String User = request.getParameter("User"); //得到登录用户名
String Pwd = request.getParameter("Pwd"); //得到登录密码
if (null == User || "".equals(User) || null == Pwd
|| "".equals(Pwd));
System.out.println("用户名和密码不能为空");
System.out.println(User);/* 输出用户名和密码 */
System.out.println(Pwd);
Dao dao = new Dao();
dao.startTransaction();
try {
Map param = new HashMap();
param.put("login_name", User);
param.put("passwd", Pwd);
Person person = (Person) dao.select(
"PersonMapper.selectPersonByUsernamePassword", param);
if (person == null) {
System.out.println("无此用户");
}
else if(!person.getPasswd().equals(Pwd)){
System.out.println("密码错误");
}
else {
System.out.println("用户校验正确");
}
} finally {
dao.endTransaction();
}
%>
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