#7 实验6

jweb/src/com/HotelDAO/HotelDAO.java

@@ -0,0 +1,8 @@
+package com.HotelDAO;
+import javaBean.Customer;
+public interface HotelDAO {
+	public abstract int create(Customer cus)throws Exception;
+	public abstract void remove(Customer cus)throws Exception;
+	public abstract Customer find(Customer cus)throws Exception;
+
+}

jweb/src/com/HotelDAO/HotelsDAO.java

@@ -0,0 +1,74 @@
+package com.HotelDAO;
+import java.sql.*;
+import javaBean.db.*;
+import javaBean.Customer;
+public class HotelsDAO implements HotelDAO{
+	protected static final String FIELDS_INSERT="id,name,room,bill";
+	protected static String INSERT_SQL="insert into cus_info("
+			+FIELDS_INSERT+")"+"values(?,?,?,?)";
+	protected static String DELETE_SQL="delete from cus_info where id=?";
+	protected static String SELECT_SQL="select"
+			+FIELDS_INSERT+"frome cus_info where id=?";
+//ʵ�������ݿ������Ӽ�¼
+	public int create(Customer cus)throws Exception{
+		Connection con=null;
+		PreparedStatement prepStmt=null;
+		ResultSet rs=null;
+		int n=0;
+		try{
+			con=DbConnect.getDBconnection();
+			prepStmt=con.prepareStatement(INSERT_SQL);
+			prepStmt.setDouble(1,cus.getId());
+			prepStmt.setString(2, cus.getName());
+			prepStmt.setInt(3,cus.getRoom());
+			prepStmt.setFloat(4, 0);
+			n=prepStmt.executeUpdate();
+			System.out.print(cus.getName());
+		}catch(Exception e){
+			DbConnect.closeDB(con,prepStmt,rs);
+		}
+		return n;
+	}
+
+//ʵ�ֲ�ѯ���ݿ��ж�ָ���ļ�¼�Ƿ����
+	public Customer find(Customer cus)throws Exception{
+		Connection con=null;
+		PreparedStatement prepStmt=null;
+		ResultSet rs=null;
+		Customer cus2=null;
+		try{
+			con=DbConnect.getDBconnection();
+			prepStmt=con.prepareStatement(INSERT_SQL);
+			prepStmt.setDouble(1, cus.getId());
+			rs=prepStmt.executeQuery();
+			if(rs.next()){
+				cus2=new Customer();
+				cus2.setId(rs.getInt(1));
+				cus2.setName(rs.getString(2));
+				cus2.setRoom(rs.getInt(3));
+				cus2.setBill(rs.getFloat(4));
+			}
+			}catch(Exception e){
+
+			}finally{
+				DbConnect.closeDB(con, prepStmt, rs);
+			}
+		return cus2;
+		}
+
+	public void remove(Customer cus)throws Exception{
+		Connection con=null;
+		PreparedStatement prepStmt=null;
+		ResultSet rs=null;
+		try{
+			con=DbConnect.getDBconnection();
+			prepStmt=con.prepareStatement(DELETE_SQL);
+				prepStmt.setDouble(1,cus.getId());
+				prepStmt.executeUpdate();
+		}catch(Exception e){
+
+		}finally{
+			DbConnect.closeDB(con,prepStmt,rs);
+		}
+		}
+}

jweb/src/javaBean/Customer.java

@@ -0,0 +1,33 @@
+package javaBean;
+
+public class Customer {
+	private double id;
+	private String name;
+	private int room;
+	private float bill;
+	public double getId() {
+		return id;
+	}
+	public void setId(double id) {
+		this.id = id;
+	}
+	public String getName() {
+		return name;
+	}
+	public void setName(String name) {
+		this.name = name;
+	}
+	public int getRoom() {
+		return room;
+	}
+	public void setRoom(int room) {
+		this.room = room;
+	}
+	public float getBill() {
+		return bill;
+	}
+	public void setBill(float bill) {
+		this.bill = bill;
+	}
+
+}

jweb/src/javaBean/Room.java

@@ -0,0 +1,26 @@
+package javaBean;
+
+public class Room {
+	private int number;
+	private String type;
+	private String zhuangtai;
+	public int getNumber() {
+		return number;
+	}
+	public void setNumber(int number) {
+		this.number = number;
+	}
+	public String getType() {
+		return type;
+	}
+	public void setType(String type) {
+		this.type = type;
+	}
+	public String getZhuangtai() {
+		return zhuangtai;
+	}
+	public void setZhuangtai(String zhuangtai) {
+		this.zhuangtai = zhuangtai;
+	} 
+
+}

