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
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2023-07-19
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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） 
Devil-master 
.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
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