詳解mybatis collection標(biāo)簽一對多的使用
查詢, 結(jié)果集為AssociatedInfo:
<select id="queryReportAssociatedAcp" resultMap="AssociatedInfo"> SELECT r.requisition_number AS business_code, r.id AS header_id, r.document_type_id AS reportTypeId, r.applicant_id as employeeId FROM fec_expense.exp_report_payment_schedule b,fec_expense.exp_report_header r WHERE b.exp_report_header_id=r.id and r.`status`=1004 and b.frozen_flag ="Y" and r.applicant_id=#{applicationId} <if test="reportNumber!=null and reportNumber != ''"> AND r.requisition_number LIKE concat( '%', concat(#{reportNumber,jdbcType=VARCHAR}, '%')) </if> <if test="documentTypeId !=null and reportNumber != ''"> AND r.document_type_id = #{documentTypeId} </if> <if test="formTypes != null and formTypes.size > 0"> AND r.document_type_id IN <foreach collection="formTypes" item="formId" open="(" separator="," close=")"> #{formId} </foreach> </if> AND ( b.amount - ( SELECT COALESCE(sum( c.write_off_amount ), 0) AS write_off_amount FROM csh_write_off c WHERE c.document_header_id = b.exp_report_header_id AND c.document_line_id = b.id AND ( c.STATUS = 'Y' OR ( c.STATUS = 'P' AND c.operation_type = 'WRITE_OFF' ) ) ) - ( SELECT COALESCE(sum( a.amount ), 0) AS commit_amount FROM csh_data_relation_acp a WHERE a.report_head_id = b.exp_report_header_id AND a.report_line_id = b.id AND a.document_type = 'ACP_REQUISITION' ) > 0 ) GROUP BY r.requisition_number, b.exp_report_header_id, r.document_type_id, b.applicant_id ORDER BY r.requisition_number </select>
結(jié)果集 AssociatedInfo: 使用collection 實(shí)現(xiàn)1對多的場景, CashDataPublicReportHeaderDTO實(shí)體里包含一個行的集合List<CashDataPublicReportLineDTO> lines:
<resultMap id="AssociatedInfo" type="com.hand.hcf.app.payment.web.dto.CashDataPublicReportHeaderDTO"> <result column="header_id" property="reportHeadId"/> <result column="business_code" property="reportNumber"/> <result column="form_name" property="reportTypeName"/> <collection property="lineList" column="{headerId=header_id}" ofType="ArrayList" select="getPaymentInfo"/> </resultMap> <select id="getPaymentInfo" resultType="com.hand.hcf.app.payment.web.dto.CashDataPublicReportLineDTO"> SELECT temp.id scheduleLineId, "" AS cshTransactionId, temp.amount, temp.associated_amount associatedAmount, ( temp.amount - temp.associated_amount - ( SELECT COALESCE ( sum( c.write_off_amount ), 0 ) AS write_off_amount FROM csh_write_off c WHERE c.document_header_id = temp.exp_report_header_id AND c.document_line_id = temp.id AND c.document_type = "PUBLIC_REPORT" AND ( c.STATUS = 'Y' OR ( c.STATUS = 'P' AND c.operation_type = 'WRITE_OFF' ) ) ) ) AS availableAmount, temp.exp_report_header_id expReportHeaderId, 0 AS scheduleLineNumber, temp.company_id companyId, temp.currency_code currency, temp.description description, temp.exchange_rate exchangeRate, temp.payment_schedule_date schedulePaymentDate, temp.payment_method paymentMethod, temp.payment_type, temp.prop_flag prop_flag, temp.csh_transaction_class_id cshTransactionClassId, ( SELECT ctc.description FROM csh_transaction_class ctc WHERE ctc.id = temp.csh_transaction_class_id ) AS cshTransactionClassName, temp.cash_flow_item_id cashFlowItemId, temp.payee_category payeeCategory, temp.payee_id payeeId, temp.account_number accountNumber, temp.account_name accountName, temp.bank_code bankCode, temp.bank_name bankName, temp.bank_code bankLocationCode, temp.bank_name bankLocationName, "" provinceCode, "" provinceName, ""cityCode, "" cityName, (select c.type_code from csh_transaction_class c where c.id=temp.csh_transaction_class_id ) cshTransactionTypeCode, ""contractHeaderId FROM ( SELECT b.*, ( SELECT COALESCE ( sum( a.amount ), 0 ) AS associated_amount FROM csh_data_relation_acp a WHERE a.report_head_id = b.exp_report_header_id AND a.report_line_id = b.id AND a.document_type = 'ACP_REQUISITION' ) AS associated_amount FROM fec_expense.exp_report_payment_schedule b ,fec_expense.exp_report_header r WHERE b.frozen_flag = "Y" and b.exp_report_header_id=r.id AND b.exp_report_header_id = #{headerId} ) temp </select>
包含列表的實(shí)體類 CashDataPublicReportHeaderDTO :
package com.hand.hcf.app.payment.web.dto; import com.fasterxml.jackson.databind.annotation.JsonSerialize; import com.fasterxml.jackson.databind.ser.std.ToStringSerializer; import lombok.Data; import java.time.ZonedDateTime; import java.util.List; @Data public class CashDataPublicReportHeaderDTO { @JsonSerialize(using = ToStringSerializer.class) private Long reportHeadId;//報賬單頭ID private String reportNumber;//報賬單編號 private String reportTypeName;//報賬單類型 @JsonSerialize(using = ToStringSerializer.class) private Long reportTypeId;// 報賬單類型ID private List<CashDataPublicReportLineDTO> lineList;//報賬單計劃付款行 @JsonSerialize(using = ToStringSerializer.class) private Long employeeId;//員工ID private String employeeName;//員工名稱 private ZonedDateTime requisitionDate; // 申請日期 }
總結(jié)
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- mybatis collection 多條件查詢的實(shí)現(xiàn)方法
- Mybatis中collection和association的使用區(qū)別詳解
- Mybatis中Collection集合標(biāo)簽的使用詳解
- 詳解mybatis foreach collection示例
- mybatis 中 foreach collection的用法小結(jié)(三種)
- 解決mybatis 中collection嵌套collection引發(fā)的bug
- mybatis使用collection嵌套查詢的實(shí)現(xiàn)
- Mybatis之a(chǎn)ssociation和collection用法
- MyBatis中的collection兩種使用方法及效率比較
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