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    0、demo链接

    链接:https://pan.baidu.com/s/1m7yLJvPg_JTedK5Dg43JXQ
    提取码:hmia
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    1、SSM概述

    SSM框架,即Spring + Spring MVC + MyBatis的缩写

    1.Spring简介

    Spring是一个开源框架,Spring是于2003年兴起的一个轻量级的Java开发框架,由Rod Johnson在其著作Expert One-On-One J2EE Development and Design中阐述的部分理念和原型衍生而来。它是为了解决企业应用开发的复杂性而创建的。Spring使用基本的JavaBean来完成以前只可能由EJB完成的事情。然而,Spring的用途不仅限于服务器端的开发。从简单性、可测试性和松耦合的角度而言,任何Java应用都可以从Spring中受益。 简单来说,Spring是一个轻量级的控制反转(IoC)和面向切面(AOP)的容器框架。

    2.Spring MVC简介

    Spring MVC属于Spring Framework的后续产品,已经融合在Spring Web Flow里面,它原生支持的Spring特性,让开发变得非常简单规范。Spring MVC 分离了控制器、模型对象、分派器以及处理程序对象的角色,这种分离让它们更容易进行定制。

    3.MyBatis简介

    MyBatis本是apache的一个开源项目iBatis, 2010年这个项目由apache software foundation 迁移到了google code,并且改名为MyBatis 。MyBatis是一个基于Java的持久层框架。iBATIS提供的持久层框架包括SQL Maps和Data Access Objects(DAO)MyBatis消除了几乎所有的JDBC代码和参数的手工设置以及结果集的检索。MyBatis使用简单的XML或注解用于配置和原始映射,将接口和Java的POJOs(Plain Old Java Objects,普通的 Java对象)映射成数据库中的记录。可以这么理解,MyBatis是一个用来帮你管理数据增删改查的框架。

