虽说python3好像已经可以直接用pd.read_csv()读取中文路径了，但是今天读取的时候还是遇到了错误。从网上找了点解决的方法，用第一条可以解决。供大家参考
Solution 1:
import os
trainFile = "C:/Desktop/开放数据/transaction_TRAIN.csv"
pwd = os.getcwd()
os.chdir(os.path.dirname(trainFile))
trainData = pd.read_csv(os.path.basename(trainFile))
os.chdir(pwd)
Solution 2:
import pandas as pd
#以下三种等价(也有可能不等)，如果你一种不行换另一种吧
mydata = pd.read_csv(u"例子.csv",encoding = "gbk")
mydata = pd.read_csv(u"例子.csv",encoding = "gb2312")
mydata = pd.read_csv(u"例子.csv",encoding = "gb18030")
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