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一、越少的代码,越强悍的功能,xml里面应该6个sql语句就够用了,修改,维护成本很低,见下表 下载
英文名方法名称核心点建议insert1.新增数据如果是自增主键,应该返回主键IDdeleteById2. 根据主键ID删除数据sql默认加limit 1,防止多删数据此方法不建议有,建议逻辑删除updateById3. 根据主键ID修改数据sql默认加limit 1,防止多修改数据selectById4. 根据主键查询数据查询一条数据selectByIdForUpdate5. 根据主键加锁查询数据加锁查询一条数据,事务处理用queryListByParam6. 根据输入条件查询数据列表和7配合使用queryCountByParam7. 根据输入条件查询总数和6配合使用 二、公共的查询条件和字段列表等抽出公共sql段,方便使用
英文名方法名称核心点建议_field_list1.字段列表修改方便,方便字段排序_value_list2. 字段值列表修改方便,方便字段值排序_common_where3. 通用查询条件每个字段的等值判断_regin_where4. 通用范围区间条件字段的时间区间,字段的金额区间等的判断_contain_where5. 包含字段值范围条件字段的常量值包含判断,in ,not in_common_sorts6. 通用排序条件order by 三、一个mybatis.xml例子 下载
Sql代码
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- id,
- user_id,
- amount,
- earning,
- type,
- status,
- product_id,
- product_name,
- card_no,
- bank_code,
- order_id,
- effective_date,
- redeem_type,
- init_amount,
- init_earning,
- redeeming_amount,
- redeeming_earning,
- redeemed_amount,
- redeemed_earning,
- punish_amount,
- latest_redeem_time,
- maturity_date,
- create_time,
- modify_time,
- remark
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- #{id},
- #{userId},
- #{amount},
- #{earning},
- #{type},
- #{status},
- #{productId},
- #{productName},
- #{cardNo},
- #{bankCode},
- #{orderId},
- #{effectiveDate},
- #{redeemType},
- #{initAmount},
- #{initEarning},
- #{redeemingAmount},
- #{redeemingEarning},
- #{redeemedAmount},
- #{redeemedEarning},
- #{punishAmount},
- #{latestRedeemTime},
- #{maturityDate},
- #{createTime},
- #{modifyTime},
- #{remark}
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- AND id = #{id}
- AND user_id = #{userId}
- AND amount = #{amount}
- AND earning = #{earning}
- AND type = #{type}
- AND status = #{status}
- AND product_id = #{productId}
- AND product_name = #{productName}
- AND card_no = #{cardNo}
- AND bank_code = #{bankCode}
- AND order_id = #{orderId}
- AND effective_date = #{effectiveDate}
- AND redeem_type = #{redeemType}
- AND init_amount = #{initAmount}
- AND init_earning = #{initEarning}
- AND redeeming_amount = #{redeemingAmount}
- AND redeeming_earning = #{redeemingEarning}
- AND redeemed_amount = #{redeemedAmount}
- AND redeemed_earning = #{redeemedEarning}
- AND punish_amount = #{punishAmount}
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- AND remark = #{remark}
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- = #{egtCreateTime, jdbcType=TIMESTAMP}
- ]]>
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- ORDER BY
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- ${item.column.columnName} ${item.sortMode.mode}
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- AND status IN
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- #{item}
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- INSERT INTO assets (
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- VALUES (
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- delete from assets where id = #{id} limit 1
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- UPDATE assets
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- user_id = #{userId},
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- amount = #{amount},
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- earning = #{earning},
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- type = #{type},
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- status = #{status},
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- product_name = #{productName},
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- product_id = #{productId},
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- card_no = #{cardNo},
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- bank_code = #{bankCode},
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- order_id = #{orderId},
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- effective_date = #{effectiveDate},
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- redeem_type = #{redeemType},
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- init_amount = #{initAmount},
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- init_earning = #{initEarning},
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- redeeming_amount = #{redeemingAmount},
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- redeeming_earning = #{redeemingEarning},
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- redeemed_amount = #{redeemedAmount},
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- redeemed_earning = #{redeemedEarning},
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- punish_amount = #{punishAmount},
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- latest_redeem_time = #{latestRedeemTime},
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- maturity_date = #{maturityDate},
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- modify_time = #{modifyTime},
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- remark = #{remark},
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- id = #{id} limit 1
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- select * from assets where id = #{id}
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- select * from assets where id = #{id} for update
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- SELECT
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- FROM
- assets
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- 1 = 1
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- limit #{offset}, #{rows}
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- SELECT count(1) FROM assets
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- 1 = 1
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