spring+tomcat 提供jndi数据源

1.jee命名空间
xmlns:jee="http://www.springframework.org/schema/jee"
xsi:schemaLocation="http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.0.xsd"
2.spring context 添加配置
  方法1.
   <jee:jndi-lookup id="dbDataSource"
   jndi-name="jdbc/DatabaseName"
   expected-type="javax.sql.DataSource" />
  方法2.
    <bean id="dbDataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
        <property name="jndiName" value="java:comp/env/jdbc/DatabaseName"/>
    </bean>
3.tomcat server.xml添加配置
   <GlobalNamingResources>
      <Resource name="jdbc/DatabaseName" auth="Container" type="javax.sql.DataSource"
              username="dbUsername" password="dbPasswd"
              url="jdbc:postgresql://localhost/dbname"
              driverClassName="org.postgresql.Driver"
              initialSize="5" maxWait="5000"
              maxActive="120" maxIdle="5"
              validationQuery="select 1"
              poolPreparedStatements="true"/>
   </GlobalNamingResources/>
4.tomcat context.xml添加配置
   <ResourceLink name="jdbc/DatabaseName"
   global="jdbc/DatabaseName"
   type="javax.sql.DataSource"/>