有时候double型数据需要toString(),但又想保留小数,当值为整数,比如3.00时tostring后会变为”3″,具体说明见下:
1 |
string str0 = i.ToString("f"); //25.00 |
2 |
string str1 = i.ToString("f1"); //25.0 |
3 |
string str2 = i.ToString("f2"); //25.00 |
4 |
string str3 = i.ToString("f3"); //25.000 |
5 |
string str4 = i.ToString("f4"); //25.0000 |
其他方式的如下:
1 |
int i = 111125; |
2 |
string str0 = i.ToString("n"); //111,125.00 |
3 |
string str1 = i.ToString("n1"); //111,125.0 |
4 |
string str2 = i.ToString("n2"); //111,125.00 |
5 |
string str3 = i.ToString("n3"); //111,125.000 |
6 |
string str4 = i.ToString("n4"); //111,125.0000 |
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