<data-sources>
<data-source type="org.apache.tomcat.dbcp.dbcp.BasicDataSource"key="source"> 
   <set-property property="driverClassName"  value="com.microsoft.jdbc.sqlserver.SQLServerDriver"/>   
   <set-property property="url" value="jdbc:microsoft:sqlserver://127.0.0.1:1433;databaseName=库名"/> 
   <set-property property="username" value="数据库用户名"/>
   <set-property property="password" value="密码"/>
   <set-property property="maxActive" value="最大连接数"/>
</data-source>
</data-sources>