<script type="text/javascript">
    $(function() {
        $('.show-article img').each(function(i){
            if (!this.parentNode.href) {
                $(this).wrap("<a href='"+this.src+"' target='_blank'></a>");
            }
        });
    });
</script>

/
   文档内容图片自动添加a链接新窗口打开图片
 
  @aess    public
  @param     strg $body 内容
  @return    strg
 /
function setBodyimg($body)
{
    $matches = array();
    preg_match_all('/<img[^>]src\s=\s([\'"]?)([^\'">])\1(.?)>/isu', $body, $matches);
    $img_array = $matches[0];
    $src_array = $matches[2];
    foreach ($img_array as $key => $value)
    {
        $body = str_replace($value, "<a href='{$src_array[$key]}' target='_blank'>".$value."</a>", $body);
    }
    return $body;
}

{dede:field.body