A simple example of calling WebService across domains using js
The following editor will bring you a simple example of js cross-domain calling WebService. The editor thinks it’s pretty good, so I’ll share the js source code with you now, and give it a reference. If you are interested in js, please follow the editor to have a look
Step 1. The system.web node in web.config Add
<!--此节点可允许脚本跨域调用webservice-->
<webServices>
<protocols>
<add name="HttpPost"/>
<add name="HttpGet"/>
</protocols>
</webServices>
<!--此节点可允许脚本跨域调用webservice-->##Step 2. webservice code
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Services;
using System.Web.Mvc;
namespace WebService
{
/// <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
{
[ValidateInput(false)]
[WebMethod(Description = "测试")]
public void getDBTableInfos(string EnterpriseCode)
{
HttpContext.Current.Response.ContentType = "application/json;charset=utf-8";
string jsonCallBackFunName = string.Empty;
jsonCallBackFunName = HttpContext.Current.Request.Params["jsoncallback"].ToString();
HttpContext.Current.Response.Write(jsonCallBackFunName + "({ \"Result\": \"" + EnterpriseCode + "\" })");
}
}
}Step 3. html page section
<!DOCTYPE html>
<html>
<head>
<title>Index</title>
<script src="http://www.cnblogs.com/Scripts/jquery-1.5.1.js" type="text/javascript"></script>
<script type="text/javascript">
$(function () {
$("#btnSubmit").click(function () {
var EnterpriseCode = "39"; //企业代码
var dataStr = "EnterpriseCode=" + EnterpriseCode;
$.ajax({
type: "get",
url: "http://xxx/xxx.asmx/AntiWebQuery_Ajax?jsoncallback?",
dataType: "jsonp",
jsonp: 'jsoncallback',
data: dataStr,
success: function (result) {
//返回结果
alert(result.Result);
}
});
});
});
</script>
</head>
<body>
<p>
<input id="btnSubmit" type="button" value="查询" />
</p>
</body>
</html>Related recommendations:
Summary of Jquery ajax calling webservice
Detailed example of jQuery Notes on ajax calling webservice
Ajax cross-domain call webservice implementation code
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