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1.2.2µ÷Õû(F)
Ò³¿í SheetSetting #setFitWidth(int);
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1.3Ö½ÕÅ´óС(Z) SheetSetting #setPaperSize (PaperSize);
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1.4ÆðʼҳÂë(R) SheetSetting #setPageStrart(int);[ĬÈÏ״̬]
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2.1ÉÏ(T) SheetSetting # setTopMargin (double);
2.2ÏÂ(B) SheetSetting # setBottomMargin (double);
2.3×ó(L) SheetSetting # setLeftMargin (double);
2.4ÓÒ(R) SheetSetting # setRightMargin (double);
2.5ҳü(A) SheetSetting #setHeaderMargin(double);
2.6Ò³½Å(F) SheetSetting #setFooterMargin(double);
2.7¾ÓÖз½Ê½
2.7.1ˮƽ(Z) SheetSetting # setHorizontalCentre (boolean);
2.7.2´¹Ö±(V) SheetSetting #setVerticallyCenter(boolean);
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3.1ҳüSheetSetting # setHeader£¨HeaderFooter£©;
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Java Éè¼ÆÄ£Ê½(12)

Observer
Intent
Define a one-to-many dependency between objects so that when one object changes state, all its dependents are notified and updated automatically.
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Subject
  
knows its observers. Any number of Observer objects may observe a subject.
  
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