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spring mvc

intercaptor對(duì)controller前后的操作

springmvc結(jié)構(gòu)圖

Spring MVC

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forward & redirect

Controller

import 的 model 是 “import org.springframework.ui.Model;”，而不是maven里的model類

Spring MVC

DispatcherServlet

Maven

修改中心倉(cāng)庫(kù)

mvn?-version

Maven

Spring MVC

Spring MVC

MVC 架構(gòu)

Front Controller

雖然和教程里的運(yùn)行結(jié)果一樣，但是很多地方我不理解，所以下面的代碼里很可能有錯(cuò)誤的地方

web.xml

<!DOCTYPE?web-app?PUBLIC
?"-//Sun?Microsystems,?Inc.//DTD?Web?Application?2.3//EN"
?"http://java.sun.com/dtd/web-app_2_3.dtd"?>

<web-app>
??<display-name>Archetype?Created?Web?Application</display-name>
??
??<servlet>
???<servlet-name>mvc-dispatcher</servlet-name>
???<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
???<!--DispatcherServlet對(duì)應(yīng)的上下文配置，默認(rèn)為/WEB-INF/$servlet-name$-servlet.xml，下面語(yǔ)句改變了該默認(rèn)參數(shù)
???-->
???<init-param>
???<param-name>contextConfigLocation</param-name>
???<param-value>/WEB-INF/configs/spring/mvc-dispatcher-servlet.xml</param-value>
???</init-param>
???<load-on-startup>1</load-on-startup>
??</servlet>

??<servlet-mapping>
??<servlet-name>mvc-dispatcher</servlet-name>
??<url-pattern>/</url-pattern>
??</servlet-mapping>
??
</web-app>

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mvc-dispatcher-servlet

<?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/beans
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd">

<context:annotation-config/>

<!--?讓DispatcherServelt上下文只搜索@Controller標(biāo)注的類，不搜索其他標(biāo)注的類?-->
<context:component-scan?base-package="com.imooc.mvcdemo.controller"?use-default-filters="false">
<context:include-filter?type="annotation"?expression="org.springframework.stereotype.Controller"/>
</context:component-scan>

<mvc:annotation-driven?/>

<!--?viewResolver?-->
<bean?class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property?name="ViewClass"?value="org.springframework.web.servlet.view.JstlView"/>
<property?name="prefix"?value="/WEB-INF/jsps/"?/>
<property?name="suffix"?value=".jsp"/>
</bean>

</beans>

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pom.xml（與教程中不太一樣，教程里的一些東西我沒(méi)有寫上去）

<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>com.how2java</groupId>
??<artifactId>springmvc2021071501</artifactId>
??<version>0.0.1-SNAPSHOT</version>
??<name>springmvc2021071501?Maven?Webapp</name>
??<url>http://maven.apache.org</url>
??
??<dependencyManagement>
??????<dependencies>
??????????<dependency>
??????????<groupId>org.springframework</groupId>
??????????<artifactId>spring-framework-bom</artifactId>
??????????<version>${spring.version}</version>
??????????<type>pom</type>
??????????
??????????</dependency>
??????</dependencies>
??</dependencyManagement>
??
??<dependencies>
????<dependency>
??????<groupId>junit</groupId>
??????<artifactId>junit</artifactId>
??????<version>3.8.1</version>
??????<scope>test</scope>
????</dependency>
????<dependency>
????????<groupId>mysql</groupId>
????????<artifactId>mysql-connector-java</artifactId>
????????<version>5.1.43</version>
????</dependency>
????<dependency>
????????<groupId>javax.servlet</groupId>
????????<artifactId>javax.servlet-api</artifactId>
????????<version>4.0.0-b07</version>
????</dependency>
????<dependency>
????????<groupId>apache-lang</groupId>
????????<artifactId>commons-lang</artifactId>
????????<version>2.1</version>
????????<type>pom.lastUpdated</type>
????</dependency>
????<dependency>
????????<groupId>org.springframework</groupId>
????????<artifactId>spring-webmvc</artifactId>
????????<version>4.3.13.RELEASE</version>
????</dependency>
????<dependency>
????????<groupId>org.eclipse.jetty</groupId>
????????<artifactId>jetty-maven-plugin</artifactId>
????????<version>9.3.0.M1</version>
????????<type>maven-plugin</type>
????</dependency>
??</dependencies>
??<build>
????<finalName>springmvc2021071501</finalName>
????<plugins>
????????<plugin>
????????????<groupId>org.eclipse.jetty</groupId>
????????????<artifactId>jetty-maven-plugin</artifactId>
????????????<version>9.3.0.M1</version>
????????</plugin>
????</plugins>
??</build>
</project>

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