您可以猴子补丁pandas.io.formats.format.IntArrayFormatter：
import contextlib
import numpy as np
import pandas as pd
import pandas.io.formats.format as pf
np.random.seed(2015)
@contextlib.contextmanager
def custom_formatting():
orig_float_format = pd.options.display.float_format
orig_int_format = pf.IntArrayFormatter
pd.options.display.float_format = '{:0,.2f}'.format
class IntArrayFormatter(pf.GenericArrayFormatter):
def _format_strings(self):
formatter = self.formatter or '{:,d}'.format
fmt_values = [formatter(x) for x in self.values]
return fmt_values
pf.IntArrayFormatter = IntArrayFormatter
yield
pd.options.display.float_format = orig_float_format
pf.IntArrayFormatter = orig_int_format
df = pd.DataFrame(np.random.randint(10000, size=(5,3)), columns=list('ABC'))
df['D'] = np.random.random(df.shape[0])*10000
with custom_formatting():
print(df)
产量
A B C D
0 2,658 2,828 4,540 8,961.77
1 9,506 2,734 9,805 2,221.86
2 3,765 4,152 4,583 2,011.82
3 5,244 5,395 7,485 8,656.08
4 9,107 6,033 5,998 2,942.53
在之外时with-statement：
print(df)
产量
A B C D
0 2658 2828 4540 8961.765260
1 9506 2734 9805 2221.864779
2 3765 4152 4583 2011.823701
3 5244 5395 7485 8656.075610
4 9107 6033 5998 2942.530551
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