本文介绍了如何使用a4j:repeat组件，该组件在生成页面时不产生任何标记。此外，还讨论了rich:columnGroup及其属性breakBefore=true的功能，这两者均可提供相似的分组功能。
chp7
1.Also, don’t forget you can use <a4j:repeat>, which doesn’t produce any markup at all. The
following code.
2.Both <rich:columnGroup> and breakBefore="true" provide the same functionality.
1.Also, don’t forget you can use <a4j:repeat>, which doesn’t produce any markup at all. The
following code.
2.Both <rich:columnGroup> and breakBefore="true" provide the same functionality.
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