Adding New Headers 添加新的属性头
You can see from a quick read that there is a framework for adding headers, but right now, Accept-Encoding is not a header the developers deal with.
迅速浏览一下，您可以看到有一个用来添加头的框架，但此时 Accept-Encoding 并非开发者需要处理的头。
The HTTP digest authentication support has also been improved, and URLConnection header processing has been enhanced to support getting and adding headers directly.
HTTP摘要认证支持也已经得到改进，并且urlconnection头的处理已得到了增强，可以支持直接获取和添加头。
Given that, adding a title or column headers is easy: You just have to create a cell, specifying the desired stylename and nothing else (see Listing 14).
这样，添加一个标题和几个列头部就很简单了：只需创建一个单元并指定想要的stylename(参见清单14)。
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