Mybatis 注解形式

1.查询

//    查询
    @Select("select id, name, type, numbers, cancelled, completed, percentage from customer_list")
    List<CustomerList> selectCustomerListAll();
2.修改

//    修改
    @Update("<script> update customer_list set <if test = 'name != null'> name = #{name} ,</if>" +
            "<if test = 'type != null'> type = #{type} ,</if>" +
            "<if test = 'numbers != null'> numbers = #{numbers} ,</if>" +
            "<if test = 'cancelled != null'> cancelled = #{cancelled} ,</if>" +
            "<if test = 'completed != null'> completed = #{completed} ,</if>" +
            "<if test = 'percentage != null'> percentage = #{percentage} ,</if>" +
            "id = #{id} where id = #{id}</script>")
    int updateCustomerListOneId(CustomerList customerList);

3.查询

与修改类似