dp

gavel/src/main/resources/static/js/dbenlarge.js

+function fullScreen(element) {
+	const elem = element || document.documentElement;
+	if (elem.webkitRequestFullScreen) {
+		elem.webkitRequestFullScreen();
+	} else if (elem.mozRequestFullScreen) {
+		elem.mozRequestFullScreen();
+	} else if (elem.requestFullScreen) {
+		elem.requestFullscreen();
+	} else if (elem.msExitFullscreen) {
+		elem.msExitFullscreen();
+	} else if (elem.msRequestFullscreen) {
+		elem.msRequestFullscreen();
+	} else if (typeof window.ActiveXObject !== "undefined") { //for Internet Explorer
+		var wscript = new ActiveXObject("WScript.Shell");
+		if (wscript !== null) {
+			wscript.SendKeys("{F11}");
+		}
+	}
+}
+//退出全屏
+function exitFullscreen() {
+	var de = document;
+	if (de.exitFullscreen) {
+		de.exitFullscreen();
+	} else if (de.mozCancelFullScreen) {
+		de.mozCancelFullScreen();
+	} else if (de.webkitCancelFullScreen) {de.webkitCancelFullScreen();
+	}
+}
+
+function dbenlarge(domid,isTrue) {
+		let is=isTrue
+		document.getElementById(domid).style.backgroundColor="#FFFFFF"
+		document.getElementById(domid).addEventListener('dblclick', function(e) {
+			fullScreen(document.getElementById(domid));
+		}, false);
+		if(isTrue){
+			fullScreen(document.getElementById(domid));
+		}
+}

gavel/src/main/resources/static/js/pdfshow.js

+var pdfshow=function(url,domid,time){
+	return  new Promise(function(r,n){
+		let timenum
+		let pdfobj=pdfjsLib.getDocument(url)
+		let canvas=document.getElementById(domid);
+		pdfobj.promise.then(function(pdf){
+			let nowpage=0
+			let numPages=pdf._pdfInfo.numPages
+			timenum=setInterval(function(){
+				if(nowpage<numPages){
+					nowpage++
+				}else{
+					nowpage=1
+				}
+				pdf.getPage(nowpage).then(function(page) {
+				  // 设置渲染属性
+				  let viewport = page.getViewport({ scale: 2});
+				  canvas.height = viewport.height;
+				  canvas.width = viewport.width;
+				  let outputScale = 1;
+				  let context = canvas.getContext('2d');
+				  let transform = outputScale !== 1
+				    ? [outputScale, 0, 0, outputScale, 0, 0]
+				    : null;
+				  let renderContext = {
+				    canvasContext: context,
+				    transform: transform,
+				    viewport: viewport
+				  };
+				  page.render(renderContext);
+				});
+			},time)	
+			r(timenum)
+		})
+		
+	})
+		}
+	/* 封装pdf
+	url:pdf地址 
+	domid:canvas id
+	time:跳页时间(ms)
+	.then((e)=>{获取定时器})
+	*/
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