eclipse设置默认编码格式utf-8

需要设置的几处地方为：

Window->Preferences->General->Workspace 面板Text file encoding 选择UTF-8

Window->Preferences->General ->Content Type->Text->JSP 最下面设置为UTF-8

Window->Preferences->Web->JSP Files 面板选择 ISO 10646/Unicode(UTF-8)