springmvc freemarker 之間的傳參問題練習出問題出現在配置文件上

2019-11-14 09:14:07

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1.pom.xml配置

<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/xsd/maven-4.0.0.xsd">	<modelVersion>4.0.0</modelVersion>	<groupId>com.zxx</groupId>	<artifactId>jettydemo</artifactId>	<version>0.0.1-SNAPSHOT</version>	<packaging>war</packaging>	<properties>		<!-- spring版本號 -->		<spring.version>3.2.4.RELEASE</spring.version>	</properties>	<dependencies>		<!-- 添加Servlet -->		<dependency>			<groupId>javax.servlet</groupId>			<artifactId>servlet-api</artifactId>			<version>2.5</version>			<scope>provided</scope>		</dependency>		<!-- springmvc -->		<!-- spring核心包 -->		<!-- 1)spring核心依賴 -->		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-context-support</artifactId>			<version>${spring.version}</version>		</dependency>				<!--2）spring dao層依賴 -->		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-jdbc</artifactId>			<version>${spring.version}</version>		</dependency>		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-tx</artifactId>			<version>${spring.version}</version>		</dependency>		<!-- 3)srping web依賴 -->		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-web</artifactId>			<version>${spring.version}</version>		</dependency>			<!--4） 映射支持依賴 -->		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-oxm</artifactId>			<version>${spring.version}</version>		</dependency>		<!-- JSTL標簽類 -->		<dependency>			<groupId>jstl</groupId>			<artifactId>jstl</artifactId>			<version>1.2</version>		</dependency> 		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-context</artifactId>			<version>3.2.4.RELEASE</version>			<type>jar</type>		</dependency> 		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-core</artifactId>			<version>3.2.4.RELEASE</version>			<type>jar</type>		</dependency>		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-beans</artifactId>			<version>3.2.4.RELEASE</version>			<type>jar</type>		</dependency>		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-webmvc</artifactId>			<version>3.2.4.RELEASE</version>			<type>jar</type>		</dependency>		<dependency>			<groupId>org.springframework</groupId>			<artifactId>spring-orm</artifactId>			<version>3.2.4.RELEASE</version>			<type>jar</type>		</dependency>		<!-- FreeMarker -->		<dependency>			<groupId>org.freemarker</groupId>			<artifactId>freemarker</artifactId>			<version>2.3.19</version>		</dependency>	</dependencies>	<build>		<plugins>			<plugin>				<groupId>org.mortbay.jetty</groupId>				<artifactId>maven-jetty-plugin</artifactId>				<version>6.1.24</version>				<configuration>					<webDefaultXml>jetty.xml</webDefaultXml>					<contextPath>/</contextPath>					<scanIntervalSeconds>3</scanIntervalSeconds>					<connectors>						<connector implementation="org.mortbay.jetty.nio.SelectChannelConnector">							<port>8080</port>							<maxIdleTime>60000</maxIdleTime>						</connector>					</connectors>					<stopPort>9961</stopPort>					<stopKey>foo</stopKey>					<webAppConfig>						<contextPath>/</contextPath>					</webAppConfig>				</configuration>			</plugin>		</plugins>	</build></project>2.web.xml配置
<?xml version="1.0" encoding="UTF-8"?><web-app xmlns:javaee="http://java.sun.com/xml/ns/javaee"	xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">	<!-- 啟動spring框架 -->	<listener>		<listener-class>			org.springframework.web.context.ContextLoaderListener		</listener-class>	</listener>	<!-- 配置啟動spring框架時需要加載配置問價的路徑 -->	<context-param>		<param-name>contextConfigLocation</param-name>		<param-value>			/WEB-INF/applicationContext-*.xml		</param-value>	</context-param>	<!-- springmvc -->	<servlet>		<servlet-name>suibian</servlet-name>		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>		<!-- contextConfigLocation不是必須的， 如果不配置contextConfigLocation，DispatcherServlet會默認加載[servlet-name]-servlet.xml文件。 -->		<init-param>			<param-name>contextConfigLocation</param-name>			<param-value>classpath:springmvc.xml</param-value>		</init-param>		<load-on-startup>1</load-on-startup>	</servlet>	<servlet-mapping>		<servlet-name>suibian</servlet-name>		<url-pattern>*.htm</url-pattern>	</servlet-mapping>	<!-- <servlet>		<servlet-name>Hello</servlet-name>		<servlet-class>example.Hello</servlet-class>	</servlet>	<servlet-mapping>		<servlet-name>Hello</servlet-name>		<url-pattern>*.do</url-pattern>	</servlet-mapping> -->	<welcome-file-list>		<welcome-file>index.html</welcome-file>	</welcome-file-list></web-app> 
3.springmvc.xml配置
<?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:p="http://www.springframework.org/schema/p"	xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"	xmlns:util="http://www.springframework.org/schema/util"	xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd                http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd                http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-3.1.xsd">	<!-- 配置包掃描 -->	<context:component-scan base-package="com.zxx.controller" />	<!-- 表示要注冊兩個對象DefaultAnnotationHandlerMapping與AnnotationMethodHandlerAdapter這兩個對象可以幫助我們做好多的工作如：類型轉換，靜態資源放行，以及國際化等。。。 -->	<mvc:annotation-driven />	<!-- <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> 		<property name="prefix" value="/" /> <property name="suffix" value=".ftl" 		/> <property name="contentType" value="text/html;charset=UTF-8" /> <property 		name="requestContextAttribute" value="request" /> </bean> -->	<!-- 靜態資源放行 -->	<mvc:resources location="/WEB-INF/img/" mapping="/img/**" />	<!-- 配置視圖解析器 -->	<!-- FreeMarker視圖解析 如返回student。。在這里配置后綴名ftl和視圖解析器。。 -->	<bean id="viewResolver"		class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">		<property name="viewClass"			value="org.springframework.web.servlet.view.freemarker.FreeMarkerView"></property>		<property name="prefix" value="/" /> 		<property name="suffix" value=".ftl" />		<property name="contentType" value="text/html;charset=utf-8" />		<property name="exposeRequestAttributes" value="true" />		<property name="exposesessionAttributes" value="true" />		<property name="exposeSpringMacroHelpers" value="true" />	</bean>	<!-- freemarker的配置 -->	<bean id="freemarkerConfig"		class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">		<property name="templateLoaderPath" value="/templates/" />		<property name="defaultEncoding" value="utf-8" />		<property name="freemarkerSettings">			<props>				<prop key="template_update_delay">10</prop>				<prop key="locale">zh_CN</prop>				<prop key="datetime_format">yyyy-MM-dd</prop>				<prop key="date_format">yyyy-MM-dd</prop>				<prop key="number_format">#.##</prop>			</props>		</property>	</bean></beans> 
4.controller編寫
package com.zxx.controller;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.ui.ModelMap;import org.springframework.web.bind.annotation.ModelAttribute;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.servlet.ModelAndView;@Controller()@RequestMapping("/login")public class LoginController { private static final String ps = "login"; @RequestMapping("/regist.htm") public ModelAndView loginlog() {  ModelAndView result = new ModelAndView(ps);  result.addObject("userList", "ppppppppppppppp");  result.addObject("bb", "999");  return result; }}5.login.ftl書寫
<html><head><meta http-equiv="Cache-Control" content="no-cache" /><meta http-equiv="content-type" content="text/html; charset=utf-8"><title>Hello</title></head><body><hr><h1>      ${bb}</h1></body></html>運行 jetty:run
 
http://localhost:8080/login/regist.htm
 
會返回頁面顯示 999