• Freemarker与Springmvc


    1.导入springmvc和freemarker的jar包

    2.web.xml中配置Spring和Springmvc

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app version="2.5" 
        xmlns="http://java.sun.com/xml/ns/javaee" 
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
        http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
    
    <!-- Spring -->
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:SpringIOC.xml</param-value>
        </context-param>
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
    
    <!-- Spring MVC -->
        <servlet>
            <servlet-name>springmvc</servlet-name>
            <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
            <init-param>
                <param-name>contextConfigLocation</param-name>
                <param-value>classpath:SpringmvcIOC.xml</param-value>
            </init-param>
            <load-on-startup>1</load-on-startup>
        </servlet>
    
        <servlet-mapping>
            <servlet-name>springmvc</servlet-name>
            <url-pattern>/</url-pattern>
        </servlet-mapping>
    
    
    </web-app>

    3.建立ftl模板(WEB-INF/view/hello.ftl)

    <!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>${title}</title>
        </head>
        <body>
            ${content}
            <br><hr>
            <#list citys as c>
                索引:${c_index}; 内容:${c}<br>
            </#list>
            
            <br><hr>
            <#if age gt 21>
                age is ${age}
            <#else>
                age${age} 小于21
            </#if>
            
            <#if txt??>${txt[5..20]}</#if>
            <br><hr>
            ${date?string("yyyy-mm-dd")!"null"}
            
            <#macro m1>   <#--定义指令m1 -->
                <b>aaabbbccc</b>
                <b>dddeeefff</b>
            </#macro>
            <@m1 /><@m1 />  <#--调用上面的宏指令 -->
            
            <#macro m2 a b c >
            ${a}--${b}--${c}
            </#macro>
            <@m2 a="老高" b="老张" c="老马" />
            <#--
            测试include指令:
            <#include "included.txt" />
            -->
        </body>
    </html>

    4.在SpringmvcIOC.xml中配置freemarker(也可以在SpringIOC.xml中配置,SpringIOC.xml文件中无任何配置)

    《SpringIOC容器的范围已经大于SpringmvcIOC容器的作用范围;Springmvc的bean可以使用Spring中的,反之不可》

    <?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:jee="http://www.springframework.org/schema/jee"
        xmlns:mvc="http://www.springframework.org/schema/mvc"
        xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
            http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.2.xsd
            http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-3.2.xsd
            http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.2.xsd">
        <!-- 
        <context:component-scan base-package="com.wzy.controller"></context:component-scan>
         -->
        
        <bean id="m" class="com.wzy.controller.Main">
        </bean>
    
    
         <!-- Freemarker配置 -->
        <bean id="freemarkerConfig"
              class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
            <property name="templateLoaderPath" value="/WEB-INF/view/" />
            <property name="freemarkerSettings">
                <props>
                    <prop key="template_update_delay">0</prop>
                    <prop key="default_encoding">UTF-8</prop>
                    <prop key="number_format">0.##########</prop>
                    <prop key="datetime_format">yyyy-MM-dd HH:mm:ss</prop>
                    <prop key="classic_compatible">true</prop>
                    <prop key="template_exception_handler">ignore</prop>
                </props>
            </property>
        </bean>
        <!--视图解释器 -->
        <bean id="viewResolver"
              class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
            <property name="suffix">
                <value>.ftl</value>
            </property>
            <property name="contentType" value="text/html;charset=UTF-8"></property>
        </bean>
        
        <!-- 地址转发器 
        <bean name="HelloAction" class="HelloWordController.HelloWordController" />
        <bean id="urlMapping"
              class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping">
        <property name="mappings">
            <props>
                     映射URL地址 
                <prop key="/hello.do">HelloAction</prop>
            </props>
        </property>
        
        </bean>
        -->
    </beans>

    5.控制器

    package com.wzy.controller;
    
    import java.util.ArrayList;
    import java.util.Date;
    import java.util.List;
    import java.util.Map;
    
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class Main {
        
        @RequestMapping("hello")
        public String hello(Map mv) {
              mv.put("title", "s_f");
              mv.put("content", "當前時間為: "+new Date());
              List l = new  ArrayList();
              l.add("北京");
              l.add("上海");
              l.add("广州");
              l.add("南京");
              mv.put("citys", l);
              mv.put("age", 20);
              mv.put("txt", "14:17:37.724 "
                      + "[http-nio-8080-exec-8] DEBUG o.s.web.servlet.DispatcherServlet -"
                      + " Successfully completed request");
              mv.put("date", new Date());
            return "hello";//返回view/hello.ftl
        }
    }

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  • 原文地址:https://www.cnblogs.com/wwzyy/p/5498054.html
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