8_SpringMVC_SSM整合

ゞ浴缸里的玫瑰 2023-09-27 13:24 104阅读 0赞

SSM整合

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1准备数据库表格

![ef978df7fad717ea9ac6a1ded0f771ac.png][]

2创建maven web项目并补充项目结构,准备好MVC模式下的主要目录

![1f155e0c8e83c25b2d5f14d80a7cf485.png][]

3更新web.xml 文件和准备包结构

![63a32e6b2207c7d1e5775f1142a8c429.png][]

4导入依赖

>     <dependencies>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-context</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-aspects</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>aopalliance</groupId>
>           <artifactId>aopalliance</artifactId>
>           <version>1.0</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>com.alibaba</groupId>
>           <artifactId>druid</artifactId>
>           <version>1.1.10</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>mysql</groupId>
>           <artifactId>mysql-connector-java</artifactId>
>           <version>8.0.22</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-jdbc</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-tx</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-orm</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>commons-logging</groupId>
>           <artifactId>commons-logging</artifactId>
>           <version>1.2</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.apache.logging.log4j</groupId>
>           <artifactId>log4j-slf4j-impl</artifactId>
>           <version>2.14.0</version>
>           <scope>test</scope>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.projectlombok</groupId>
>           <artifactId>lombok</artifactId>
>           <version>1.18.12</version>
>           <scope>provided</scope>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-test</artifactId>
>           <version>5.3.5</version>
>           <scope>test</scope>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.junit.jupiter</groupId>
>           <artifactId>junit-jupiter-api</artifactId>
>           <version>5.7.0</version>
>           <scope>test</scope>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-web</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         <dependency>
>           <groupId>org.springframework</groupId>
>           <artifactId>spring-webmvc</artifactId>
>           <version>5.3.5</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>javax.servlet</groupId>
>           <artifactId>javax.servlet-api</artifactId>
>           <version>4.0.1</version>
>           <scope>provided</scope>
>         </dependency>
>         <dependency>
>           <groupId>javax.servlet.jsp</groupId>
>           <artifactId>javax.servlet.jsp-api</artifactId>
>           <version>2.3.3</version>
>           <scope>provided</scope>
>         </dependency>
>         
>         <dependency>
>           <groupId>com.fasterxml.jackson.core</groupId>
>           <artifactId>jackson-databind</artifactId>
>           <version>2.12.1</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.mybatis</groupId>
>           <artifactId>mybatis</artifactId>
>           <version>3.5.3</version>
>         </dependency>
>         
>         <dependency>
>           <groupId>org.mybatis</groupId>
>           <artifactId>mybatis-spring</artifactId>
>           <version>2.0.3</version>
>         </dependency>
>       </dependencies>

接下来准备配置文件(重要!!!)

![5fd9618dcc046f7a9e851bdbd330c170.png][]

5 log4j2.xml

<?xml version="1.0" encoding="UTF-8"?>
    <Configuration status="DEBUG">
        <Appenders>
            <Console name="Console" target="SYSTEM_ERR">
                <PatternLayout pattern="%d{YYYY-MM-dd HH:mm:ss} [%t] %-5p %c{1}:%L - %msg%n" />
            </Console>
        </Appenders>
        <Loggers>
            <Root level="DEBUG">
                <AppenderRef ref="Console" />
            </Root>
        </Loggers>
    </Configuration>

6 jdbc.properties

jdbc_driver=com.mysql.cj.jdbc.Driver
    jdbc_url=jdbc:mysql://127.0.0.1:3306/mydb?useSSL=false&useUnicode=true&characterEncoding=UTF-8&serverTimezone=Asia/Shanghai
    jdbc_username=root
    jdbc_password=root

7 springMVC.xml配置文件

8 applicationContext.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:p="http://www.springframework.org/schema/p"
           xmlns:c="http://www.springframework.org/schema/c"
           xmlns:util="http://www.springframework.org/schema/util"
           xmlns:context="http://www.springframework.org/schema/context"
           xmlns:aop="http://www.springframework.org/schema/aop"
           xmlns:tx="http://www.springframework.org/schema/tx"
           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/util
           http://www.springframework.org/schema/util/spring-util.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
           http://www.springframework.org/schema/mvc
           http://www.springframework.org/schema/mvc/spring-mvc.xsd
    ">
        
        <context:property-placeholder location="classpath:jdbc.properties"></context:property-placeholder>
        
        <context:component-scan base-package="com.msb.service"></context:component-scan>
        
        <bean id="dataSource" class="com.alibaba.druid.pool.DruidDataSource">
            <property name="username" value="${jdbc_username}"></property>
            <property name="password" value="${jdbc_password}"></property>
            <property name="url" value="${jdbc_url}"></property>
            <property name="driverClassName" value="${jdbc_driver}"></property>
        </bean>
        
