|
 |
|
ช่วยผมที่เกี่ยวกับการเขียน code link php กับ ฐานข้อมูล mysql |
|
 |
|
|
 |
 |
|
ฐานข้อมูล mysql = "test" มีอยู่ 3 Table
Table "student"

Table "subjects"

Table "grade"

และCode PHP ที่เขียนไว้ 3 file
index1.php
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-874" />
<title>รายชื่อนักเรียน</title>
<style type="text/css">
<!--
.style1 {color: #0099FF; font-weight: bold; font-size: 20px; }
.style2 {font-size: 20; color: #0000FF; font-weight: bold; }
.style6 {font-size: 20px; color: #0000FF; }
.style7 {color: #FFFFFF}
-->
</style>
</head>
<body>
<table width="73%" height="297" border="0" align="center" cellpadding="1" cellspacing="0">
<tr>
<td height="32"><div align="center" class="style1">รายชื่อนักเรียน</div></td>
</tr>
<tr>
<td height="204"><div align="center">
<table width="72%" height="128" border="0" align="center" cellpadding="0" cellspacing="2">
<tr>
<td width="20%" bgcolor="#0000FF" class="style2"><div align="center" class="style7">เลขที่</div></td>
<td width="80%" bgcolor="#0000FF" class="style2"><div align="center" class="style7">ชื่อ - นามสกุล</div></td>
</tr>
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$sqltxt = "SELECT * FROM student";
$result = mysql_query ( $sqltxt, $conn );
while ( $rs = mysql_fetch_array ( $result ) )
{
?>
<tr>
<td height="42" bgcolor="#CCFFFF"><div align="center" class="style6"><?php echo $rs ["id"] ?></div></td>
<td height="42" bgcolor="#CCFFFF"><div align="center" class="style6"><a href='index2.php'><?php echo $rs ["Name"] ?></a></div></td>
</tr>
<?php
}
mysql_close ( $conn );
?>
</table>
</table>
</body>
</html>
----------------------------------------------------------------------------------------------
index2.php
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-874" />
<title>รายชื่อวิชา</title>
<style type="text/css">
<!--
.style1 {color: #0099FF; font-weight: bold; font-size: 20px; }
.style6 {color: #0000FF; font-size: 20px; }
.style7 {font-size: 20; color: #FFFFFF; font-weight: bold; }
-->
</style>
</head>
<body>
<table width="73%" height="302" border="0" align="center" cellpadding="1" cellspacing="0">
<tr>
<td height="50"><div align="center" class="style1">รายชื่อวิชา</div></td>
</tr>
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$sqltxt = "SELECT * FROM student";
$result = mysql_query ( $sqltxt, $conn );
while ( $rs = mysql_fetch_array ( $result ) )
{
?>
<tr>
<td height="38"><div align="center" class="style1"><?php echo $rs ["Name"] ?></div></td>
</tr>
<?php
}
?>
<tr>
<td height="188"><div align="center">
<table width="72%" height="134" border="0" align="center" cellpadding="0" cellspacing="2">
<tr>
<td width="68%" bgcolor="#0000FF"><div align="center" class="style7">ชื่อวิชา</div></td>
<td width="32%" bgcolor="#0000FF"><div align="center" class="style7">คะแนน</div></td>
</tr>
<?php
$sqlst = "SELECT * FROM subjects";
$rest = mysql_query ( $sqlst, $conn );
while ( $rsst = mysql_fetch_array ( $rest ) )
{
?>
<tr>
<td height="52" bgcolor="#CCFFFF"><div align="center" class="style6"><a href='index3.php'><?php echo $rsst ["Subjects"] ?></a></div></td>
<td bgcolor="#CCFFFF"><div align="center" class="style6"><?php echo $rsst ["Score"] ?></div></td>
</tr>
<?php
}
mysql_close ( $conn );
?>
</table>
</div></td>
</tr>
<tr>
<td><div align="center">
<input type="button" name="ย้อนกลับ" value="ย้อนกลับ" onclick="history.back()" />
</div></td>
</tr>
</table>
</body>
</html>
----------------------------------------------------------------------------------------------
index3.php
<head>
<meta http-equiv="Content-Type" content="text/html; charset=windows-874" />
<title>เกรด</title>
<style type="text/css">
<!--
.style1 {color: #0099FF; font-weight: bold; font-size: 20px; }
.style2 {font-size: 40; color: #0000FF; font-weight: bold; }
-->
</style>
</head>
<body>
<table width="73%" height="297" border="0" align="center" cellpadding="1" cellspacing="0">
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$sqltxt = "SELECT * FROM subjects";
$result = mysql_query ( $sqltxt, $conn );
while ( $rs = mysql_fetch_array ( $result ) )
{
?>
<tr>
<td height="32"><div align="center" class="style1">เกรดวิชา <?php echo $rs["Subjects"] ?></div></td>
</tr>
<?php
}
?>
<?php
$sqlgr = "SELECT * FROM grade";
$resgr = mysql_query ( $sqlgr, $conn );
while ( $gr = mysql_fetch_array ( $resgr ) )
{
?>
<tr>
<td height="204"><div align="center" class="style2"><?php echo $gr["Grade"] ?></div></td>
</tr>
<?php
}
mysql_close ( $conn );
?>
</table>
</body>
</html>
โดยที่ผมอยากให้ หน้าเว็ปของผมได้แสดงผลออกมาเป็นอย่าง 2 ภาพนี้


