{"id":1161259,"date":"2025-01-13T19:14:23","date_gmt":"2025-01-13T11:14:23","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1161259.html"},"modified":"2025-01-13T19:14:25","modified_gmt":"2025-01-13T11:14:25","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e6%89%93%e5%bc%80csv%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1161259.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u6253\u5f00csv\u6587\u4ef6"},"content":{"rendered":"

\"python\u4e2d\u5982\u4f55\u6253\u5f00csv\u6587\u4ef6\"<\/p>\n

Python\u4e2d\u6253\u5f00CSV\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5982\u4f7f\u7528csv\u6a21\u5757\u3001pandas\u5e93\u3001numpy\u5e93\u7b49\u3002\u63a8\u8350\u4f7f\u7528csv\u6a21\u5757\u3001pandas\u5e93\uff0c\u56e0\u4e3a\u5b83\u4eec\u64cd\u4f5c\u7b80\u5355\u3001\u529f\u80fd\u5f3a\u5927\u3001\u652f\u6301\u591a\u79cd\u683c\u5f0f\u3002<\/strong><\/p>\n<\/p>\n

\u8be6\u7ec6\u63cf\u8ff0\uff1a\u4f7f\u7528csv\u6a21\u5757<\/h3>\n<\/p>\n

csv\u6a21\u5757\u662fPython\u5185\u7f6e\u7684\u6a21\u5757\u4e4b\u4e00\uff0c\u9002\u7528\u4e8e\u7b80\u5355\u7684CSV\u6587\u4ef6\u8bfb\u5199\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528csv\u6a21\u5757\u6253\u5f00CSV\u6587\u4ef6\u7684\u8be6\u7ec6\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n

    \n
  1. \n

    \u5bfc\u5165csv\u6a21\u5757<\/strong><\/p>\n<\/p>\n

    import csv<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  2. \n
    \u6253\u5f00CSV\u6587\u4ef6<\/strong><\/p>\n<\/p>\n
    \u4f7f\u7528open<\/code>\u51fd\u6570\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00CSV\u6587\u4ef6\uff0c\u5e76\u5c06\u6587\u4ef6\u5bf9\u8c61\u4f20\u9012\u7ed9csv.reader\u3002<\/p>\n<\/p>\n
    with open('file.csv', mode='r', newline='') as file:<\/p>\n
        reader = csv.reader(file)<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n
  3. \n
    \u8bfb\u53d6\u5185\u5bb9<\/strong><\/p>\n<\/p>\n
    \u4f7f\u7528for\u5faa\u73af\u904d\u5386reader\u5bf9\u8c61\uff0c\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u6bcf\u4e00\u884c\u3002<\/p>\n<\/p>\n
    with open('file.csv', mode='r', newline='') as file:<\/p>\n
        reader = csv.reader(file)<\/p>\n
        for row in reader:<\/p>\n
            print(row)<\/p>\n
    <\/code><\/pre>\n<\/p>\n<\/li>\n<\/ol>\n
    \u4e00\u3001\u4f7f\u7528csv\u6a21\u5757<\/h3>\n<\/p>\n
    csv\u6a21\u5757\u662fPython\u6807\u51c6\u5e93\u7684\u4e00\u90e8\u5206\uff0c\u4e3b\u8981\u7528\u4e8e\u8bfb\u5199CSV\u6587\u4ef6\u3002csv\u6a21\u5757\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684CSV\u6587\u4ef6\uff0c\u4e14\u64cd\u4f5c\u7b80\u5355\u3002<\/p>\n<\/p>\n
    1\u3001\u8bfb\u53d6CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u8bfb\u53d6CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528csv.reader<\/code>\uff0c\u5b83\u5c06\u6bcf\u4e00\u884c\u7684\u6570\u636e\u89e3\u6790\u4e3a\u4e00\u4e2a\u5217\u8868\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import csv<\/p>\n
