Printf 格式化简要总结

格式代码 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   格式代码 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格式化整型数值   格式代码 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   格式代码 6.023e23 %f 60229999999999975882752.000000 %10.2e 60229999999999975882752.00 %e 6.023000e+23 %.4e 6.0230e+23 %g 6.023e+23                                                        Printf格式化浮点值

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