tomcat中怎么配置数据源????

在server.xml里</Host>之前加上以下代码，其中具体设置根据自己需要修改
  <Context path="/schoolManageSystem"docBase="/usr/local/tomcat/webapps/schoolManageSystem" debug="0">
          <Resource name="jdbc/MysqlDB" auth="Container" type="javax.sql.DataSource"/> 
                             
          <ResourceParams name="jdbc/MysqlDB">
                             
            <parameter>
                                    
          <name>factory</name>
                                    
          <value>org.apache.commons.dbcp.BasicDataSourceFactory</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>driverClassName</name>
                                    
          <value>org.gjt.mm.mysql.Driver</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>url</name>
                                    
          <value>jdbc:mysql://172.16.128.34/数据库名</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>username</name>
                                    
          <value>root</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>password</name>
                                    
          <value></value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>maxActive</name>
                                    
          <value>20</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>maxIdle</name>
                                    
          <value>10</value>
                             
            </parameter>
                             
            <parameter>
                                    
          <name>maxWait</name>
                                    
          <value>-1</value>
                             
            </parameter>
                             
          </ResourceParams>        
        </Context>