zoukankan      html  css  js  c++  java
  • Mybatis 插入与批量插入以及多参数批量删除

    说明:mybatis实现数据的批量插入及删除功能

    一:批量插入

    实体类:

    package com.thinkgem.wlw.modules.midea.realtimedata.entity;
    
    import com.thinkgem.wlw.common.persistence.DataEntity;
    
    import java.util.Date;
    
    /**
     * @Author: zhouhe
     * @Date: 2019/6/12 10:10
     */
    public class Realtimedata extends DataEntity<Realtimedata> {
        private String code;
        private int device_param_id;
        private Double value;
        private Date time;
    
        public String getCode() {
            return code;
        }
    
        public void setCode(String code) {
            this.code = code;
        }
    
        public int getDevice_param_id() {
            return device_param_id;
        }
    
        public void setDevice_param_id(int device_param_id) {
            this.device_param_id = device_param_id;
        }
    
        public Double getValue() {
            return value;
        }
    
        public void setValue(Double value) {
            this.value = value;
        }
    
        public Date getTime() {
            return time;
        }
    
        public void setTime(Date time) {
            this.time = time;
        }
    }

    Mapper接口:

    package com.thinkgem.wlw.modules.midea.realtimedata.dao;
    
    import com.thinkgem.wlw.common.persistence.CrudDao;
    import com.thinkgem.wlw.common.persistence.annotation.MyBatisDao;
    import com.thinkgem.wlw.modules.midea.realtimedata.entity.Realtimedata;
    
    import java.util.List;
    
    /**
     * 实时表数据(模拟量参数)
     * @Author: zhouhe
     * @Date: 2019/6/12 10:11
     */
    @MyBatisDao
    public interface RealtimedataDao extends CrudDao<Realtimedata> {
    
        void insertByBatch(List<Realtimedata> xtd_device_data_monitor);
    }

    Mapper.xml:

    <?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.thinkgem.wlw.modules.midea.realtimedata.dao.RealtimedataDao">
    
        <insert id="insertByBatch" parameterType="java.util.List">
            insert into xtd_device_data_monitor (code,device_param_id,value,time)
            values
            <foreach collection="list" item="item" index="index" separator=",">
                (#{item.code,jdbcType=VARCHAR}, #{item.device_param_id,jdbcType=INTEGER},#{item.value,jdbcType=DOUBLE},now())
            </foreach>
        </insert>
    
    </mapper>

    二:多参数批量删除示例

    package com.vrv.linkdood.app.workreport.demomodule.mapper;import org.apache.ibatis.annotations.Param;public interface AttachmentTableMapper {
        void deleteByLogIdAndNames(@Param("logid") Integer logID, @Param("names") String[] names);
    }
    <delete id="deleteByLogIdAndNames">
            delete from attachment_table
            where logid = #{logid,jdbcType=INTEGER} AND NAME IN
            <foreach collection="names" item="item" index="index" open="(" close=")" separator=",">
                #{item}
            </foreach>
        </delete>

    文章来源:https://www.cnblogs.com/liaojie970/p/5577018.html

  • 相关阅读:
    Html禁止粘贴 复制 剪切
    表单标签
    自构BeanHandler(用BeansUtils)
    spring配置中引入properties
    How Subcontracting Cockpit ME2ON creates SD delivery?
    cascadia code一款很好看的微软字体
    How condition value calculated in sap
    Code in SAP query
    SO Pricing not updated for partial billing items
    Javascript learning
  • 原文地址:https://www.cnblogs.com/zhouheblog/p/11008754.html
Copyright © 2011-2022 走看看