466 lines
15 KiB
JavaScript
466 lines
15 KiB
JavaScript
function _createForOfIteratorHelper(o, allowArrayLike) { var it = typeof Symbol !== "undefined" && o[Symbol.iterator] || o["@@iterator"]; if (!it) { if (Array.isArray(o) || (it = _unsupportedIterableToArray(o)) || allowArrayLike && o && typeof o.length === "number") { if (it) o = it; var i = 0; var F = function F() {}; return { s: F, n: function n() { if (i >= o.length) return { done: true }; return { done: false, value: o[i++] }; }, e: function e(_e) { throw _e; }, f: F }; } throw new TypeError("Invalid attempt to iterate non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); } var normalCompletion = true, didErr = false, err; return { s: function s() { it = it.call(o); }, n: function n() { var step = it.next(); normalCompletion = step.done; return step; }, e: function e(_e2) { didErr = true; err = _e2; }, f: function f() { try { if (!normalCompletion && it.return != null) it.return(); } finally { if (didErr) throw err; } } }; }
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$("#openFile").click(function() {
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openFile();
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});
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$("#file").change(function() {
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fileChanged();
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});
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$("#zoomIn").click(function() {
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zoomIn();
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});
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$("#zoomOut").click(function() {
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zoomOut();
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});
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$("#zoomValue").change(function() {
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zoomChange();
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});
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$("#firstPage").click(function() {
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firstPage();
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});
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$("#prePage").click(function() {
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prePage();
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});
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$("#nextPage").click(function() {
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nextPage();
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});
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$("#lastPage").click(function() {
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lastPage();
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});
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$("#print").click(function() {
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print();
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});
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$("#main").scroll(function() {
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scrool();
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});
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window.onresize = function() {
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return function() {
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var contentDiv = document.getElementById("content");
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var nowleft = 0;
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if (contentDiv.childNodes[0]) nowleft = contentDiv.childNodes[0].offsetLeft;
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} ();
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};
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//监听整个页面的 copy 事件
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document.addEventListener('copy',function(event){
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let clipboardData = event.clipboardData || window.clipboardData;
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if(!clipboardData) return;
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let text = window.getSelection().toString();
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if(text){
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var copytext = text.replace(/\n|\r/g, ""); //去除换行符
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if (window.clipboardData) { // Internet Explorer
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window.clipboardData.setData ("Text", copytext);
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} else {
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var newdiv = document.createElement('div');
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newdiv.style.position='absolute';
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newdiv.style.left='-99999px';
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var body_element = document.getElementsByTagName('body')[0];
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body_element.appendChild(newdiv);
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newdiv.innerHTML = copytext;
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window.getSelection().selectAllChildren(newdiv);
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window.setTimeout(function() {
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body_element.removeChild(newdiv);
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},0);
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}
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}
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});
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// 手机端，隐藏缩放比例选择框，打开文件和打印按钮
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if (this.isMobile()) {
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if (document.getElementById("zoomSelect")) document.getElementById("zoomSelect").style.display = "none";
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if (document.getElementById("openFile")) document.getElementById("openFile").style.display = "none";
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if (document.getElementById("print")) document.getElementById("print").style.display = "none";
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if (document.getElementById("separator1")) document.getElementById("separator1").style.display = "none";
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if (document.getElementById("separator2")) document.getElementById("separator2").style.display = "none";
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}
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// 判断手机端还是PC端
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function isMobile() {
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var flag = navigator.userAgent.match(/(phone|pad|pod|iPhone|iPod|ios|iPad|Android|Mobile|BlackBerry|IEMobile|MQQBrowser|JUC|Fennec|wOSBrowser|BrowserNG|WebOS|Symbian|Windows Phone)/i);
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return flag;
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}
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// 判断是否IE浏览器
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function isIE() {
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var navigator = window.navigator.userAgent;
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if (navigator.indexOf("MSIE") > 0 || navigator.indexOf("Trident") > 0) {
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return true;
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}
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return false;
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}
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this.screenWidth = document.body.clientWidth;
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// cnofd提供浏览器端和服务端两种OFD版式文件的解析渲染模式。
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// 服务器渲染模式；浏览器端渲染时，请注释以下两行代码
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//Object(cnofd["setRenderMode"])("Server");
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//Object(cnofd["setServerUrl"])("http://localhost:8080/api/ofdrender/");
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data: function data() {
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return {
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leftMenuWidth: 0,
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ofdBase64: null,
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pageIndex: 1,
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pageCount: 0,
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title: null,
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value: null,
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ofdDoc: null,
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screenWidth: document.body.clientWidth,
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ofdDiv: null,
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isFont: false
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};
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}
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this.pageZoomScale = "1.0";
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cnofd["setScaleValue"](this.pageZoomScale);
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var scale = this.getQueryVariable("scale");
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if (scale && (scale == "width" || Number(scale))) {
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this.pageZoomScale = scale;
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cnofd["setScaleValue"](scale);
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}
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var file = this.getQueryVariable("file");
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file = decodeURIComponent(file);
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if (file) this.loadOfdFile(file);
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if (scale && (scale == "width" || Number(scale))) {
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var selectZoom = document.getElementById("zoomValue");
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selectZoom.selectedIndex = -1;
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if (this.pageZoomScale == "width") {
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selectZoom.selectedIndex = 0;
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} else {
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for (var i = 1; i < selectZoom.length; i++) {
