在loop中修改str

osdak

大大,

想請教, 如果我有5個array, 比如:

HHV1 = HHV(Open, 1);
HHV2 = HHV(Open, 2);
HHV3 = HHV(Open, 3);
HHV4 = HHV(Open, 4);
HHV5 = HHV(Open, 5);

但如果我不想寫5行AFL, 我想用loop自動幫ARRAY命名, 和幫他定義, 比如:

for( i = 1; i < 5; i++ )
{
HHV+"i" = HHV(Open, "i");
}


我知道上面的loop是錯誤, 但我只想帶出我的意思, 請問應該如何改為正確?

thanks.

joshsmi

See dynamic variables

1. 
   
2. for( i = 1; i < 6; i++ )
   
3. {
   
4.     VarSet( "HHV" + i, HHV(O, i ) );
   
5. }
   

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Then either use VarGet to call them back

1. 
   
2. for( i = 1; i < 6; i++ )
   
3. {
   
4.     Plot( VarGet( "HHV" + i ), "HHV" + i, colorRed, styleline );
   
5. }
   

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or picking single variable i.e

1. 
   
2. Plot( HHV1, "HHV1", colorRed, styleline );
   

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etc.


On the other and if you already have a ready list of variables like

1. 
   
2. HHV1 = HHV(Open, 1);
   
3. HHV2 = HHV(Open, 2);
   
4. HHV3 = HHV(Open, 3);
   
5. HHV4 = HHV(Open, 4);
   
6. HHV5 = HHV(Open, 5);
   

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then you can also call those ones via VarGet, i.e.

1. 
   
2. for( i = 1; i < 6; i++ )
   
3. {
   
4.     Plot( VarGet( "HHV" + i ), "HHV" + i, colorRed, styleline );
   
5. }
   

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osdak

joshsmi 發表於 14-11-29 04:02
See dynamic variables

Thanks Joshsmi.

One more question, if i wanna pick one of the elements from the array, by using VarGet, how can I do that? I tried:




HHV5 = HHV(Open, 5);


no7element = VarGet("HHV" + 5 + "[7]");


I wanted to pick the 7th element from the array HHV5, but it's failed.


thanks!

saucer

osdak 發表於 14-11-29 12:11
Thanks Joshsmi.

One more question, if i wanna pick one of the elements from the array, by using V ...

除非 AB有提供其他便捷方式

不然就是倒出來再取

buf = VarGet("HHV" + 5);

no7element = buf[7] ;

osdak

saucer 發表於 14-11-29 13:01
除非 AB有提供其他便捷方式

不然就是倒出來再取

是, 謝謝. 我剛剛也是用這方法. 只是想看看有沒有更快的^_^

joshsmi

If you just pick on variable then simply use

no7element = HHV5[7];

no need for varget

Otherwise if it is all variables and you need to loop barcount then I would do it this way.

1. 
   
2. for ( x = 1; x <= xmax; x++ )
   
3. {  
   
4.         var = VarGet( tablename + x );
   
5.         //
   
6.         for ( i = 0; i < BarCount; i++ )
   
7.           {
   
8.             if( var[i] ....
   
9.          ....
   
10. 
    

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or whatever