读取csv的文件信息
with codecs.open(filename, mode, 'gb2312') as f:
reader = csv.reader()
y = list(reader)
x = y[0]
print len(x)列数, len(y)行数
with codecs.open(filename, mode, 'gb2312') as f:
reader = csv.reader()
y = list(reader)
x = y[0]
print len(x)列数, len(y)行数