{"id":49979,"date":"2023-10-17T23:24:43","date_gmt":"2023-10-12T12:10:41","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8django%e5%b0%86%e4%b8%8a%e4%bc%a0%e7%9a%84csv%e6%96%87%e4%bb%b6%e4%bd%bf%e7%94%a8pandas%e8%bf%9b%e8%a1%8c%e5%a4%84%e7%90%86%e5%b9%b6%e8%bf%94%e5%9b%9e\/"},"modified":"2024-05-04T04:47:24","modified_gmt":"2024-05-03T20:47:24","slug":"%e7%94%a8django%e5%b0%86%e4%b8%8a%e4%bc%a0%e7%9a%84csv%e6%96%87%e4%bb%b6%e4%bd%bf%e7%94%a8pandas%e8%bf%9b%e8%a1%8c%e5%a4%84%e7%90%86%e5%b9%b6%e8%bf%94%e5%9b%9e","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e7%94%a8django%e5%b0%86%e4%b8%8a%e4%bc%a0%e7%9a%84csv%e6%96%87%e4%bb%b6%e4%bd%bf%e7%94%a8pandas%e8%bf%9b%e8%a1%8c%e5%a4%84%e7%90%86%e5%b9%b6%e8%bf%94%e5%9b%9e\/","title":{"rendered":"\u7528Django\u5c06\u4e0a\u4f20\u7684csv\u6587\u4ef6\u4f7f\u7528pandas\u8fdb\u884c\u5904\u7406\u5e76\u8fd4\u56de"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u6211\u662f\u4e00\u4f4d\u6b63\u5728\u5b66\u4e60Python\u6570\u636e\u5904\u7406\u548c\u673a\u5668\u5b66\u4e60\u7684\u521d\u5b66\u8005\u3002<\/p>\n<p>\u6211\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u7528\u4e86\u6211\u4eec\u521b\u5efa\u7684\u56de\u5f52\u6a21\u578b\uff0c\u5b83\u53ef\u4ee5\u8bfb\u53d6\u4e0a\u4f20\u7684\u6d4b\u8bd5\u6587\u4ef6\u5e76\u5728Notebook\u4e2d\u4f7f\u7528pandas\u8fdb\u884c\u6570\u636e\u5904\u7406\u3002\u7136\u540e\uff0c\u6211\u5c06\u5904\u7406\u7ed3\u679c\u4fdd\u5b58\u4e3aCSV\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4e86\u4e00\u4e2a\u5728\u7f51\u7edc\u4e0a\u4e0b\u8f7d\u8be5\u6587\u4ef6\u7684\u529f\u80fd\u3002<\/p>\n<p>\u6211\u5728\u90a3\u65f6\u9047\u5230\u4e86\u5f88\u591a\u56f0\u96be\uff0c\u76f4\u5230\u8bfb\u53d6\u548c\u8fd4\u56de CSV \u6587\u4ef6\u7684\u8fc7\u7a0b\u624d\u987a\u5229\u8fdb\u884c\u3002<\/p>\n<p>\u5728\u7f51\u7edc\u4e0a\uff0c\u5173\u4e8e\u5982\u4f55\u5728Django\u4e2d\u4f7f\u7528pandas\u7684\u65b9\u6cd5\u5e76\u4e0d\u5e38\u89c1\uff0c\u6211\u5728\u7814\u7a76\u4e86\u5f88\u591a\u8d44\u6599\u5e76\u8fdb\u884c\u5c1d\u8bd5\u540e\uff0c\u5b8c\u5168\u6309\u7167\u81ea\u5df1\u7684\u65b9\u6cd5\u5b8c\u6210\u4e86\u8fd9\u4e2a\u9879\u76ee\uff0c\u6240\u4ee5\u53ef\u80fd\u5b58\u5728\u4e00\u4e9b\u4e0d\u8db3\u4e4b\u5904\uff0c\u8bf7\u591a\u591a\u5305\u6db5\u3002<\/p>\n<h2>\u73af\u5883\u548c\u524d\u63d0<\/h2>\n<p>Windows10<br \/>\nDjango 3.1.7<br \/>\nPython 3.9.2<\/p>\n<p>Windows10<br \/>\nDjango 3.1.7<br \/>\nPython 3.9.2<\/p>\n<p>Windows10<br \/>\nDjango 3.1.7<br \/>\nPython 3.9.2<\/p>\n<ul class=\"post-ul\">\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u4f5c\u6210<\/ul>\n<pre class=\"post-pre\"><code>$ django-admin startproject myproject\r\n$ cd myproject\r\n$ python manage.py startapp app\r\n<\/code><\/pre>\n<ul class=\"post-ul\">\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u69cb\u6210<\/ul>\n<pre class=\"post-pre\"><code>myproject\/\r\n  app\/\r\n    __pycache__\/\r\n    migrations\/\r\n    static\/\r\n      files\/ (new)\r\n        train_x.csv\r\n        train_y.csv\r\n    __init__.py\r\n    admin.py\r\n    apps.py\r\n    forms.py (new)\r\n    functions.py (new)\r\n    models.py\r\n    tests.py\r\n    views.py\r\n  myproject\/\r\n    __pycache__\/\r\n    __init__.py\r\n    asgi.py\r\n    settings.py\r\n    urls.py\r\n    wsgi.py\r\nstatic\/\r\ntemplates\/\r\n  index.html\r\ndb.sqlite3\r\nmanage.py\r\n\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f0d913a08637a6d8145\/11-0.jpeg\" alt=\"image.jpg\" \/><\/div>\n<h2>\u521b\u5efa\u8868\u5355<\/h2>\n<p>\u521b\u5efaforms.py\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">django<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">forms<\/span>\r\n\r\n<span class=\"k\">class<\/span> <span class=\"nc\">UploadForm<\/span><span class=\"p\">(<\/span><span class=\"n\">forms<\/span><span class=\"p\">.