JavaScript调用WebService方法的实现思路与C#后端代码示例

JavaScript调用WebService的实现背景

Web服务代码示例：

 
C# WebService服务端代码结构using System;
using System.Web;
using System.Collections;
using System.Web.Services;
using System.Web.Services.Protocols;
using System.Web.Script.Services;
using StoreHouse.Common;
using StoreHouse.IDAL;
using StoreHouse.Model;
using System.Data.SqlClient;
using System.Data;
using System.Xml;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Net.NetworkInformation;
/// <summary>
/// PageService 类的简要描述
/// </summary>
[WebService(Namespace = "http://tempuri.org/")]
[WebServiceBinding(ConformsTo = WsiProfiles.BasicProfile1_1)]
[ScriptService]
public class PageService : System.Web.Services.WebService
{ 
ArrayList al = new ArrayList();
public PageService()
{ 
//若使用设计器生成的组件，请取消注释下行
//InitializeComponent();
} 
/// <summary>
/// 执行添加收藏操作
/// </summary>
/// <param name="fid">产品ID</param>
/// <param name="sid">用户ID</param>
/// <param name="flag">类型标识（产品、企业、电子样本、图库收藏）</param>
/// <returns>返回收藏操作状态码</returns>
[WebMethod]
public int AddCollect(int fid,int sid,int flag)
{ 
IProductDataProvider ipdp = ProviderManager.Create<IProductDataProvider>();
IEnterpriseDataProvider iedp = ProviderManager.Create<IEnterpriseDataProvider>();
if (flag == 1)
{ 
ProductCollect pc = new ProductCollect();
pc.ProductID = fid;
pc.UserID = sid;
pc.AddDatetime = DateTime.Now;
pc.UpdateDatetime = DateTime.Now;
return ipdp.AddProductCollect(pc);
} 
else if (flag == 2)
{ 
EnterpriseCollect ec = new EnterpriseCollect();
ec.EnterpriseID = fid;
ec.UserID = sid;
ec.AddDatetime = DateTime.Now;
ec.UpdateDatetime = DateTime.Now;
return iedp.AddEnterpriseCollect(ec);
} 
else if (flag == 3)
{ 
EElecSampleCollect epesc = new EElecSampleCollect();
epesc.EElecSampleID = fid;
epesc.UserID = sid;
epesc.AddDatetime = DateTime.Now;
epesc.UpdateDatetime = DateTime.Now;
return ipdp.AddEElecSampleCollect(epesc);
} 
else if (flag == 4)
{ 
EPAtlasCollect epac = new EPAtlasCollect ();
epac.EPAtlasID= fid;
epac.UserID = sid;
epac.AddDatetime = DateTime.Now;
epac.UpdateDatetime = DateTime.Now;
return ipdp.AddEPAtlasCollect(epac);
} 
return 000000;
}