JTable實現列自動適用內容寬度

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">    </SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">/*</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">     * </SPAN>使表格自動適應內容調整列大小<SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">     */</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">    </SPAN>public<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN>void<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> fitTableColumns(JTable myTable){</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> </SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">         JTableHeader header = myTable.getTableHeader();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">            </SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> rowCount = myTable.getRowCount();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">            Enumeration columns = myTable.getColumnModel().getColumns();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">            </SPAN>while<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">(columns.hasMoreElements()){</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                TableColumn column = (TableColumn)columns.nextElement();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                </SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> col = header.getColumnModel().getColumnIndex(column.getIdentifier());</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                </SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> width = (</SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">)myTable.getTableHeader().getDefaultRenderer()</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                        .getTableCellRendererComponent(myTable, column.getIdentifier()</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                                , </SPAN>false<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">, </SPAN>false<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">, -1, col).getPreferredSize().getWidth();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                </SPAN>for<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">(</SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> row = 0; row<rowCount; row++){</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                    </SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> preferedWidth = (</SPAN>int<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">)myTable.getCellRenderer(row, col).getTableCellRendererComponent(myTable,</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                      myTable.getValueAt(row, col), </SPAN>false<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">, </SPAN>false<SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">, row, col).getPreferredSize().getWidth();</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                    width = Math.max(width, preferedWidth);</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                }</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                header.setResizingColumn(column); </SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">// </SPAN>此行很重要<SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">                column.setWidth(width+myTable.getIntercellSpacing().</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #0000c0; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">width</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"> + 4);</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: #3f7f5f; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">//4</SPAN>，值目的是使表格看起來不是那么擁擠，起到間隔作用<SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; TEXT-ALIGN: left; mso-layout-grid-align: none" align=left><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">            }</SPAN><SPAN lang=EN-US style="FONT-SIZE: 10pt; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt"></SPAN></P>

<P class=MsoNormal style="MARGIN: 0cm 0cm 0pt"><SPAN lang=EN-US style="FONT-SIZE: 10pt; COLOR: black; FONT-FAMILY: 'Courier New'; mso-font-kerning: 0pt">    }</SPAN></P>