{"id":2802,"date":"2025-03-15T19:46:09","date_gmt":"2025-03-15T11:46:09","guid":{"rendered":"https:\/\/www.laixuexila.com\/?p=2802"},"modified":"2025-03-15T19:46:09","modified_gmt":"2025-03-15T11:46:09","slug":"python-cgi-%e7%bc%96%e7%a8%8b%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.laixuexila.com\/index.php\/2025\/03\/15\/python-cgi-%e7%bc%96%e7%a8%8b%e8%af%a6%e8%a7%a3\/","title":{"rendered":"Python CGI \u7f16\u7a0b\u8be6\u89e3"},"content":{"rendered":"\n

CGI\uff08Common Gateway Interface\uff0c\u901a\u7528\u7f51\u5173\u63a5\u53e3\uff09\u662f Web \u670d\u52a1\u5668\u4e0e\u5916\u90e8\u5e94\u7528\u7a0b\u5e8f\u901a\u4fe1\u7684\u6807\u51c6\u65b9\u5f0f\u3002Python \u53ef\u4ee5\u4f7f\u7528 CGI \u7f16\u5199\u52a8\u6001 Web \u9875\u9762\uff0c\u5904\u7406\u7528\u6237\u63d0\u4ea4\u7684\u8868\u5355\u6570\u636e\u7b49\u3002<\/p>\n\n\n\n

1. CGI \u6982\u8ff0<\/strong><\/h2>\n\n\n\n

CGI\uff08Common Gateway Interface\uff0c\u901a\u7528\u7f51\u5173\u63a5\u53e3\uff09<\/strong> \u662f Web \u670d\u52a1\u5668\u4e0e\u5916\u90e8\u7a0b\u5e8f\u901a\u4fe1\u7684\u6807\u51c6\u65b9\u5f0f\u3002\u5b83\u5141\u8bb8 Web \u670d\u52a1\u5668\u6267\u884c\u5916\u90e8\u7a0b\u5e8f\uff08\u5982 Python \u811a\u672c\uff09\uff0c\u5e76\u5c06\u5176\u8f93\u51fa\u4f5c\u4e3a HTTP \u54cd\u5e94\u8fd4\u56de\u7ed9\u6d4f\u89c8\u5668\u3002<\/p>\n\n\n\n

1.1 CGI \u7684\u4f5c\u7528<\/strong><\/h3>\n\n\n\n
    \n
  • \u5904\u7406 \u8868\u5355\u63d0\u4ea4<\/strong><\/li>\n\n\n\n
  • \u751f\u6210 \u52a8\u6001\u7f51\u9875<\/strong><\/li>\n\n\n\n
  • \u8bbf\u95ee\u6570\u636e\u5e93\u5e76\u8fd4\u56de \u67e5\u8be2\u7ed3\u679c<\/strong><\/li>\n\n\n\n
  • \u8bfb\u53d6\u670d\u52a1\u5668\u7aef\u6570\u636e\u5e76 \u8fd4\u56de JSON\/XML<\/strong><\/li>\n<\/ul>\n\n\n\n
    \n\n\n\n

    2. CGI \u670d\u52a1\u5668\u914d\u7f6e<\/strong><\/h2>\n\n\n\n

    CGI \u811a\u672c\u901a\u5e38\u653e\u5728 cgi-bin<\/code> \u76ee\u5f55\u4e0b\uff0c\u4e14\u9700\u8981 \u6267\u884c\u6743\u9650<\/strong>\u3002<\/p>\n\n\n\n

