整合SSM框架

爱被打了一巴掌 2021-09-28 00:30 478阅读 0赞

1  
pom依赖

<?xml version="1.0" encoding="UTF-8"?>
    
    <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
    
      <groupId>com.id.ssm</groupId>
      <artifactId>2018-12-10-ssm</artifactId>
      <version>1.0-SNAPSHOT</version>
      <packaging>war</packaging>
    <dependencies>
        <dependency>
            
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <dependency>
            
            <groupId>log4j</groupId>
            <artifactId>log4j</artifactId>
            <version>1.2.17</version>
        </dependency>
        <dependency>
            
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.39</version>
        </dependency>
        <dependency>
            
            <groupId>com.mchange</groupId>
            <artifactId>c3p0</artifactId>
            <version>0.9.5.2</version>
        </dependency>
        <dependency>
            
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.4</version>
        </dependency>
        <dependency>
            
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis-spring</artifactId>
            <version>1.3.1</version>
        </dependency>
        <dependency>
            
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            
            <groupId>org.springframework</groupId>
            <artifactId>spring-webmvc</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.10.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>javax.servlet</groupId>
            <artifactId>javax.servlet-api</artifactId>
            <version>3.0.1</version>
        </dependency>
        <dependency>
            <groupId>jstl</groupId>
            <artifactId>jstl</artifactId>
            <version>1.2</version>
        </dependency>
        <dependency>
            <groupId>taglibs</groupId>
            <artifactId>standard</artifactId>
            <version>1.1.2</version>
        </dependency>
        <dependency>
            <groupId>com.fasterxml.jackson.core</groupId>
            <artifactId>jackson-databind</artifactId>
            <version>2.9.6</version>
        </dependency>
        <dependency>
            
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.1.15</version>
        </dependency>
    
    </dependencies>
        <build>
            <resources>
                <resource>
                    <directory>src/main/java</directory>
                    <includes>
                        <include>**/*.xml</include>
                    </includes>
                    <filtering>false</filtering>
                </resource>
    
            </resources>
        </build>
    
    </project>

2 applicotionContext.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" 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">
    
        
        <context:component-scan base-package="com.it.ssm"/>
    
        
        <bean id="dataSource" class="com.mchange.v2.c3p0.ComboPooledDataSource">
            <property name="driverClass" value="com.mysql.jdbc.Driver"/>
            <property name="jdbcUrl" value="jdbc:mysql://localhost:3306/db2?characterEncoding=utf8"/>
            <property name="user" value="root"/>
            <property name="password" value="root"/>
        </bean>
    
        
        <bean name="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
            <property name="dataSource" ref="dataSource"/>
            <property name="configLocation" value="classpath:mybatis-conf.xml"/>
        </bean>
    
        
        <bean class="org.mybatis.spring.mapper.MapperScannerConfigurer">
            <property name="basePackage" value="com.it.ssm.dao"/>
            <property name="sqlSessionFactoryBeanName" value="sqlSessionFactory"/>
        </bean>
    </beans>

3 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: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/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">
    
        
        
        <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerMapping"/>
        
        <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter"/>
        
        <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"/>
        <context:component-scan base-package="com.it.ssm"/>
    </beans>

4 mybatis-conf.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>
        <typeAliases>
            <package name="com.it.ssm.pojo"></package>
        </typeAliases>
        
        
        
        
        
        
        
        
        
        
        
        
    
        
        
        
        
    
    </configuration>

5 log4j.properties

log4j.rootLogger=warn, stdout
    log4j.appender.stdout=org.apache.log4j.ConsoleAppender
    log4j.appender.stdout.Target=System.out
    log4j.appender.stdout.layout=org.apache.log4j.PatternLayout
    log4j.appender.stdout.layout.ConversionPattern=%d{ABSOLUTE} %5p %c{1}:%L - %m%n

java的目录与结构

![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3dlaXhpbl80MzY5NDE0NA_size_16_color_FFFFFF_t_70]1 Pojo User.java 文件是实体类 数据库的字段 get set tostring 方法

2 dao  
UserMapper

package com.it.ssm.dao;
    
    import com.it.ssm.pojo.User;
    import org.springframework.stereotype.Repository;
    
    @Repository
    public interface UserMapper
    { 
        User findUser(Integer id);
        void addUser(Integer id , String name, String emil);
    }

UserMapper.xml

<?xml version="1.0" encoding="UTF-8" ?>
    <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
    <mapper namespace="com.it.ssm.dao.UserMapper">
        <insert id="addUser">
            insert into user values(id=#{id},name=#{name},emil=#{emil})
        </insert>
        <select id="findUser" resultType="User">
            select * from user where id=#{vlue};
        </select>
    </mapper>

Service + impl

package com.it.ssm.service;
    
    import com.it.ssm.dao.UserMapper;
    import com.it.ssm.pojo.User;
    import org.springframework.beans.factory.annotation.Autowired;
    
    public interface UserService
    { 
        User findElsect(Integer id);
    }
    
    
    
    package com.it.ssm.service.impl;
    
    import com.it.ssm.dao.UserMapper;
    import com.it.ssm.pojo.User;
    import com.it.ssm.service.UserService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Service;
    
    @Service
    public class UserServiceImpl implements UserService
    { 
        @Autowired
        private UserMapper userMapper;
        @Override
        public User findElsect(Integer id)
        { 
            return userMapper.findUser(id);
        }
    }

Controller

package com.it.ssm.controller;
    
    import com.it.ssm.pojo.User;
    import com.it.ssm.service.UserService;
    import org.springframework.beans.factory.annotation.Autowired;
    import org.springframework.stereotype.Controller;
    import org.springframework.ui.Model;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class UserController
    { 
        @Autowired
        private UserService userService;
    
        @RequestMapping("/findUser.action")
        public String findUser(Integer id , Model model)
        { 
            User user = userService.findElsect(id);
            model.addAttribute("user",user);
            return "index01.jsp";
        }
    
    }
    
    ~~~以上就是整合ssm的相关代码  如有错误请及时指出

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