基于注解SpringMVC+freemarker实例

基于注解的SpringMVC+freemarker demo实例

 

web项目图

 

web.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd">
  <servlet>
	<!-- 配置DispatcherServlet -->
	<servlet-name>springmvc</servlet-name>
	<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
	<!-- 指定spring mvc配置文件位置 不指定使用默认情况 -->
	  <init-param>   
        <param-name>contextConfigLocation</param-name>   
    	<param-value>/WEB-INF/springmvc-servlet.xml</param-value>
    	<!--默认:/WEB-INF/<servlet-name>-servlet.xml
		classpath方式:<param-value>classpath:/spring-xml/*.xml</param-value>    
    	 -->   
       </init-param>
	<!-- 设置启动顺序 -->
	<load-on-startup>1</load-on-startup>
  </servlet>
  <!-- 配置映射 servlet-name和DispatcherServlet的servlet一致 -->
  <servlet-mapping>
	<servlet-name>springmvc</servlet-name>
	<url-pattern>/</url-pattern><!-- 拦截以/所有请求 -->
  </servlet-mapping>
  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
</web-app>

 

springmvc-servlet.xml文件

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:aop="http://www.springframework.org/schema/aop"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
	xsi:schemaLocation="http://www.springframework.org/schema/beans 
	http://www.springframework.org/schema/beans/spring-beans.xsd
	 http://www.springframework.org/schema/mvc 
	 http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd 
	 http://www.springframework.org/schema/aop 
	 http://www.springframework.org/schema/aop/spring-aop-3.0.xsd 
	 http://www.springframework.org/schema/context 
	 http://www.springframework.org/schema/context/spring-context.xsd">

	 <!-- 默认注解映射支持 -->
	 <mvc:annotation-driven/>	
	 <!-- 自动扫描包 --> 
	 <context:component-scan base-package="com.spring.freemarker" />
	 
	 <!--<context:annotation-config /> 配置自动扫描包配置此配置可省略-->	
	 <!--<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" 配置自动扫描包配置此配置可省略/>-->
	 <!-- 配置freeMarker的模板路径 -->
	 <bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
		<property name="templateLoaderPath" value="WEB-INF/ftl/" />
		<property name="defaultEncoding" value="UTF-8" />
	 </bean>
	 <!-- freemarker视图解析器 -->
	 <bean class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
	 	<property name="suffix" value=".ftl" />
	 	<property name="contentType" value="text/html;charset=UTF-8" />
	 	<!-- 此变量值为pageContext.request, 页面使用方法：rc.contextPath -->
		<property name="requestContextAttribute" value="rc" />
	 </bean>
</beans>

 

 FreeMarkerController类

package com.spring.freemarker;

import java.util.ArrayList;
import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.spring.vo.User;

@Controller
@RequestMapping("/home")
public class FreeMarkerController {

	@RequestMapping("/index")
	public ModelAndView Add(HttpServletRequest request, HttpServletResponse response) {

		User user = new User();
		user.setUsername("zhangsan");
		user.setPassword("1234");
		List<User> users = new ArrayList<User>();
		users.add(user);
		return new ModelAndView("index", "users", users);
	}

}

 User类

package com.spring.vo;

public class User {

	private String username;
	private String password;

	public String getUsername() {
		return username;
	}

	public void setUsername(String username) {
		this.username = username;
	}

	public String getPassword() {
		return password;
	}

	public void setPassword(String password) {
		this.password = password;
	}

}

 

 index.ftl文件

<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<#list users as user>
username : ${user.username}<br/>
password : ${user.password}
</#list>
</body>
</html>

 部署到tomcat，运行：http://localhost:8080/springmvc/home/index

  显示结果：

  username : zhangsan
  password : 1234