    with open('example.csv', mode='r', newline='') as file:<\/p>\n
        reader = csv.reader(file)<\/p>\n
        for row in reader:<\/p>\n
            print(row)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0copen<\/code>\u51fd\u6570\u4ee5\u53ea\u8bfb\u6a21\u5f0f\u6253\u5f00CSV\u6587\u4ef6\uff0ccsv.reader<\/code>\u7528\u4e8e\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0cfor<\/code>\u5faa\u73af\u7528\u4e8e\u904d\u5386\u6bcf\u4e00\u884c\u6570\u636e\u5e76\u6253\u5370\u3002<\/p>\n<\/p>\n
    2\u3001\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528csv.writer<\/code>\uff0c\u5b83\u5c06\u6570\u636e\u8f6c\u6362\u4e3aCSV\u683c\u5f0f\u5e76\u5199\u5165\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import csv<\/p>\n
    data = [<\/p>\n
        ['Name', 'Age', 'City'],<\/p>\n
        ['Alice', 30, 'New York'],<\/p>\n
        ['Bob', 25, 'Los Angeles'],<\/p>\n
        ['Charlie', 35, 'Chicago']<\/p>\n
    ]<\/p>\n
    with open('output.csv', mode='w', newline='') as file:<\/p>\n
        writer = csv.writer(file)<\/p>\n
        writer.writerows(data)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0copen<\/code>\u51fd\u6570\u4ee5\u5199\u5165\u6a21\u5f0f\u6253\u5f00CSV\u6587\u4ef6\uff0ccsv.writer<\/code>\u7528\u4e8e\u5199\u5165\u6587\u4ef6\u5185\u5bb9\uff0cwriter.writerows<\/code>\u7528\u4e8e\u5c06\u6570\u636e\u5217\u8868\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
    \u4e8c\u3001\u4f7f\u7528pandas\u5e93<\/h3>\n<\/p>\n
    pandas\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u636e\u5206\u6790\u548c\u64cd\u4f5c\u5e93\uff0c\u652f\u6301\u8bfb\u53d6\u548c\u5199\u5165\u591a\u79cd\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5305\u62ecCSV\u3002pandas\u5e93\u64cd\u4f5cCSV\u6587\u4ef6\u975e\u5e38\u7b80\u5355\uff0c\u4e14\u529f\u80fd\u5f3a\u5927\u3002<\/p>\n<\/p>\n
    1\u3001\u8bfb\u53d6CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u8bfb\u53d6CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528pandas.read_csv<\/code>\uff0c\u5b83\u5c06CSV\u6587\u4ef6\u8bfb\u53d6\u4e3a\u4e00\u4e2aDataFrame\u5bf9\u8c61\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import pandas as pd<\/p>\n
    df = pd.read_csv('example.csv')<\/p>\n
    print(df)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cpandas.read_csv<\/code>\u7528\u4e8e\u8bfb\u53d6CSV\u6587\u4ef6\u5e76\u5c06\u5176\u8f6c\u6362\u4e3aDataFrame\u5bf9\u8c61\uff0cprint<\/code>\u7528\u4e8e\u6253\u5370DataFrame\u5bf9\u8c61\u3002<\/p>\n<\/p>\n
    2\u3001\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528DataFrame.to_csv<\/code>\uff0c\u5b83\u5c06DataFrame\u5bf9\u8c61\u5199\u5165CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import pandas as pd<\/p>\n
    data = {<\/p>\n
        'Name': ['Alice', 'Bob', 'Charlie'],<\/p>\n
        'Age': [30, 25, 35],<\/p>\n
