<html>
<head>
<script>
function isAcrobatPluginInstall() {
var flag = false;
// 如果是firefox浏览器
if (navigator.plugins && navigator.plugins.length) {
for (x = 0; x < navigator.plugins.length; x++) {
if (navigator.plugins[x].name == 'Adobe Acrobat')
flag = true;
}
}
// 下面代码都是处理IE浏览器的情况
else if (window.ActiveXObject) {
for (x = 2; x < 10; x++) {
try {
oAcro = eval_r("new ActiveXObject('PDF.PdfCtrl." + x + "');");
if (oAcro) {
flag = true;
}
} catch (e) {
flag = false;
}
}
try {
oAcro4 = new ActiveXObject('PDF.PdfCtrl.1');
if (oAcro4)
flag = true;
} catch (e) {
flag = false;
}
try {
oAcro7 = new ActiveXObject('AcroPDF.PDF.1');
if (oAcro7)
flag = true;
} catch (e) {
flag = false;
}
}
if (flag) {
alert("yes");
return true;
} else {
alert("对不起,您还没有安装PDF阅读器软件呢,为了方便预览PDF文档,请选择安装！");
location = 'http://ardownload.adobe.com/pub/adobe/reader/win/9.x/9.3/chs/AdbeRdr930_zh_CN.exe';
}
return flag;
}
</script>
</head>
<body>
<input type="button" value="jiance" onclick="isAcrobatPluginInstall()"/>
</body>
</html>