<\/span><span class=\"n\">Form<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">testfile<\/span> <span class=\"o\">=<\/span> <span class=\"n\">forms<\/span><span class=\"p\">.<\/span><span class=\"nc\">FileField<\/span><span class=\"p\">()<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u5728HTML\u4e2d\u4f7f\u7528\u65f6\uff0c\u4f1a\u751f\u6210\u4e00\u4e2a\u9009\u62e9\u6587\u4ef6\u7684\u8868\u5355\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"form-group\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;form<\/span> <span class=\"na\">method=<\/span><span class=\"s\">\"POST\"<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"form\"<\/span> <span class=\"na\">enctype=<\/span><span class=\"s\">\"multipart\/form-data\"<\/span><span class=\"nt\">&gt;<\/span>  \r\n    {% csrf_token %}  \r\n    <span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"file-upload-wrapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n      <span class=\"nt\">&lt;p&gt;<\/span>\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e<span class=\"nt\">&lt;br<\/span> <span class=\"err\">\\<\/span><span class=\"nt\">&gt;<\/span>\r\n        {{ form.testfile }}\r\n      <span class=\"nt\">&lt;\/p&gt;<\/span>   \r\n    <span class=\"nt\">&lt;\/div&gt;<\/span> \r\n<\/code><\/pre>\n<p>\u6700\u7ec8\u8bbe\u7f6eurls.py\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">django.contrib<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">admin<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">django.urls<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">path<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">app<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">views<\/span>\r\n\r\n<span class=\"n\">urlpatterns<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"nf\">path<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">admin\/<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"n\">admin<\/span><span class=\"p\">.<\/span><span class=\"n\">site<\/span><span class=\"p\">.<\/span><span class=\"n\">urls<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"nf\">path<\/span><span class=\"p\">(<\/span><span class=\"sh\">''<\/span><span class=\"p\">,<\/span> <span class=\"n\">views<\/span><span class=\"p\">.<\/span><span class=\"n\">index<\/span><span class=\"p\">,<\/span> <span class=\"n\">name<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">index<\/span><span class=\"sh\">'<\/span><span class=\"p\">),<\/span> <span class=\"p\">(<\/span><span class=\"n\">\u8ffd\u52a0<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">]<\/span>\r\n\r\n<\/code><\/pre>\n<p>settings.py\u7684\u914d\u7f6e<\/p>\n<pre class=\"post-pre\"><code><span class=\"c1\"># \u7701\u7565\r\n<\/span>\r\n<span class=\"n\">INSTALLED_APPS<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.admin<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.auth<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.contenttypes<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.sessions<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.messages<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">django.contrib.staticfiles<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"sh\">'<\/span><span class=\"s\">app<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"c1\"># \u8ffd\u52a0\r\n<\/span><span class=\"p\">]<\/span>\r\n<span class=\"c1\"># \u7701\u7565\r\n<\/span><span class=\"n\">TEMPLATES<\/span> <span class=\"o\">=<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n        <span class=\"c1\"># \u7701\u7565\r\n<\/span>        <span class=\"sh\">'<\/span><span class=\"s\">DIRS<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span><span