官方簡介:FreeMarker 是一款 模板引擎: 即一種基於模板和要改變的數據, 並用來生成輸出文本(HTML網頁,電子郵件,配置文件,源代碼等)的通用工具。 它不是面向最終用戶的,而是一個Java類庫,是一款程序員能夠嵌入他們所開發產品的組件。html
最終項目的目錄以下:程序員
01.首先利用maven構建一個以war方式打包的web工程web
finish後,看到以下報錯
而後進行解決spring
springmvc的依賴spring-mvc
<!-- springmvc start --> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-webmvc</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- springmvc end -->
freemarker的依賴tomcat
<!-- freeMarker start --> <dependency> <groupId>org.freemarker</groupId> <artifactId>freemarker</artifactId> <version>2.3.23</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-context-support</artifactId> <version>4.3.7.RELEASE</version> </dependency> <!-- freeMarker end -->
03.web.xml的配置mvc
<!-- 配置 DispatcherServlet --> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <!-- 指定 SpringMVC 配置文件的位置和名稱 若SpringMVC的配置文件名的格式和位置知足: /WEB-INF/servlet-name + "-servlet.xml" 則能夠省略下面的init-param代碼。這裏的servlet-name是springmvc。 即/WEB-INF/springmvc-servlet.xml --> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath*:/applicationContext-web.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <!-- Web請求 --> <servlet-mapping> <servlet-name>springmvc</servlet-name> <!-- servlet知識點:處理全部請求 --> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 字符集過濾器 --> <filter> <filter-name>encodingFilter</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> <init-param> <param-name>forceEncoding</param-name> <param-value>true</param-value> </init-param> </filter> <filter-mapping> <filter-name>encodingFilter</filter-name> <url-pattern>/*</url-pattern> </filter-mapping>
04.建立springmvc的配置文件app
<?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:mvc="http://www.springframework.org/schema/mvc" xsi:schemaLocation="http://www.springframework.org/schema/beanshttp://www.springframework.org/schema/beans/spring-beans.xsd http://www.springframework.org/schema/contexthttp://www.springframework.org/schema/context/spring-context-4.0.xsd http://www.springframework.org/schema/mvchttp://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd"> <!-- 配置自定掃描的包 --> <context:component-scan base-package="freemarker" /> <!-- 整合Freemarker --> <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"> <property name="templateLoaderPath" value="/WEB-INF/templates"/> </bean> <!-- 配置視圖解析器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver"> <property name="prefix" value=""/> <property name="suffix" value=".ftl"/> <property name="contentType" value="text/html; charset=UTF-8"/> </bean> <!-- 配置註解驅動 --> <mvc:annotation-driven /> <!-- 配置直接跳轉的頁面,無需通過Controller層 http://localhost:8080/freemarker01/index 而後會跳轉到 WEB-INF/templates/index.html 頁面 --> <mvc:view-controller path="/index" view-name="index"/> </beans>
05.在WEB-INF目錄下建立templates目錄,設置直接跳轉的頁面index.ftlmaven
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <!-- <meta http-equiv="refresh" content="0; url=hello.ftl" /> --> <title>Insert title here</title> </head> <body> <a href="helloFtl">hello</a> </body> </html>
06.在controller層建立一個類ide
package freemarker.controller; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; @Controller public class Hello { @RequestMapping(value = "helloFtl") public String helloFtl(Model model) { model.addAttribute("hello", "hello world!"); return "helloFtl"; } }
07.在templates目錄下建立一個helloFtl.ftl文件
<!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>Insert title here</title> </head> <body> ${hello} </body> </html>
啓動tomcat後,輸入如下網址查看效果:
點擊hello的連接就能夠從controller層獲取數據和跳轉頁面
長按識別二維碼