        'City': ['New York', 'Los Angeles', 'Chicago']<\/p>\n
    }<\/p>\n
    df = pd.DataFrame(data)<\/p>\n
    df.to_csv('output.csv', index=False)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cDataFrame.to_csv<\/code>\u7528\u4e8e\u5c06DataFrame\u5bf9\u8c61\u5199\u5165CSV\u6587\u4ef6\uff0cindex=False<\/code>\u7528\u4e8e\u53bb\u6389\u7d22\u5f15\u5217\u3002<\/p>\n<\/p>\n
    \u4e09\u3001\u4f7f\u7528numpy\u5e93<\/h3>\n<\/p>\n
    numpy\u662f\u4e00\u4e2a\u5f3a\u5927\u7684\u6570\u503c\u8ba1\u7b97\u5e93\uff0c\u652f\u6301\u8bfb\u53d6\u548c\u5199\u5165\u591a\u79cd\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5305\u62ecCSV\u3002numpy\u5e93\u64cd\u4f5cCSV\u6587\u4ef6\u4e5f\u975e\u5e38\u7b80\u5355\uff0c\u4e14\u529f\u80fd\u5f3a\u5927\u3002<\/p>\n<\/p>\n
    1\u3001\u8bfb\u53d6CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u8bfb\u53d6CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528numpy.genfromtxt<\/code>\uff0c\u5b83\u5c06CSV\u6587\u4ef6\u8bfb\u53d6\u4e3a\u4e00\u4e2anumpy\u6570\u7ec4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import numpy as np<\/p>\n
    data = np.genfromtxt('example.csv', delimiter=',', dtype=None, encoding='utf-8')<\/p>\n
    print(data)<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cnumpy.genfromtxt<\/code>\u7528\u4e8e\u8bfb\u53d6CSV\u6587\u4ef6\u5e76\u5c06\u5176\u8f6c\u6362\u4e3anumpy\u6570\u7ec4\uff0cprint<\/code>\u7528\u4e8e\u6253\u5370numpy\u6570\u7ec4\u3002<\/p>\n<\/p>\n
    2\u3001\u5199\u5165CSV\u6587\u4ef6<\/h4>\n<\/p>\n
    \u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u4f7f\u7528numpy.savetxt<\/code>\uff0c\u5b83\u5c06numpy\u6570\u7ec4\u5199\u5165CSV\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import numpy as np<\/p>\n
    data = np.array([<\/p>\n
        ['Name', 'Age', 'City'],<\/p>\n
        ['Alice', 30, 'New York'],<\/p>\n
        ['Bob', 25, 'Los Angeles'],<\/p>\n
        ['Charlie', 35, 'Chicago']<\/p>\n
    ])<\/p>\n
    np.savetxt('output.csv', data, delimiter=',', fmt='%s')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cnumpy.savetxt<\/code>\u7528\u4e8e\u5c06numpy\u6570\u7ec4\u5199\u5165CSV\u6587\u4ef6\uff0cdelimiter=','<\/code>\u7528\u4e8e\u6307\u5b9a\u5217\u5206\u9694\u7b26\uff0cfmt='%s'<\/code>\u7528\u4e8e\u6307\u5b9a\u6570\u636e\u683c\u5f0f\u3002<\/p>\n<\/p>\n
    \u56db\u3001\u4f7f\u7528\u5176\u4ed6\u5e93<\/h3>\n<\/p>\n
    \u9664\u4e86csv\u6a21\u5757\u3001pandas\u5e93\u548cnumpy\u5e93\uff0c\u8fd8\u6709\u4e00\u4e9b\u5176\u4ed6\u5e93\u4e5f\u53ef\u4ee5\u7528\u4e8e\u64cd\u4f5cCSV\u6587\u4ef6\uff0c\u5982openpyxl\u3001xlrd\u3001xlwt\u7b49\u3002\u8fd9\u4e9b\u5e93\u4e3b\u8981\u7528\u4e8e\u64cd\u4f5cExcel\u6587\u4ef6\uff0c\u4f46\u4e5f\u652f\u6301CSV\u6587\u4ef6\u7684\u8bfb\u5199\u64cd\u4f5c\u3002<\/p>\n<\/p>\n
    1\u3001\u4f7f\u7528openpyxl\u5e93<\/h4>\n<\/p>\n