class=\"n\">BASE_DIR<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">templates<\/span><span class=\"sh\">'<\/span><span class=\"p\">],<\/span>\r\n        <span class=\"c1\"># \u7701\u7565\r\n<\/span>    <span class=\"p\">},<\/span>\r\n<span class=\"p\">]<\/span>\r\n<\/code><\/pre>\n<p>\u5f53\u60a8\u6267\u884c $python manage.py runserver \u540e\u5728\u672c\u5730\u4e3b\u673a\u4e0a\u8bbf\u95ee\u65f6\uff0c\u4f1a\u51fa\u73b0\u6587\u4ef6\u9009\u62e9\u7684\u8868\u5355\u3002<\/p>\n<h2>\u4e0a\u4f20\u6587\u4ef6\u7684\u5904\u7406<\/h2>\n<p>\u8fd9\u6b21\u6211\u4eec\u5c06\u5728functions.py\u4e2d\u7f16\u5199\u6587\u4ef6\u5904\u7406\u7684\u51fd\u6570\uff0c\u5e76\u5728views.py\u4e2d\u4f7f\u7528\u5b83\u4eec\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">from<\/span> <span class=\"n\">django.shortcuts<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">render<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">django.template<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">loader<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">app.forms<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">UploadForm<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">app.functions<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">process_file<\/span><span class=\"p\">,<\/span><span class=\"n\">to_csv<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">csv<\/span><span class=\"p\">,<\/span><span class=\"n\">io<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">pandas<\/span> <span class=\"k\">as<\/span> <span class=\"n\">pd<\/span>\r\n\r\n<span class=\"c1\"># Create your views here.\r\n<\/span><span class=\"k\">def<\/span> <span class=\"nf\">index<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"k\">if<\/span> <span class=\"n\">request<\/span><span class=\"p\">.<\/span><span class=\"n\">method<\/span> <span class=\"o\">==<\/span> <span class=\"sh\">'<\/span><span class=\"s\">POST<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">upload<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">UploadForm<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">.<\/span><span class=\"n\">POST<\/span><span class=\"p\">,<\/span> <span class=\"n\">request<\/span><span class=\"p\">.<\/span><span class=\"n\">FILES<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"n\">upload<\/span><span class=\"p\">.<\/span><span class=\"nf\">is_valid<\/span><span class=\"p\">():<\/span>\r\n            <span class=\"n\">data<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pd<\/span><span class=\"p\">.<\/span><span class=\"nf\">read_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">io<\/span><span class=\"p\">.<\/span><span class=\"nc\">StringIO<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">.<\/span><span class=\"n\">FILES<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">testfile<\/span><span class=\"sh\">'<\/span><span class=\"p\">].<\/span><span class=\"nf\">read<\/span><span class=\"p\">().<\/span><span class=\"nf\">decode<\/span><span class=\"p\">(<\/span><span class=\"sh\">'<\/span><span class=\"s\">utf-8<\/span><span class=\"sh\">'<\/span><span class=\"p\">)),<\/span> <span class=\"n\">delimiter<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">,<\/span><span class=\"sh\">'<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"n\">df<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">process_file<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n\r\n            <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">to_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">df<\/span><span class=\"p\">)<\/span>\r\n\r\n            <span class=\"k\">return<\/span> <span class=\"n\">response<\/span>\r\n    <span class=\"k\">else<\/span><span class=\"p\">:<\/span>\r\n        <span class=\"n\">upload<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">UploadForm<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nf\">render<\/span><span class=\"p\">(<\/span><span class=\"n\">request<\/span><span class=\"p\">,<\/span> <span class=\"sh\">\"<\/span><span class=\"s\">index.html<\/span><span class=\"sh\">\"<\/span><span class=\"p\">,<\/span> <span class=\"p\">{<\/span><span class=\"sh\">'<\/span><span class=\"s\">form<\/span><span class=\"sh\">'<\/span><span class=\"p\">:<\/span><span class=\"n\">upload<\/span><span class=\"p\">})<\/span>\r\n<\/code><\/pre>\n<p>data = pd.read_csv(io.StringIO(request.FILES[&#8216;testfile&#8217;].read().decode(&#8216;utf-8&#8242;)), delimiter=&#8217;,&#8217;)<\/p>\n<p>\u5358\u306bpd.read_csv\u3060\u3051\u3067\u306f\u8aad\u307f\u53d6\u308c\u305a\u3001\u3044\u308d\u3044\u308d\u8a66\u3057\u307e\u304f\u3063\u305f\u7d50\u679c\u3053\u308c\u3067csv\u306e\u8aad\u307f\u53d6\u308a\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>process_file()\uff1apandas\u3067\u30c7\u30fc\u30bf\u3092\u51e6\u7406<\/p>\n<p>to_csv()\uff1a\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092csv\u30d5\u30a1\u30a4\u30eb\u306b\u3057\u3066\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<\/p>\n<h2>\u6570\u636e\u5904\u7406\u548c\u4e0b\u8f7d<\/h2>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"n\">pandas<\/span> <span class=\"k\">as<\/span> <span class=\"n\">pd<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">numpy<\/span> <span class=\"k\">as<\/span> <span class=\"n\">np<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"n\">sklearn<\/span><span class=\"p\">,<\/span><span class=\"n\">csv<\/span><span class=\"p\">,<\/span><span class=\"n\">re<\/span><span class=\"p\">,<\/span><span class=\"n\">os<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">sklearn.model_selection<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">train_test_split<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">sklearn.ensemble<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">RandomForestRegressor<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">django.http<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">HttpResponse<\/span>\r\n<span class=\"kn\">from<\/span> <span class=\"n\">myproject.settings<\/span> <span class=\"kn\">import<\/span> <span class=\"n\">BASE_DIR<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">process_file<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">train_x<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pd<\/span><span class=\"p\">.<\/span><span class=\"nf\">read_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">path<\/span><span class=\"p\">.<\/span><span class=\"nf\">join<\/span><span class=\"p\">(<\/span><span class=\"n\">BASE_DIR<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">app\/static\/files\/train_x.csv<\/span><span class=\"sh\">'<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">train_y<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pd<\/span><span class=\"p\">.<\/span><span class=\"nf\">read_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"p\">.<\/span><span class=\"n\">path<\/span><span class=\"p\">.<\/span><span class=\"nf\">join<\/span><span class=\"p\">(<\/span><span class=\"n\">BASE_DIR<\/span><span class=\"p\">,<\/span> <span class=\"sh\">'<\/span><span class=\"s\">app\/static\/files\/train_y.csv<\/span><span class=\"sh\">'<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"n\">test<\/span> <span class=\"o\">=<\/span> <span class=\"n\">data<\/span>\r\n    \r\n    <span class=\"c1\">#\u3000\u81ea\u7531\u306b\u30c7\u30fc\u30bf\u51e6\u7406\r\n<\/span>\r\n    <span class=\"c1\">#\u3000\u6700\u5f8c\u306b\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3068\u3057\u3066\u8fd4\u3059\r\n<\/span>    <span class=\"n\">df_result<\/span> <span class=\"o\">=<\/span> <span class=\"bp\">...