PHP入門講義
<?php
//連線資料庫
link_db("localhost" , "root" , "12345" , "tad");
//針對 op 變數進行整理
$op = isset($_REQUEST['op'])?$_REQUEST['op']:"";
$sn = isset($_REQUEST['sn'])?intval($_REQUEST['sn']):""; //intval() 強制轉成數字
//流程控制
switch($op){
//儲存榮譽榜資料
case "insert":
insert();
header("location:index.php");
break;
//發布表單
case "post_form":
$main = post_form($sn);
break;
//刪除
case "delete":
delete($sn);
header("location:index.php");
break;
//更新榮譽榜資料
case "update":
update($sn);
header("location:index.php");
break;
//列出所有榮譽榜
default:
$main = list_all();
break;
}
?>
<!DOCTYPE html>
<html>
<head>
<title>榮譽榜發布</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="content-type" content="text/html; charset=utf-8">
<!-- Bootstrap -->
<link href="css/bootstrap.min.css" rel="stylesheet" media="screen">
</head>
<body>
<div class="row-fluid">
<div class="span3"></div>
<div class="span6">
<?php echo $main;?>
</div>
<div class="span3"></div>
</div>
<script src="http://code.jquery.com/jquery.js"></script>
<script src="js/bootstrap.min.js"></script>
</body>
</html>
<?php
//連線資料庫
function link_db($location="localhost" , $id="" ,$passwd="" , $db=""){
$link = mysql_connect($location , $id , $passwd);
if($link){
mysql_query("SET NAMES 'utf8'");
mysql_select_db($db);
return $link;
}else{
die("連線失敗！");
}
}
//新增到資料庫
function insert(){
$award_winner = addslashes($_POST['award_winner']);
$award_date = addslashes($_POST['award_date']);
$award_kind = addslashes($_POST['award_kind']);
$award_content = addslashes($_POST['award_content']);
$award_enable = addslashes($_POST['award_enable']);
$sql = "INSERT INTO `honor`(`award_winner`, `award_date`, `award_kind`, `award_content`, `award_enable`, `post_date`) VALUES ('{$award_winner}' , '{$award_date}' , '{$award_kind}' , '{$award_content}' , '{$award_enable}' , now())";
mysql_query($sql) or die(mysql_error());
}
//更新到資料庫
function update($sn=""){
$award_winner = addslashes($_POST['award_winner']);
$award_date = addslashes($_POST['award_date']);
$award_kind = addslashes($_POST['award_kind']);
$award_content = addslashes($_POST['award_content']);
$award_enable = addslashes($_POST['award_enable']);
$sql = "UPDATE `honor` SET
`award_winner` = '{$award_winner}',
`award_date` = '{$award_date}',
`award_kind` = '{$award_kind}',
`award_content` = '{$award_content}',
`award_enable` = '{$award_enable}',
`post_date`= now()
WHERE `sn`= '{$sn}'";
mysql_query($sql) or die(mysql_error());
}
//列出所有內容
function list_all(){
$sql = "SELECT * FROM `honor` where `award_enable` = '1' order by `award_date` desc ";
$result = mysql_query($sql) or die(mysql_error());
$table_content = "";
while($data = mysql_fetch_assoc($result)){
//將換行轉為<br>
$award_content=nl2br($data['award_content']);
$table_content .= "
<tr>
<td>{$data['award_winner']}</td>
<td>{$data['award_date']}</td>
<td>{$award_content}</td>
<td nowrap>
<a href='index.php?op=delete&sn={$data['sn']}' class='btn btn-danger btn-mini'>刪除</a>
<a href='index.php?op=post_form&sn={$data['sn']}' class='btn btn-warning btn-mini'>修改</a>
</td>
</tr>
";
}
$main="
<h1>
<img src='img/gold.png'>榮譽榜
<a href='index.php?op=post_form' class='btn btn-info'>發布</a>
</h1>
<table class='table table-striped table-bordered'>
<tr>
<th>獲獎者</th>
<th>得獎日期</th>
<th>事由</th>
<th nowrap>功能</th>
</tr>
$table_content
</table>
";
return $main;
}
//發布表單
function post_form($sn=""){
$sql = "SELECT * FROM `honor` where `sn` = '{$sn}'";
$result = mysql_query($sql) or die(mysql_error());
$data = mysql_fetch_assoc($result);
$date=empty($sn)?date("Y-m-d"):$data['award_date'];
//還原下拉選單預設值
$selected_0 = ($data['award_kind']== "校內") ? "selected" : "";
$selected_1 = ($data['award_kind']== "校外") ? "selected" : "";
//還原單選鈕預設值
$award_enable0 = ($data['award_enable']!= "1") ? "checked" : "";
$award_enable1 = ($data['award_enable']== "1") ? "checked" : "";
$op = empty($sn)? "insert" : "update";
$form="
<h1 class='text-center'>榮譽榜發布</h1>
<form action='index.php' method='post' class='form-horizontal'>
<div class='well'>
<div class='control-group'>
<label class='control-label' for='award_winner'>得獎者名稱：</label>
<div class='controls'>
<input type='text' id='award_winner' name='award_winner' value='{$data['award_winner']}' class='span12' placeholder='請輸入得獎者名稱'>
</div>
</div>
<div class='control-group'>
<label class='control-label' for='award_date'>得獎日期：</label>
<div class='controls'>
<input type='text' id='award_date' name='award_date' value='{$date}' class='span12' placeholder='得獎日期格式：2013-07-09'>
</div>
</div>
<div class='control-group'>
<label class='control-label' for='award_kind'>類別：</label>
<div class='controls'>
<select name='award_kind' id='award_kind' class='span12'>
<option value='校內' $selected_0>校內</option>
<option value='校外' $selected_1>校外</option>
</select>
</div>
</div>
<div class='control-group'>
<label class='control-label' for='award_content'>得獎事由：</label>
<div class='controls'>
<textarea name='award_content' id='award_content' rows='4' class='span12'>{$data['award_content']}</textarea>
</div>
</div>
<div class='control-group'>
<label class='control-label' for='award_enable'>是否發布：</label>
<div class='controls'>
<label class='radio'>
<input type='radio' name='award_enable' id='award_enable1' value='1' {$award_enable1}>是，立即發布
</label>
<label class='radio'>
<input type='radio' name='award_enable' id='award_enable0' value='0' {$award_enable0}>否，暫時隱藏
</label>
<input type='hidden' name='op' value='{$op}'>
<input type='hidden' name='sn' value='{$sn}'>
<a href='index.php' class='btn'>回上頁</a>
<input type='submit' value='送出' class='btn btn-primary'>
</div>
</div>
</div>
</form>
";
return $form;
}
//刪除
function delete($sn=""){
$sql = "DELETE FROM `honor` WHERE `sn` = '{$sn}'";
mysql_query($sql) or die(mysql_error());
}
?>