String checkuser="SELECT * FROM TAB_USER WHERE USER_ACCOUNTS="+regUserForm.getUsername().toString();
改成:
String checkuser="SELECT * FROM TAB_USER WHERE USER_ACCOUNTS='"+regUserForm.getUsername().toString()+"'";
解决了请结贴,下次写代码一定要仔细
改成:
String checkuser="SELECT * FROM TAB_USER WHERE USER_ACCOUNTS='"+regUserForm.getUsername().toString()+"'";
解决了请结贴,下次写代码一定要仔细
是上一个类没有返回值!!!!