第一次写mysql function,献给楼主你啦~ 很笨的方法实现的 SET GLOBAL log_bin_trust_function_creators=TRUE; DROP FUNCTION IF EXISTS num_fiter; CREATE FUNCTION num_fiter(input varchar(255)) RETURNS VARCHAR(255) BEGIN DECLARE i INT; DECLARE length INT; DECLARE current VARCHAR(1); DECLARE temp VARCHAR(255); SET i=0; SET temp=''; SET length=LENGTH(input); WHILE i <= length DO SET current=SUBSTR(input FROM i FOR 1); IF current REGEXP '[0-9]' THEN SET current=''; END IF; SET temp=CONCAT(temp,current); SET i=i+1; END WHILE; RETURN temp; END;SELECT num_fiter('5456淮南小区');
SET GLOBAL log_bin_trust_function_creators=TRUE;
DROP FUNCTION IF EXISTS num_fiter;
CREATE FUNCTION num_fiter(input varchar(255)) RETURNS VARCHAR(255)
BEGIN
DECLARE i INT;
DECLARE length INT;
DECLARE current VARCHAR(1);
DECLARE temp VARCHAR(255);
SET i=0;
SET temp='';
SET length=LENGTH(input); WHILE i <= length DO
SET current=SUBSTR(input FROM i FOR 1);
IF current REGEXP '[0-9]' THEN
SET current='';
END IF;
SET temp=CONCAT(temp,current);
SET i=i+1;
END WHILE;
RETURN temp;
END;SELECT num_fiter('5456淮南小区');