通过pandas.to_csv将numpy数组保存到csv
import pandas as pd arr1 = np.arange(100).reshape(10,10) #data1 = pd.DataFrame(arr1) data1 = pd.DataFrame(arr1, header = False, index = False) # header:原第一行的索引，index:原第一列的索引 data1.to_csv('data1.csv')