<\/span>\r\n\r\n    <span class=\"k\">return<\/span> <span class=\"n\">df_result<\/span>\r\n\r\n<span class=\"k\">def<\/span> <span class=\"nf\">to_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">df<\/span><span class=\"p\">):<\/span>\r\n    <span class=\"n\">response<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">HttpResponse<\/span><span class=\"p\">(<\/span><span class=\"n\">content_type<\/span><span class=\"o\">=<\/span><span class=\"sh\">'<\/span><span class=\"s\">text\/csv; charset=UTF-8<\/span><span class=\"sh\">'<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">response<\/span><span class=\"p\">[<\/span><span class=\"sh\">'<\/span><span class=\"s\">Content-Disposition<\/span><span class=\"sh\">'<\/span><span class=\"p\">]<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">attachment; filename=<\/span><span class=\"sh\">\"<\/span><span class=\"s\">result.csv<\/span><span class=\"sh\">\"'<\/span>\r\n    \r\n    <span class=\"n\">df<\/span><span class=\"p\">.<\/span><span class=\"nf\">to_csv<\/span><span class=\"p\">(<\/span><span class=\"n\">path_or_buf<\/span> <span class=\"o\">=<\/span> <span class=\"n\">response<\/span><span class=\"p\">,<\/span> <span class=\"n\">encoding<\/span> <span class=\"o\">=<\/span> <span class=\"sh\">'<\/span><span class=\"s\">utf-8-sig<\/span><span class=\"sh\">'<\/span><span class=\"p\">,<\/span> <span class=\"n\">index<\/span><span class=\"o\">=<\/span><span class=\"bp\">False<\/span><span class=\"p\">)<\/span>\r\n    \r\n    <span class=\"k\">return<\/span> <span class=\"n\">response<\/span>\r\n<\/code><\/pre>\n<p>\u30c7\u30fc\u30bf\u51e6\u7406\u306b\u5fc5\u8981\u306a\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u305d\u308c\u305e\u308c\u30a4\u30f3\u30dd\u30fc\u30c8<\/p>\n<p>process_file()<\/p>\n<p>train\u30c7\u30fc\u30bf\u3092myproject\/app\/static\/files\/\u304b\u3089\u8aad\u307f\u8fbc\u307f<br \/>\n\u30ed\u30fc\u30ab\u30eb\u3067\u306fpd.read_csv(&#8220;app\/static\/files\/~&#8221;)\u3067\u3082\u53ef\u80fd<br \/>\n\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30d7\u30ed\u30a4\u3059\u308b\u3068\u304d\u306fBASE_DIR\/app\/static\/files\/~\u3068\u306a\u308b\u3088\u3046\u306b\u8a2d\u5b9a<br \/>\n\uff08\u3061\u306a\u307f\u306bBASE_DIR\u306fsettings.py\u3067\u5b9a\u7fa9\u3055\u308c\u3001\u30c7\u30d5\u30a9\u30eb\u30c8\u3067\u306fmanage.py\u306e\u5b58\u5728\u3059\u308b\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u3002\u3053\u306e\u4f8b\u3067\u306fmyproject\/\u306b\u306a\u308a\u307e\u3059\u3002\uff09<br \/>\nNotebook\u3067\u884c\u3063\u3066\u3044\u308b\u3088\u3046\u306a\u51e6\u7406\u3092\u81ea\u7531\u306b\u3001\u6700\u5f8c\u306b\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u578b\u3067\u8fd4\u3057\u3066\u3042\u3052\u307e\u3059\u3002<\/p>\n<p>to_csv()<\/p>\n<p>process_file\u304b\u3089\u8fd4\u5374\u3055\u308c\u305f\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092csv\u306b\u5909\u63db\u3057\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9<br \/>\nHttpResponse\u3068\u3057\u3066&#8221;result.csv&#8221;\u3068\u3044\u3046\u540d\u524d\u306ecsv\u30d5\u30a1\u30a4\u30eb\u3092\u8fd4\u3059<br \/>\nattachment\u3092\u3064\u3051\u308b\u3053\u3068\u3067\u3001\u30d5\u30a9\u30fc\u30e0\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u81ea\u52d5\u7684\u306b\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u304c\u958b\u59cb<\/p>\n<p>path_or_buf = response\u3068\u3059\u308b\u3053\u3068\u3067\u30c7\u30fc\u30bf\u30d5\u30ec\u30fc\u30e0\u3092csv\u306b\u5909\u63db\u3067\u304d\u308b\u3088\u3046\u306b<\/p>\n<pre