การเข ยนโปรแกรมต ดต_อฐานข_อม_ล

1
.JSP
Eclipse
1. Eclipse
2. AppServ 2.5.10 Java
eclipse MySQL
- AppServ 2.5.10
Appserv

2
Next >
License Agreement AppServ 2.5.10
I Agree

3
Next >
Select Components
Next >
HTTPServer

4
ServerName : localhost
Email: E-mail
Port: 80
Next >
MySQL

5
Install
Windows Security Alert Allow
access

7
browser localhost
3. Navicat
MySQL localhost
http://www.navicat.com/download/d
ownload.html

8
Next
I accept the agreement Next
(

11
Finish Navicat
4. Java Eclipse
(MySQL)
4.1 project 1project project
BookMark
4.2 package 2package Package
comment Package controller
- Package comment java class class
connect
package comment;

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importjava.sql.DriverManager;
importjava.sql.SQLException;
importjava.sql.Statement;
importjava.sql.Connection;
importjava.util.logging.Level;
importjava.util.logging.Logger;
public class connect {
public Connection conn =null;
public Statement stmt = null;
public Statement getStatement(){
returnstmt;}
public void createConnection() throws
SQLException{
try{
Class.forName("com.mysql.jdbc.Driver");

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conn =
DriverManager.getConnection("jdbc:mysql://localhost/b
ook","root","admin");
stmt= conn.createStatement();
System.out.println("Connect success.");
}catch(ClassNotFoundException ex) {
Logger.getLogger(connect.class.getName()).l
og(Level.SEVERE, null, ex);
System.out.println("Connect Fail.");
}
}
public void closeConnection(){
try{
conn.close();
}catch(SQLException ex){
Logger.getLogger(connect.class.getName()).l

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og(Level.SEVERE, null, ex);
} }
}
- package controller servlet
loginservlet import classconnect
loginservlet
packagecom.controller;
importjava.io.IOException;
importjava.sql.SQLException;
importjavax.servlet.ServletException;
importjavax.servlet.annotation.WebServlet;
importjavax.servlet.http.HttpServlet;
importjavax.servlet.http.HttpServletRequest;
importjavax.servlet.http.HttpServletResponse;
importcomment.connect;
Servlet implementation class LoginServlet

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@WebServlet("/LoginServlet")
public class LoginServlet extends HttpServlet {
private static final long serialVersionUID = L;
Default constructor.
publicLoginServlet() {
TODO Auto-generated constructor stub
} @see HttpServlet#doGet(HttpServletRequest
request, HttpServletResponse response)
protected void doGet(HttpServletRequest request,
HttpServletResponse response) throws
ServletException, IOException {
TODO Auto-generated method stub
} @see
HttpServlet#doPost(HttpServletRequest request,
HttpServletResponse response)
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws

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ServletException, IOException {
TODO Auto-generated method stub
String username = request.getParameter("id");
String password =
request.getParameter("password");
System.out.println("username="+username);
System.out.println("password="+password);
connectdb = new connect();
try {
db.createConnection();
} catch (SQLException e) {
TODO Auto-generated catch block
e.printStackTrace();
} }
}

17
4.3) Java.jsp
<%@ page language="java" contentType="text/html;
charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01
Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html;
charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>      
</h1>

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<center>
<form action="LoginServlet" method="post"
onsubmit="return check()">
<table>
<tr>
<td align="right">User</td>
<td><input type="text" name="id" ><br></td>
</tr>
<tr>
<td align="right">Password</td>
<td><input type="password" name="password"
><br></td>
</tr>
<tr>
<td align="center" colspan="2">

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<input type="submit" name="ok" value=" >
<br></td>
<!--
<tr>
<td align="right"> </td>
<td><input type="text" name="Firstname"
id="Firstname"><br></td>
</tr>
<tr>
<td><input type="text" name="lastname"
id="lastname"><br></td>
</tr>
<tr>

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<td><input type="radio" checked="checked"
name="sex" value=" > <input type="radio"
name="sex" value=" > <br></td>
</tr>
<tr>
<td>
<input type="checkbox" name="cartoon"
value=" >
value=" >
value=" >
value=" >
<br></td></tr>

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<tr>
<td align="right" > </td>
<td><textarea name="Address"
id="Address"></textarea><br></td>
</tr>
<tr>
<td><select name="Province">
<option
value=" > </option>
<option value=" > </option>

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</select><br></td>
</tr>
<tr>
<td><input type="text" name="number"
id="number"><br></td>
</tr>
<tr>
<td><input type="text" name="email"
id="email"><br></td>
</tr>
<tr>
<td><input type="file" id="image"><br></td>

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</tr>
<tr>
<td align="center" colspan="2">
<input type="submit" name="ok" value=" >
<input type="reset"name="delete" value=" >
<br></td>
</tr> </table>
</form></center>
</body></html>
5. MySQL Navicat
1.

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Navicat Connection
Connection
Connection Name: Connection
Host name/IP address: localhost
Port:
User name: User name MySQL
root
Password: MySQL
Test Connection
Conection Successfully
OK
2.

25
connection
MySQL connection
New Database
Create New Database
Enter database name:
Character set: utf8–UTF-8
Unicode

26
Collation: Collation utf8_general_ci
OK
Navicat
1. Navicat
Tables => New
Table

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การเข ยนโปรแกรมต ดต_อฐานข_อม_ล