    openpyxl\u662f\u4e00\u4e2a\u7528\u4e8e\u8bfb\u5199Excel\u6587\u4ef6\u7684\u5e93\uff0c\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684Excel\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528openpyxl\u5e93\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    from openpyxl import Workbook<\/p>\n
    import csv<\/p>\n
    wb = Workbook()<\/p>\n
    ws = wb.active<\/p>\n
    with open('example.csv', mode='r', newline='') as file:<\/p>\n
        reader = csv.reader(file)<\/p>\n
        for row in reader:<\/p>\n
            ws.append(row)<\/p>\n
    wb.save('output.xlsx')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0copenpyxl.Workbook<\/code>\u7528\u4e8e\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Excel\u5de5\u4f5c\u7c3f\uff0cws.append<\/code>\u7528\u4e8e\u5c06CSV\u6587\u4ef6\u4e2d\u7684\u6bcf\u4e00\u884c\u6570\u636e\u6dfb\u52a0\u5230\u5de5\u4f5c\u8868\u4e2d\uff0cwb.save<\/code>\u7528\u4e8e\u4fdd\u5b58\u5de5\u4f5c\u7c3f\u3002<\/p>\n<\/p>\n
    2\u3001\u4f7f\u7528xlrd\u548cxlwt\u5e93<\/h4>\n<\/p>\n
    xlrd\u548cxlwt\u662f\u4e24\u4e2a\u7528\u4e8e\u8bfb\u5199Excel\u6587\u4ef6\u7684\u5e93\uff0c\u652f\u6301\u591a\u79cd\u683c\u5f0f\u7684Excel\u6587\u4ef6\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u4f7f\u7528xlrd\u548cxlwt\u5e93\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u7684\u7b80\u5355\u793a\u4f8b\uff1a<\/p>\n<\/p>\n
    import xlrd<\/p>\n
    import xlwt<\/p>\n
    import csv<\/p>\n
    \u8bfb\u53d6CSV\u6587\u4ef6<\/strong><\/h2>\n
    data = []<\/p>\n
    with open('example.csv', mode='r', newline='') as file:<\/p>\n
        reader = csv.reader(file)<\/p>\n
        for row in reader:<\/p>\n
            data.append(row)<\/p>\n
    \u5199\u5165Excel\u6587\u4ef6<\/strong><\/h2>\n
    wb = xlwt.Workbook()<\/p>\n
    ws = wb.add_sheet('Sheet1')<\/p>\n
    for i, row in enumerate(data):<\/p>\n
        for j, value in enumerate(row):<\/p>\n
            ws.write(i, j, value)<\/p>\n
    wb.save('output.xls')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u4e0a\u9762\u7684\u4ee3\u7801\u4e2d\uff0cxlrd<\/code>\u7528\u4e8e\u8bfb\u53d6CSV\u6587\u4ef6\uff0cxlwt<\/code>\u7528\u4e8e\u5199\u5165Excel\u6587\u4ef6\uff0cws.write<\/code>\u7528\u4e8e\u5c06CSV\u6587\u4ef6\u4e2d\u7684\u6570\u636e\u5199\u5165\u5de5\u4f5c\u8868\u4e2d\u3002<\/p>\n<\/p>\n
    \u4e94\u3001CSV\u6587\u4ef6\u64cd\u4f5c\u7684\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
    \u5728\u64cd\u4f5cCSV\u6587\u4ef6\u65f6\uff0c\u6709\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n<\/p>\n
      \n
    1. \n
      \u7f16\u7801\u95ee\u9898<\/strong>\uff1a\u5728\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6307\u5b9a\u6587\u4ef6\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u5982encoding='utf-8'<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u7f16\u7801\u95ee\u9898\u5bfc\u81f4\u7684\u8bfb\u53d6\u548c\u5199\u5165\u9519\u8bef\u3002<\/p>\n<\/p>\n<\/li>\n
    2. \n
