246 lines
8.0 KiB
HTML
246 lines
8.0 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>文档</title>
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<script src="../../../js/libs/jquery-3.6.0.js"></script>
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<!-- <script src="../../js/public.js"></script>-->
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<script src="../../../js/publicJs.js"></script>
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</head>
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<style>
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body,html{
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width: 100%;
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height: 100%;
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margin: 0;
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padding: 0;
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float: left;
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}
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#dataDiv{
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width: 100%;
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height: 95%;
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float: left;
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}
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#downloadBtn{
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background-color: rgb(2, 167, 240);
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color: #FFFFFF;
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border: none;
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margin-right: 20px;
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border-radius: 5px;
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margin-top: 5px;
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width: 60px;
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height: 39px;
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font-size: 18px;
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margin-bottom: 5px;
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position: absolute;
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right: 1%;
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}
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</style>
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<body>
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<div id="dataDiv">
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<div style="width:100%;text-align: right;float: left">
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<!-- <p id="fileName" style="float: left;margin-left: 30px;font-weight: bold"></p>-->
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<!-- <button id="downloadBtn">下载</button>-->
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</div>
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<iframe id="iframe" style="width:98%;height: 100%;border: none;margin-left: 1%;"></iframe>
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</div>
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</body>
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<script type="text/javascript">
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var Base64 = {
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_keyStr: "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
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encode: function(e) {
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var t = "";
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var n, r, i, s, o, u, a;
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var f = 0;
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e = Base64._utf8_encode(e);
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while (f < e.length) {
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n = e.charCodeAt(f++);
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r = e.charCodeAt(f++);
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i = e.charCodeAt(f++);
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s = n >> 2;
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o = (n & 3) << 4 | r >> 4;
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u = (r & 15) << 2 | i >> 6;
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a = i & 63;
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if (isNaN(r)) {
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u = a = 64
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} else if (isNaN(i)) {
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a = 64
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}
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t = t + this._keyStr.charAt(s) + this._keyStr.charAt(o) + this._keyStr.charAt(u) + this._keyStr.charAt(a)
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}
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return t
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},
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decode: function(e) {
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var t = "";
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var n, r, i;
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var s, o, u, a;
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var f = 0;
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e = e.replace(/[^A-Za-z0-9+/=]/g, "");
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while (f < e.length) {
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s = this._keyStr.indexOf(e.charAt(f++));
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o = this._keyStr.indexOf(e.charAt(f++));
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u = this._keyStr.indexOf(e.charAt(f++));
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a = this._keyStr.indexOf(e.charAt(f++));
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n = s << 2 | o >> 4;
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r = (o & 15) << 4 | u >> 2;
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i = (u & 3) << 6 | a;
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t = t + String.fromCharCode(n);
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if (u != 64) {
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t = t + String.fromCharCode(r)
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}
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if (a != 64) {
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t = t + String.fromCharCode(i)
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}
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}
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t = Base64._utf8_decode(t);
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return t
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},
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_utf8_encode: function(e) {
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e = e.replace(/rn/g, "n");
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var t = "";
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for (var n = 0; n < e.length; n++) {
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var r = e.charCodeAt(n);
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if (r < 128) {
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t += String.fromCharCode(r)
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} else if (r > 127 && r < 2048) {
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t += String.fromCharCode(r >> 6 | 192);
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t += String.fromCharCode(r & 63 | 128)
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} else {
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t += String.fromCharCode(r >> 12 | 224);
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t += String.fromCharCode(r >> 6 & 63 | 128);
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t += String.fromCharCode(r & 63 | 128)
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}
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}
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return t
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},
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_utf8_decode: function(e) {
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var t = "";
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var n = 0;
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var r = c1 = c2 = 0;
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while (n < e.length) {
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r = e.charCodeAt(n);
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if (r < 128) {
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t += String.fromCharCode(r);
