first commit

2026-02-06 23:26:59 +08:00
parent 0f3f1467b8
commit 6cf8248b2d
34 changed files with 2348 additions and 0 deletions
@@ -0,0 +1,49 @@
+DELIMITER //
+CREATE OR REPLACE FUNCTION sys_next_no(
+  p_billno_max VARCHAR(20)
+) 
+RETURNS VARCHAR(20)
+DETERMINISTIC
+BEGIN
+  DECLARE v_billno VARCHAR(20);
+  DECLARE v_code1 VARCHAR(10);
+  DECLARE v_code2 VARCHAR(10);
+  DECLARE v_code3 INT;
+  
+  SET v_billno = p_billno_max;
+  
+  IF IFNULL(v_billno, '') = '' THEN
+    SET v_billno = CONCAT(DATE_FORMAT(CURDATE(), '%y%m%d'), '-001');
+  ELSE
+    -- Check last 3 digits
+    IF REGEXP_SUBSTR(v_billno, '[0-9]{3}$') IS NOT NULL THEN
+      SET v_code1 = RIGHT(v_billno, 3);
+      SET v_code3 = CAST(v_code1 AS UNSIGNED) + 1;
+      
+      IF v_code3 < 10 THEN
+        SET v_code2 = CONCAT('00', v_code3);
+      ELSEIF v_code3 < 100 THEN
+        SET v_code2 = CONCAT('0', v_code3);
+      ELSE
+        SET v_code2 = CAST(v_code3 AS CHAR);
+      END IF;
+      
+      SET v_billno = CONCAT(LEFT(v_billno, LENGTH(v_billno) - 3), v_code2);
+    -- Check last 2 digits
+    ELSEIF REGEXP_SUBSTR(v_billno, '[0-9]{2}$') IS NOT NULL THEN
+      SET v_code1 = RIGHT(v_billno, 2);
+      SET v_code3 = CAST(v_code1 AS UNSIGNED) + 1;
+      
+      IF v_code3 < 10 THEN
+        SET v_code2 = CONCAT('0', v_code3);
+      ELSE
+        SET v_code2 = CAST(v_code3 AS CHAR);
+      END IF;
+      
+      SET v_billno = CONCAT(LEFT(v_billno, LENGTH(v_billno) - 2), v_code2);
+    END IF;
+  END IF;
+  
+  RETURN v_billno;
+END //
+DELIMITER ;