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作者 Swing的Jpanel
EVO





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於 2004-07-13 22:17 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
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請問何時要用到Jpanel?

我看書裡的範列程式,有的有Jpanel,有的則沒!
可是不管有沒有Jpanel,一樣都能設置版面(元件)!
有Jpanel和沒有Jpanel有差嗎?


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作者 Re:Swing的Jpanel [Re:EVO]
nelsonsnp





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於 2004-07-14 09:29 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
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Jpanel==>平板元件
要放入元件,我記得應該是跟Container有關吧?
//精采JAVA2書上寫的:
容器(Container)是指具有包含其他元件功能的元件,這些元件是以
Container為基礎類別的子類別,例如JFrame,Window,JPanel等等


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作者 Re:Swing的Jpanel [Re:nelsonsnp]
EVO





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於 2004-07-14 14:10 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
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nelsonsnp wrote:
Jpanel==>平板元件
要放入元件,我記得應該是跟Container有關吧?
//精采JAVA2書上寫的:
容器(Container)是指具有包含其他元件功能的元件,這些元件是以
Container為基礎類別的子類別,例如JFrame,Window,JPanel等等


你的意思是Jpanel是個元件?
可是我看DEITEL的HOW TO PROGRAM(3rd)
書裡對Jpanel的描述是"可放置元件的GUI容器"
所以才會有此疑惑的!


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作者 Re:Swing的Jpanel [Re:EVO]
cocokelly





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於 2004-07-14 19:41 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
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JPanel是一種元件沒錯,不過是專門用來放原件之用的!好比說我希望在NORTH的地方同時放兩個以上的元件,但是依Java的GUI,North內只能放一個元件,因此,我們會在North的地方放入一個JPanel,然後在JPanel內加入兩個元件,一個在左一個在右,如此一來在North的方位就可以放入兩個以上的元件了!

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作者 Re:Swing的Jpanel [Re:cocokelly]
EVO





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於 2004-07-14 21:00 user profilesend a private message to userreply to postreply to postsearch all posts byselect and copy to clipboard. 
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cocokelly wrote:
JPanel是一種元件沒錯,不過是專門用來放原件之用的!好比說我希望在NORTH的地方同時放兩個以上的元件,但是依Java的GUI,North內只能放一個元件,因此,我們會在North的地方放入一個JPanel,然後在JPanel內加入兩個元件,一個在左一個在右,如此一來在North的方位就可以放入兩個以上的元件了!


我完全明白了!
這就是我想要的解答!
謝謝你詳細的解說!Smile


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