5. Mybatis UPDATE更新,DELETE删除

本文详细介绍了MyBatis框架中更新(update)和删除(delete)操作的XML映射文件配置方法,通过具体示例展示了如何使用Blog实体类进行数据库操作。

案例:

1. update

<?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.accp.mybatis.model.Blog">  
    <update id="updateBlog" parameterType="Blog">    
       UPDATE Blog    
            SET title = #{title},     
                author_id = #{author.id},    
         WHERE id = #{id};  
    </update>    
</mapper>  

2. delete

<delete id="deleteBlog" parameterType="Blog">    
      DELETE FROM BLOG WHERE ID = #{id}    
</delete> 

update、delete语句属性配置细节:

 

转载于:https://www.cnblogs.com/shix0909/p/11149188.html

package com.sbibits.evanes.fbond.service.dao.zero.model; import org.mybatis.dynamic.sql.AliasableSqlTable; import org.mybatis.dynamic.sql.SqlColumn; import javax.annotation.Generated; import java.sql.JDBCType; import java.time.LocalDateTime; public final class ZeroBondBalanceDateAdjDynamicSqlSupport { @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final ZeroBondBalanceDateAdj zeroBondBalanceDateAdj = new ZeroBondBalanceDateAdj(); @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> bdmBondCode = zeroBondBalanceDateAdj.bdmBondCode; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> businessDate = zeroBondBalanceDateAdj.businessDate; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> checkBalanceDate = zeroBondBalanceDateAdj.checkBalanceDate; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> restrictBalanceDate = zeroBondBalanceDateAdj.restrictBalanceDate; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> deleteFlg = zeroBondBalanceDateAdj.deleteFlg; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<String> updateUser = zeroBondBalanceDateAdj.updateUser; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final SqlColumn<LocalDateTime> updateDate = zeroBondBalanceDateAdj.updateDate; @Generated("org.mybatis.generator.api.MyBatisGenerator") public static final class ZeroBondBalanceDateAdj extends AliasableSqlTable<ZeroBondBalanceDateAdj> { public final SqlColumn<String> bdmBondCode = column("BDM_BOND_CODE", JDBCType.VARCHAR); public final SqlColumn<String> businessDate = column("BUSINESS_DATE", JDBCType.CHAR); public final SqlColumn<String> checkBalanceDate = column("CHECK_BALANCE_DATE", JDBCType.CHAR); public final SqlColumn<String> restrictBalanceDate = column("RESTRICT_BALANCE_DATE", JDBCType.CHAR); public final SqlColumn<String> deleteFlg = column("DELETE_FLG", JDBCType.CHAR); public final SqlColumn<String> updateUser = column("UPDATE_USER", JDBCType.VARCHAR); public final SqlColumn<LocalDateTime> updateDate = column("UPDATE_DATE", JDBCType.TIMESTAMP); public ZeroBondBalanceDateAdj() { super("ZERO_BOND_BALANCE_DATE_ADJ", ZeroBondBalanceDateAdj::new); } } } 这种文件是怎么生成的,需要什么jar,什么支持?
最新发布
11-26
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