package controller;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.ibatis.io.Resources;
import org.apache.ibatis.session.SqlSession;
import org.apache.ibatis.session.SqlSessionFactory;
import org.apache.ibatis.session.SqlSessionFactoryBuilder;
public class LoginServlet extends HttpServlet {
/**
* Constructor of the object.
*/
public LoginServlet() {
super();
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
String username = request.getParameter("username").trim();
String password = request.getParameter("password").trim();
String resource = "mybatis-config.xml";
InputStream inputStream = Resources.getResourceAsStream(resource);
SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder()
.build(inputStream);
SqlSession session=sqlSessionFactory.openSession();
Map<String,Object> params = new HashMap<>();
params.put("username", username);
params.put("password", password);
List<User> us = session.selectList("getPassword",username);
User user = us.get(0);
if(user.getPassword().equals(password)){
request.getRequestDispatcher("/index.jsp").forward(request,response);
}
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the POST method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
}
Java Web练手做的一个无聊网页小游戏，持续完善中.zip
版权申诉
175 浏览量
2023-08-04
21:15:44
上传
评论
收藏 1.89MB ZIP 举报
Java Web练手做的一个无聊网页小游戏，持续完善中.zip （21个子文件） 
222 
.classpath 1KB .settings org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.jdt.core.prefs 587B .jsdtscope 510B org.eclipse.wst.common.component 466B org.eclipse.wst.common.project.facet.core.xml 403B org.eclipse.wst.jsdt.ui.superType.container 49B src controller User.xml 1KB Login.java 1KB User.java 500B LoginServlet.java 3KB mybatis-config.xml 771B WebRoot WEB-INF lib 
mysql-connector-java-5.0.8-bin.jar 528KB mybatis-3.4.4.jar 1.53MB web.xml 713B .gitignore 9B index.jsp 4KB META-INF MANIFEST.MF 36B test.jsp 852B login.jsp 1KB .project 1KB资源评论
