复制代码代码如下::
<html>
<kopf>
<script type = "text/javaScript">
/ * 判断设备是否为 pc */
Funktion ispc () {
var userAgentInfo = navigator.useragent;
var Agents = new Array ("Android", "iPhone", "Symbianos", "Windows Phone", "iPad", "iPod");
var flag = true;
für (var v = 0; v <Agents.length; v ++) {
if (userAgentInfo.indexof (Agenten [v])> 0) {
Flag = Falsch;
brechen;
}
}
Rückflagge;
}
/ * 调整图片大小 */
Funktion Autorsesimage (MaxWidth, MaxHeight, Objimg) {
var img = new Image ();
img.src = objimg.src;
var hratio;
var wriatio;
Var -Verhältnis = 1;
var w = img.width;
var h = img.height;
WRATIO = MAXWIDTH / W;
hratio = maxheight / h;
if (maxwidth == 0 && maxHeight == 0) {
Verhältnis = 1;
} else if (maxwidth == 0) {//
if (Hratio <1) Verhältnis = hratio;
} else if (maxHeight == 0) {
if (Wratio <1) Verhältnis = Wratio;
} else if (Wratio <1 || hratio <1) {
Verhältnis = (WRATIO <= HRATIO? WRATIO: HRATIO);
}
if (Verhältnis <1) {
W = W * Verhältnis;
H = H * Verhältnis;
}
objimg.height = h;
objimg.width = w;
}
/ * 设置不同设备的缩放策略 */
FunktionsetImg (Tagid, PCWidth, pcheight, Appwidth, AppHeight) {
var Tag = document.getElementById (tagid);
var images = tag.getElementsByTagName ("img");
für (var i = 0; i <images.length; i ++) {
if (ispc) {
AutoressizeImage (PCWIDTH, PCHELTS, Bilder [i]);
}anders{
AutoressizeImage (Appwidth, AppHeight, Bilder [i]);
}
}
}
window.onload = function () {
setImg ('imgdiv', 300,0,300,0);
}
</script>
</head>
<body>
<div id = "imgdiv">
<img src = "http://192.168.1.116:9999/ffzx/news/20140205/015212022_1.jpg"/>
<div>
<img src = "http://192.168.1.116:9999/ffzx/news/20140208/1386835169183.jpg"/>
</div>
</div>
<br>
</body>
</html>