a.Button{ FLOAT:LEFT; background:url(http://bidding.ningbo.gov.cn/r/cms/www/red/nb/img/buttona.jpg) no-repeat; width:134px; height:35px; line-height:35px; display:block; color:#FFF; text-align:center; text-decoration:none; margin:0 10px 0 0;} 交易登记号:XQC21047 预览招标文件下载标书 杭州湾跨海大桥混凝土箱梁、索塔及支座定期检测项目（2021-2023年度）.pdf var thhref=$("#fujian").children("a").attr("href"); thhref= thhref.replace(/#/g,'%23'); $("#fujian").children("a").attr("href",thhref); if($("#fujian").children("a").attr("href").substr($("#fujian").children("a").attr("href").length-3,$("#fujian").children("a").attr("href").length)=='pdf'){ $("#fujian").attr("style","display:none"); $("#pdfdiv").attr("style","width: 1000px; margin: auto"); $("#iframelist").attr("src","/pdfjs/web/viewer.html?file="+$("#fujian").children("a").attr("href")); }