From 7dae2509ddb7d918f0ef0450a09ed721f6c7540f Mon Sep 17 00:00:00 2001
From: gongchunyi <deslre0381@gmail.com>
Date: 星期五, 24 四月 2026 11:07:04 +0800
Subject: [PATCH] fix: 应付金额去重并扣减历史记录

---
 src/main/resources/mapper/purchase/PaymentRegistrationMapper.xml |   47 +++++++++++++++++++++++++++++++++--------------
 1 files changed, 33 insertions(+), 14 deletions(-)

diff --git a/src/main/resources/mapper/purchase/PaymentRegistrationMapper.xml b/src/main/resources/mapper/purchase/PaymentRegistrationMapper.xml
index 13491b6..bd3339f 100644
--- a/src/main/resources/mapper/purchase/PaymentRegistrationMapper.xml
+++ b/src/main/resources/mapper/purchase/PaymentRegistrationMapper.xml
@@ -187,29 +187,48 @@
         SELECT
         T1.supplier_id,
         T1.supplier_name,
-        SUM(T1.contract_amount) AS invoiceAmount,
-        SUM(IFNULL(T2.paid_sum, 0)) AS paymentAmount,
-        (SUM(T1.contract_amount) - SUM(IFNULL(T2.paid_sum, 0))) AS payableAmount
-        FROM purchase_ledger T1
-        LEFT JOIN (
-        SELECT purchase_ledger_id, SUM(current_payment_amount) AS paid_sum
-        FROM payment_registration
-        GROUP BY purchase_ledger_id
-        ) T2 ON T1.id = T2.purchase_ledger_id
+        T1.invoiceAmount,
+        IFNULL(T2.paymentAmount, 0) AS paymentAmount,
+        (T1.invoiceAmount - IFNULL(T2.paymentAmount, 0)) AS payableAmount
+        FROM (
+        SELECT
+        supplier_id,
+        supplier_name,
+        SUM(contract_amount) AS invoiceAmount
+        FROM purchase_ledger
         <where>
             <if test="req.supplierName != null and req.supplierName != '' ">
-                AND T1.supplier_name LIKE CONCAT ('%',#{req.supplierName},'%')
+                AND supplier_name LIKE CONCAT ('%',#{req.supplierName},'%')
             </if>
         </where>
-        GROUP BY T1.supplier_id, T1.supplier_name
+        GROUP BY supplier_id, supplier_name
+        ) T1
+        LEFT JOIN (
+        SELECT
+        supplier_id,
+        SUM(current_payment_amount) AS paymentAmount
+        FROM payment_registration
+        GROUP BY supplier_id
+        ) T2 ON T1.supplier_id = T2.supplier_id
     </select>
 
     <select id="supplierNameListPageDetails" resultType="com.ruoyi.purchase.dto.PaymentRegistrationDto">
         SELECT
+        T2.id,
         T1.purchase_contract_number,
         T1.contract_amount AS invoiceAmount,
-        IFNULL(SUM(T2.current_payment_amount), 0) AS paymentAmount,
-        IFNULL((T1.contract_amount - IFNULL(SUM(T2.current_payment_amount), 0)), 0) AS payableAmount,
+        IFNULL(T2.current_payment_amount, 0) AS paymentAmount,
+        IFNULL((
+        T1.contract_amount - IFNULL((
+        SELECT SUM(T3.current_payment_amount)
+        FROM payment_registration T3
+        WHERE T3.purchase_ledger_id = T1.id
+        AND (
+        T3.payment_date &lt; T2.payment_date
+        OR (T3.payment_date = T2.payment_date AND T3.id &lt;= T2.id)
+        )
+        ), 0)
+        ), 0) AS payableAmount,
         T2.payment_date
         FROM purchase_ledger T1
         INNER JOIN payment_registration T2 ON T1.id = T2.purchase_ledger_id
@@ -219,7 +238,7 @@
                 AND T1.supplier_name LIKE CONCAT ('%', #{req.supplierName}, '%')
             </if>
         </where>
-        GROUP BY T1.id, T1.purchase_contract_number, T1.contract_amount, T2.payment_date
+        ORDER BY T2.payment_date ASC, T2.id ASC
 
     </select>
 

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