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if (Math.abs(this.pageZoomScale - selectZoom.options[i].value) < 0.01) {
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selectZoom.selectedIndex = i;
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break;
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}
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}
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}
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}
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function getQueryVariable(variable) {
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var query = window.location.search.substring(1);
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var vars = query.split("&");
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for (var i = 0; i < vars.length; i++) {
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var pair = vars[i].split("=");
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if (pair[0] == variable) {
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return pair[1];
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}
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}
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return false;
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}
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function loadOfdFile(ofdFile) {
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var that = this;
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JSZipUtils.getBinaryContent(ofdFile,
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function(err, data) {
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if (err) {
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console.log(err);
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} else {
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var base64String = btoa(String.fromCharCode.apply(null, new Uint8Array(data)));
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that.ofdBase64 = base64String;
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}
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});
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this.getOfdDocument(ofdFile, this.screenWidth, this.pageZoomScale);
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setPageInfo();
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}
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function openFile() {
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this.isFont = false;
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this.file = null;
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$("#file")[0].click();
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}
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function fileChanged() {
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this.file = $("#file")[0].files[0];
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if (this.file == null)
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return;
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var ext = this.file.name.replace(/.+\./, "");
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if (["ofd"].indexOf(ext) === -1) {
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window.alert("error，仅支持ofd文件类型");
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return;
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}
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if (this.file.size > 20 * 1024 * 1024) {
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window.alert("error，文件大小超过20MB");
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return;
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}
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Object(cnofd["setScaleValue"])(this.pageZoomScale);
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var selectZoom = document.getElementById("zoomValue");
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if (selectZoom)
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selectZoom.value = this.pageZoomScale;
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var that = this;
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var reader = new FileReader();
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reader.readAsDataURL(this.file);
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reader.onload = function(e) {
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that.ofdBase64 = e.target.result.split(",")[1];
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};
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this.getOfdDocument(this.file, this.screenWidth, this.pageZoomScale);
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}
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function getOfdDocument(file, screenWidth, pageZoomScale) {
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var that = this;
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$("#loading").show();
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var contentDiv = document.getElementById("content");
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contentDiv.innerHTML = "";
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Object(cnofd["ofdParse"])({
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ofd: file,
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success: function success(res) {
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that.ofdDoc = res;
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that.pageIndex = 1;
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that.pageCount = res.pageCount;
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if (pageZoomScale == "width") {
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var divs = Object(cnofd["ofdRender"])(res, screenWidth);
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that.displayOfdDiv(divs);
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} else {
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var divs = Object(cnofd["ofdRenderByScale"])(res, screenWidth, pageZoomScale);
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that.displayOfdDiv(divs);
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}
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$("#loading").hide();
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},
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fail: function fail(error) {
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$("#loading").hide();
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console.log('OFD打开失败');
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}
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});
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}
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function displayOfdDiv(divs) {
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var contentDiv = document.getElementById("content");
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contentDiv.innerHTML = "";
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var _iterator3 = _createForOfIteratorHelper(divs),
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_step3;
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try {
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for (_iterator3.s(); ! (_step3 = _iterator3.n()).done;) {
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var div = _step3.value;
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contentDiv.appendChild(div);
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}
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} catch(err) {
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_iterator3.e(err);
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} finally {
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_iterator3.f();
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}
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setPageInfo();
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}
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function zoomIn() {
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var selectZoom = document.getElementById("zoomValue");
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if (selectZoom.selectedIndex > 1) {
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selectZoom.selectedIndex = selectZoom.selectedIndex - 1;
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Object(cnofd["setScaleValue"])(selectZoom.options[selectZoom.selectedIndex].value);
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var divs = Object(cnofd["ofdRenderByScale"])(this.ofdDoc);
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if (divs) {
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this.displayOfdDiv(divs);
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} else {
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this.getOfdDocument(this.file, this.screenWidth);
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}
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}
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}
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function zoomOut() {
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var selectZoom = document.getElementById("zoomValue");
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if (selectZoom.selectedIndex < selectZoom.length-1) {
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selectZoom.selectedIndex = selectZoom.selectedIndex + 1;
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if (selectZoom.selectedIndex == 0) selectZoom.selectedIndex = 1;
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Object(cnofd["setScaleValue"])(selectZoom.options[selectZoom.selectedIndex].value);
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var divs = Object(cnofd["ofdRenderByScale"])(this.ofdDoc);
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if (divs) {
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this.displayOfdDiv(divs);
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} else {
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this.getOfdDocument(this.file, this.screenWidth);
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}
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}
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}
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function zoomChange() {
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var selectZoom = document.getElementById("zoomValue");
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if (selectZoom.options[selectZoom.selectedIndex].value == "width") {
