Spring整合Mybatis步骤

    
        org.springframework
        spring-webmvc
        5.2.0.RELEASE
    
    
        junit
        junit
        4.12
    
    
        mysql
        mysql-connector-java
        5.1.47
    
    
        org.springframework
        spring-jdbc
        5.2.9.RELEASE
    
    
        org.mybatis
        mybatis
        3.5.2
    
    
        org.mybatis
        mybatis-spring
        2.0.5
    
    
        org.aspectj
        aspectjweaver
        1.8.0
    



    
        
            src/main/resource
            
                ***.xml
            
            true
        
        
            src/main/java
            
                ***.xml
            
            true
        
    

package com.wyp.pojo;

public class User {
    private String name;
    private int age;
    private String address;

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    @Override
    public String toString() {
        return "User{" +
                "name='" + name + ''' +
                ", age=" + age +
                ", address='" + address + ''' +
                '}';
    }
}

package com.wyp.mapper;

import com.wyp.pojo.User;

import java.util.List;

public interface UserMapper {
    public List selectUsers();
}

    
        select * from user
    

package com.wyp.mapper;

import com.wyp.pojo.User;
import org.mybatis.spring.SqlSessionTemplate;

import java.util.List;

public class UserMapperImpl implements UserMapper {
    private SqlSessionTemplate sqlSessionTemplate;

    public void setSqlSessionTemplate(SqlSessionTemplate sqlSessionTemplate) {
        this.sqlSessionTemplate = sqlSessionTemplate;
    }

    public List selectUsers() {
        UserMapper mapper = sqlSessionTemplate.getMapper(UserMapper.class);
        return mapper.selectUsers();
    }
}

package com.wyp.mapper;

import com.wyp.pojo.User;
import org.mybatis.spring.support.SqlSessionDaoSupport;

import java.util.List;

public class UserMapperImpl2 extends SqlSessionDaoSupport implements UserMapper {
    public List selectUsers() {
        return getSqlSession().getMapper(UserMapper.class).selectUsers();
    }
}

    
     //方法1
    
        
    
     //方法2