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SpringMVC集成velocity模版

发布于 2016-05-16 15:31:52 | 197 次阅读 | 评论: 0 | 来源: PHPERZ

这里有新鲜出炉的Velocity入门教程，程序狗速度看过来！

Velocity 模板引擎

Velocity是一个基于java的模板引擎（template engine）。它允许任何人仅仅简单的使用模板语言（template language）来引用由java代码定义的对象。

  1. 项目的目录结构如图

  2. UserAction，首先在action层把需要返给前端的数据组装好，源代码如下

package com.shengfeng.action;

import java.util.HashMap;
import java.util.Map;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;

import com.shengfeng.po.User;
import com.shengfeng.service.UserService;


@Controller
@RequestMapping("/user")
public class UserAction {
    
    @Autowired
    @Qualifier("userService")
    private UserService userService;
    
    @RequestMapping("/userInfo.html")
    public ModelAndView getUserInfo() {
        User user = userService.getUserByUserId(1);
        Map<String,Object> userInfoMap = new HashMap<String,Object>();
        userInfoMap.put("username",user.getUsername());
        userInfoMap.put("password",user.getPassword());
        userInfoMap.put("level",user.getLevel());
        userInfoMap.put("sex",user.getSex());
        userInfoMap.put("mobilephone",user.getMobilephone());
        userInfoMap.put("img",user.getImg());
        
        ModelAndView view = new ModelAndView("/user/userInfo");
        view.addObject("userInfo",userInfoMap);
        return view;
        
    }
}

3.然后spring的配置文件，applicationContext.xml

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context="http://www.springframework.org/schema/context"
	xmlns:aop="http://www.springframework.org/schema/aop"
	xsi:schemaLocation="http://www.springframework.org/schema/beans
           http://www.springframework.org/schema/beans/spring-beans-3.2.xsd
           http://www.springframework.org/schema/context
           http://www.springframework.org/schema/context/spring-context-3.2.xsd
           http://www.springframework.org/schema/aop
           http://www.springframework.org/schema/aop/spring-aop-3.2.xsd">

	<context:annotation-config />

	<context:component-scan base-package="com.shengfeng"/>
	
	
	<bean id="velocityConfigurer"
		class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
		<property name="resourceLoaderPath">
			<value>WEB-INF/view</value>
		</property>
		<property name="velocityProperties">
			<props>
				<prop key="input.encoding">UTF-8</prop>
				<prop key="output.encoding">UTF-8</prop>
			</props>
		</property>
	</bean>
	<bean id="viewResolver"
		class="org.springframework.web.servlet.view.velocity.VelocityViewResolver">
		<property name="contentType" value="text/html;charset=UTF-8" />
		<property name="exposeSpringMacroHelpers" value="true" />
		<property name="suffix" value=".vm" />
		<property name="toolboxConfigLocation" value="WEB-INF/velocity-toolbox.xml" />
		<property name="cache" value="false" />
	</bean>


</beans>

4.velocity-toolbox.xml

<?xml version="1.0"?>
<toolbox>
    <tool>
        <key>date</key>
        <scope>request</scope>
        <class>
            org.apache.velocity.tools.generic.DateTool
        </class>
        <parameter name="format" value="yyyy-MM-dd HH:mm:ss"/>
    </tool>
    <tool>
        <key>link</key>
        <scope>request</scope>
        <class>org.apache.velocity.tools.view.tools.LinkTool</class>
    </tool>
    <tool>
        <key>stringUtils</key>
        <scope>request</scope>
        <class>org.apache.velocity.util.StringUtils</class>
    </tool>
    <tool>
        <key>math</key>
        <scope>application</scope>
        <class>org.apache.velocity.tools.generic.MathTool</class>
    </tool>
    <tool>
        <key>esc</key>
        <scope>request</scope>
        <class>org.apache.velocity.tools.generic.EscapeTool</class>
    </tool>
    <tool>
        <key>params</key>
        <scope>request</scope>
        <class>org.apache.velocity.tools.view.tools.ParameterParser</class>
    </tool>
</toolbox>

