MyBatis 批量插入List 和批量更新List解析

Mapper 接口定义:

// 批量新增 
	void batchInsert(List<T> list);

Mapper.xml 文件

 <!-- 批量新增  --> 
  <insert id="batchInsert" parameterType="java.util.List"> 
    			insert into SYS_ROLE_PRIVILEGE 
    			(SID, ROLE_SID, PRIVILEGE_SID) 
    			values 
    			<foreach collection="list" item="item" index="index" separator=","> 
    				( 
    					#{item.sid}, 
    					#{item.roleSid}, 
    					#{item.privilegeSid} 
    				) 
    		     </foreach>		 
    </insert>    

Mapper 接口定义

 // 方法梳理 
    void batchUpdate(List<FileInfo> list);

Mapper.xml 文件

	<!-- 批量更新  --> 
	<update id="batchUpdate" parameterType="java.util.List"> 
		 <foreach collection="list" item="item" index="index" open="" close="" separator=";"> 
			 	update ucas_file_info 
			<set> 
				<if test="item.archSid != null"> 
					arch_sid = #{item.archSid,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.unitProjSid != null"> 
					unit_proj_sid = #{item.unitProjSid,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.individualProjSid != null"> 
					individual_proj_sid = 
					#{item.individualProjSid,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.engProjSid != null"> 
					eng_proj_sid = #{item.engProjSid,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileNo != null"> 
					file_no = #{item.fileNo,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.archFileNo != null"> 
					arch_file_no = #{item.archFileNo,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileId != null"> 
					file_id = #{item.fileId,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.oldFileId != null"> 
					old_file_id = #{item.oldFileId,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileTitle != null"> 
					file_title = #{item.fileTitle,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.responsibility != null"> 
					responsibility = #{item.responsibility,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileImageNo != null"> 
					file_image_no = #{item.fileImageNo,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.manuscriptCode != null"> 
					manuscript_code = #{item.manuscriptCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.storageTypeCode != null"> 
					storage_type_code = #{item.storageTypeCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.securityLevelCode != null"> 
					security_level_code = 
					#{item.securityLevelCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.openStatus != null"> 
					open_status = #{item.openStatus,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileTypeCode != null"> 
					file_type_code = #{item.fileTypeCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.startDate != null"> 
					start_date = #{item.startDate,jdbcType=TIMESTAMP}, 
				</if> 
				<if test="item.endDate != null"> 
					end_date = #{item.endDate,jdbcType=TIMESTAMP}, 
				</if> 
				<if test="item.pageNo != null"> 
					page_no = #{item.pageNo,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.textNums != null"> 
					text_nums = #{item.textNums,jdbcType=INTEGER}, 
				</if> 
				<if test="item.drawNums != null"> 
					draw_nums = #{item.drawNums,jdbcType=INTEGER}, 
				</if> 
				<if test="item.baseNums != null"> 
					base_nums = #{item.baseNums,jdbcType=INTEGER}, 
				</if> 
				<if test="item.photoNums != null"> 
					photo_nums = #{item.photoNums,jdbcType=INTEGER}, 
				</if> 
				<if test="item.negativeNums != null"> 
					negative_nums = #{item.negativeNums,jdbcType=INTEGER}, 
				</if> 
				<if test="item.mediaTypeCode != null"> 
					media_type_code = #{item.mediaTypeCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.specCode != null"> 
					spec_code = #{item.specCode,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.efileInfo != null"> 
					efile_info = #{item.efileInfo,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.fileHierarchy != null"> 
					file_hierarchy = #{item.fileHierarchy,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.recordType != null"> 
					record_type = #{item.recordType,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.note != null"> 
					note = #{item.note,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.createdBy != null"> 
					created_by = #{item.createdBy,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.createdDt != null"> 
					created_dt = #{item.createdDt,jdbcType=TIMESTAMP}, 
				</if> 
				<if test="item.updatedBy != null"> 
					updated_by = #{item.updatedBy,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.updatedDt != null"> 
					updated_dt = #{item.updatedDt,jdbcType=TIMESTAMP}, 
				</if> 
				<if test="item.pdfCreatedFlag != null"> 
					pdf_created_flag = #{item.pdfCreatedFlag,jdbcType=INTEGER}, 
				</if> 
				<if test="item.pdfPath != null"> 
					pdf_path = #{item.pdfPath,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.pdfFilename != null"> 
					pdf_filename = #{item.pdfFilename,jdbcType=VARCHAR}, 
				</if> 
				<if test="item.pdfCreatedDt != null"> 
					pdf_created_dt = #{item.pdfCreatedDt,jdbcType=TIMESTAMP}, 
				</if> 
				<if test="item.deleteFlag != null"> 
					delete_flag = #{item.deleteFlag,jdbcType=VARCHAR}, 
				</if> 
			</set> 
			where sid = #{item.sid,jdbcType=VARCHAR} 
		 </foreach> 
	</update>