明确精度即可
%.2f是两位小数,以此类推
最大好像16位?
double pi=M_PI; Print("pi = ",DoubleToString(pi,16)); double pi_3=NormalizeDouble(M_PI,3); Print("NormalizeDouble(pi,3) = ",DoubleToString(pi_3,16)) ; double pi_8=NormalizeDouble(M_PI,8); Print("NormalizeDouble(pi,8) = ",DoubleToString(pi_8,16)); double pi_0=NormalizeDouble(M_PI,0); Print("NormalizeDouble(pi,0) = ",DoubleToString(pi_0,16)); /* Result: pi= 3.1415926535897931 NormalizeDouble(pi,3)= 3.1419999999999999 NormalizeDouble(pi,8)= 3.1415926499999998 NormalizeDouble(pi,0)= 3.0000000000000000 */
NormalizeDouble( )
DoubleToString( )
兩個配合使用可以達到你要的 詳情可參閱幫助文件
如何打印出自动省略小数位后的零 ?
例如 :
3.14126000
1637.10
-93828.22100
用PrintFormat()函数如何自动省略0, 打印结果能得到这样 :
3.14126
1637.1
-93828.221
求大神指教, 谢谢!