【轉載】Printf 格式化簡要總結
發布時間：2009-8-4 12:20
發布者：
原野之狼
|
|
|
|
格式代碼 |
A |
ABC |
ABCDEFGH |
|
%S |
A |
ABC |
ABCDEFGH |
|
%5S |
####A |
##ABC |
ABCDEFGH |
|
%.5S |
A |
ABC |
ABCDE |
|
%5.5S |
####A |
##ABC |
ABCDE |
|
%-5S |
A#### |
ABC## |
ABCDEFGH |
Printf 格式化字符串
|
格式代碼 |
1 |
-12 |
12345 |
123456789 |
|
%d |
1 |
-12 |
12345 |
123456789 |
|
%6d |
#####1 |
###-12 |
#12345 |
123456789 |
|
%.4d |
0001 |
-0012 |
12345 |
123456789 |
|
%6.4d |
##0001 |
#-0012 |
#12345 |
123456789 |
|
%-4d |
1#### |
-12# |
12345 |
123456789 |
|
%04d |
0001 |
-012 |
12345 |
123456789 |
|
%+d |
+1 |
-12 |
+12345 |
+123456789 |
Printf格式化整型數值
|
格式代碼 |
1 |
.01 |
.00012345 |
12345.6789 |
|
%f |
1.000000 |
0.010000 |
0.000123 |
12345.678900 |
|
%10.2d |
######1.00 |
#####0.01 |
######0.00 |
##12345.67 |
|
%e |
1.000000e+00 |
1.000000e-02 |
1.234500e-04 |
1.234568e+04 |
|
%.4e |
1.0000e+00 |
1.0000e-02 |
1.2345e-04 |
1.2346e+04 |
|
%g |
1 |
0.01 |
0.00012345 |
12345.7 |
|
格式代碼 |
6.023e23 |
|
%f |
60229999999999975882752.000000 |
|
%10.2e |
60229999999999975882752.00 |
|
%e |
6.023000e+23 |
|
%.4e |
6.0230e+23 |
|
%g |
6.023e+23 |
Printf格式化浮點值
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