| 者，如果您能从 前期文章 体会到 “复制和粘贴是面向对象编 程的最低级形式” 的话，您可以把常用字段提取到一个局部模板并在 show.gsp 和 edit.gsp 中呈现它 ）。清单 9 展示了修改后的 edit.gsp：
清单 9. 修改 edit.gsp
<g:form method="post" >
<input type="hidden" name="id" value="${airport?.id}" />
<div class="dialog">
<table>
<tbody>
<tr class="prop">
<td valign="top" class="name"><label for="iata">Iata:</label></td>
<td valign="top"
class="value ${hasErrors(bean:airport,field:''iata'',''errors'')}">
<input type="text"
maxlength="3"
id="iata"
name="iata"
value="${fieldValue(bean:airport,field:''iata'')}"/>
</td>
</tr>
<tr class="prop">
<td valign="top" class="name"><label for="city">City:</label></td>
<td valign="top"
class="value ${hasErrors(bean:airport,field:''city'',''errors'')}">
<input type="text"
id="city"
name="city"
value="${fieldValue(bean:airport,field:''city'')}"/>
</td>
</tr>
<tr class="prop">
<td valign="top" class="name">Name:</td>
<td valign="top" class="value">${airport.name}</td>
</tr>
<tr class="prop">
<td valign="top" class="name">State:</td>
<td valign="top" class="value">${airport.state}</td>
</tr>
<tr class="prop">
<td valign="top" class="name">Country:</td>
<td valign="top" class="value">${airport.country}</td>
</tr>
<tr class="prop">
<td valign="top" class="name">Lat:</td>
<td valign="top" class="value">${airport.lat}</td>
</tr>
<tr class="prop">
<td valign="top" class="name">Lng:</td>
<td valign="top" class="value">${airport.lng}</td>
</tr>
</tbody>
</table>
</div>
<div class="buttons">
<span class="button"><g:actionSu
|
