[1002] PHP入門班
<?php
//引入共同檔
require_once "header.php";
//變數初始化
$op=isset($_REQUEST['op'])?$_REQUEST['op']:"";
$class_sn=isset($_REQUEST['class_sn'])?intval($_REQUEST['class_sn']):"";
//流程控制
if($op=="delete"){
//若op是刪除班級，則呼叫刪除班級函數
delet_class($class_sn);
}elseif($op=="edit"){
$main=class_form($class_sn);
}elseif($op=="update"){
update_class($class_sn);
}elseif($op=="insert"){
insert_class();
}else{
//否則執行列出班級函數
$main=list_class();
}
//套用樣板
theme("theme.html");
/*************** 功能函數區 **************/
//刪除班級
function delet_class($class_sn=null){
//設定SQL語法
$sql="delete from `tncomu_class` where class_sn='{$class_sn}'";
//執行SQL語法
mysql_query($sql) or die("無法執行：".mysql_error());
//執行完轉向
header("location: index.php");
}
//列出所有班級
function list_class(){
//設定SQL語法
$sql="select * from `tncomu_class` order by seme desc, subject";
//執行SQL語法
$result = mysql_query($sql) or die("無法執行：".mysql_error());
$main="
<script>
function delete_func(sn){
var sure = window.confirm('確定要刪除此資料？');
if (!sure) return;
location.href='index.php?op=delete&class_sn=' + sn;
}
</script>
<table border=1>";
while($data=mysql_fetch_assoc($result)){
$main.="
<tr>
<td>{$data['class_sn']}</td>
<td>{$data['seme']}</td>
<td>{$data['subject']}</td>
<td>{$data['class_name']}</td>
<td>{$data['teacher']}</td>
<td>{$data['passwd']}</td>
<td>{$data['access']}</td>
<td><a href='javascript:delete_func({$data['class_sn']})'>刪除</a> | <a href='index.php?class_sn={$data['class_sn']}&op=edit'>編輯</a></td>
</tr>";
}
$main.="</table>";
return $main;
}
//建立班級的表單
function class_form($class_sn=""){
$next_op="insert";
//初始值設定
$data['seme'] = $data['class_name'] = $data['teacher'] = $data['passwd'] = $opt1 = $opt2 = $opt3 = $opt4 = $opt5 = $opt6 = $opt7 = $opt8 = $radio1 = $radio0 = "";
if($class_sn){
//設定SQL語法
$sql="select * from `tncomu_class` where class_sn='{$class_sn}'";
//執行SQL語法
$result=mysql_query($sql) or die("無法執行：".mysql_error());
//擷取資料回來存到 $data
$data=mysql_fetch_assoc($result);
//還原下拉選單預設值
$opt1=($data['subject']=="語言與文化")?"selected":"";
$opt2=($data['subject']=="生命與健康")?"selected":"";
$opt3=($data['subject']=="社會與生活")?"selected":"";
$opt4=($data['subject']=="自然與環境")?"selected":"";
$opt5=($data['subject']=="美學與藝術")?"selected":"";
$opt6=($data['subject']=="資訊與傳播")?"selected":"";
$opt7=($data['subject']=="台江分校")?"selected":"";
$opt8=($data['subject']=="台江大廟興學")?"selected":"";
$radio1=($data['access']=="1")?"checked":"";
$radio0=($data['access']=="0")?"checked":"";
$next_op="update";
}
$main="
<form action='index.php' method='post'>
學年學期：<input type='text' name='seme' size='4' value='{$data['seme']}'><br>
所屬學程：<select name='subject' size=1>
<option value='語言與文化' $opt1>語言與文化</option>
<option value='生命與健康' $opt2>生命與健康</option>
<option value='社會與生活' $opt3>社會與生活</option>
<option value='自然與環境' $opt4>自然與環境</option>
<option value='美學與藝術' $opt5>美學與藝術</option>
<option value='資訊與傳播' $opt6>資訊與傳播</option>
<option value='台江分校' $opt7>台江分校</option>
<option value='台江大廟興學' $opt8>台江大廟興學</option>
</select>
<br>
班級名稱：<input type='text' name='class_name' size='30' value='{$data['class_name']}'><br>
講師名稱：<input type='text' name='teacher' size='10' value='{$data['teacher']}'><br>
管理密碼：<input type='text' name='passwd' size='10' value='{$data['passwd']}'><br>
是否開放：
<input type='radio' name='access' value='1' id='show' $radio1><label for='show'>開放</label>
<input type='radio' name='access' value='0' id='hide' $radio0><label for='hide'>隱藏</label>
<br>
<input type='hidden' name='op' value='{$next_op}'>
<input type='hidden' name='class_sn' value='{$class_sn}'>
<input type='submit' value='儲存'>
</form>";
return $main;
}
function insert_class(){
//SQL新增語法
$sql="insert into tncomu_class (`seme`, `subject`, `class_name`, `teacher`, `passwd`, `access`) values('{$_POST['seme']}' , '{$_POST['subject']}' , '{$_POST['class_name']}' , '{$_POST['teacher']}' , '{$_POST['passwd']}' , '{$_POST['access']}')";
//執行SQL語法
mysql_query($sql) or die("無法執行：".mysql_error());
//執行完轉向
header("location: index.php");
}
function update_class($class_sn=""){
//SQL更新語法
$sql="update tncomu_class set `seme`='{$_POST['seme']}', `subject`='{$_POST['subject']}', `class_name`='{$_POST['class_name']}', `teacher`='{$_POST['teacher']}', `passwd`='{$_POST['passwd']}', `access`='{$_POST['access']}' where class_sn='$class_sn'";
//執行SQL語法
mysql_query($sql) or die("無法執行：".mysql_error());
//執行完轉向
header("location: index.php");
}
?>