      \u5206\u9694\u7b26\u95ee\u9898<\/strong>\uff1aCSV\u6587\u4ef6\u7684\u5217\u5206\u9694\u7b26\u901a\u5e38\u662f\u9017\u53f7\uff0c\u4f46\u6709\u65f6\u4e5f\u53ef\u80fd\u662f\u5176\u4ed6\u5b57\u7b26\uff0c\u5982\u5236\u8868\u7b26\u3001\u5206\u53f7\u7b49\u3002\u5728\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6307\u5b9a\u5217\u5206\u9694\u7b26\uff0c\u5982delimiter=','<\/code>\u3002<\/p>\n<\/p>\n<\/li>\n
    3. \n
      \u6570\u636e\u7c7b\u578b\u95ee\u9898<\/strong>\uff1a\u5728\u8bfb\u53d6CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6307\u5b9a\u6570\u636e\u7684\u7c7b\u578b\uff0c\u5982dtype=None<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u6570\u636e\u7c7b\u578b\u4e0d\u4e00\u81f4\u5bfc\u81f4\u7684\u8bfb\u53d6\u9519\u8bef\u3002<\/p>\n<\/p>\n<\/li>\n
    4. \n
      \u7a7a\u503c\u95ee\u9898<\/strong>\uff1a\u5728\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u5904\u7406\u7a7a\u503c\uff0c\u5982fillna(0)<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u7a7a\u503c\u5bfc\u81f4\u7684\u8bfb\u53d6\u548c\u5199\u5165\u9519\u8bef\u3002<\/p>\n<\/p>\n<\/li>\n
    5. \n
      \u6587\u4ef6\u8def\u5f84\u95ee\u9898<\/strong>\uff1a\u5728\u8bfb\u53d6\u548c\u5199\u5165CSV\u6587\u4ef6\u65f6\uff0c\u901a\u5e38\u9700\u8981\u6307\u5b9a\u6587\u4ef6\u7684\u8def\u5f84\uff0c\u5982'example.csv'<\/code>\u3002\u8fd9\u6837\u53ef\u4ee5\u907f\u514d\u56e0\u6587\u4ef6\u8def\u5f84\u4e0d\u6b63\u786e\u5bfc\u81f4\u7684\u8bfb\u53d6\u548c\u5199\u5165\u9519\u8bef\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
      \u603b\u7ed3<\/h3>\n<\/p>\n
      \u5728Python\u4e2d\uff0c\u6709\u591a\u79cd\u65b9\u6cd5\u53ef\u4ee5\u7528\u4e8e\u64cd\u4f5cCSV\u6587\u4ef6\uff0c\u5982\u4f7f\u7528csv\u6a21\u5757\u3001pandas\u5e93\u3001numpy\u5e93\u7b49\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\u548c\u9002\u7528\u573a\u666f\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u3002\u540c\u65f6\uff0c\u5728\u64cd\u4f5cCSV\u6587\u4ef6\u65f6\uff0c\u9700\u8981\u6ce8\u610f\u7f16\u7801\u3001\u5206\u9694\u7b26\u3001\u6570\u636e\u7c7b\u578b\u3001\u7a7a\u503c\u548c\u6587\u4ef6\u8def\u5f84\u7b49\u95ee\u9898\uff0c\u4ee5\u786e\u4fddCSV\u6587\u4ef6\u7684\u6b63\u786e\u8bfb\u53d6\u548c\u5199\u5165\u3002<\/p>\n<\/p>\n
      \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
       \u5982\u4f55\u5728Python\u4e2d\u8bfb\u53d6CSV\u6587\u4ef6\u7684\u5185\u5bb9\uff1f<\/strong>
      \u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528\u5185\u7f6e\u7684csv<\/code>\u6a21\u5757\u6765\u8bfb\u53d6CSV\u6587\u4ef6\u3002\u9996\u5148\uff0c\u9700\u8981\u5bfc\u5165\u8be5\u6a21\u5757\uff0c\u7136\u540e\u6253\u5f00CSV\u6587\u4ef6\uff0c\u4f7f\u7528csv.reader()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n
      import csv\n\nwith open('file.csv', mode='r') as file:\n    csv_reader = csv.reader(file)\n    for row in csv_reader:\n        print(row)\n<\/code><\/pre>\n
