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
- Visual Basic .NET处理Excel表格全接触
- ASP.NET缓存方法分析和实践示例
- .NET Framework 新功能和增强的功能
- ASP.NET MVC ：MVC页面验证与授权
- URL的传递字符串问题小研究
- .NET程序员新方向 Ruby核心语法入门
- Asp.net教程:设计IP地址屏蔽功能
- asp.net中的观察者模式
- ASP.NET网站程序防SQL注入式攻击方法
- ASp.Net自定义验证码控件
- ASP.Net开发新手常见问题备忘录
- .net解决数据导出excel时的格式问题
- 让.Net 应用程序突破2G的内存访问限制
- asp.net 获取客户端IP与mac
- 用ASP.NET创建网络相册 保存美好时光
- 创建基于ASP.NET的SMTP邮件系统
- 在ASP.Net 中实现将图片存入数据库
- 经典ASP.NET打印技术
- 详细解读.NET中的代码动态编译
- 如何在VC中实现淡入淡出的启动画面
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: 120 ::
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
