow(); 
dr["ID"] = "2"; 
dr["Value"] = "万事如意"; 
dt.Rows.Add(dr); 
ds.Tables.Add(dt); 
return ds; 
} 
} 
//自定义的类，只有两个属性 
public class Class1 
{ 
public string ID { get; set; } 
public string Value { get; set; } 
} 
}

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