Visual Studio 2019修改编码UTF-8

Python中读取txt文本出现“ 'gbk' codec can't decode byte 0xbf in position 2: illegal multibyte sequence”的解决办法

文件读取与写入:

1.读取

tf = open("D:\\月_子_疏\\Python--2021\\Pyword.txt",encoding='utf-8')
print(tf.readline())
tf.close()
# 中国是个伟大的国家

tf = open("D:\\月_子_疏\\Python--2021\\Pyword.txt","rb")
print(tf.readline())
tf.close()
# b'\xe4\xb8\xad\xe5\x9b\xbd\xe6\x98\xaf\xe4\xb8\xaa\xe4\xbc\x9f\xe5\xa4\xa7\xe7\x9a\x84\xe5\x9b\xbd\xe5\xae\xb6'

 

file = open("D:\\月_子_疏\\Python--2021\\Pyword.txt",encoding = "utf-8")
print(file.read(2))          # 读取前 size 个字符,如果无参,全部读取并以字符串形式 read(size = -1) 
print(file.readline(7))      # 读取前size行,无参,读取一行 readline(size = -1)
print(file.readlines())     # 读取全部,如果有参数,读取前hint行,均产生列表形式 readlines(hint = -1)
file.close()
'''
中国
是个伟大的国家
['\n', '武汉是个英雄的城市']
'''
file = open("D:\\月_子_疏\\Python--2021\\Pyword.txt",encoding = "utf-8")
for line in file :
    print(line)
file.close()
'''
中国是个伟大的国家

武汉是个英雄的城市
'''

2.写入

file = open("D:\\月_子_疏\\Python--2021\\Pyword.txt",'w+')
temp = "我是分隔符\n"
ls = ["伟大的国家是中国","----","英雄的城市是武汉"]
file.write(temp)
file.writelines(ls)
file.seek(0)
for line in file :
    print(line)
file.close()
'''
我是分隔符

伟大的国家是中国----英雄的城市是武汉
'''

自动轨迹绘制:

import turtle as t
t.title("自动轨迹绘制")
t.setup(800,600,0,0)
t.pencolor("red")
t.pensize(5)
datals = []
file = open("D:\\月_子_疏\\Python--2021\\data.txt")
for line in file :
    line = line.replace("\n","")
    datals.append( list( map( eval,line.split(",") ) ) )
file.close()
for i in range(len(datals)) :
    t.pencolor(datals[i][3],datals[i][4],datals[i][5])
    t.fd(datals[i][0])
    if datals[i][1] :
        t.right(datals[i][2])
    else :
        t.left(datals[i][2])
t.done() 
'''
map() 会根据提供的函数对指定序列做映射。
        第一个参数 function 以参数序列中的每一个元素调用 function 函数,返回包含每次 function 函数返回值的新列表。
data.txt
300,0,144,1,0,0
300,0,144,0,1,0
300,0,144,0,0,1
300,0,144,1,1,0
300,0,108,0,1,1
184,0,72,1,0,1
184,0,72,0,0,0
184,0,72,0,0,0
184,0,72,0,0,0
184,1,72,1,0,1
184,1,72,0,0,0
184,1,72,0,0,0
184,1,72,0,0,0
184,1,72,0,0,0
184,1,720,0,0,0
'''

 

一、二维数据:

worldcloud:

 2021-03-10

posted on 2021-03-26 21:45  夜_归_人  阅读(150)  评论(0编辑  收藏  举报