PHP封装的一个支持HTML、JS、PHP重定向的多功能跳转函数

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PHP封装的一个支持HTML、JS、PHP重定向的多功能跳转函数_php实例

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Jun 07, 2016 pm 05:18 PM

php

PHP 跳转，即重定向浏览器到指定的 URL，是一个很常见的功能。这种功能也有一些细节性的要求，比如等待多少秒以后跳转，用不用JavaScript实现跳转，等等。下面的跳转方法考虑到很多，并参数化，可以用到具体的项目当中。

<&#63;php   
/**   
 * 重定向浏览器到指定的 URL   
 *   
 * @param string $url 要重定向的 url   
 * @param int $delay 等待多少秒以后跳转   
 * @param bool $js 指示是否返回用于跳转的 JavaScript 代码   
 * @param bool $jsWrapped 指示返回 JavaScript 代码时是否使用 <mce:script type="text/javascript"><!-- 
 标签进行包装   
 * @param bool $return 指示是否返回生成的 JavaScript 代码   
 */    
function redirect($url, $delay = 0, $js = false, $jsWrapped = true, $return = false)     
{     
  $delay = (int)$delay;     
  if (!$js) {     
    if (headers_sent() || $delay > 0) {     
      echo <<<EOT     
  <html>     
  <head>     
  <meta http-equiv="refresh" content="{$delay};URL={$url}" />     
  </head>     
  </html>     
EOT;     
      exit;     
    } else {     
      header("Location: {$url}");     
      exit;     
    }     
  }     
    
  $out = '';     
  if ($jsWrapped) {     
    $out .= '<script language="JavaScript" type="text/javascript">';     
  }     
  $url = rawurlencode($url);     
  if ($delay > 0) {     
    $out .= "window.setTimeOut(function () { document.location='{$url}'; }, {$delay});";     
  } else {     
    $out .= "document.location='{$url}';";     
  }     
  if ($jsWrapped) {     
    $out .= ' 
// --></mce:script>';     
  }     
    
  if ($return) {     
    return $out;     
  }     
    
  echo $out;     
  exit;     
}    
&#63;>

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