关于Struts问题，大家帮忙啊

用My eclipse构建基于Struts的简单登陆系统

 

我引入的包有以下几个

 

 

 

运行的时候提示信息如下：

严重: Initializing application data source org.apache.struts.action.DATA_SOURCEorg.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.microsoft.jdbc.sqlserver.SQLServerDriver'at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:766)at org.apache.commons.dbcp.BasicDataSource.setLogWriter(BasicDataSource.java:598)at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.java:1087)at org.apache.struts.action.ActionServlet.init(ActionServlet.java:472)at javax.servlet.GenericServlet.init(GenericServlet.java:211)at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1029)at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:862)at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4013)at org.apache.catalina.core.StandardContext.start(StandardContext.java:4357)at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3043)at org.apache.catalina.startup.HostConfig.restartContext(HostConfig.java:873)at org.apache.catalina.startup.HostConfig.checkContextLastModified(HostConfig.java:759)at org.apache.catalina.startup.HostConfig.check(HostConfig.java:1085)at org.apache.catalina.startup.HostConfig.lifecycleEvent(HostConfig.java:327)at org.apache.catalina.util.LifecycleSupport.fireLifecycleEvent(LifecycleSupport.java:119)at org.apache.catalina.core.StandardHost.backgroundProcess(StandardHost.java:800)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1619)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.processChildren(ContainerBase.java:1628)at org.apache.catalina.core.ContainerBase$ContainerBackgroundProcessor.run(ContainerBase.java:1608)at java.lang.Thread.run(Thread.java:619)Caused by: java.lang.ClassNotFoundException: com.microsoft.jdbc.sqlserver.SQLServerDriverat org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:854)at org.apache.catalina.loader.StandardClassLoader.loadClass(StandardClassLoader.java:721)at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319)at java.lang.Class.forName0(Native Method)at java.lang.Class.forName(Class.java:169)at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:760)... 19 more严重: Initializing application data source org.apache.struts.action.DATA_SOURCEorg.apache.commons.dbcp.SQLNestedException: Cannot load JDBC driver class 'com.microsoft.jdbc.sqlserver.SQLServerDriver'at org.apache.commons.dbcp.BasicDataSource.createDataSource(BasicDataSource.java:766)at org.apache.commons.dbcp.BasicDataSource.setLogWriter(BasicDataSource.java:598)at org.apache.struts.action.ActionServlet.initModuleDataSources(ActionServlet.java:1087)at org.apache.struts.action.ActionServlet.init(ActionServlet.java:472)at javax.servlet.GenericServlet.init(GenericServlet.java:211)at org.apache.catalina.core.StandardWrapper.loadServlet(StandardWrapper.java:1029)at org.apache.catalina.core.StandardWrapper.load(StandardWrapper.java:862)at org.apache.catalina.core.StandardContext.loadOnStartup(StandardContext.java:4013)at org.apache.catalina.core.StandardContext.start(StandardContext.java:4357)at org.apache.catalina.core.StandardContext.reload(StandardContext.java:3043)at org.apac

 

不知道哪里出错了，拜托大家帮下忙卟！