peter279k · October 20, 2018 05:19
diff --git a/wcbss.html b/wcbss.html
 <!DOCTYPE html>
 <html>
    <head>
        <title>date-test</title>
        <meta charset="utf-8">
    </head>
    <body>
        <div id="text"></div>
        <h2 id="result"></h2>
        <img id="image" style="-webkit-user-select: none; cursor: zoom-in;" src="" onerror="ImageErr(this)" width="383" height="695" />
        <script>

            function ImageErr(source) {
                source.src = null;
                source.onerror = "";
                source.setAttribute("style", "display: none;");
                document.getElementById("result").innerHTML = "image did not found";
                return true;
            }

            var dat = new Date();

            var year = dat.getFullYear();
            year = "" + year;

            var month = dat.getMonth() + 1;
            var day = dat.getDate();

            if(day <= 9)
                day = "0" + day;
            else
                day = "" + day;
            if(month <= 9)
                month = "0" + month;
            else
                month = "" + month;

            var className = "4B";
            var requestStr = year + month + day + className + ".jpg";

            var url = "http://www.wcbss.edu.hk/learn_teach/homework/" + requestStr;
            
            //錯誤照片範例，會觸發 ImageErr 方法
            //var url = "http://www.wcbss.edu.hk/learn_teach/homework/201509084B.jpg";

            var text = document.getElementById("text");

            var image = document.getElementById("image");

            image.setAttribute("src", url);
        </script>
    </body>
 </html>
	<!DOCTYPE html>
	<html>
	<head>
	<title>date-test</title>
	<meta charset="utf-8">
	</head>
	<body>
	<div id="text"></div>
	<h2 id="result"></h2>
	<img id="image" style="-webkit-user-select: none; cursor: zoom-in;" src="" onerror="ImageErr(this)" width="383" height="695" />
	<script>

	function ImageErr(source) {
	source.src = null;
	source.onerror = "";
	source.setAttribute("style", "display: none;");
	document.getElementById("result").innerHTML = "image did not found";
	return true;
	}

	var dat = new Date();

	var year = dat.getFullYear();
	year = "" + year;

	var month = dat.getMonth() + 1;
	var day = dat.getDate();

	if(day <= 9)
	day = "0" + day;
	else
	day = "" + day;
	if(month <= 9)
	month = "0" + month;
	else
	month = "" + month;

	var className = "4B";
	var requestStr = year + month + day + className + ".jpg";

	var url = "http://www.wcbss.edu.hk/learn_teach/homework/" + requestStr;

	//錯誤照片範例，會觸發 ImageErr 方法
	//var url = "http://www.wcbss.edu.hk/learn_teach/homework/201509084B.jpg";

	var text = document.getElementById("text");

	var image = document.getElementById("image");

	image.setAttribute("src", url);
	</script>
	</body>
	</html>