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n++
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} else if (r > 191 && r < 224) {
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c2 = e.charCodeAt(n + 1);
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t += String.fromCharCode((r & 31) << 6 | c2 & 63);
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n += 2
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} else {
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c2 = e.charCodeAt(n + 1);
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c3 = e.charCodeAt(n + 2);
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t += String.fromCharCode((r & 15) << 12 | (c2 & 63) << 6 | c3 & 63);
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n += 3
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}
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}
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return t
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}
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}
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//kk file 路径
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// var filePreviewPathAll = filePreviewUrl;
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var fileUploadPath = "";
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function setParam(filePath, fileNames, fileTimes, fileDownloadName){
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var suffix ="";
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if(fileNames !=null && fileNames !=undefined && fileNames !='null' && fileNames !='undefined'){
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suffix = fileNames.substring(fileNames.lastIndexOf(".")+1);
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}
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fileUploadPath = filePath;
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// filePath = "https://gzsbdgs.obs.cn-southwest-2.myhuaweicloud.com/bns/gz/fileTemp/2023/01/09/1673248379018满江错误人员名单.xlsx";
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let filePreviewPath;
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if(suffix == "pdf"){ //pdf 预览不需要插件
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if(filePath.indexOf("http") != -1){
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filePreviewPath = filePath;
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}else{
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filePreviewPath = lookFile+"/"+filePath;
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}
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//filePreviewPath = encodeURI(filePreviewPath);
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$("#downloadBtn").css("display","none")
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$("#iframe").attr("src", filePreviewPath);
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}else{
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if(filePath.indexOf("http") != -1){
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filePreviewPath = filePreviewPathAll + Base64.encode(encodeURI(filePath));
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}else{
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filePreviewPath = filePreviewPathAll + Base64.encode(encodeURI(lookFile+"/"+filePath));
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}
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if(fileNames !=null && fileNames !=undefined && fileNames !='null' && fileNames !='undefined' && fileNames.length > 50){
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fileNames = fileNames.substring(0,50)+"...";
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}
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$("#fileName").text(fileNames);
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if(suffix == "jpg" || suffix == "png" || suffix == "JPG" || suffix == "PNG"){
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$("#downloadBtn").css("display","none");
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}
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console.log("filePreviewPath="+filePreviewPath)
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$("#iframe").attr("src", filePreviewPath);
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//限制onclick事件只触发一次
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$("#downloadBtn").one('click',function () {
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window.location.href = fileUploadPath;
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// if(!!fileDownloadName){
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// download(filePreviewPath, fileDownloadName);
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// }else{
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// download(filePreviewPath, "文档下载");
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// }
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});
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}
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}
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/**
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* 下载
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* @param {String} url 目标文件地址
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* @param {String} filename 想要保存的文件名称
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*/
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function download(url, filename) {
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getBlob(url).then(blob => {
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saveAs(blob, filename);
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});
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}
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/**
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* 获取 blob
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* @param {String} url 目标文件地址
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* @return {Promise}
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*/
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function getBlob(url) {
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return new Promise(resolve => {
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const xhr = new XMLHttpRequest();
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xhr.open('GET', url, true);
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xhr.responseType = 'blob';
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xhr.onload = () => {
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if (xhr.status === 200) {
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resolve(xhr.response);
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}
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};
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xhr.send();
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});
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}
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/**
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* 保存
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* @param {Blob} blob
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* @param {String} filename 想要保存的文件名称
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*/
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function saveAs(blob, filename) {
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if (window.navigator.msSaveOrOpenBlob) {
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navigator.msSaveBlob(blob, filename);
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} else {
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const link = document.createElement('a');
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const body = document.querySelector('body');
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link.href = window.URL.createObjectURL(blob);
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link.download = filename;
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// fix Firefox
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link.style.display = 'none';
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body.appendChild(link);
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link.click();
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body.removeChild(link);
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window.URL.revokeObjectURL(link.href);
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}
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}
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</script>
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</html> |