class=\"post-pre\"><code><span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"form-group\"<\/span><span class=\"nt\">&gt;<\/span>\r\n  <span class=\"nt\">&lt;form<\/span> <span class=\"na\">method=<\/span><span class=\"s\">\"POST\"<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"form\"<\/span> <span class=\"na\">enctype=<\/span><span class=\"s\">\"multipart\/form-data\"<\/span><span class=\"nt\">&gt;<\/span>  \r\n    {% csrf_token %}  \r\n    <span class=\"nt\">&lt;div<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"file-upload-wrapper\"<\/span><span class=\"nt\">&gt;<\/span>\r\n      <span class=\"nt\">&lt;p&gt;<\/span>\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u9078\u629e<span class=\"nt\">&lt;br<\/span> <span class=\"err\">\\<\/span><span class=\"nt\">&gt;<\/span>\r\n        {{ form.testfile }}\r\n      <span class=\"nt\">&lt;\/p&gt;<\/span>\r\n    <span class=\"nt\">&lt;\/div&gt;<\/span> \r\n    <span class=\"nt\">&lt;p&gt;<\/span>\u30c6\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u4e88\u6e2c\u7d50\u679c\u306e'result.csv'\u30d5\u30a1\u30a4\u30eb\u3092\u30c0\u30a6\u30f3\u30ed\u30fc\u30c9\u3059\u308b<span class=\"nt\">&lt;\/p&gt;<\/span>\r\n    <span class=\"nt\">&lt;button<\/span> <span class=\"na\">type=<\/span><span class=\"s\">\"submit\"<\/span> <span class=\"na\">class=<\/span><span class=\"s\">\"save btn btn-outline-primary\"<\/span><span class=\"nt\">&gt;<\/span>Upload and Download<span class=\"nt\">&lt;\/button&gt;<\/span>  \r\n  <span class=\"nt\">&lt;\/form&gt;<\/span> \r\n<span class=\"nt\">&lt;\/div&gt;<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u8868\u5355\u4e2d\u6dfb\u52a0\u6309\u94ae\u4ee5\u5b8c\u6210<\/p>\n<h2>\u586b\u5145<\/h2>\n<p>\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3055\u308c\u305f\u30d5\u30a1\u30a4\u30eb\u306e\u5f62\u5f0f\u30c1\u30a7\u30c3\u30af\u7b49\u306f\u7701\u7565\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>Django\u3067pandas\u3092\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u3092\u8abf\u3079\u3066\u3044\u308b\u3068\u3001django-pandas\u3068\u3044\u3046\u30e9\u30a4\u30d6\u30e9\u30ea\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3057\u3066\u4f7f\u3046\u3068\u3044\u3046\u8aac\u660e\u3057\u304b\u898b\u5f53\u305f\u3089\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001python\u6a19\u6e96\u30e2\u30b8\u30e5\u30fc\u30eb\u306epandas\u3067\u3082\u306a\u3093\u3068\u304b\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 \u6211\u662f\u4e00\u4f4d\u6b63\u5728\u5b66\u4e60Python\u6570\u636e\u5904\u7406\u548c\u673a\u5668\u5b66\u4e60\u7684\u521d\u5b66\u8005\u3002 \u6211\u5df2\u7ecf\u521b\u5efa\u4e86\u4e00\u4e2a\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u7528\u4e86\u6211\u4eec\u521b\u5efa\u7684\u56de\u5f52 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-49979","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u7528Django\u5c06\u4e0a\u4f20\u7684csv\u6587\u4ef6\u4f7f\u7528pandas\u8fdb\u884c\u5904\u7406\u5e76\u8fd4\u56de - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u7528django\u5c06\u4e0a\u4f20\u7684csv\u6587\u4ef6\u4f7f\u7528pandas\u8fdb\u884c\u5904\u7406\u5e76\u8fd4\u56de\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-10-12T12:10:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-05-03T20:47:24+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d8f0d913a08637a6d8145\/11-0.jpeg\" \/>\n<meta name=\"author\" content=\"\u6e05, \u626c\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u6e05, \u626c\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 \u5206\" \/>\n<script type=\"application\/ld+json\" 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