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代码


<?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代码


<?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

Java代码


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

Java代码


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

Ftl代码


<!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