优化

finance/src/main/java/com/baiyue/finance/service/FinanceSettlementService.java

@@ -66,11 +66,7 @@ public class FinanceSettlementService {
     private final FinanceSupplierValidator supplierValidator;
     private final FinanceDocumentNumberGenerator documentNumbers;
 
-    public FinanceSettlementService(JdbcTemplate jdbc, ObjectMapper objectMapper, FinanceVoucherValidator voucherValidator,
-                                    FinanceSupplierValidator supplierValidator) {
-        this(jdbc, objectMapper, voucherValidator, supplierValidator, new FinanceDocumentNumberGenerator(jdbc));
-    }
-
+    /** 注入统一编号组件，确保所有业务入口共用受事务保护的日流水。 */
     @Autowired
     public FinanceSettlementService(JdbcTemplate jdbc, ObjectMapper objectMapper, FinanceVoucherValidator voucherValidator,
                                     FinanceSupplierValidator supplierValidator,
@@ -82,6 +78,7 @@ public class FinanceSettlementService {
         this.documentNumbers = documentNumbers;
     }
 
+    /** 创建应收结算单，幂等请求恢复原单，首次建单分配 AR 日流水。 */
     @Transactional
     public SettlementDetail createReceivableSettlement(long operatorId, String key,
                                                         CreateReceivableSettlementRequest request) {

finance/src/main/java/com/baiyue/finance/service/ReconciliationStatementService.java

@@ -46,10 +46,7 @@ public class ReconciliationStatementService {
     private final ObjectMapper objectMapper;
     private final FinanceDocumentNumberGenerator documentNumbers;
 
-    public ReconciliationStatementService(JdbcTemplate jdbc, ObjectMapper objectMapper) {
-        this(jdbc, objectMapper, new FinanceDocumentNumberGenerator(jdbc));
-    }
-
+    /** 注入统一编号组件，确保所有业务入口共用受事务保护的日流水。 */
     @Autowired
     public ReconciliationStatementService(JdbcTemplate jdbc, ObjectMapper objectMapper,
                                           FinanceDocumentNumberGenerator documentNumbers) {
@@ -58,6 +55,7 @@ public class ReconciliationStatementService {
         this.documentNumbers = documentNumbers;
     }
 
+    /** 创建对账单并分配 REC 日流水，重复请求返回已创建记录。 */
     @Transactional
     public ReconciliationDetail create(long operatorId, String key, CreateReconciliationRequest request) {
         validateCreate(request);

finance/src/main/resources/db/finance.sql

@@ -398,7 +398,7 @@ CREATE TABLE IF NOT EXISTS fin_document_sequence (
   current_value INT UNSIGNED NOT NULL COMMENT '该类型当日已分配的最大序号',
   PRIMARY KEY (sequence_key),
   CONSTRAINT chk_fin_document_sequence_value CHECK (current_value > 0)
-) ENGINE=InnoDB COMMENT='Finance业务单号日序列；生成YYMMDD加四位当日序号';
+) ENGINE=InnoDB COMMENT='财务业务单号日序列；生成前缀加yyyyMMdd加四位当日序号';
 
 CREATE TABLE IF NOT EXISTS fin_audit_log (
   id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
@@ -524,7 +524,7 @@ CREATE TABLE IF NOT EXISTS fin_wallet_account (
 CREATE TABLE IF NOT EXISTS fin_recharge_request (
   id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
   customer_id BIGINT UNSIGNED NOT NULL COMMENT '客户ID和隔离键',
-  request_no VARCHAR(32) NOT NULL COMMENT '充值申请业务编号RC-yyMMdd-####',
+  request_no VARCHAR(32) NOT NULL COMMENT '充值申请业务编号RCyyyyMMdd####',
   amount DECIMAL(20,2) NOT NULL COMMENT '申请充值金额',
   voucher_file_id BIGINT UNSIGNED NOT NULL COMMENT '付款截图File ID',
   voucher_file_name VARCHAR(255) NOT NULL COMMENT '付款截图文件名快照',
@@ -549,7 +549,7 @@ CREATE TABLE IF NOT EXISTS fin_recharge_request (
 CREATE TABLE IF NOT EXISTS fin_wallet_ledger (
   id BIGINT UNSIGNED NOT NULL AUTO_INCREMENT COMMENT '主键ID',
   customer_id BIGINT UNSIGNED NOT NULL COMMENT '客户ID和隔离键',
-  business_no VARCHAR(32) NOT NULL COMMENT '账户变动业务编号AC-yyMMdd-####',
+  business_no VARCHAR(32) NOT NULL COMMENT '账户变动业务编号ACyyyyMMdd####',
   change_type VARCHAR(16) NOT NULL COMMENT '变动类型：充值、扣款、冻结、解冻、消费或授信调整',
   amount DECIMAL(20,2) NOT NULL COMMENT '带方向变动金额，充值为正、扣款为负',
   actual_balance_after DECIMAL(20,2) NOT NULL COMMENT '变动后实际余额',