jsp service bean

//在jsp中使用后台service中方法需要在jsp页面引入service bean
 1 <%@page import="com..entity.Users"%>
 <%@page import="com.service.UsersService"%>
 <%@page import="com.service.UserAmountLogService"%>
 <%@page import="com.entity.UserAmountLog"%>
 <%@page import="org.springframework.context.ApplicationContext"%>
 <%@page import="org.springframework.web.context.support.WebApplicationContextUtils"%>
  <jsp:useBean id="userAmountLogService" class="com.service.impl.UserAmountLogServiceImpl"/>
  <jsp:useBean id="usersService" class="com.service.impl.UsersServiceImpl"/>
 <%
 ApplicationContext context =WebApplicationContextUtils. getWebApplicationContext(application);
 UserAmountLogService amountLogService =(UserAmountLogService)context.getBean("userAmountLogService");
 UsersService userService=(UsersService)context.getBean("usersService");
 %>