Mybatis增删改查,包含批量操作

1.新增
     
     
     	insert into users(name,age) value(#{name},#{age})
     
    
    
    		insert in to users(name,age)value
    		
    			(#{user.name},#{user.age})
    		
    

    2.修改
    
    
        	update users set age=#{age},name=#{name} where id = #{id}
    
    
    
    		
        		update users
        		
            		name=${user.name}
        		
        		where id = ${user.id}
    		
        
	3.查询
	
 	
    
	

	4.删除
	
	
   		 delete from users where id=#{id}
   	
   	
	
    		delete from users 
    		where id in
       	
        		#{id}
    		
   	
   	
以上所有parameterType="java.util.List"这个参数,
如果是String则用List userList = new ArrayList();
userList.add("name");
如果是int则用List userList = new ArrayList();
userList.add(id);


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