jweb/src/javaBean/db/DbConnect.java

@@ -0,0 +1,32 @@
+package javaBean.db;
+import java.sql.*;
+public class DbConnect {
+	private static String driverName="com.mysql.jdbc.Driver";
+	private static String userName="root";
+	private static String userPwd="root";
+	private static String dbName="customer";
+	public static Connection getDBconnection(){
+		String url1="jdbc:mysql://localhost/"+dbName;
+		String url2="?user="+userName+"&password="+userPwd;
+		String url3="&useUnicode=true&characterEncoding=GB2312&useSSL=false";
+		String url=url1+url2+url3;
+		try{
+			Class.forName(driverName);
+			Connection con=DriverManager.getConnection(url);
+			return con;
+		}catch(Exception e){
+			e.printStackTrace();
+		}
+		return null;
+
+	}
+	public static void closeDB(Connection con,PreparedStatement pstm,ResultSet rs){
+		try{
+			if(rs!=null)rs.close();
+			if(pstm!=null)pstm.close();
+			if(con!=null)con.close();
+		}catch(SQLException e){
+			e.printStackTrace();
+		}
+	}
+}

jweb/src/servlet/Insert.java

@@ -0,0 +1,92 @@
+package servlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javaBean.Customer;
+import com.HotelDAO.*;
+import javaBean.db.*;
+
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class Insert extends HttpServlet {
+
+	/**
+	 * Constructor of the object.
+	 */
+	public Insert() {
+		super();
+	}
+
+	/**
+	 * Destruction of the servlet. <br>
+	 */
+	public void destroy() {
+		super.destroy(); // Just puts "destroy" string in log
+		// Put your code here
+	}
+
+	/**
+	 * 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 {
+
+		request.setCharacterEncoding("utf-8");
+		double id=Double.parseDouble(request.getParameter("id"));
+		String name=request.getParameter("name");
+		int room=Integer.parseInt(request.getParameter("room"));
+		Customer cus=new Customer();
+		int n=0;
+		cus.setId(id);
+		cus.setName(name);
+		cus.setRoom(room);
+		HotelsDAO run=new HotelsDAO();
+		try {
+			n=run.create(cus);
+		} catch (Exception e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+
+		if(n>=1)
+			request.getRequestDispatcher("success.jsp").forward(request, response);
+		else
+			request.getRequestDispatcher("error.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 {
+				doGet(request,response);
+			}
+
+	/**
+	 * Initialization of the servlet. <br>
+	 *
+	 * @throws ServletException if an error occurs
+	 */
+	public void init() throws ServletException {
+		// Put your code here
+	}
+
+}

jweb/src/servlet/Se1414080902137Servlet.java

@@ -0,0 +1,85 @@
+package servlet;
+
+import java.io.IOException;
+import java.io.PrintWriter;
+
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.http.HttpServlet;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+
+public class Se1414080902137Servlet extends HttpServlet {
+
+
+	/**
+	 * Constructor of the object.
+	 */
+	public Se1414080902137Servlet() {
+		super();
+	}
+
+	/**
+	 * Destruction of the servlet. <br>
+	 */
+	public void destroy() {
+		super.destroy(); // Just puts "destroy" string in log
+		// Put your code here
+	}
+
+	/**
+	 * 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 {
+
+		doPost(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");
+		String userName=request.getParameter("username");
+		String userPwd=request.getParameter("password");
+		String info="";
+		if(("abc").equals(userName)&&("123").equals(userPwd)){
+			info="��ӭ�㣬"+userName+"!";
+			request.setAttribute("a", userName);
+			request.setAttribute("outputMessage", info);
+			request.getRequestDispatcher("index.jsp").forward(request,response);
+		}else{
+			response.sendRedirect("index_title.jsp?error=yes");
+
+		}
+
+
+	}
+
+	/**
+	 * Initialization of the servlet. <br>
+	 *
+	 * @throws ServletException if an error occurs
+	 */
+	public void init() throws ServletException {
+		// Put your code here
+	}
+
+}

jweb/web/1414080902137/occupancy.jsp

@@ -23,10 +23,10 @@ String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.
   </head>
 
   <body>
-	<form action="tijiao.jsp" method="post">
-	身份证：<input type="text" name="idcard"><br>
+	<form action="Insert" method="post">
+	身份证：<input type="text" name="id"><br>
 	姓名：<input type="text" name="name"><br>
-	房间号：<input type="text" name="number"><br>
+	房间号：<input type="text" name="room"><br>
 	<input type="submit" value="确定">
 
 	</form>

jweb/web/1414080902137/tijiao.jsp

@@ -24,8 +24,9 @@ String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.
   </head>
 
   <body>
-   <c:out value="${param.idcard}" default="cuowu1"/>
-   <c:out value="${param.name}" default="cuowu2"/>
-   <c:out value="${param.number}"default="cuowu3"/>
+   	<div>确认信息</div>
+   	客户身份证：<%=request.getParameter("id") %>
+   	客户姓名：<%=request.getParameter("name") %>
+   	房间号：<%=request.getParameter("room") %>
   </body>
 </html>