摘要：
sql_insert = "insert into spring_user(id,nickname) values(%s,%s)" 待补充 阅读全文
摘要：
import randomimport stringa=list(string.ascii_uppercase)for i in range(1,10): a.append(str(i)) def active_code(geshu,length): for i in range(geshu): k 阅读全文
摘要：
s='123' s.append(str(9))pprint s 会报错:'str' onject has no attribute 'append' s=[ ] s.append(str(9)) print s ['9'] 阅读全文