5.userInfo.vm

{

	"username":"$!{userInfo.username}",
	"password":"$!{userInfo.password}",
	"level":"$!{userInfo.level}",
	"sex":$!{userInfo.sex},
	"mobilephone":"$!{userInfo.mobilephone}",
	"img":"$!{userInfo.img}"
	
}

6.web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xmlns="http://java.sun.com/xml/ns/javaee"
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"
	version="2.5">

	<display-name>myweb</display-name>

	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath*:applicationContext*.xml</param-value>
	</context-param>

	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>

	<servlet>
		<servlet-name>myweb</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath*:applicationContext.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>myweb</servlet-name>
		<url-pattern>*.html</url-pattern>
	</servlet-mapping>



</web-app>

7.pom.xml

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
	<modelVersion>4.0.0</modelVersion>
	<groupId>shengfeng.item</groupId>
	<artifactId>myweb</artifactId>
	<packaging>war</packaging>
	<version>1.0</version>
	<name>myweb Maven Webapp</name>
	<url>http://maven.apache.org</url>

	<build>
		<finalName>myweb</finalName>
		<resources>
			<resource>
				<includes>
					<include>datasource.properties</include>
					<include>applicationContext.xml</include>
					<include>applicationContext-mybatis.xml</include>
				</includes>
				<directory>src/main/resources</directory>
				<filtering>true</filtering>
			</resource>
			<resource>
				<directory>src/main/resources</directory>
				<filtering>false</filtering>
			</resource>
			<resource>
				<directory>src/main/java</directory>
				<includes>
					<include>**/*.xml</include>
				</includes>
			</resource>
		</resources>
		<testResources>
			<testResource>
				<directory>src/test/resources</directory>
				<filtering>false</filtering>
			</testResource>
		</testResources>

	</build>



	<dependencies>
		<dependency>
			<groupId>junit</groupId>
			<artifactId>junit</artifactId>
			<version>4.11</version>
			<scope>test</scope>
		</dependency>

		<!-- mybatis核心包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis</artifactId>
			<version>3.2.8</version>
		</dependency>

		<!-- mybatis/spring包 -->
		<dependency>
			<groupId>org.mybatis</groupId>
			<artifactId>mybatis-spring</artifactId>
			<version>1.2.2</version>
		</dependency>

		<!-- mysql驱动包 -->
		<dependency>
			<groupId>mysql</groupId>
			<artifactId>mysql-connector-java</artifactId>
			<version>5.1.29</version>
		</dependency>

		<!-- spring核心包 -->
		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-core</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-web</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-oxm</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-tx</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-jdbc</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-webmvc</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aspects</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-context-support</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-aop</artifactId>
			<version>3.2.11.RELEASE</version>
		</dependency>

		<dependency>
			<groupId>org.springframework</groupId>
			<artifactId>spring-test</artifactId>
			<version>3.2.11.RELEASE</version>
			<scope>test</scope>
		</dependency>


		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>fastjson</artifactId>
			<version>1.1.41</version>
		</dependency>


		<dependency>
			<groupId>commons-lang</groupId>
			<artifactId>commons-lang</artifactId>
			<version>2.4</version>
		</dependency>

		<!-- 阿里巴巴数据源包 -->
		<dependency>
			<groupId>com.alibaba</groupId>
			<artifactId>druid</artifactId>
			<version>1.0.2</version>
		</dependency>
		<dependency>
			<groupId>org.apache.httpcomponents</groupId>
			<artifactId>httpclient</artifactId>
			<version>4.3.5</version>
		</dependency>


		<dependency>
			<groupId>org.apache.velocity</groupId>
			<artifactId>velocity</artifactId>
			<version>1.7</version>
		</dependency>
		<dependency>
			<groupId>org.apache.velocity</groupId>
			<artifactId>velocity-tools</artifactId>
			<version>2.0</version>
		</dependency>

	</dependencies>

</project>

8.启动tomcat，访问http://localhost:8080/myweb/user/userInfo.html可以看到：

返回了一个json数据，大功告成



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