NETBEANS做的WEB登录页面

package bean; import javax.faces.bean.ManagedBean; import javax.faces.bean.RequestScoped; import model.UserManager; @ManagedBean @RequestScoped public class Login { private String name; public String getName() { return name; } public void setName(String name) { this.name = name; } private String pw; public String getPw() { return pw; } public void setPw(String pw) { this.pw = pw; } private String errmsg; public String getErrmsg() { return errmsg; } public String action() { UserManager um = new UserManager(); String password = um.getPassword(name); if(password==null) { errmsg = "用户名不存在。"; return "failure"; } else if(!password.equals(pw)) { errmsg = "密码错误。"; return "failure"; } return "success"; } }