        <bean id="factory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource"  ref="dataSource"></property>
            <property name="typeAliasesPackage" value="com.msb.pojo"></property>
        </bean>
        
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            
            <property name="sqlSessionFactoryBeanName" value="factory"></property>
            
            <property name="basePackage" value="com.msb.mapper"></property>
        </bean>
        
        <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
            <property name="dataSource" ref="dataSource"></property>
        </bean>
        
        <tx:annotation-driven  transaction-manager="transactionManager"/>
    </beans>

9 web.xml

<?xml version="1.0" encoding="UTF-8"?>
    <web-app xmlns="http://xmlns.jcp.org/xml/ns/javaee"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd"
             version="4.0">
        
        <context-param>
            <param-name>contextConfigLocation</param-name>
            <param-value>classpath:applictionContext.xml</param-value>
        </context-param>
        
        <listener>
            <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
        </listener>
        
        <filter>
            <filter-name>encFilter</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>
        </filter>
        <filter-mapping>
            <filter-name>encFilter</filter-name>
            <url-pattern>/*</url-pattern>
        </filter-mapping>
        
        <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>/</url-pattern>
        </servlet-mapping>
    </web-app>

10 开发业务代码

index.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
        <form action="login.do" method="post">
            <input type="text" name="uname">
            <input type="password" name="password">
            <input type="submit" value="登录">
        </form>
    </body>
    </html>

success.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
     登录成功
    </body>
    </html>

fail.jsp

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
    <html>
    <head>
        <title>Title</title>
    </head>
    <body>
    登录失败
    </body>
    </html>

User实体类

package com.msb.pojo;
    import lombok.AllArgsConstructor;
    import lombok.Data;
    import lombok.NoArgsConstructor;
    import java.io.Serializable;
    /**
     * @Author: Ma HaiYang
     * @Description: MircoMessage:Mark_7001
     */
    @AllArgsConstructor
    @NoArgsConstructor
    @Data
    public class User implements Serializable {
        private Integer uid;
        private String  uname;
        private String password;
    }

UserController

package com.msb.controller;
    import com.msb.pojo.User;
    import com.msb.service.UserService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    import org.springframework.web.bind.annotation.ResponseBody;
    import java.util.List;
    /**
     * @Author: Ma HaiYang
     * @Description: MircoMessage:Mark_7001
     */
    @Controller
    public class UserController {
        @Autowired
        private UserService userService;
        @RequestMapping("login.do")
        public String login(String uname,String password){
            String view =null;
            User user = userService.findUser(uname, password);
            if(null != user){
                view ="/success.jsp";
            }else{
                view="/fail.jsp";
            }
            return view;
        }
        @ResponseBody
        @RequestMapping("findAllUser.do")
        public List<User> findAllUser(){
            return userService.findAllUser();
        }
    }

UserService

package com.msb.service.impl;
    import com.msb.mapper.UserMapper;
    import com.msb.pojo.User;
    import com.msb.service.UserService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    import org.springframework.transaction.annotation.Transactional;
    import java.util.List;
    /**
     * @Author: Ma HaiYang
     * @Description: MircoMessage:Mark_7001
     */
    @Service
    @Transactional
    public class UserServiceImpl implements UserService {
        @Autowired
        private UserMapper userMapper;
        @Override
        public User findUser(String uname, String password) {
            return userMapper.findUser(uname,password);
        }
        @Override
        public List<User> findAllUser() {
            return userMapper.findAllUser();
        }
    }

UserMapper

package com.msb.mapper;
    import com.msb.pojo.User;
    import java.util.List;
    /**
     * @Author: Ma HaiYang
     * @Description: MircoMessage:Mark_7001
     */
    public interface UserMapper {
        User findUser(String uname, String password);
        List<User> findAllUser();
    }

[ef978df7fad717ea9ac6a1ded0f771ac.png]: https://img-blog.csdnimg.cn/img_convert/ef978df7fad717ea9ac6a1ded0f771ac.png
[1f155e0c8e83c25b2d5f14d80a7cf485.png]: https://img-blog.csdnimg.cn/img_convert/1f155e0c8e83c25b2d5f14d80a7cf485.png
[63a32e6b2207c7d1e5775f1142a8c429.png]: https://img-blog.csdnimg.cn/img_convert/63a32e6b2207c7d1e5775f1142a8c429.png
[5fd9618dcc046f7a9e851bdbd330c170.png]: https://img-blog.csdnimg.cn/img_convert/5fd9618dcc046f7a9e851bdbd330c170.png