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01流程及环境的搭建

01流程及环境的搭建

作者: RobertLiu123 | 来源:发表于2019-08-02 08:42 被阅读0次
    SpringMVC各组件的运作流程.png

    一、搭建springmvc步骤

    1、引入springmvc的jar包
    2、引入springmvc配置文件
    3、在web.xml中配置springmvc的中央控制器（本质servlet）
    4、在web.xml中完成其他配置，如字符集
    5、在springmvc的配置文件中配置处理器映射器、处理器适配器、处理器、视图解析器的配置

    二、代码

    引jar

    <!-- 公共配置参数 -->
<properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <springFramework.version>4.3.8.RELEASE</springFramework.version>
</properties>
<dependencies>
    <dependency>
        <groupId>junit</groupId>
        <artifactId>junit</artifactId>
        <version>3.8.1</version>
        <scope>test</scope>
    </dependency>
    <!-- spring相关的pom -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-web</artifactId>
        <version>${springFramework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-webmvc</artifactId>
        <version>${springFramework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-context-support</artifactId>
        <version>${springFramework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>${springFramework.version}</version>
    </dependency>
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-test</artifactId>
        <version>${springFramework.version}</version>
    </dependency>
    <!-- SPRING AOP相关 begin -->
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-aspects</artifactId>
        <version>3.2.10.RELEASE</version>
    </dependency>
    <dependency>
        <groupId>aopalliance</groupId>
        <artifactId>aopalliance</artifactId>
        <version>1.0</version>
    </dependency>
    <!-- SPRING AOP相关 end -->
    <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>
    <!-- json begin-->
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-core</artifactId>
        <version>2.8.8</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-annotations</artifactId>
        <version>2.8.0</version>
    </dependency>
    <dependency>
        <groupId>com.fasterxml.jackson.core</groupId>
        <artifactId>jackson-databind</artifactId>
        <version>2.8.8</version>
    </dependency>
    <!--文件上传  -->
    <dependency>
        <groupId>commons-fileupload</groupId>
        <artifactId>commons-fileupload</artifactId>
        <version>1.3.3</version>
    </dependency>
    <!-- mybatis及数据源 -->
    <!-- dbcp数据库连接池 -->
    <dependency>
        <groupId>commons-dbcp</groupId>
        <artifactId>commons-dbcp</artifactId>
        <version>1.4</version>
    </dependency>
    <!--mybatis-->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis</artifactId>
        <version>3.4.4</version>
    </dependency>
    <!--mybatis-spring适配器 -->
    <dependency>
        <groupId>org.mybatis</groupId>
        <artifactId>mybatis-spring</artifactId>
        <version>1.3.1</version>
    </dependency>
    <!-- 分页插件 -->
    <dependency>
        <groupId>com.github.pagehelper</groupId>
        <artifactId>pagehelper</artifactId>
        <version>5.0.3</version>
    </dependency>
    <!-- mysql驱动 -->
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.41</version>
    </dependency>
    <!-- HikariCP连接池 -->
    <dependency>
        <groupId>com.zaxxer</groupId>
        <artifactId>HikariCP</artifactId>
        <version>2.5.1</version>
    </dependency>
    <!-- oracle驱动
    <dependency>
        <groupId>com.github.noraui</groupId>
        <artifactId>ojdbc8</artifactId>
        <version>12.2.0.1</version>
    </dependency> -->
</dependencies>

    中央控制器

    <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.xml</param-value>
</init-param>
</servlet>
<servlet-mapping>
<servlet-name>springmvc</servlet-name>
<url-pattern>*.action</url-pattern>
</servlet-mapping>

    springmvc.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:aop="http://www.springframework.org/schema/aop"
xmlns:c="http://www.springframework.org/schema/c" xmlns:cache="http://www.springframework.org/schema/cache"
xmlns:context="http://www.springframework.org/schema/context"
xmlns:jdbc="http://www.springframework.org/schema/jdbc" xmlns:jee="http://www.springframework.org/schema/jee"
xmlns:lang="http://www.springframework.org/schema/lang" xmlns:p="http://www.springframework.org/schema/p"
xmlns:task="http://www.springframework.org/schema/task" xmlns:tx="http://www.springframework.org/schema/tx"
xmlns:mvc="http://www.springframework.org/schema/mvc" xmlns:util="http://www.springframework.org/schema/util"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
    http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd
    http://www.springframework.org/schema/cache http://www.springframework.org/schema/cache/spring-cache-4.3.xsd
    http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
    http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.3.xsd
    http://www.springframework.org/schema/jee http://www.springframework.org/schema/jee/spring-jee-4.3.xsd
    http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-4.3.xsd
    http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-4.3.xsd
    http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-4.3.xsd
    http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-4.3.xsd
    http://www.springframework.org/schema/mvc 
    http://www.springframework.org/schema/mvc/spring-mvc-4.3.xsd">
        <!-- 配置注解方式的映射器和适配器 -->
    <mvc:annotation-driven />
    <context:component-scan base-package="com.neuedu.controller"/>
    <!-- 视图解析器 -->
    <bean id="jspViewResolver"
        class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass"
            value="org.springframework.web.servlet.view.JstlView" />
        <!-- 视图前缀 jsp文件所在的文件夹 -->
        <property name="prefix" value="/WEB-INF/jsp/" />
        <!-- 文件后缀 -->
        <property name="suffix" value=".jsp" />
    </bean>
   </beans>

    build-path里引用tomcat
    在com.neuedu.controller包下写controller

     package com.neuedu.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class TestController {
    
  @RequestMapping("/login.action")
  public ModelAndView test(){
      System.out.println("TestController的test方法被调用");
      ModelAndView mv=new ModelAndView();
      mv.setViewName("hello");
      
    return mv;
      
  }
  @RequestMapping("/add.action")
  public ModelAndView login(String username,String password){
      System.out.println(username);
      System.out.println(password);
      ModelAndView mv=new ModelAndView();
      mv.setViewName("hello");
    return mv;
  }
}

    页面(src/main/webapp/WEB-INF/jsp/hello.jsp)

    <body>
hello world
</body>
</html>

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