Cof*_*fee 0 java apache apache-tika
我正试图从电子邮件中提取"主题"字段,但遇到了一些麻烦.我已经能够获得"To"和"From"字段,如下所示:
String messageTo = tikaMetadata.MESSAGE_TO; //Works fine
String toField = tikaMetadata.get(messageTo); //Works fine
System.out.println("From field is : " + fromField); //Works fine
System.out.println("To field is : " + toField); //Works fine
String messageSubj = tikaMetadata.getValues("Message:Raw-Header:Subject");
String subjField = tikaMetadata.get(messageTo); //Doesn't Work
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我们如何使用Tika提取主题领域?任何提示有用的谢谢