    2、思路

     配置文件

    <?xml version="1.0"?>
    <project xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd" xmlns="http://maven.apache.org/POM/4.0.0"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.sq</groupId>
      <artifactId>News</artifactId>
      <version>0.0.1-SNAPSHOT</version>
      <packaging>war</packaging>
      <name>News Maven Webapp</name>
      <url>http://maven.apache.org</url>
      <dependencies>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-web</artifactId>
          <version>4.3.18.RELEASE</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-webmvc</artifactId>
          <version>4.3.18.RELEASE</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis</artifactId>
          <version>3.4.1</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.mybatis</groupId>
          <artifactId>mybatis-spring</artifactId>
          <version>1.3.1</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>mysql</groupId>
          <artifactId>mysql-connector-java</artifactId>
          <version>8.0.11</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>javax.servlet</groupId>
          <artifactId>jstl</artifactId>
          <version>1.2</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.apache.logging.log4j</groupId>
          <artifactId>log4j-core</artifactId>
          <version>2.11.0</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>com.mchange</groupId>
          <artifactId>c3p0</artifactId>
          <version>0.9.5.2</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-jdbc</artifactId>
          <version>4.3.18.RELEASE</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.springframework</groupId>
          <artifactId>spring-tx</artifactId>
          <version>4.3.18.RELEASE</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.slf4j</groupId>
          <artifactId>slf4j-api</artifactId>
          <version>1.7.25</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>org.aspectj</groupId>
          <artifactId>aspectjweaver</artifactId>
          <version>1.8.13</version>
          <scope>compile</scope>
        </dependency>
        <dependency>
          <groupId>junit</groupId>
          <artifactId>junit</artifactId>
          <version>3.8.1</version>
          <scope>test</scope>
        </dependency>
      </dependencies>
      <repositories>
        <repository>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>Central Repository</name>
          <url>https://repo.maven.apache.org/maven2</url>
        </repository>
      </repositories>
      <pluginRepositories>
        <pluginRepository>
          <releases>
            <updatePolicy>never</updatePolicy>
          </releases>
          <snapshots>
            <enabled>false</enabled>
          </snapshots>
          <id>central</id>
          <name>Central Repository</name>
          <url>https://repo.maven.apache.org/maven2</url>
        </pluginRepository>
      </pluginRepositories>
      <build>
        <sourceDirectory>D:工作环境News-mastersrcmainjava</sourceDirectory>
        <scriptSourceDirectory>D:工作环境News-mastersrcmainscripts</scriptSourceDirectory>
        <testSourceDirectory>D:工作环境News-mastersrc	estjava</testSourceDirectory>
        <outputDirectory>D:工作环境News-master	argetclasses</outputDirectory>
        <testOutputDirectory>D:工作环境News-master	arget	est-classes</testOutputDirectory>
        <resources>
          <resource>
            <directory>D:工作环境News-mastersrcmain
    esources</directory>
          </resource>
        </resources>
        <testResources>
          <testResource>
            <directory>D:工作环境News-mastersrc	est
    esources</directory>
          </testResource>
        </testResources>
        <directory>D:工作环境News-master	arget</directory>
        <finalName>News</finalName>
        <pluginManagement>
          <plugins>
            <plugin>
              <artifactId>maven-antrun-plugin</artifactId>
              <version>1.3</version>
            </plugin>
            <plugin>
              <artifactId>maven-assembly-plugin</artifactId>
              <version>2.2-beta-5</version>
            </plugin>
            <plugin>
              <artifactId>maven-dependency-plugin</artifactId>
              <version>2.8</version>
            </plugin>
            <plugin>
              <artifactId>maven-release-plugin</artifactId>
              <version>2.3.2</version>
            </plugin>
          </plugins>
        </pluginManagement>
        <plugins>
          <plugin>
            <artifactId>maven-clean-plugin</artifactId>
            <version>2.5</version>
            <executions>
              <execution>
                <id>default-clean</id>
                <phase>clean</phase>
                <goals>
                  <goal>clean</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-resources-plugin</artifactId>
            <version>2.6</version>
            <executions>
              <execution>
                <id>default-testResources</id>
                <phase>process-test-resources</phase>
                <goals>
                  <goal>testResources</goal>
                </goals>
              </execution>
              <execution>
                <id>default-resources</id>
                <phase>process-resources</phase>
                <goals>
                  <goal>resources</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-war-plugin</artifactId>
            <version>2.2</version>
            <executions>
              <execution>
                <id>default-war</id>
                <phase>package</phase>
                <goals>
                  <goal>war</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-compiler-plugin</artifactId>
            <version>3.1</version>
            <executions>
              <execution>
                <id>default-compile</id>
                <phase>compile</phase>
                <goals>
                  <goal>compile</goal>
                </goals>
              </execution>
              <execution>
                <id>default-testCompile</id>
                <phase>test-compile</phase>
                <goals>
                  <goal>testCompile</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-surefire-plugin</artifactId>
            <version>2.12.4</version>
            <executions>
              <execution>
                <id>default-test</id>
                <phase>test</phase>
                <goals>
                  <goal>test</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-install-plugin</artifactId>
            <version>2.4</version>
            <executions>
              <execution>
                <id>default-install</id>
                <phase>install</phase>
                <goals>
                  <goal>install</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-deploy-plugin</artifactId>
            <version>2.7</version>
            <executions>
              <execution>
                <id>default-deploy</id>
                <phase>deploy</phase>
                <goals>
                  <goal>deploy</goal>
                </goals>
              </execution>
            </executions>
          </plugin>
          <plugin>
            <artifactId>maven-site-plugin</artifactId>
            <version>3.3</version>
            <executions>
              <execution>
                <id>default-site</id>
                <phase>site</phase>
                <goals>
                  <goal>site</goal>
                </goals>
                <configuration>
                  <outputDirectory>D:工作环境News-master	argetsite</outputDirectory>
                  <reportPlugins>
                    <reportPlugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-project-info-reports-plugin</artifactId>
                    </reportPlugin>
                  </reportPlugins>
                </configuration>
              </execution>
              <execution>
                <id>default-deploy</id>
                <phase>site-deploy</phase>
                <goals>
                  <goal>deploy</goal>
                </goals>
                <configuration>
                  <outputDirectory>D:工作环境News-master	argetsite</outputDirectory>
                  <reportPlugins>
                    <reportPlugin>
                      <groupId>org.apache.maven.plugins</groupId>
                      <artifactId>maven-project-info-reports-plugin</artifactId>
                    </reportPlugin>
                  </reportPlugins>
                </configuration>
              </execution>
            </executions>
            <configuration>
              <outputDirectory>D:工作环境News-master	argetsite</outputDirectory>
              <reportPlugins>
                <reportPlugin>
                  <groupId>org.apache.maven.plugins</groupId>
                  <artifactId>maven-project-info-reports-plugin</artifactId>
                </reportPlugin>
              </reportPlugins>
            </configuration>
          </plugin>
        </plugins>
      </build>
      <reporting>
        <outputDirectory>D:工作环境News-master	argetsite</outputDirectory>
      </reporting>
    </project>
    POM.XML配置
    <?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xmlns="http://xmlns.jcp.org/xml/ns/javaee"
        xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_3_1.xsd"
        id="WebApp_ID" version="3.1">
    
        <!-- 配置spring字符编码为utf-8 -->
        <filter>
            <filter-name>encodingFilter</filter-name>
            <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class>
            <init-param>
                <param-name>encoding</param-name>
                <param-value>UTF-8</param-value>
            </init-param>
            <init-param>
                <param-name>forceEncoding</param-name>
                <param-value>true</param-value>
            </init-param>
        </filter>
        <filter-mapping>
            <filter-name>encodingFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
    
