defread_file_to_byte_array(file_path):""" 读取指定路径的文件并返回字节数组 :param file_path: 文件路径 :return: 文件内容的字节数组 """withopen(file_path,'rb')asfile:# 以二进制模式打开文件byte_array=file.read()# 读取文件内容并转换为字节数组returnbyte_array# 返回读取到的字节数组 1. 2....
我们常常需要从文件中读取数据,并将其存储在bytearray中。以下是一个简单的示例,该示例读取一个文本文件,并将其内容写入到bytearray中: # 打开文件并读取内容file_path='example.txt'withopen(file_path,'rb')asfile:# 以二进制模式打开文件content=file.read()# 读取文件内容data=bytearray(content)# 将内容转...
bytearray在文件读写和处理二进制文件时非常有用,例如图像处理、音频处理和压缩文件操作。 with open("image.jpg", "rb") as file: image_data = bytearray(file.read()) # 可以在bytearray中修改图像数据 网络通信 在网络通信中,bytearray用于处理网络数据包,构建自定义协议和解析数据。 data_received = byte...
byte_array = bytearray(text.encode("utf-8")) # 编码为bytearray 1. 2. 3. 5. 常见应用场景 文件处理 bytearray在文件读写和处理二进制文件时非常有用,例如图像处理、音频处理和压缩文件操作。 复制 with open("image.jpg", "rb") as file: image_data = bytearray(file.read()) # 可以在bytearr...
If it is an object conforming to the buffer interface, a read-only buffer of the object will be used to initialize the bytes array. If it is an iterable, it must be an iterable of integers in the range 0 <= x < 256, which are used as the initial contents of the array. Without ...
classbytearray([source[,encoding[,errors]]]) Return a new array of bytes. Thebytearrayclass is a mutable sequence of integers in the range 0 <= x < 256. It has most of the usual methods of mutable sequences, described inMutable Sequence Types, as well as most methods that thebytestyp...
pythonbuffer = bytearray(1024) # 创建一个大小为1024的缓冲区 with open('file.txt', 'rb') as f: n = f.readinto(buffer) # 将文件内容读取到缓冲区中,并返回实际读取的字节数 以上是Python中常见的几种文件读取方式,具体使用哪种方式取决于实际需求。 open()函数 open() 是Python 中用于打开文件的...
Python内置函数—bytearray 英文文档: classbytearray([source[,encoding[,errors]]]) Return a new array of bytes. Thebytearrayclass is a mutable sequence of integers in the range 0 <= x < 256. It has most of the usual methods of mutable sequences, described inMutable Sequence Types, as ...
Let’s assume you are working with a read-only image and you wish to modify it, then first you need to make an editable copy. Situations like this are where our next constructor comes in. As mentioned previously, the Bytes class is just animmutableversion of the ByteArray class, i.e....
with open(file_path, 'rb') as file: # 使用decode方法将读取到的二进制数据解码为字符串 content = file.read().decode('gbk') # 输出解码后的字符串到终端 print(content) ``` 这里的关键点在于: 1. 使用`open()`函数打开文件时,指定模式为`'rb'`(二进制读取模式),因为文件的实际内容是以字节形式...