Index: ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js
===================================================================
diff -u -r27864 -r28143
--- ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js	(.../takeVideoAndImg.js)	(revision 27864)
+++ ssts-web/src/main/webapp/disinfectsystem/test/takeVideoAndImg.js	(.../takeVideoAndImg.js)	(revision 28143)
@@ -102,8 +102,8 @@
 
 function openCamera() {
 	var video = document.getElementById('video');
-	var videoWidth = 1024;
-	var videoHeight = 650;
+	var videoWidth = cameraWidth;
+	var videoHeight = cameraHeight;
 
 	video.controls = false;
 	video.muted = true;
@@ -179,12 +179,15 @@
 // 这段代码主要是获取摄像头的视频流并显示在Video 签中
 $(function () {
 	var cameraHeight = $(window).height()-$(".camera_footer").height()-20;
+	var cameraWidth = parseInt(cameraHeight/480*640);
 	$(".camera_wrapper").css({"height":cameraHeight+"px"});
 	var canvas = document.getElementById("canvas");
 	var context = canvas.getContext("2d");
 
 	/* 预览大图图片 */
 	var canvasBig = document.getElementById("canvasBig");
+	canvasBig.setAttribute('width',cameraWidth);
+	canvasBig.setAttribute('height',cameraHeight);
 	var contextBig = canvasBig.getContext("2d");
 
 	var video = document.getElementById("video");
@@ -194,7 +197,6 @@
 	var errBack = function (error) {
 		//console.log("Video capture error: ", error.code);
 	};
-
 	if (navigator.mediaDevices.getUserMedia) {
 		navigator.mediaDevices.getUserMedia(videoObj).then(function (stream) {
 			video.srcObject = stream;
@@ -224,7 +226,7 @@
 			$("#canvas").hide(0).slideDown("normal");
 			$("#canvas").addClass("animate-bounce-up");
 			context.drawImage(video, 0, 0, imgWidth, imgHeight);
-			contextBig.drawImage(video, 0, 0, 1024, 650);
+			contextBig.drawImage(video, 0, 0, cameraWidth, cameraHeight);
 			/* 显示在多图片页面 */
 			var base64Data = canvas.toDataURL('image/jpeg', 1.0);
 			/* 预览大图 */
@@ -280,7 +282,7 @@
 						$("#canvas").hide(0).slideDown("normal");
 						$("#canvas").addClass("animate-bounce-up");
 						context.drawImage(video, 0, 0, imgWidth, imgHeight);
-						contextBig.drawImage(video, 0, 0, 1024, 650);
+						contextBig.drawImage(video, 0, 0, cameraWidth, cameraHeight);
 						//预览大图
 						base64DataBig2 = canvasBig.toDataURL('image/jpeg', 1.0);
 					}
@@ -291,7 +293,7 @@
 				mediaRecorder.stop();
 				setTime('end');
 				context.drawImage(video, 0, 0, imgWidth, imgHeight);
-				contextBig.drawImage(video, 0, 0, 1024, 650);
+				contextBig.drawImage(video, 0, 0, cameraWidth, cameraHeight);
 				var endTime = new Date();
 				var duration = intervalTime(beginTime, endTime);
 				durationTime = duration;