连接池配置

把这段代码粘贴到web.xml中，其中value部分根据自己项目参数更改即可。 

< bean  id =  "dataSource"

              class = "org.apache.commons.dbcp.BasicDataSource"  >

              < property  name = "driverClassName"

                    value = "oracle.jdbc.driver.OracleDriver"  >

              </ property >

              < property  name = "url"

                    value = "jdbc:oracle:thin:@localhost:1521:orcl"  >

              </ property >

              < property  name = "username"  value = "" ></  property >

              < property  name = "password"  value = "" ></  property >

              < property  name = "maxActive"  value = "100"  ></ property >

              < property  name = "maxIdle"  value = "30"  ></ property >

              < property  name = "maxWait"  value = "10000"  ></ property >

        </ bean >