Tad 教材網 - 線上書籍

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\[1032\]PHP入門
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```
<pre class="brush:php;highlight:[83];">
<?php

/*----引入檔案----*/
  require_once "config.php";
  require_once "function.php";

/*----整理傳進來的變數或變數初始值----*/
  $op=isset($_REQUEST['op'])?$_REQUEST['op']:"";
  $sn=isset($_REQUEST['sn'])?intval($_REQUEST['sn']):"";
  $toolbar='<a href="post.php" class="btn btn-primary btn-block">發布新聞</a>';

/*----流程控制----*/
  switch ($op) {
    case 'view':
      //列出單一內容
      $news_list=view($sn);
      $toolbar.="<a href='{$_SERVER['PHP_SELF']}' class='btn btn-success btn-block'>回新聞列表</a>";
      break;

case 'delete':
      //刪除單一內容
      delete($sn);
      header("location: {$_SERVER['PHP_SELF']}");
      break;

default:
      //列出所有內容
      $news_list=list_news();
      break;
  }

/*----輸出----*/
  show_page('list_tpl');

/*----所有函數----*/

//列出所有內容
  function list_news(){

link_db();

//讀取eznews資料表所有欄位(日期大到小排列)
    $sql="select * from eznews order by post_time desc";

//傳回值存到 $result 以供抓取資料用
    $result=mysql_query($sql) or die("{$sql}<br>".mysql_error());

$news_list="
    <script>
    function del_func(sn){
     var sure = window.confirm('確定要刪除此資料？');
     if (!sure) return;
     location.href='index.php?op=delete&sn=' + sn;
    }
    </script>

<h1>列出所有新聞</h1>
    <table class='table table-striped table-bordered'>
    <tr>
      <th class='col-md-7 text-center'>新聞標題</th>
      <th class='col-md-3 text-center'>發布時間</th>
      <th class='col-md-2 text-center'>功能</th>
    </tr>

";
    //取回資料庫一筆資料，並以欄位名稱為索引的資料陣列
    while($news=mysql_fetch_assoc($result)){

$title=empty($news['news_title'])?"無標題":$news['news_title'];

$news_list.="
      <tr>
        <td>
          <a href='{$_SERVER['PHP_SELF']}?op=view&sn={$news['sn']}'>{$title}</a>
        </td>
        <td class='text-center'>{$news['post_time']}</td>
        <td class='text-center'>
          <a href='javascript:del_func({$news['sn']})' class='btn btn-xs btn-danger'>刪除</a>
          <a href='post.php?op=modify&sn={$news['sn']}' class='btn btn-xs btn-warning'>編輯</a>
        </td>
      </tr>
      ";
      //$news_list=$news_list."<li>{$news['news_title']}</li>";
    }
    $news_list.="</table>";

return $news_list;
  }

//顯示單一頁面
  function view($sn=""){
    link_db();

//讀取eznews資料表所有欄位，並指定某一筆特定資料
    $sql="select * from eznews where sn='$sn'";

//傳回值存到 $result 以供抓取資料用
    $result=mysql_query($sql) or die("{$sql}<br>".mysql_error());
    $news=mysql_fetch_assoc($result);

$news_content=nl2br($news['news_content']);

$one_news="<h1>{$news['news_title']}</h1>
    <div class='well'>
      {$news_content}
    </div>";

return $one_news;
  }

//刪除單一頁面
  function delete($sn=""){
    link_db();

//刪除指定某一筆特定資料
    $sql="delete from eznews where sn='$sn'";

mysql_query($sql) or die("{$sql}<br>".mysql_error());

}
?>
```

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