        <!-- 配置springmvc前端控制器 -->
        <servlet>
            <servlet-name>dispatcherservlet</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>
            <load-on-startup>1</load-on-startup>
        </servlet>
        <servlet-mapping>
            <servlet-name>dispatcherservlet</servlet-name>
            <url-pattern>*.action</url-pattern>
        </servlet-mapping>
        
        <!-- 实现jsp通过超链接直接访问 -->
        <servlet>
       <servlet-name>goto</servlet-name>
       <jsp-file>/WEB-INF/View/deleteNews.jsp</jsp-file>
      </servlet>
      <servlet-mapping>
       <servlet-name>goto</servlet-name>
       <url-pattern>/deleteNews</url-pattern>
      </servlet-mapping>
    
        <!-- 配置监听spring -->
        <listener>
            <description>启动spring容器</description>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
        <!-- 指定spring的配置文件 -->
        <context-param>
            <param-name>contextConfigLocation</param-name> 
            <param-value>classpath:applicationContext.xml</param-value>
        </context-param>
    
    
    </web-app>
    webxml
    <?xml version="1.0" encoding="UTF-8"?>
    <beans xmlns="http://www.springframework.org/schema/beans"
        xmlns:context="http://www.springframework.org/schema/context"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:aop="http://www.springframework.org/schema/aop"
        xmlns:tx="http://www.springframework.org/schema/tx" xmlns:p="http://www.springframework.org/schema/p"
        xmlns:util="http://www.springframework.org/schema/util" xmlns:jdbc="http://www.springframework.org/schema/jdbc"
        xmlns:cache="http://www.springframework.org/schema/cache"
        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/aop http://www.springframework.org/schema/aop/spring-aop.xsd
            http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx.xsd">
    
        <!-- 自动扫描News包 ,将带有注解的类 纳入spring容器管理 -->
        <context:component-scan base-package="com.sq.News"></context:component-scan>
    
        <!-- c3p0连接池 -->
        <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
            <property name="driverClass" value="com.mysql.cj.jdbc.Driver"></property>
            <property name="jdbcUrl"
                value="jdbc:mysql://localhost:3306/news?user=root&amp;password=1729456sq&amp;serverTimezone=UTC
                    &amp;useUnicode=true&amp;characterEncoding=utf-8"></property>
        </bean>
    
        <!-- 注册SqlSessionFactoryBean -->
        <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource" />
            <!--自动扫描mapper.xml文件 -->
            <property name="mapperLocations" value="classpath:com/sq/News/dao/*.xml"></property>
            <!--mybatis配置 -->
            <property name="configLocation" value="classpath:mybatis-config.xml"></property>
        </bean>
    
        <!-- Mapper扫描器 -->
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="com.sq.News.dao" />
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory" />
        </bean>
    
    </beans>
    applicationContext.xml
    <?xml version="1.0" encoding="UTF-8"?>
    <!DOCTYPE configuration
    PUBLIC "-//mybatis.org//DTD Config 3.0//EN"
    "http://mybatis.org/dtd/mybatis-3-config.dtd">
    <configuration>
        <!-- 设置类的别名 -->
        <typeAliases>
            <typeAlias type="com.sq.News.pojo.NewsInfo" alias="NI" />
        </typeAliases>
    </configuration>
    mybatis-config.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:mvc="http://www.springframework.org/schema/mvc" xmlns:context="http://www.springframework.org/schema/context"
        xmlns:tx="http://www.springframework.org/schema/tx"
        xsi:schemaLocation="http://www.springframework.org/schema/beans
            http://www.springframework.org/schema/beans/spring-beans-4.1.xsd
            http://www.springframework.org/schema/tx
            http://www.springframework.org/schema/tx/spring-tx-4.1.xsd
            http://www.springframework.org/schema/aop
            http://www.springframework.org/schema/aop/spring-aop-4.1.xsd
            http://www.springframework.org/schema/context
            http://www.springframework.org/schema/context/spring-context-4.1.xsd
            http://www.springframework.org/schema/mvc
            http://www.springframework.org/schema/mvc/spring-mvc.xsd">
    
        <!-- 1、启用注解驱动-->
        <mvc:annotation-driven />
    
       <mvc:default-servlet-handler/>
    
        <!-- 3、自动扫描该包,使SpringMVC认为包下用了@controller注解的类是控制器 -->
        <context:component-scan base-package="com.sq.News.controller" />
    
        <!-- 4、视图解析器 -->
        <bean id="viewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
    
            <property name="prefix" value="/WEB-INF/View/" /><!-- 指定jsp文件存放的位置 -->
            <property name="suffix" value=".jsp" />
        </bean>
    
    </beans>
    springMVC.xml

    项目结构

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  • 原文地址:https://www.cnblogs.com/chacha-z/p/10890917.html
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