getfiletype.html

来自「java类库详细讲解」· HTML 代码 · 共 155 行

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<TITLE>Getting the File-Type Name of a File
(Java Developers Almanac Example)
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  <h3>
    e892.  
    Getting the File-Type Name of a File</h3>

Files and directories have a type, usually based on their
extension. This example retrieves the name of the file type.  Examples
of file-type names include <font color="#0066ff"><i>Java Source</i></font> and <font color="#0066ff"><i>Shortcut</i></font>.
This name is displayed with the filename in a file chooser dialog.


<pre>
    JFileChooser chooser = new JFileChooser();
    
    // Create a File instance of the file
    File file = new File(<font color="#0066ff"><i>"filename.txt"</i></font>);
    
    // Get the file type name
    String fileTypeName = chooser.getTypeDescription(file);
    // Text Document
</pre>
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            &nbsp;Related Examples
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e886. <a class="eglink" href="CreateDlg.html?l=rel">
    Creating a JFileChooser Dialog
</a>
<br>

e887. <a class="eglink" href="DirOnly.html?l=rel">
    Displaying Only Directories in a File Chooser Dialog
</a>
<br>

e888. <a class="eglink" href="Filter.html?l=rel">
    Adding a Filter to a File Chooser Dialog
</a>
<br>

e889. <a class="eglink" href="Done.html?l=rel">
    Determining If the Approve or Cancel Button Was Clicked in a JFileChooser Dialog
</a>
<br>

e890. <a class="eglink" href="CurDir.html?l=rel">
    Getting and Setting the Current Directory of a JFileChooser Dialog
</a>
<br>

e891. <a class="eglink" href="CurFile.html?l=rel">
    Getting and Setting the Selected File of a JFileChooser Dialog
</a>
<br>

e893. <a class="eglink" href="Copy.html?l=rel">
    Copying the Filename Path from a JFileChooser Dialog to the Clipboard
</a>
<br>


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        See also: 
<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Events">
    Events
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Hidden%20Files">
    Hidden Files
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Icons">
    Icons
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Layout">
    Layout
</a>&nbsp;&nbsp;

<a class="eglink" href="/egs/javax.swing.filechooser/pkg.html?l=rel#Selections">
    Selections
</a>&nbsp;&nbsp;

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