package Methods;
import java.io.File;
import java.io.IOException;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.Element;
import org.dom4j.io.SAXReader;
import org.dom4j.tree.DefaultElement;
@WebServlet("/user/login")
public class Dom4j extends HttpServlet{
String Name;
String Password;
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
super.doPost(req, resp);
}
@SuppressWarnings("null")
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
{
// TODO Auto-generated method stub
try {
super.doPost(req, resp);
} catch (ServletException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Name=req.getParameter("txtUserName");
Password=req.getParameter("txtPassword");
System.out.println("dsafsd");
System.out.println(Password);
Boolean a=login();
if(a)
{
try {
**resp.sendRedirect("main.jsp");**
return;
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
else{
try {
** resp.sendRedirect("MyJsp.jsp");**
return;
}
catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}
public Boolean login(){
String path="C:\\Users\\25527\\Desktop\\test\\src\\Methods\\account.xml";
File file=new File(path);
SAXReader sr=new SAXReader();
sr.setEncoding("GB18030");
int a=-1;
try {
Document doc=sr.read(file);
Element root=doc.getRootElement();
List<Element> empList=root.elements();
for(Element empEle: empList)
{
Element nameEle=empEle.element("ID");
String name=nameEle.getTextTrim();
Element word=empEle.element("password");
String mima=word.getTextTrim();
if(name.equals(Name)&& mima.equals(Password))
{
a=1;
break;
}
//或者 String namer=empEle.elementText("name");
}
} catch (DocumentException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
if(a==1)
{
return true;
}
else{
return false;
}
}
}