• spring 开始构造


    1,选择“org.apache.maven.archetypes:maven-archetype-webapp”骨架(模板),创建一个Web项目:

    在main 目录下创建文件夹  java,  resources   mark as: 

    添加依赖:

    <properties>
        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
        <maven.compiler.source>1.7</maven.compiler.source>
        <maven.compiler.target>1.7</maven.compiler.target>
        <spring.version>4.3.0.RELEASE</spring.version>
      </properties>
    
      <dependencies>
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>4.11</version>
          <scope>test</scope>
        </dependency>
    
        <!--Spring框架核心库 -->
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-context</artifactId>
          <version>${spring.version}</version>
        </dependency>
        <!-- Spring MVC -->
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>${spring.version}</version>
        </dependency>
        <!-- JSTL -->
        <dependency>
          <groupId>javax.servlet</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
        </dependency>
    
    
      </dependencies>

    WEB-INF下有web.xml 文件:

    修改web.xml注册中心控制器DispatcherServlet

    <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xmlns="http://java.sun.com/xml/ns/javaee"
             xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
             id="WebApp_ID" version="3.0">
    
      <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*:springmvc-servlet.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>

    添加Spring MVC配置文件:resources 目录下 springmvc-servlet.xml

    <?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.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context.xsd http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc.xsd">
     <!-- Spring MVC不处理静态资源 -->
    <context:component-scan base-package="com.ljs.springmvc01"></context:component-scan> 
      
     <!-- Spring MVC不处理静态资源 -->
    <mvc:default-servlet-handler></mvc:default-servlet-handler>     
        <!-- 支持mvc注解驱动 -->
        <!--在spring中一般采用@RequestMapping注解来完成映射关系,
        要想使@RequestMapping注解生效必须向上下文中注册DefaultAnnotationHandlerMapping和一个AnnotationMethodHandlerAdapter
        实例,这两个实例分别在类级别和方法级别处理。而annotation-driven配置帮助我们自动完成上述两个实例的注入。-->
    <mvc:annotation-driven></mvc:annotation-driven>

    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">

        <property name="prefix" value="/WEB-INF/view/"></property>

         <property name="suffix" value=".jsp"></property>

    </bean>


    </beans>

    创控制器

    @Controller
    @RequestMapping("/hello")
    public class HelloWorld {
    
        @RequestMapping("/hi")
        public String hi(Model model){
            model.addAttribute("msg","hello spring mvc");
            return "hi";
        }
    
    }
    

      

    创建视图

    在WEB-INF/view目录中创建视图,hi.jsp视图将从Action中带回的信息展示,

    <%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
        <h2>${msg}</h2>
    
    </body>
    </html>
  • 相关阅读:
    为什么无法从外部访问VSTO对象?
    通过实例代码理解WPF的Dispatcher
    Silverlight打印解决方案2.0之如何自定义表体
    VSTO"无法加载自定义程序集"
    打开silverlight项目之前,您需要安装最新的Silverlight Developer运行时
    Android 3.2 联机测试adb驱动如何安装和配置?
    Android 3.2 应用程序联机(devices)测试失败提示INSTALL_FAILED_INSUFFICIENT_STORAGE
    Android sdk 3.0 sdk3.1 sdk3.2 平板开发环境安装日志
    android 蓝牙开发常见问题总结
    Pad本蓝牙模块检测
  • 原文地址:https://www.cnblogs.com/lijins/p/10461488.html
Copyright © 2020-2023  润新知