ผมจะต้องแก้ไข Code PHP หรือ ฐานข้อมูลอย่างไรบ้างครับ
Tag : PHP, MySQL

|
|
 |
 |
 |
 |
Date :
2013-02-26 15:33:05 |
By :
KT-Raven |
View :
914 |
Reply :
2 |
|
 |
 |
 |
 |
|
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
index1.phpCode (PHP)
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$sqltxt = "SELECT * FROM student";
$result = mysql_query ( $sqltxt, $conn );
while ( $rs = mysql_fetch_array ( $result ) )
{
?>
<tr>
<td height="42" bgcolor="#CCFFFF"><div align="center" class="style6"><?php echo $rs ["id"] ?></div></td>
<td height="42" bgcolor="#CCFFFF"><div align="center" class="style6"><a href='index2.php?Name=<?=$rs['Name'];?>'><?php echo $rs ["Name"] ?></a></div></td> /// คุณต้องส่ง ค่า Get student_name ในหน้าที่ต้องการ
</tr>
<?php
}
mysql_close ( $conn );
?>
index2.php
Code (PHP)
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$Name=$_GET['Name']; // รับค่าgetที่ส่งมาจาก index1.php
$sqltxt = "SELECT * FROM student name='".$name."'"; // select ข้อมูลแต่ละบุคคล
$result = mysql_query ( $sqltxt, $conn );
while ( $rs = mysql_fetch_array ( $result ) )
{
?>
<tr>
<td height="38"><div align="center" class="style1"><?php echo $rs ["Name"] ?></div></td>
</tr>
<?php
}
?>
<tr>
<td height="188"><div align="center">
<table width="72%" height="134" border="0" align="center" cellpadding="0" cellspacing="2">
<tr>
<td width="68%" bgcolor="#0000FF"><div align="center" class="style7">ชื่อวิชา</div></td>
<td width="32%" bgcolor="#0000FF"><div align="center" class="style7">คะแนน</div></td>
</tr>
<?php
$sqlst = "SELECT * FROM subjects WHERE name='".$Name."'"; // ค้นหาชื่อข้อมูลเฉพาะบุคคล พร้อม select รายวิชา
$rest = mysql_query ( $sqlst, $conn );
while ( $rsst = mysql_fetch_array ( $rest ) )
{
?>
<tr>
<td height="52" bgcolor="#CCFFFF"><div align="center" class="style6"><a href='index3.php'><?php echo $rsst ["Subjects"] ?></a></div></td>
<td bgcolor="#CCFFFF"><div align="center" class="style6"><a href="index3.php?Subject=<?php echo $rsst ["Subject"] ?>&Score=<?php echo $rsst ["Score"] ?>"><?php echo $rsst ["Score"] ?></a></div></td> // ส่งค่า score ไปตามget เพื่อ select ตามscore
</tr>
<?php
}
mysql_close ( $conn );
?>
index3.php
Code (PHP)
<?php
$hostname = "localhost";
$username = "root";
$password = "";
$dbname = "Test";
$conn = mysql_connect( $hostname, $username, $password );
if ( ! $conn )
die ( "ไม่สามารถติดต่อกับ MySQL ได้" );
mysql_select_db ( $dbname, $conn )
or die ( "ไม่สามารถเลือกฐานข้อมูลได้" );
mysql_query("SET NAMES tis620");
$Subject=$_GET['Subject']; // รับค่า get subject
$Score=$_GET['Score']; // รับค่า score;
?>
<tr>
<td height="32"><div align="center" class="style1">เกรดวิชา <?php echo $Subject; ?></div></td>
</tr>
<?php
$sqlgr = "SELECT * FROM grade WHERE Score='".$Score."'";
$resgr = mysql_query ( $sqlgr, $conn );
while ( $gr = mysql_fetch_array ( $resgr ) )
{
?>
<tr>
<td height="204"><div align="center" class="style2"><?php echo $gr["Grade"] ?></div></td>
</tr>
<?php
}
mysql_close ( $conn );
?>
แต่เพื่อความชัว คุณจำเป็นต้องสร้าง id โดยกำหนดเป็น auto primary key ของแต่ละ table ใน database focus ค่าให้ถูกต้องมากยิ่งขึ้น ลอง apply ดูครับ
|
ประวัติการแก้ไข 2013-02-26 17:55:36 2013-02-26 17:56:16 2013-02-26 18:01:10
 |
 |
 |
 |
Date :
2013-02-26 17:53:20 |
By :
Ex-[S]i[L]e[N]t |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
 |
|
|
 |
 |
|
ที่ต้องสร้าง id โดยกำหนดเป็น auto primary key ของแต่ละ table ใน database focus ค่าให้ถูกต้องมากยิ่งขึ้น ??? มันอย่างไงครับยังไม่เข้าใจครับ
|
 |
 |
 |
 |
Date :
2013-02-28 13:55:35 |
By :
KT-Raven |
|
 |
 |
 |
 |
|
|
 |
 |
|
 |
 |
|
|
|

|
Load balance : Server 04
|