--- 将abcd中的所有字符c替换为数字3
select replace('abcd','c','3') as result;
--- 将表sys_parameters中code='url_white_list'的记录,将其字段value中的所有,/,替换为,
update sys_parameters set `value`= replace(`value`,',/,',',') where code='url_white_list';
--- 将abcd中的所有字符c替换为数字3
select replace('abcd','c','3') as result;
--- 将表sys_parameters中code='url_white_list'的记录,将其字段value中的所有,/,替换为,
update sys_parameters set `value`= replace(`value`,',/,',',') where code='url_white_list';