Tad 教材網 - 線上書籍

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1041 XOOPS模組開發
==============

```
<pre class="brush:php;highlight:[22];">
<?php

function xoops_module_update_tad_ebook(&$module, $old_version) {
    GLOBAL $xoopsDB;

mk_dir(XOOPS_ROOT_PATH.'/uploads/tad_ebook');
    mk_dir(XOOPS_ROOT_PATH.'/uploads/tad_ebook/file');
    mk_dir(XOOPS_ROOT_PATH.'/uploads/tad_ebook/image');
    mk_dir(XOOPS_ROOT_PATH.'/uploads/tad_ebook/flash');

if(chk_chk1()) go_update1();

return true;
}

//檢查某欄位是否存在
function chk_chk1(){
  global $xoopsDB;
  $sql="select count(`ebook_content`) from ".$xoopsDB->prefix("tad_ebook");
  $result=$xoopsDB->query($sql);
  if(empty($result)) return true;
  return false;
}

//執行更新
function go_update1(){
  global $xoopsDB;
  $sql="ALTER TABLE ".$xoopsDB->prefix("tad_ebook")." ADD `ebook_content` text NOT NULL COMMENT '內容介紹'";
  $xoopsDB->queryF($sql) or redirect_header(XOOPS_URL,3,  mysql_error());

return true;
}

//建立目錄
function mk_dir($dir=""){
    //若無目錄名稱秀出警告訊息
    if(empty($dir))return;
    //若目錄不存在的話建立目錄
    if (!is_dir($dir)) {
        umask(000);
        //若建立失敗秀出警告訊息
        mkdir($dir, 0777);
    }
}

//拷貝目錄
function full_copy( $source="", $target=""){
  if ( is_dir( $source ) ){
    @mkdir( $target );
    $d = dir( $source );
    while ( FALSE !== ( $entry = $d->read() ) ){
      if ( $entry == '.' || $entry == '..' ){
        continue;
      }

$Entry = $source . '/' . $entry;
      if ( is_dir( $Entry ) ) {
        full_copy( $Entry, $target . '/' . $entry );
        continue;
      }
      copy( $Entry, $target . '/' . $entry );
    }
    $d->close();
  }else{
    copy( $source, $target );
  }
}

?>
```

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