Java obtains the current path and absolute path code

Current path

1. Use the System. getProperty () function to obtain the current path:

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System. out. println (System. getProperty ("user. dir"); // user. dir specifies the current path.

2. Use the function provided by File to obtain the current path:

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File directory = new File (""); // Set it to the current folder Try { System. out. println (directory. getCanonicalPath (); // Obtain the standard path. System. out. println (directory. getAbsolutePath (); // Obtain the absolute path. } Catch (shorttin e ){}

Absolute path

The following methods are generally used to obtain absolute paths in JAVA:

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Request. getRealPath () // This method has expired and is not recommended. This. getServletContext (). getRealPath () // used in SERVLET This. getServlet (). getServletContext (). getRealPath () // used in Struts Request. getSession (). getServletContext (). getRealPath ()

The obtained is the absolute URI path of the current classpath.

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Test. class. getResource ("/")

Obtain the true file path

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String file_real_path = ServletContext. getRealPath ("mypath/filename ");? Request. getRealPath ("/") is not recommended ("/");