      \u8fd9\u79cd\u65b9\u5f0f\u4f1a\u9010\u884c\u8bfb\u53d6CSV\u6587\u4ef6\uff0c\u5e76\u5c06\u6bcf\u884c\u6570\u636e\u4ee5\u5217\u8868\u7684\u5f62\u5f0f\u8f93\u51fa\u3002<\/p>\n
      \u5728Python\u4e2d\u6253\u5f00CSV\u6587\u4ef6\u65f6\u9700\u8981\u6ce8\u610f\u54ea\u4e9b\u4e8b\u9879\uff1f<\/strong>
      \u6253\u5f00CSV\u6587\u4ef6\u65f6\uff0c\u8981\u786e\u4fdd\u6587\u4ef6\u8def\u5f84\u6b63\u786e\uff0c\u5e76\u4e14\u6587\u4ef6\u7f16\u7801\u683c\u5f0f\u4e0e\u6253\u5f00\u65b9\u5f0f\u5339\u914d\u3002\u5e38\u89c1\u7684\u7f16\u7801\u683c\u5f0f\u5305\u62ecUTF-8\u548cISO-8859-1\u3002\u5982\u679c\u6587\u4ef6\u5305\u542b\u8868\u5934\uff0c\u8003\u8651\u4f7f\u7528csv.DictReader()<\/code>\uff0c\u8fd9\u6837\u6bcf\u4e00\u884c\u5c31\u4f1a\u88ab\u8f6c\u6362\u4e3a\u5b57\u5178\u5f62\u5f0f\uff0c\u65b9\u4fbf\u6839\u636e\u5217\u540d\u8bbf\u95ee\u6570\u636e\u3002<\/p>\n
      \u5982\u4f55\u5904\u7406Python\u4e2d\u8bfb\u53d6CSV\u6587\u4ef6\u65f6\u7684\u5f02\u5e38\uff1f<\/strong>
      \u5728\u5904\u7406CSV\u6587\u4ef6\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6587\u4ef6\u672a\u627e\u5230\u3001\u6743\u9650\u4e0d\u8db3\u6216\u683c\u5f0f\u9519\u8bef\u7b49\u5f02\u5e38\u3002\u53ef\u4ee5\u4f7f\u7528try-except<\/code>\u8bed\u53e5\u6765\u6355\u83b7\u8fd9\u4e9b\u5f02\u5e38\uff0c\u786e\u4fdd\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n
      import csv\n\ntry:\n    with open('file.csv', mode='r') as file:\n        csv_reader = csv.reader(file)\n        for row in csv_reader:\n            print(row)\nexcept FileNotFoundError:\n    print("\u6587\u4ef6\u672a\u627e\u5230\uff0c\u8bf7\u68c0\u67e5\u6587\u4ef6\u8def\u5f84\u3002")\nexcept PermissionError:\n    print("\u6743\u9650\u4e0d\u8db3\uff0c\u65e0\u6cd5\u8bbf\u95ee\u8be5\u6587\u4ef6\u3002")\nexcept Exception as e:\n    print(f"\u53d1\u751f\u9519\u8bef: {e}")\n<\/code><\/pre>\n
      \u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u8bfb\u53d6CSV\u6587\u4ef6\u65f6\u53ef\u80fd\u51fa\u73b0\u7684\u5404\u79cd\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Python\u4e2d\u6253\u5f00CSV\u6587\u4ef6\u7684\u65b9\u6cd5\u6709\u5f88\u591a\uff0c\u5982\u4f7f\u7528csv\u6a21\u5757\u3001pandas\u5e93\u3001numpy\u5e93\u7b49\u3002\u63a8\u8350\u4f7f\u7528csv\u6a21\u5757 […]","protected":false},"author":3,"featured_media":1161268,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1161259"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1161259"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1161259\/revisions"}],"predecessor-version":[{"id":1161273,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1161259\/revisions\/1161273"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1161268"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1161259"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1161259"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1161259"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}