将小数点英尺转换为英尺和英寸?
问题描述:
我会如何将测量值从12.5英尺转换为12英尺6英寸?如何创建第二个数字,乘以12时只读取小数位?将小数点英尺转换为英尺和英寸?
现在我有使用其他变量和一些数学双Measurement01让我的脚在小数。我用farf.setText(Measurement01 +“”+“ft”)将它发送到textview;
任何帮助,将不胜感激!
答
的。减去整数部分:
float measurement = 12.5;
int feet = (int)measurement;
float fraction = measurement - feet;
int inches = (int)(12.0 * fraction);
答
@ Ry4an的答案建立在:
//... Other code above
float Measurement01 = 12.5;
int feet = (int)Measurement01;
float fraction = Measurement01 - feet;
int inches = (int)(12.0 * fraction);
// Display like: 2.5 = 2 ft 6 in, 0.25 = 3 in, 6.0 = 6 ft
farf.setText((0 != feet ? feet + " ft" : "") + (0 != inches ? " " + inches + " in" : ""));
答
很简单,这里length
是浮点长度:
int feet = (int)length;
int inches = (length - feet) * 12.0;
: :
farf.setText (feet + " ft, " + inches + " inches");