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type: "get", success: function (result) { if (result.code == 200) { var url = result.data; if(url.split("?")[0].toLowerCase().endsWith(".pdf")){ var iframeCon = document.querySelector('#conIframe'); var iframe = document.createElement('iframe'); iframe.id = "frame"; iframe.style = "position: relative;width: 100%;background-color: #fff;height:800px"; // iframe.name="polling"; iframe.src = "/pdfjs/web/viewer.html?file="+encodeURIComponent(url) iframeCon.appendChild(iframe); } } }, error:function (x) { layer.msg('½Ó¿ÚÒªÇóÃýÎó'); } });