繁體中文当前位置: 首页 > 图文教程 > 网络编程 > ASP.NET > ASP.NET创建XML Web服务全接触(12)
- ASP.NET
- .NET可复用TCP通信层之消息分派器组件
- Asp.Net结合JS在图层上显示记录信息
- .NET 2.0里使用强类型数据创建多层应用
- ADO.NET Entity Framework 试水——并发
- .Net开发:ADO.NET实用技巧两则
- 使用LINQ来简化编程的7个技巧
- VC.NET扩展Windows磁盘清理工具的功能
- Asp.Net页面执行流程分析
- 用asp.net程序备份或还原SQLServer
- ASP.NET实现页面间值传递的几种方法介绍
- 技巧实例：如何在.NET中访问MySQL数据库
- asp.net中数据校验部分的封装与应用
- ASP.NET中前台javascript与后台代码调用
- 翻译 一些很酷的.Net技巧
- ASP.NET常用的26个优化性能方法
- 了解VB.NET中的常量与枚举功能
- .NET FileStreams将DTD插入XML文件中
- Windows CE.Net下矩阵键盘开发设计详解
- .Net编程接口剖析系列之比较和排序
- 在.NET中字符串替换的五种方法
ASP.NET创建XML Web服务全接触(12)
出处:互联网 整理: 软晨网（RuanChen.com） 发布: 2009-11-03 浏览: 115 ::
收藏到网摘: n/a
管理Web服务状态(2)
在下面示例中，appMyServiceUsage状态变量被访问来递增其值。下面的代码示例是一个使用两个XML Web服务方法的XML Web服务：ServerUsage和PerSessionServerUage。ServerUsage是一个点击计数器，用于访问ServerUsage XML Web服务方法时计数，而不管客户端如何与XML Web服务方法通信。例如，如果三个客户端连续地调用ServerUsage XML Web服务方法，最后一个接收一个返回值3。而PerSessionServiceUsage则是用于一个特别的客户端会话的计数器。如果三个客户端连续地访问PerSessionServiceUsage，每个客户端都会在第一次调用的时候接收到相同的结果。
| [C#] ＜%@ WebService Language="C#" Class="ServerUsage" %＞ using System.Web.Services; public class ServerUsage : WebService { [ WebMethod(Description="Number of times this service has been accessed.") ] public int ServiceUsage() { // If the XML Web service method hasn't been accessed, // initialize it to 1. if (Application["appMyServiceUsage"] == null) { Application["appMyServiceUsage"] = 1; } else { // Increment the usage count. Application["appMyServiceUsage"] = ((int) Application["appMyServiceUsage"]) + 1; } return (int) Application["appMyServiceUsage"]; } [ WebMethod(Description="Number of times a particualr client session has accessed this XML Web service method.",EnableSession=true) ] public int PerSessionServiceUsage() { // If the XML Web service method hasn't been accessed, initialize // it to 1. if (Session["MyServiceUsage"] == null) { Session["MyServiceUsage"] = 1; } else { // Increment the usage count. Session["MyServiceUsage"] = ((int) Session["MyServiceUsage"]) + 1; } return (int) Session["MyServiceUsage"]; } } [Visual Basic] ＜%@ WebService Language="VB" Class="ServerUsage" %＞ Imports System.Web.Services Public Class ServerUsage Inherits WebService ＜WebMethod(Description := "Number of times this service has been accessed.")＞ _ Public Function ServiceUsage() As Integer ' If the XML Web service method hasn't been accessed, initialize ' it to 1. If Application("appMyServiceUsage") Is Nothing Then Application("appMyServiceUsage") = 1 Else ' Increment the usage count. Application("appMyServiceUsage") = _ CInt(Application("appMyServiceUsage")) + 1 End If Return CInt(Application("appMyServiceUsage")) End Function ＜WebMethod(Description := "Number of times a particular client session has accessed this XML Web service method.", EnableSession := True)＞ _ Public Function PerSessionServiceUsage() As Integer ' If the XML Web service method hasn't been accessed, ' initialize it to 1. If Session("MyServiceUsage") Is Nothing Then Session("MyServiceUsage") = 1 Else ' Increment the usage count. Session("MyServiceUsage") = CInt(Session("MyServiceUsage")) + 1 End If Return CInt(Session("MyServiceUsage")) End Function End Class |
评论 (0) All
