parent
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package com.demo.loginDate;
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import java.io.IOException;
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import java.sql.Connection;
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import java.sql.PreparedStatement;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.sql.Statement;
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import java.util.ArrayList;
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import javax.servlet.RequestDispatcher;
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import javax.servlet.ServletException;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import com.domain.GetDBConnection;
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import com.domain.loginDateInfo;
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import com.domain.scoreInfo;
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/**
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* Servlet implementation class InsertLoginDate
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*/
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@WebServlet("/insertlogindate")
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public class InsertLoginDate extends HttpServlet {
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private static final long serialVersionUID = 1L;
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ArrayList<loginDateInfo> loginDatelist = new ArrayList<>();
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/**
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* @see HttpServlet#HttpServlet()
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*/
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public InsertLoginDate() {
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super();
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// TODO Auto-generated constructor stub
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}
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/**
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* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
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*/
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
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// TODO Auto-generated method stub
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Connection con=null;
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Statement sql;
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ResultSet rs;
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PreparedStatement preSql;
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con = GetDBConnection.connectDB("musicMySQL","root","12345");
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if(con == null ) return;
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//String sqlStr ="insert into users values(?,?,?)";
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try {
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sql=con.createStatement();
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String sqlStr ="insert into loginDateInfo (username,loginDate) values(?,?)";
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String username = request.getParameter("username");
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username = new String(username.getBytes("iso8859-1"),"UTF-8");
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String loginDate = request.getParameter("loginDate");
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loginDate = new String(loginDate.getBytes("iso8859-1"),"UTF-8");
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preSql = con.prepareStatement(sqlStr);
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preSql.setString(1, username);
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preSql.setString(2, loginDate);
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int ok = preSql.executeUpdate();
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if(preSql.getUpdateCount()==0) {
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response.sendError(204, "insert failed");
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}
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RequestDispatcher view = request.getRequestDispatcher("/index.jsp");
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view.forward(request, response);
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}catch(SQLException e) {
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RequestDispatcher view = request.getRequestDispatcher("/index.jsp");
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view.forward(request, response);
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}
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}
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}
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