各位大佬请指教，下面这个小插件会给 wordpress 增加一个独立下载页面，但是在发文章时如果不填$url 这个值的话，其他比如$title,$size 之类信息即使我填了也不会在前台页面显示。

请问怎么才能取消这个条件判断？就是即使我只填写了 title 一项也会在前面显示出来。 谢了啊

我觉得这判断可能是在 front.class.php 这个文件里，虽然代码一共也没几条，不过我基本也看不懂代码。。。删删减减弄了很久也无效啊，不是导致页面无法访问就是无效。

插件地址： https://cn.wordpress.org/plugins/download-info-page/

front.class.php

<?php class DLIP_DownLoadFront{ public function __construct(){ $this->init(); } public function init(){ add_filter('the_content',array($this,'the_content')); add_action('wp_footer', array($this,'downStyle')); add_action('dlip_down_page',array($this,'down')); } function tourl(){ global $postId; if($postId){ $url = get_permalink($postId); }else{ $url = get_option('siteurl'); } wp_redirect($url); } public function down($data){ global $current_user, $display_name , $user_email; $op_sets = get_option( DLIP_DownLoadCommon::$optionName ); if(isset($op_sets['need_member']) && $op_sets['need_member']){ $user_id = $current_user->ID; if(!$user_id)$this->tourl(); } } public function the_content($content){ if(is_single()) { $content .= $this->downHtml(); } return $content; } private function downHtml(){ global $current_user; //配置 $op_sets = get_option( DLIP_DownLoadCommon::$optionName ); $tpl = $this->defaultTpl(); if(isset($op_sets['downtpl']) && $op_sets['downtpl']){ $tpl = $op_sets['downtpl']; } if(isset($op_sets['need_member']) && $op_sets['need_member']){ if(!$current_user || !$current_user->ID){ $tpl = isset($op_sets['usrdowntpl']) && $op_sets['usrdowntpl'] ?$op_sets['usrdowntpl'] : $this->defaultUsrTpl(); } } $tpl = apply_filters('dlip_down_tpl',$tpl); $datas = $this->metadata(true); return $this->parseTpl($tpl,$datas); } public function metadata($isDown = false){ $postId = get_the_ID(); //字段 $fields = DLIP_DownLoadCommon::fields(); $prefix = DLIP_DownLoadCommon::$mataPrefix; //字段值 $datas = array(); if(is_array($fields))foreach($fields as $k=>$v){ $field = $prefix.$k; $datas[$k] = get_post_meta( $postId,$field , true ); } if(isset($datas['url']))$datas['org_url'] = $datas['url']; if($isDown && $datas['url']){ //配置 $op_sets = get_option( DLIP_DownLoadCommon::$optionName ); if($op_sets['domain']){ $datas['url'] = $op_sets['domain'].'/down.php?id='.$postId; }else if($siteurl = get_option('siteurl')){ $datas['url'] = $siteurl.'/down.php?id='.$postId; } } return $datas; } private function parseTpl($tpl,$datas){ if(!$tpl)return ''; if(!$datas['url'])return ''; if(is_array($datas))foreach($datas as $k=>$v){ if(!$v){ $tpl = preg_replace('#{if '.$k.'}.+?{/if}#s','',$tpl); continue; } //preg_match('#{if '.$k.'}(.+?){/if}#s',$tpl,$m); $tpl = preg_replace('#{if '.$k.'}(.+?){/if}#s','$1',$tpl); $tpl = str_replace('{'.$k.'}',$v,$tpl); } return $tpl; } private function defaultUsrTpl(){ $reg = get_option('siteurl').'/wp-login.php?action=register'; $login = get_option('siteurl').'/wp-login.php'; $tpl = '<style>.wbolt-btn, a.wbolt-btn{min-width:58px;}a.wbolt-btn.wbolt-btn-outline{ border:1px solid #cecece;background-color:#fff;color:#3a4258 !important}</style> <div class="wbolt-box"> <h3 class="wb-title">下载信息</h3> <div class="txtc"> <p>-------［<span class="hl">下载</span>需要登录］-------</p> <a class="wbolt-btn wbolt-btn-outline" href="'.$login.'">登录</a> <a class="wbolt-btn" href="'.$reg.'">免费注册</a> </div> </div>'; return $tpl; } private function defaultTpl(){ $tpl = '<div class="download-info"> <h3>下载信息</h3> <ul> {if title}<li>名称：<b>{title}</b></li>{/if} {if format}<li>格式：<b>{format}</b></li>{/if} {if version}<li>版本：<b>{version}</b></li>{/if} {if size}<li>大小：<b>{size}</b></li>{/if} </ul> {if url}<p><a class="btn-download" href="{url}" target="_blank" rel="nofollow"><i class="icon-download"></i> <span>点击下载</span></a></p>{/if} </div>'; return $tpl; } //内容下载样式 function downStyle(){ ?> <style> a.btn-download{ display:inline-block; *display:inline; *zoom:1; min-width:100px; line-height:16px; background-color:#79b1ef !important; /*按钮默认底色*/ padding:8px 10px; text-align:center; color:#fff !important; /*按钮默认字体颜色*/ font-size:12px; border-radius:4px; margin:15px 0 0 16px; text-decoration:none; } a.btn-download:hover{ background-color:#6598d0 !important; /*按钮鼠标经过底色*/ } a.btn-download span{ display:block; } a.btn-download .icon-download{ display:inline-block; *display:inline; *zoom:1; width:28px; height:28px; background:url(<?php echo plugins_url("images/icon-download-sm.png", DLIPP_BASE_FILE)?>) no-repeat; /*旧版浏览器图标*/ } :root a.btn-download .icon-download{ background:url(<?php echo plugins_url("images/icon-download.png", DLIPP_BASE_FILE)?>) no-repeat; /*现代浏览器图标*/ background-size:28px 28px; } </style> <?php } }