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Object(cnofd["setScaleValue"])(selectZoom.options[selectZoom.selectedIndex].value);
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var divs = Object(cnofd["ofdRender"])(this.ofdDoc, this.screenWidth);
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if (divs) {
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this.displayOfdDiv(divs);
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} else {
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this.getOfdDocument(this.file, this.screenWidth);
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}
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} else {
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Object(cnofd["setScaleValue"])(selectZoom.options[selectZoom.selectedIndex].value);
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var divs = Object(cnofd["ofdRenderByScale"])(this.ofdDoc);
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if (divs) {
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this.displayOfdDiv(divs);
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} else {
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this.getOfdDocument(this.file, this.screenWidth);
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}
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}
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}
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function scrool() {
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var contentDiv = document.getElementById("content");
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var contentDiv1 = contentDiv.firstElementChild;
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var scrolled = (contentDiv1 === null || contentDiv1 === void 0 ? void 0 : contentDiv1.getBoundingClientRect() === null || contentDiv1.getBoundingClientRect() === void 0 ? void 0 : contentDiv1.getBoundingClientRect().top) - 60;
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var top = 0;
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var index = 0;
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for (var i = 0; i < contentDiv.childElementCount; i++) {
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var contentDiv2 = contentDiv.children.item(i);
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top += Math.abs(contentDiv2 === null || contentDiv2 === void 0 ? void 0 : contentDiv2.style.height.replace("px", "")) + Math.abs(contentDiv2 === null || contentDiv2 === void 0 ? void 0 : contentDiv2.style.marginBottom.replace("px", ""));
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if (Math.abs(scrolled) < top) {
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index = i;
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break;
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}
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}
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this.pageIndex = index + 1;
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setPageInfo();
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}
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function setPageInfo() {
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if (! (this.pageCount == null) && this.pageCount > 0) {
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$("#pageInfo")[0].innerText = this.pageIndex + "/" + this.pageCount;
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}
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}
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function prePage() {
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var contentDiv = document.getElementById("content");
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var ele = contentDiv.children.item(this.pageIndex - 2);
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ele === null || ele === void 0 ? void 0 : ele.scrollIntoView(true);
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ele ? this.pageIndex = this.pageIndex - 1 : "";
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setPageInfo();
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}
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function firstPage() {
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var contentDiv = document.getElementById("content");
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var ele = contentDiv.firstElementChild;
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ele === null || ele === void 0 ? void 0 : ele.scrollIntoView(true);
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ele ? this.pageIndex = 1 : "";
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setPageInfo();
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}
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function nextPage() {
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var contentDiv = document.getElementById("content");
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var ele = contentDiv.children.item(this.pageIndex);
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ele === null || ele === void 0 ? void 0 : ele.scrollIntoView(true);
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ele ? ++this.pageIndex: "";
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setPageInfo();
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}
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function lastPage() {
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var contentDiv = document.getElementById("content");
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var ele = contentDiv.children.item(contentDiv.childElementCount - 1);
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ele === null || ele === void 0 ? void 0 : ele.scrollIntoView(true);
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ele ? this.pageIndex = contentDiv.childElementCount : "";
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setPageInfo();
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}
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function print() {
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var contentDiv = document.getElementById("content");
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var contentDivChilds = contentDiv.children;
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var list = [];
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for (var i = 0; i < contentDivChilds.length; i++) {
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var ele = contentDivChilds.item(i);
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list.push(ele.cloneNode(true));
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this.percentage = i / contentDivChilds.length;
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}
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if (list.length > 0) {
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if (!isIE()) {
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var mywindow = window.open("打印窗口", "_blank");
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mywindow.document.write('<!DOCTYPE html><html><head>'
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+'<style media="print">.page-break { page-break-inside: avoid; page-break-after: always; }</style>'
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+'</head><body></body</html>');
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var documentBody = mywindow.document.body;
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var _iterator2 = _createForOfIteratorHelper(list),
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_step2;
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try {
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for (_iterator2.s(); ! (_step2 = _iterator2.n()).done;) {
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var canvas = _step2.value;
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canvas.style.margin = "";
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canvas.style.boxShadow = "";
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documentBody.appendChild(canvas);
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}
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} catch(err) {
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_iterator2.e(err);
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} finally {
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_iterator2.f();
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}
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mywindow.focus();
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mywindow.print();
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mywindow.close();
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} else {
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var printhtml = "";
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for (var i=0; i < list.length; i++) {
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var canvas = list[i];
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canvas.style.margin = "";
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canvas.style.boxShadow = "";
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printhtml = printhtml + canvas.outerHTML;
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}
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printIE(printhtml);
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}
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}
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}
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function printIE(printhtml) {
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var iframe = document.createElement("iframe");
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iframe.id = "printf";
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iframe.style.width = "0";
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iframe.style.display = "none"
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iframe.style.height = "0";
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iframe.style.border = "none";
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document.body.appendChild(iframe);
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setTimeout(function () {
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iframe.contentDocument.write(" <script type='text/javascript'> window.onload = function() { document.execCommand('print'); } </script> " + printhtml);
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iframe.contentDocument.close();
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},
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100)
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}
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