while True: data = ser.read_all() if data: rec_str = data.decode('utf-8') print(rec_str) 这里我创建了两个虚拟的串口进行模拟,COM2向COM1发送了两次hello world,而Python端实现了COM1,监听来自COM2的消息,用read_all()方法读取接收到的数据,接收到的数据类型是bytes类型的,因此我们需要将bytes数组...
Python3 read_csv()报错codeDecodeError: 'utf-8' codec can't decode byte 0xc8 in position 0,程序员大本营,技术文章内容聚合第一站。
为了将这些十六进制数转换回字符串,我们可以使用Python的binascii模块: importbinascii# 将十六进制转换为字符串defhex_to_str(hex_text):returnbinascii.unhexlify(hex_text).decode('utf-8')# 读取文件并转换为字符串输出withopen('example.txt','r')asfile:content=file.read()print(hex_to_str(content)) ...
import pandas as pd file_path=r'E:\test_data\AdventureWorksDW-data-warehouse-install-script\DimAccount.csv' df = pd.read_csv(file_path,sep="|",encoding="utf-8",header=None,na_values='null',dtype=str) 运行后报错: UnicodeDecodeError: 'utf-8' codec can't decode byte 0xff in position ...
python 3 read_until方法 python read rb,文件操作分为读、写、修改一、读文件f=open(file='D:/工作日常/兼职白领学生空姐模特护士联系方式.txt',mode='r',encoding='utf-8')data=f.read()#表示读取所有内容,内容是已经转换完毕的字符串。f.close()#表示关闭文件file='D:/
f.write(str2.encode('utf-8')) f.close() tell(),seeek(),truncate() #除了read() 是以字符为单位读取,其他的是以字节为单位读取f= open('test_1','r',encoding='utf_8',newline='')#newline 还原真的换行符,windows:\r\n,linux:\ndata =f.readline()print(data.rstrip('\n'))#截掉字...
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request.Request(base_url, data) response = urllib.request.urlopen(req) the_page = response.read() return the_page.decode("utf-8") 至此,python获取百度统计的过程基本就没了,没错,就是那么简简单单的几行,完整代码见https://github.com/Zephery/baidutongji/blob/master/baidu.py,但是,想要实现获取...
try_url_decode 함수 try_validate_utf8 함수 try_variant_get 함수 try_zstd_decompress 함수 typeof 함수 ucase 함수 unbase64 함수 unhex 함수 단일 함수 unix_date 함수 unix_micros 함수 unix_millis 함수 ...
# int, str, sequence of int / str, or False, default None # 默认为 `None`, 不自动识别索引 pd.read_csv(data, index_col=False) # 不再使用首列作为索引 pd.read_csv(data, index_col=0) # 第几列是索引 pd.read_csv(data, index_col='年份') # 指定列名 pd.read_csv(data, index_col...