jpasswordfield.html

API資料大全

   preferred width will be whatever naturally results from
   the component implementation.</DL>
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<B>Method Detail</B></FONT></TD>
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<A NAME="getUIClassID()"><!-- --></A><H3>
getUIClassID</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>getUIClassID</B>()</PRE>
<DL>
<DD>Returns the name of the L&F class that renders this component.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../javax/swing/JTextField.html#getUIClassID()">getUIClassID</A></CODE> in class <CODE><A HREF="../../javax/swing/JTextField.html">JTextField</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>"PasswordFieldUI"<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JComponent.html#getUIClassID()"><CODE>JComponent.getUIClassID()</CODE></A>, 
<A HREF="../../javax/swing/UIDefaults.html#getUI(javax.swing.JComponent)"><CODE>UIDefaults.getUI(javax.swing.JComponent)</CODE></A></DL>
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<A NAME="getEchoChar()"><!-- --></A><H3>
getEchoChar</H3>
<PRE>
public char <B>getEchoChar</B>()</PRE>
<DL>
<DD>Returns the character to be used for echoing.  The default is '*'.<DD><DL>
<DT><B>Returns:</B><DD>the echo character, 0 if unset<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JPasswordField.html#setEchoChar(char)"><CODE>setEchoChar(char)</CODE></A>, 
<A HREF="../../javax/swing/JPasswordField.html#echoCharIsSet()"><CODE>echoCharIsSet()</CODE></A></DL>
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<A NAME="setEchoChar(char)"><!-- --></A><H3>
setEchoChar</H3>
<PRE>
public void <B>setEchoChar</B>(char&nbsp;c)</PRE>
<DL>
<DD>Sets the echo character for this JPasswordField.  Note 
 that this is largely a suggestion to the view as the
 view that gets installed can use whatever graphic techniques
 it desires to represent the field.  Setting a value of 0 unsets
 the echo character.<DD><DL>
<DT><B>Parameters:</B><DD><CODE>c</CODE> - the echo character to display<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JPasswordField.html#echoCharIsSet()"><CODE>echoCharIsSet()</CODE></A>, 
<A HREF="../../javax/swing/JPasswordField.html#getEchoChar()"><CODE>getEchoChar()</CODE></A></DL>
</DD>
</DL>
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<A NAME="echoCharIsSet()"><!-- --></A><H3>
echoCharIsSet</H3>
<PRE>
public boolean <B>echoCharIsSet</B>()</PRE>
<DL>
<DD>Returns true if this JPasswordField has a character set for
 echoing.  A character is considered to be set if the echo character
 is not 0.<DD><DL>
<DT><B>Returns:</B><DD>true if a character is set for echoing<DT><B>See Also: </B><DD><A HREF="../../javax/swing/JPasswordField.html#setEchoChar(char)"><CODE>setEchoChar(char)</CODE></A>, 
<A HREF="../../javax/swing/JPasswordField.html#getEchoChar()"><CODE>getEchoChar()</CODE></A></DL>
</DD>
</DL>
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<A NAME="cut()"><!-- --></A><H3>
cut</H3>
<PRE>
public void <B>cut</B>()</PRE>
<DL>
<DD>Normally transfers the currently selected range in the associated
 text model to the system clipboard, removing the contents
 from the model.  This is not a good thing for a password field
 and is reimplemented to simply beep.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../javax/swing/text/JTextComponent.html#cut()">cut</A></CODE> in class <CODE><A HREF="../../javax/swing/text/JTextComponent.html">JTextComponent</A></CODE></DL>
</DD>
</DL>
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<A NAME="copy()"><!-- --></A><H3>
copy</H3>
<PRE>
public void <B>copy</B>()</PRE>
<DL>
<DD>Normally transfers the currently selected range in the associated
 text model to the system clipboard, leaving the contents
 in the text model.  This is not a good thing for a password field
 and is reimplemented to simply beep.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../javax/swing/text/JTextComponent.html#copy()">copy</A></CODE> in class <CODE><A HREF="../../javax/swing/text/JTextComponent.html">JTextComponent</A></CODE></DL>
</DD>
</DL>
<HR>

<A NAME="getText()"><!-- --></A><H3>
getText</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>getText</B>()</PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java 2 platform v1.2,
 replaced by <code>getPassword()</code>.</I>
<P>
<DD>Returns the text contained in this TextComponent.  If the underlying
 document is null, will give a NullPointerException.  
 <p>
 For security reasons, this method is deprecated.  Use the
 getPassword method instead.<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../javax/swing/text/JTextComponent.html#getText()">getText</A></CODE> in class <CODE><A HREF="../../javax/swing/text/JTextComponent.html">JTextComponent</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the text</DL>
</DD>
</DL>
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<A NAME="getText(int, int)"><!-- --></A><H3>
getText</H3>
<PRE>
public <A HREF="../../java/lang/String.html">String</A> <B>getText</B>(int&nbsp;offs,
                      int&nbsp;len)
               throws <A HREF="../../javax/swing/text/BadLocationException.html">BadLocationException</A></PRE>
<DL>
<DD><B>Deprecated.</B>&nbsp;<I>As of Java 2 platform