string filePath =@"E:/Randy0528/中文目录/JustTest.rar";
![](http://hiphotos.baidu.com/yueliangquan/pic/item/10d46cb4a27f7b3e8ad4b2eb.jpg)
Response.Write("文件路径:"+filePath);
![](http://hiphotos.baidu.com/yueliangquan/pic/item/6c4398736146e6518601b0eb.jpg)
Response.Write("<br/>更改路径字符串的扩展名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/ad7a051c6b93f4c686d6b6eb.jpg)
Response.Write(System.IO.Path.ChangeExtension(filePath, "txt"));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/a1af178b694472329f2fb4eb.jpg)
Response.Write("<br/>返回指定路径字符串的目录信息。。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/a178917f6ebd524529388aeb.jpg)
Response.Write(System.IO.Path.GetDirectoryName(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/b881b108daaa4a7de82488eb.jpg)
Response.Write("<br/>返回指定的路径字符串的扩展名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/0e96a9301db6edd4a8018eeb.jpg)
Response.Write(System.IO.Path.GetExtension(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/cf8a0e995f9319456f068ceb.jpg)
Response.Write("<br/>返回指定路径字符串的文件名和扩展名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/8faffa08969448d80b7b82eb.jpg)
Response.Write(System.IO.Path.GetFileName(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/48a8ab95f0e957457af480eb.jpg)
Response.Write("<br/>返回不具有扩展名的指定路径字符串的文件名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/2cd5b40887665f9c63d986eb.jpg)
Response.Write(System.IO.Path.GetFileNameWithoutExtension(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/5d5abcd19c4ba79e562c84eb.jpg)
Response.Write("<br/>获取指定路径的根目录信息。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/447744d357bf4492a8ec9aeb.jpg)
Response.Write(System.IO.Path.GetPathRoot(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/7182a7dfab7fdf5e622798eb.jpg)
Response.Write("<br/>返回随机文件夹名或文件名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/8f423c1367b4379df6039eeb.jpg)
Response.Write(System.IO.Path.GetRandomFileName());
![](http://hiphotos.baidu.com/yueliangquan/pic/item/4589d4d0f190c4c2a1ec9ceb.jpg)
Response.Write("<br/>创建磁盘上唯一命名的零字节的临时文件并返回该文件的完整路径。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/d1ad278fa87f5db7503d92eb.jpg)
Response.Write(System.IO.Path.GetTempFileName());
![](http://hiphotos.baidu.com/yueliangquan/pic/item/8642befa5bae73da58ee90eb.jpg)
Response.Write("<br/>返回当前系统的临时文件夹的路径。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/77939097557d682054fb96eb.jpg)
Response.Write(System.IO.Path.GetTempPath());
![](http://hiphotos.baidu.com/yueliangquan/pic/item/7f408b6d5b68e7b6421694eb.jpg)
Response.Write("<br/>确定路径是否包括文件扩展名。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/735504fb5385386f4e4aeaeb.jpg)
Response.Write(System.IO.Path.HasExtension(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/65b8db225dd975e94723e8eb.jpg)
Response.Write("<br/>获取一个值,该值指示指定的路径字符串是包含绝对路径信息还是包含相对路径信息。<br/>");
![](http://hiphotos.baidu.com/yueliangquan/pic/item/69e496a452b05cba9152eeeb.jpg)
Response.Write(System.IO.Path.IsPathRooted(filePath));
![](http://hiphotos.baidu.com/yueliangquan/pic/item/608dbff786c1cd6f730eeceb.jpg)
![](http://hiphotos.baidu.com/yueliangquan/pic/item/54a0baf3cd592e860b46e0eb.jpg)
![](http://hiphotos.baidu.com/yueliangquan/pic/item/f164cdcb16d5a752bf09e6eb.jpg)
文件路径:E:/Randy0528/中文目录/JustTest.rar
![](http://hiphotos.baidu.com/yueliangquan/pic/item/2ce8441fa09a3e2ef724e4eb.jpg)
更改路径字符串的扩展名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/98a7dd63d6b73e2d0d33faeb.jpg)
E:/Randy0528/中文目录/JustTest.txt
![](http://hiphotos.baidu.com/yueliangquan/pic/item/d08add602ea0d209eaf8f8eb.jpg)
返回指定路径字符串的目录信息。。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/2a9d3144cf6b4f01500ffeeb.jpg)
E:/Randy0528/中文目录
![](http://hiphotos.baidu.com/yueliangquan/pic/item/cd56ac4c779c8cb4d62afceb.jpg)
返回指定的路径字符串的扩展名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/77a16ff9ffb93514242df2eb.jpg)
.rar
![](http://hiphotos.baidu.com/yueliangquan/pic/item/0383622a04a761d6023bf6eb.jpg)
返回指定路径字符串的文件名和扩展名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/0e9a829b2da80ef8c8eaf4eb.jpg)
JustTest.rar
![](http://hiphotos.baidu.com/yueliangquan/pic/item/2595edb5f979408337d3caeb.jpg)
返回不具有扩展名的指定路径字符串的文件名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/ef44a3ce04408074b700c8eb.jpg)
JustTest
![](http://hiphotos.baidu.com/yueliangquan/pic/item/b72116ec01690470279791eb.jpg)
获取指定路径的根目录信息。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/107d633982936fbe3b87ceeb.jpg)
E:/
![](http://hiphotos.baidu.com/yueliangquan/pic/item/90ae8cf30c14bc1d342acceb.jpg)
返回随机文件夹名或文件名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/1c295f500db993111138c2eb.jpg)
ct2h5b2h.sed
![](http://hiphotos.baidu.com/yueliangquan/pic/item/3696e543c761e75c9213c6eb.jpg)
创建磁盘上唯一命名的零字节的临时文件并返回该文件的完整路径。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/dd5c0411ad80e533cb80c4eb.jpg)
C:/Documents and Settings/Randy/Local Settings/Temp/tmpAD.tmp
![](http://hiphotos.baidu.com/yueliangquan/pic/item/b5bd067e8a1330750dd7daeb.jpg)
返回当前系统的临时文件夹的路径。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/ec2ed3384e44c46e96ddd8eb.jpg)
C:/Documents and Settings/Randy/Local Settings/Temp/
![](http://hiphotos.baidu.com/yueliangquan/pic/item/2a792723d34ef409ac34deeb.jpg)
确定路径是否包括文件扩展名。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/b1731744eba70ccfb3b7dceb.jpg)
True
![](http://hiphotos.baidu.com/yueliangquan/pic/item/8b9aef82fa2485ef0df4d2eb.jpg)
获取一个值,该值指示指定的路径字符串是包含绝对路径信息还是包含相对路径信息。
![](http://hiphotos.baidu.com/yueliangquan/pic/item/941966a2466764e0caefd0eb.jpg)
True