Surround With->Try/Catch Block. INSERT-TimeStamp尽量不要这么去用,它会给你的查询带来困惑. insert into huo (openid,shuzi) values (x,1); Creates a PreparedStatement object for sending parameterized SQL statements to the database.
A SQL statement with or w…
遇到了很多问题:
1.字符编码问题
error:Unknown initial character set index 255 received from server. Initial client character set can be forced via the characterEncoding property.解决:String url "jdbc:mysql://localhos…