BEGIN DECLARE sid INT(10) DEFAULT 0; DECLARE money INT(10) DEFAULT 0; DECLARE row_count INT; DECLARE done INT DEFAULT FALSE;#默認遊標讀出有記錄 DECLARE cur_order CURSOR for SELECT m.id,sum(o.price) money from ims_bj_shopn_order as o LEFT JOIN ims_bj_shopn_member as m on o.uid=m.id where o.status in ('1','2','3','6','7') and (m.isadmin=1 or m.id=m.staffid) and o.createtime BETWEEN 1514736000 and 1546271999 GROUP BY o.uid ORDER BY money desc; DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;-- 綁定控制變量到遊標,遊標循環結束自動轉true #select cur_order; open cur_order;-- 打開遊標 myLoop:LOOP -- 開始循環體,myLoop爲自定義循環名,結束循環時用到 FETCH cur_order INTO sid,money; -- 將遊標當前讀取行的數據順序賦予自定義變量 IF done THEN -- 判斷是否繼續循環 LEAVE myLoop; -- 結束循環 END IF; -- 本身要作的事情,在 sql 中直接使用自定義變量便可 SELECT count(*) INTO row_count from think_purchase_amount where sellerid=sid; IF (row_count=0) THEN INSERT INTO think_purchase_amount(sellerid,count,year) VALUES(sid,money,2018); ELSE UPDATE think_purchase_amount SET count=count+money,year=2018 WHERE sellerid=sid; END IF; END LOOP myLoop;-- 結束自定義循環體 CLOSE cur_order;-- 關閉遊標 END