Maven+SpringMVC+Freemarker入门Demo

时间：2017-04-19 13:02:59 阅读：504 评论：0 收藏：0 [点我收藏+]

标签：ring maven session init build plain meta form 3.1

1 参考http://blog.csdn.net/haishu_zheng/article/details/51490299，用第二种方法创建一个名为mavenspringmvcfreemarker的Maven工程。

2 文件目录结构如下图所示

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3 在pom.xml中添加springmvc和freemarker的依赖包，添加完之后的完整内容为

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<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/4.0.0http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>mavenspringmvcfreemarker</groupId>
<artifactId>mavenspringmvcfreemarker</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>mavenspringmvcfreemarker</name>
<description />
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
</properties>
<dependencies>
<dependency>
<groupId>org.freemarker</groupId>
<artifactId>freemarker</artifactId>
<version>2.3.20</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context-support</artifactId>
<version>3.2.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-web</artifactId>
<version>3.2.9.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-webmvc</artifactId>
<version>3.2.9.RELEASE</version>
</dependency>
<dependency>
<groupId>javax</groupId>
<artifactId>javaee-api</artifactId>
<version>7.0</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.glassfish.web</groupId>
<artifactId>javax.servlet.jsp.jstl</artifactId>
<version>1.2.2</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>2.3.2</version>
<configuration>
<source>1.7</source>
<target>1.7</target>
</configuration>
</plugin>
<plugin>
<artifactId>maven-war-plugin</artifactId>
<version>2.2</version>
<configuration>
<version>3.1</version>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
</plugins>
</build>
</project>

4 web.xml中的完整内容为

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<?xml version="1.0"encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xmlns="http://xmlns.jcp.org/xml/ns/javaee"xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaeehttp://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd" id="WebApp_ID" version="3.1">
<display-name>mavenspringmvcfreemarker</display-name>
<servlet>
<servlet-name>spring</servlet-name>
<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>spring</servlet-name>
<url-pattern>/</url-pattern>
</servlet-mapping>
</web-app>

5 spring-servlet.xml中的完整内容为：

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<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"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">
<context:component-scan base-package="com.demo" />
<bean
class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
<bean
class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
<bean id="freemarkerConfiguration"
class="org.springframework.beans.factory.config.PropertiesFactoryBean">
<property name="location" value="classpath:conf/freemarker.properties" />
</bean>
<bean id="freemarkerConfig"
class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
<property name="templateLoaderPath" value="/WEB-INF/ftl/" />
<property name="freemarkerVariables">
<map>
<entry key="xml_escape" value-ref="fmXmlEscape" />
</map>
</property>
</bean>
<bean id="fmXmlEscape" class="freemarker.template.utility.XmlEscape" />
<bean id="freemakerViewResolver"
class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
<property name="viewClass"
value="org.springframework.web.servlet.view.freemarker.FreeMarkerView" />
<property name="viewNames">
<array>
<value>*.ftl</value>
</array>
</property>
<property name="contentType" value="text/html; charset=UTF-8" />
<property name="exposeRequestAttributes" value="true" />
<property name="exposeSessionAttributes" value="true" />
<property name="exposeSpringMacroHelpers" value="true" />
<property name="requestContextAttribute" value="request" />
<property name="order" value="1" />
</bean>
</beans>

注意：web.xml中，有个<servlet-name>为spring，所以这个文件起名为spring-servlet.xml。这样，程序自动会去加载spring-servlet.xml。也就说<xxx>-servlet.xml中的<xxx>必须与<servlet-name>的值完全对应。

不对应当然也可以，但是要在web.xml中显示指定加载。

比如：把spring-servlet.xml改名为applicationContext.xml，则要在web.xml中的</servlet-class>下方加代码：

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<init-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/applicationContext.xml</param-value>
</init-param>

6 freemarker.properties中的完整内容为

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tag_syntax=auto_detect
template_update_delay=2
default_encoding=UTF-8
output_encoding=UTF-8
locale=zh_CN
date_format=yyyy-MM-dd
time_format=HH:mm:ss
datetime_format=yyyy-MM-dd HH\:mm\:ss

7 StudentController.java中的完整代码为：

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package com.demo.controller;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.ui.Model;
@Controller
public class StudentController {
@RequestMapping("/helloWorld")
public String helloWorld(Model model) {
String word0 = "Hello ";
String word1 = "World!";
//将数据添加到视图数据容器中
model.addAttribute("word0",word0);
model.addAttribute("word1",word1);
return "Hello.ftl";
}
}

8 Hello.ftl中的完整代码为：

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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01Transitional//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>
<h2>${word0}${word1}</h2>
</body>
</html>