当前位置: 首页 > 图文教程 > 网络编程 > Javascript > List the Codec Files on a Computer

Javascript
Javascript初学者实例教程(5):Document对象
JS初学者实例教程(6):Document对象读取表单元素
JS初学者实例教程(7):注册表单验证
JS初学者实例教程(8):单选按钮、复选按钮
JS初学者实例教程(9):下拉菜单和链接属性
Javascript初学者实例教程(11):鼠标动作
Javascript初学者实例教程(12):访问XML节点
JavaScript类
网页内应用JS的最好方法
JS两种定义Function非常常用的方法
网页JavaScript运行时IE产生警告栏解决方法
处理大量JavaScript对象的好选择:JSON
JSON(JavaScript Object Notation)
javascript用法:break,continue和return语句
JS获取各种浏览器窗口的大小
JavaScript发展与互联网
IE地址栏实现的JS有趣效果和应用
Javascript如何应用到网页中
Javascript条件判断语句的小技巧
Firebug Lite使用在IE、Opera、Safari浏览器

Javascript 中的 List the Codec Files on a Computer


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-12   浏览: 312 ::
收藏到网摘: n/a

Description
Uses WMI to return information about all the audio and video codec files installed on a computer. Script Code
复制代码 代码如下:

var wbemFlagReturnImmediately = 0x10;
var wbemFlagForwardOnly = 0x20;
var objWMIService = GetObject("winmgmts:\\\\.\\root\\CIMV2");
var colItems = objWMIService.ExecQuery("SELECT * FROM Win32_CodecFile", "WQL",
wbemFlagReturnImmediately | wbemFlagForwardOnly);
var enumItems = new Enumerator(colItems);
for (; !enumItems.atEnd(); enumItems.moveNext()) {
var objItem = enumItems.item();
WScript.Echo("Access Mask: " + objItem.AccessMask);
WScript.Echo("Archive: " + objItem.Archive);
WScript.Echo("Caption: " + objItem.Caption);
WScript.Echo("Compressed: " + objItem.Compressed);
WScript.Echo("Compression Method: " + objItem.CompressionMethod);
WScript.Echo("Creation Class Name: " + objItem.CreationClassName);
WScript.Echo("Creation Date: " + objItem.CreationDate);
WScript.Echo("CS Creation Class Name: " + objItem.CSCreationClassName);
WScript.Echo("CS Name: " + objItem.CSName);
WScript.Echo("Description: " + objItem.Description);
WScript.Echo("Drive: " + objItem.Drive);
WScript.Echo("Eight Dot Three File Name: " + objItem.EightDotThreeFileName);
WScript.Echo("Encrypted: " + objItem.Encrypted);
WScript.Echo("Encryption Method: " + objItem.EncryptionMethod);
WScript.Echo("Extension: " + objItem.Extension);
WScript.Echo("File Name: " + objItem.FileName);
WScript.Echo("File Size: " + objItem.FileSize);
WScript.Echo("File Type: " + objItem.FileType);
WScript.Echo("FS Creation Class Name: " + objItem.FSCreationClassName);
WScript.Echo("FS Name: " + objItem.FSName);
WScript.Echo("Group: " + objItem.Group);
WScript.Echo("Hidden: " + objItem.Hidden);
WScript.Echo("Install Date: " + objItem.InstallDate);
WScript.Echo("In Use Count: " + objItem.InUseCount);
WScript.Echo("Last Accessed: " + objItem.LastAccessed);
WScript.Echo("Last Modified: " + objItem.LastModified);
WScript.Echo("Manufacturer: " + objItem.Manufacturer);
WScript.Echo("Name: " + objItem.Name);
WScript.Echo("Path: " + objItem.Path);
WScript.Echo("Readable: " + objItem.Readable);
WScript.Echo("Status: " + objItem.Status);
WScript.Echo("System: " + objItem.System);
WScript.Echo("Version: " + objItem.Version);
WScript.Echo("Writeable: " + objItem.Writeable);
WScript.Echo();
}