springMVC的使用

springMVC的使用
2.1 新建一个maven项目
2.2 导入jar包

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69

<!-- Spring --> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-context</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-core</artifactId>     <version>4.3.18.RELEASE</version> </dependency>   <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-beans</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-context-support</artifactId>     <version>4.3.18.RELEASE</version> </dependency>   <!-- 配置日志信息--> <dependency>     <groupId>log4j</groupId>     <artifactId>log4j</artifactId>     <version>1.2.17</version> </dependency>   <!-- 配置servlet--> <dependency>     <groupId>javax.servlet</groupId>     <artifactId>javax.servlet-api</artifactId>     <version>3.1.0</version>     <scope>provided</scope> </dependency>   <!--配置jsp的依赖 --> <dependency>     <groupId>javax.servlet.jsp</groupId>     <artifactId>jsp-api</artifactId>     <version>2.2</version>     <scope>provided</scope> </dependency>   <!-- 配置jstl --> <dependency>     <groupId>javax.servlet</groupId>     <artifactId>jstl</artifactId>     <version>1.2</version> </dependency> <dependency>     <groupId>taglibs</groupId>     <artifactId>standard</artifactId>     <version>1.1.2</version> </dependency>   <!-- 导入SpringMvc 需要的jar包 --> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-webmvc</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-web</artifactId>     <version>4.3.18.RELEASE</version> </dependency>

　　

2.3 创建一个springmvc.xml文件并配置
​

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69

<!-- Spring --> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-context</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-core</artifactId>     <version>4.3.18.RELEASE</version> </dependency>   <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-beans</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-context-support</artifactId>     <version>4.3.18.RELEASE</version> </dependency>   <!-- 配置日志信息--> <dependency>     <groupId>log4j</groupId>     <artifactId>log4j</artifactId>     <version>1.2.17</version> </dependency>   <!-- 配置servlet--> <dependency>     <groupId>javax.servlet</groupId>     <artifactId>javax.servlet-api</artifactId>     <version>3.1.0</version>     <scope>provided</scope> </dependency>   <!--配置jsp的依赖 --> <dependency>     <groupId>javax.servlet.jsp</groupId>     <artifactId>jsp-api</artifactId>     <version>2.2</version>     <scope>provided</scope> </dependency>   <!-- 配置jstl --> <dependency>     <groupId>javax.servlet</groupId>     <artifactId>jstl</artifactId>     <version>1.2</version> </dependency> <dependency>     <groupId>taglibs</groupId>     <artifactId>standard</artifactId>     <version>1.1.2</version> </dependency>   <!-- 导入SpringMvc 需要的jar包 --> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-webmvc</artifactId>     <version>4.3.18.RELEASE</version> </dependency> <dependency>     <groupId>org.springframework</groupId>     <artifactId>spring-web</artifactId>     <version>4.3.18.RELEASE</version> </dependency>

　　

2.4 配置web.xml文件

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30

<!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>     <!-- 加入前端控制器 DispatcherServlet -->  <servlet>    <servlet-name>dispatcherServlet</servlet-name>    <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>      <!-- 设置 DispatcherServlet 的参数 -->    <init-param>      <param-name>contextConfigLocation</param-name>      <param-value>classpath:springmvc.xml</param-value>    </init-param>      <!-- 1 启动服务器的时候就加载  -->    <!-- 0 使用的时候再加载 -->    <load-on-startup>1</load-on-startup>  </servlet>       <servlet-mapping>     <servlet-name>dispatcherServlet</servlet-name>     <url-pattern>/</url-pattern>   </servlet-mapping>   </web-app>

　　

2.5 创建控制器类 和控制器中的方法

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22

@Controller @RequestMapping("/User") public class UserController {       @RequestMapping("/reg")     public String reg(HttpServletRequest request)     {         System.out.println(request.getServerName());         System.out.println("注册..");         String id=request.getParameter("id");         System.out.println(id);         return "reg";  // return "WEB-INF/reg.jsp"     }      @RequestMapping("/login")     public String login(String name)     {         System.out.println(name);           return "login";     }   }

　　

2.6 创建jsp 访问控制器中的方法

?

1 2	<a href="User/reg?id=1">注册</a><br/> <a href="User/login?name=aa">登录</a><br/>