Python文件（TXT、csv、图片、音频、视频等）读写

################################################################# # TXT文件 ################################################################# # 普通方式 # 写入“Hello World！” file1 = open('f1.txt','w',encoding='utf-8') file1.write('Hello world!') file1.close() print('写完fi.txt。') # 读取f1.txt文件并打印 file1 = open('f1.txt','r',encoding='utf-8') filecontent = file1.read() file1.close() print(filecontent) print('读完fi.txt。') # with关键字 # 写入“Hello World！” with open('f1.txt','w',encoding='utf-8') as file1: file1.write('Hello World！') print('写完fi.txt。') # 读取f1.txt文件并打印 with open('f1.txt','r',encoding='utf-8') as file1: filecontent = file1.read() print(filecontent) print('读完fi.txt。') ################################################################# # 图片文件 ################################################################# # 仅用with关键字读写示例 with open('python-logo.png','rb') as file1: filecontent = file1.read() print("读完python-logo.png。") with open('pythonlogo.jpg','wb') as file1: file1.write(filecontent) # 将上面读取的二进制编码写入 print("写完python-logo.png。") ################################################################# # 音频文件 ################################################################# # 仅用with关键字读写示例 with open('夜晚虫鸣.wav','rb') as file1: filecontent = file1.read() print("读完夜晚虫鸣.wav。") with open('夜晚虫鸣.mp3','wb') as file1: file1.write(filecontent) # 将上面读取的二进制编码写入 print("写完夜晚虫鸣.wav。") ################################################################# # 视频文件 ################################################################# # 仅用with关键字读写示例 with open('01.ts','rb') as file1: filecontent_01 = file1.read() print("读完01.ts。") with open('02.ts','rb') as file1: filecontent_02 = file1.read() print("读完02.ts。") with open('union.mp4','wb') as file1: file1.write(filecontent_01) file1.write(filecontent_02) print("写完union.mp4。") ################################################################# # CSV文件 ################################################################# with open('test_csv.csv','r',encoding='utf-8') as file1: filecontent = file1.read() print("读完test_csv.csv。") with open('test_csv_write.csv','w',encoding='utf-8') as file1: file1.write(filecontent) print("写完test_csv.csv。") ################################################################# # csv文件处理 ################################################################# with open('test_csv.csv','r',encoding='utf-8') as file1: filecontent = file1.read() print("读完") # print(filecontent) datas_str = filecontent.split('\n')[:-1] # 按行分割，返回列表，分割完切掉最后的空字符串 datas_list = [] datas_dict = {} for row in datas_str: # 遍历读取行，每行的数值通过逗号隔开 row_list = row.split(',') # 将每行数据按逗号切割，返回列表 datas_list.append(row_list) # 将切分后的行列表添加到列表 for i in range(len(datas_list[0])): col = [ls[i] for ls in datas_list] datas_dict[col[0]] = col[1:] # 将列名和列值按字典格式存储 print(datas_list[0]) # 表头 print(datas_list[1:]) # 表值 print(datas_dict) # 列名:列值 #################################################################