strtofloat 简单的问题(50)

W

wlyft

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• 2009-05-26

• #1

monenyi,cashi,borrowi:double;monenyi:=3402.7edit3.text:='3399';monenyi:=monenyi-strtofloat(edit3.text) ;showmessage(floatstr(monenyi))竟然会是3.6999999999982而不是3.7这是怎么回事????怎么办?

 

Z

znxia

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• 2009-05-26

• #2

monenyi,cashi,borrowi:Currency ;即可

 

Z

zkktom

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• 2009-05-26

• #3

进行四舍五入法啊formatfloat('0.00',money);

 

L

liuls

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• 2009-05-26

• #4

准确地说应该是:FormatFloat('0.00', money + 0.001);

 

W

wlyft

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• 2009-05-27

• #5

多人接受答案了。