selection.html

来自「java类库详细讲解」· HTML 代码 · 共 160 行

HTML
160 行
字号 
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<TITLE>Using the Selection of a JTextComponent
(Java Developers Almanac Example)
</TITLE>
<META CONTENT="Patrick Chan" NAME="AUTHOR">
<META CONTENT="Code Examples from The Java Developers Almanac 1.4" NAME="DESCRIPTION">
<META CONTENT="Addison-Wesley/Patrick Chan" NAME="OWNER">
<META CONTENT="3/20/02" NAME="revision">
<STYLE TYPE="text/css">
<!--     BODY CODE  {font-family: Courier, Monospace;           font-size: 11pt}    TABLE, BODY          {font-family: Verdana, Arial, Helvetica, sans-serif;           font-size: 10pt}    PRE   {font-family: Courier, Monospace;           font-size: 10pt}    H3    {font-family: Verdana, Arial, Helvetica, sans-serif;           font-size: 11pt}    A.eglink {text-decoration: none}    A:hover.eglink {text-decoration: underline}    -->
</STYLE>
</HEAD>
<BODY>
<TABLE CELLSPACING="0" CELLPADDING="0" BORDER="0">
<TR>
<TD rowspan="3"><A HREF="/?l=ex"><IMG BORDER="0" ALIGN="BOTTOM" HSPACE="10" SRC="/egs/almanac14a.jpg"></A></TD><TD VALIGN="top"><font face="Times" size="6"><b>The Java Developers Almanac 1.4</b></font>
<br>
        Order this book from <a href="/cgi-bin/scripts/redirect.pl?l=ex&url=http://www.amazon.com/exec/obidos/ASIN/0201752808/xeo">Amazon</a>.
    </TD>
</TR>
<TR>
<TD align="right" valign="bottom">
<FORM method="get" action="/cgi-bin/search/find.pl">
<INPUT size="25" name="words" type="text"><INPUT value="Search" type="submit">
</FORM>
</TD>
</TR>
</TABLE>
<HR color="#6666cc">
<DIV ALIGN="LEFT">
<A HREF="/">Home</A>
    &gt;
    <A HREF="../index.html">List of Packages</A>
    &gt;
    <B><A HREF="../javax.swing.text/pkg.html">javax.swing.text</A></B><font color="#666666" SIZE="-2">
        &nbsp;[49 examples]
        </font>
        &gt;
        <B><A HREF="../javax.swing.text/pkg.html#Caret%20and%20Selection">Caret and Selection</A></B><font color="#666666" SIZE="-2">
            &nbsp;[3 examples]
            </font>
</DIV><P>
  <h3>
    e999.  
    Using the Selection of a JTextComponent</h3>



<pre>
    JTextComponent c = new JTextArea();
    
    // Get text inside selection
    c.getSelectedText();
    
    // Replace selected text
    c.replaceSelection(<font color="#0066ff"><i>"replacement text"</i></font>);
    
    // Set the start of the selection; ignored if new start is &lt; end
    c.setSelectionStart(<font color="#0066ff"><i>10</i></font>);
    
    // Set the end of the selection; ignored if new end is &gt; start
    c.setSelectionEnd(<font color="#0066ff"><i>20</i></font>);
    
    // Better way to set the selection
    c.select(<font color="#0066ff"><i>10</i></font>, <font color="#0066ff"><i>20</i></font>);
    
    // Set the color of text inside the selection
    c.setSelectedTextColor(<font color="#0066ff"><i>Color.red</i></font>);
    
    // Set the color behind the selected text
    c.setSelectionColor(<font color="#0066ff"><i>Color.green</i></font>);
</pre>
<P><table width="600" CELLSPACING="0" CELLPADDING="2" BORDER="0">
<tr>
<td bgcolor="#6666cc" align="center"><font color="#ffffff">
            &nbsp;Related Examples
        </font></td>
</tr>
</table>


e997. <a class="eglink" href="Caret.html?l=rel">
    Moving the Caret of a JTextComponent
</a>
<br>

e998. <a class="eglink" href="Blink.html?l=rel">
    Setting the Blink Rate of a JTextComponent's Caret
</a>
<br>


<table width="600" CELLSPACING="0" CELLPADDING="2" BORDER="0">
<tr>
<td align="left">
<br>
        See also: 
<a class="eglink" href="/egs/javax.swing.text/pkg.html?l=rel#Actions%20and%20Key%20Bindings">
    Actions and Key Bindings
</a>&nbsp;&nbsp;

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

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

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

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

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

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

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

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

</td>
</tr>
</table>

<br>

<br>
<FONT FACE="Verdana, Arial, Helvetica, sans-serif" SIZE="0">
&copy; 2002 Addison-Wesley.
</FONT>
</BODY>
</HTML>

selection.html - 源码说明

本页面展示了「java类库详细讲解」中的 selection.html 源码文件，采用 HTML 编程语言编写，共 160 行代码。您可以在线阅读完整代码内容，也可以返回资源详情页下载完整源码包进行本地学习和开发。

虫虫下载站收录了大量与java相关的技术资源，包括源代码、技术文档、电路图等，是电子工程师和嵌入式开发者的专业学习平台。

⌨️ 快捷键说明

复制代码Ctrl + C
搜索代码Ctrl + F
全屏模式F11
增大字号Ctrl + =
减小字号Ctrl + -
显示快捷键?