JavaScript获取和判断Adobe Reader的版本（转） 

 1 var adobeReaderInfo = {
 2     installed : false,
 3     version : "0.0",
 4     goRedirect : false,
 5     getAdobeReader : function() {
 6         // 如果是Firefox浏览器
 7         if (navigator.plugins && navigator.plugins.length) {
 8             for ( var x = 0; x < navigator.plugins.length; x++) {
 9                 if (navigator.plugins[x].description.indexOf("Adobe Acrobat") != -1) {
10                     adobeReaderInfo.version = parseFloat(navigator.plugins[x].description
11                             .split("Version ")[1]);
12                     if (adobeReaderInfo.version.toString().length == 1)
13                         adobeReaderInfo.version += ".0";
14                     adobeReaderInfo.installed = true;
15                     break;
16                 } else if (navigator.plugins[x].description
17                         .indexOf("Adobe PDF Plug-In") != -1) {
18                     adobeReaderInfo.installed = true;
19                     adobeReaderInfo.version = "8+";
20                     break;
21                 }
22             }
23         // 下面代码都是处理IE浏览器的情况
24         } else if (window.ActiveXObject) {
25             for (x = 2; x < 10; x++) {
26                 try {
27                     oAcro = eval("new ActiveXObject('PDF.PdfCtrl." + x + "');");
28                     if (oAcro) {
29                         adobeReaderInfo.installed = true;
30                         adobeReaderInfo.version = x + ".0";
31                     }
32                 } catch (e) {
33                 }
34             }
35             try {
36                 oAcro4 = new ActiveXObject("PDF.PdfCtrl.1");
37                 if (oAcro4) {
38                     adobeReaderInfo.installed = true;
39                     adobeReaderInfo.version = '4.0';
40                 }
41             } catch (e) {
42             }
43 
44             try {
45                 oAcro7 = new ActiveXObject('AcroPDF.PDF.1');
46                 if (oAcro7) {
47                     adobeReaderInfo.installed = true;
48                     adobeReaderInfo.version = '7.0';
49                 }
50             } catch (e) {
51             }
52         }
53     },
54     judgeAdobe : function() {
55         if (adobeReaderInfo.installed) {
56             if (parseInt(adobeReaderInfo.version) < 7) {
57                 if (confirm("Adobe Reader 版本太低可能会引起打印的文件布局错位，是否更新到最新版本？")) {
58                     adobeReaderInfo.goRedirect = false;
59                     window.open("http://get.adobe.com/cn/reader/", "", "");
60                     return false;
61                 } else {
62                     adobeReaderInfo.goRedirect = true;
63                 }
64             } else {
65                 adobeReaderInfo.goRedirect = true;
66             }
67         } else {
68             if (confirm("请先安装Adobe Reader")) {
69                 window.open("http://get.adobe.com/cn/reader/", "", "");
70                 return false;
71             }
72         }
73     }
74 };
posted @ 2011-12-20 15:03  Lorence Zhang  阅读(707)  评论(0)    收藏  举报