?? setvalue.html
字號:
<HTML>
<HEAD>
<META http-equiv="Content-Type" content="text/html; charset=UTF-8">
<TITLE>Getting and Setting a Cell Value in a JTable Component
(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>
>
<A HREF="../index.html">List of Packages</A>
>
<B><A HREF="../javax.swing.table/pkg.html">javax.swing.table</A></B><font color="#666666" SIZE="-2">
[62 examples]
</font>
>
<B><A HREF="../javax.swing.table/pkg.html#Cells">Cells</A></B><font color="#666666" SIZE="-2">
[5 examples]
</font>
</DIV><P>
<h3>
e925.
Getting and Setting a Cell Value in a JTable Component</h3>
<pre>
// Retrieve the value in the visible cell (1,2)
int rowIndex = <font color="#0066ff"><i>1</i></font>;
int vColIndex = <font color="#0066ff"><i>2</i></font>;
Object o = <font color="#0066ff"><i>table</i></font>.getValueAt(rowIndex, vColIndex);
// Retrieve the value in cell (1,2) from the model
rowIndex = <font color="#0066ff"><i>1</i></font>;
int mColIndex = <font color="#0066ff"><i>2</i></font>;
o = <font color="#0066ff"><i>table</i></font>.getModel().getValueAt(rowIndex, mColIndex);
// Change a cell in the 2nd visible column
rowIndex = <font color="#0066ff"><i>2</i></font>;
vColIndex = <font color="#0066ff"><i>1</i></font>;
<font color="#0066ff"><i>table</i></font>.setValueAt(<font color="#0066ff"><i>"New Value"</i></font>, rowIndex, vColIndex);
// Change a cell in the 3rd column in the model
rowIndex = <font color="#0066ff"><i>3</i></font>;
mColIndex = <font color="#0066ff"><i>2</i></font>;
<font color="#0066ff"><i>table</i></font>.getModel().setValueAt(<font color="#0066ff"><i>"New Value"</i></font>, rowIndex, mColIndex);
</pre>
<P><table width="600" CELLSPACING="0" CELLPADDING="2" BORDER="0">
<tr>
<td bgcolor="#6666cc" align="center"><font color="#ffffff">
Related Examples
</font></td>
</tr>
</table>
e926. <a class="eglink" href="DefRender.html?l=rel">
Using Built-in Cell Renderers and Editors in a JTable Component
</a>
<br>
e927. <a class="eglink" href="CustRend.html?l=rel">
Creating a Custom Cell Renderer in a JTable Component
</a>
<br>
e928. <a class="eglink" href="CustRendClass.html?l=rel">
Creating a Class-based Custom Cell Renderer in a JTable Component
</a>
<br>
e929. <a class="eglink" href="CopyPaste.html?l=rel">
Copying Cell Values to the Clipboard from a JTable Component
</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.table/pkg.html?l=rel#Column%20Heads">
Column Heads
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Columns">
Columns
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Editing">
Editing
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Events">
Events
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Layout">
Layout
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Rows">
Rows
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Scrolling">
Scrolling
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Selection">
Selection
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Sorting">
Sorting
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Table%20Model">
Table Model
</a>
<a class="eglink" href="/egs/javax.swing.table/pkg.html?l=rel#Tool%20Tips">
Tool Tips
</a>
</td>
</tr>
</table>
<br>
<br>
<FONT FACE="Verdana, Arial, Helvetica, sans-serif" SIZE="0">
© 2002 Addison-Wesley.
</FONT>
</BODY>
</HTML>
?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -