Tad 教材網 - 線上書籍

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\[1002\] 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
switch($op){

case "login":
  admin_login($_POST['id'], $_POST['pass']);
  header("location:class.php");
  break;
  
  case "logout":
  $_SESSION['isAdmin']=null;
  header("location:class.php");
  break;

//若op是刪除班級，則呼叫刪除班級函數
  case "delete":
  delet_class($class_sn);
  break;
  
  case "edit":
  $main=class_form($class_sn);
  break;

case "update":
  update_class($class_sn);
  break;
  
  case "insert":
  insert_class();
  break;

default:
  //否則執行列出班級函數
  $main=list_class();
  break;
}

if(!$_SESSION['isAdmin']){
  $main=login_form();
}

//套用樣板
theme("theme.html");

/*************** 功能函數區 **************/

//進行認證
function admin_login($id='',$pass=''){
  require_once "config.php";
  if(empty($id) or empty($pass))return;
  
  if($adminArr[$id]==$pass){
    $_SESSION['isAdmin']=true;
  }
}

//登入表單
function login_form(){
  $main="
  <form action='{$_SERVER['PHP_SELF']}' method='post'>
  帳號：<input type='text' name='id'>
  密碼：<input type='password' name='pass'>
  <input type='hidden' name='op' value='login'>
  <input type='submit' value='登入'>
  </form>";
  return $main;
}

//建立班級資料的表單
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";
  }
  
  $seme=empty($data['seme'])?get_seme():$data['seme'];

$main="
  <form action='{$_SERVER['PHP_SELF']}' method='post'>
  學年學期：<input type='text' name='seme' size='4' value='{$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;
}

//新增班級資料
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: {$_SERVER['PHP_SELF']}");
}

//更新班級資料
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: {$_SERVER['PHP_SELF']}");
}

//列出所有班級資料
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());

$main="
  <script>
  function delete_func(sn){
   var sure = window.confirm('確定要刪除此資料？');
   if (!sure)	return;
   location.href='{$_SERVER['PHP_SELF']}?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({$data['class_sn']})'>刪除</a> | <a href='{$_SERVER['PHP_SELF']}?class_sn={$data['class_sn']}&op=edit'>編輯</a></td>
    </tr>";
  }

$main.="</table>";

return $main;
}

//刪除班級資料
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: {$_SERVER['PHP_SELF']}");
}
?>
```

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