String url="jdbc:mysql://172.31.13.125:3306/"+database+"?useUnicode=true&characterEncoding=gb2312";转换
gb = new String(iso.getBytes("GB2312"),"ISO-8859-1");开发环境eclipse往数据库中插入有问题。全是问号!
gb = new String(iso.getBytes("GB2312"),"ISO-8859-1");开发环境eclipse往数据库中插入有问题。全是问号!
show variables;
default-character-set=latin1
全部是latin1