    2.1 \u914d\u7f6e Apache \u670d\u52a1\u5668<\/strong><\/h3>\n\n\n\n
      \n
    1. \u542f\u7528 CGI \u6a21\u5757<\/strong><\/li>\n<\/ol>\n\n\n\n
         sudo a2enmod cgi<\/code><\/pre>\n\n\n\n
        \n
      1. \u4fee\u6539 Apache \u914d\u7f6e<\/strong>
        \u7f16\u8f91 \/etc\/apache2\/sites-enabled\/000-default.conf<\/code>\uff1a<\/li>\n<\/ol>\n\n\n\n
           <Directory \"\/usr\/lib\/cgi-bin\">\n       Options +ExecCGI\n       AddHandler cgi-script .cgi .py\n   <\/Directory><\/code><\/pre>\n\n\n\n
          \n
        1. \u91cd\u542f Apache<\/strong><\/li>\n<\/ol>\n\n\n\n
             sudo systemctl restart apache2<\/code><\/pre>\n\n\n\n
          2.2 \u4f7f\u7528 Python \u5185\u7f6e HTTP \u670d\u52a1\u5668<\/strong><\/h3>\n\n\n\n
          python3 -m http.server --cgi 8000<\/code><\/pre>\n\n\n\n
          \u8bbf\u95ee http:\/\/localhost:8000\/cgi-bin\/test.py<\/code> \u5373\u53ef\u6267\u884c CGI \u811a\u672c\u3002<\/strong><\/p>\n\n\n\n
          \n\n\n\n
          3. \u7f16\u5199 Python CGI \u811a\u672c<\/strong><\/h2>\n\n\n\n
          \u521b\u5efa cgi-bin\/hello.py<\/code>\uff1a<\/p>\n\n\n\n
          #!\/usr\/bin\/python3\n# -*- coding: utf-8 -*-\n\nprint(\"Content-Type: text\/html\")  # HTTP \u5934\u90e8\nprint()  # \u7a7a\u884c\uff0c\u5206\u9694\u5934\u90e8\u548c\u5185\u5bb9\nprint(\"<html><body><h2>Hello, CGI!<\/h2><\/body><\/html>\")<\/code><\/pre>\n\n\n\n
          \u8d4b\u4e88\u6267\u884c\u6743\u9650\uff1a<\/p>\n\n\n\n
          chmod +x cgi-bin\/hello.py<\/code><\/pre>\n\n\n\n
          \u6d4f\u89c8\u5668\u8bbf\u95ee\uff1a<\/p>\n\n\n\n
          http://localhost\/cgi-bin\/hello.py<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          4. \u5904\u7406 GET \u548c POST \u8bf7\u6c42<\/strong><\/h2>\n\n\n\n
          4.1 \u5904\u7406 GET \u8bf7\u6c42<\/strong><\/h3>\n\n\n\n
          \u5982\u679c\u8bbf\u95ee\uff1a<\/p>\n\n\n\n
          http://localhost\/cgi-bin\/get.py?name=Tom&age=25<\/code><\/pre>\n\n\n\n
          \u53ef\u4ee5\u8bfb\u53d6 URL \u53c2\u6570\uff1a<\/p>\n\n\n\n
          #!\/usr\/bin\/python3\nimport cgi\n\nprint(\"Content-Type: text\/html\\n\")\n\nform = cgi.FieldStorage()\nname = form.getvalue(\"name\", \"\u533f\u540d\")\nage = form.getvalue(\"age\", \"\u672a\u77e5\")\n\nprint(f\"<html><body><h2>\u59d3\u540d: {name}, \u5e74\u9f84: {age}<\/h2><\/body><\/html>\")<\/code><\/pre>\n\n\n\n
          4.2 \u5904\u7406 POST \u8bf7\u6c42<\/strong><\/h3>\n\n\n\n
          HTML \u8868\u5355\uff1a<\/p>\n\n\n\n
          <form action=\"\/cgi-bin\/post.py\" method=\"post\">\n    \u540d\u5b57: <input type=\"text\" name=\"username\">\n    <input type=\"submit\" value=\"\u63d0\u4ea4\">\n<\/form><\/code><\/pre>\n\n\n\n
          Python \u5904\u7406\uff1a<\/p>\n\n\n\n
          #!\/usr\/bin\/python3\nimport cgi\n\nform = cgi.FieldStorage()\nusername = form.getvalue(\"username\", \"\u6e38\u5ba2\")\n\nprint(\"Content-Type: text\/html\\n\")\nprint(f\"<h2>\u4f60\u597d, {username}!<\/h2>\")<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          5. \u8bfb\u53d6 CGI \u73af\u5883\u53d8\u91cf<\/strong><\/h2>\n\n\n\n
          \u670d\u52a1\u5668\u901a\u8fc7\u73af\u5883\u53d8\u91cf\u4f20\u9012\u4fe1\u606f\uff1a<\/p>\n\n\n\n
          #!\/usr\/bin\/python3\nimport os\n\nprint(\"Content-Type: text\/html\\n\")\nprint(\"<html><body><h2>\u73af\u5883\u53d8\u91cf<\/h2><ul>\")\nfor key, value in os.environ.items():\n    print(f\"<li><b>{key}<\/b>: {value}<\/li>\")\nprint(\"<\/ul><\/body><\/html>\")<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          6. \u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/strong><\/h2>\n\n\n\n
          HTML \u4e0a\u4f20\u8868\u5355\uff1a<\/p>\n\n\n\n
          <form action=\"\/cgi-bin\/upload.py\" method=\"post\" enctype=\"multipart\/form-data\">\n    <input type=\"file\" name=\"file\">\n    <input type=\"submit\" value=\"\u4e0a\u4f20\">\n<\/form><\/code><\/pre>\n\n\n\n
          Python \u5904\u7406\uff1a<\/p>\n\n\n\n
          #!\/usr\/bin\/python3\nimport cgi, os\n\nform = cgi.FieldStorage()\nfile_item = form[\"file\"]\n\nif file_item.filename:\n    filename = os.path.basename(file_item.filename)\n    with open(f\"\/tmp\/{filename}\", \"wb\") as f:\n        f.write(file_item.file.read())\n\n    print(\"Content-Type: text\/html\\n\")\n    print(f\"<h2>\u6587\u4ef6 {filename} \u4e0a\u4f20\u6210\u529f\uff01<\/h2>\")<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          7. \u4f7f\u7528 Cookie<\/strong><\/h2>\n\n\n\n
          7.1 \u8bbe\u7f6e Cookie<\/strong><\/h3>\n\n\n\n
          import http.cookies\n\ncookie = http.cookies.SimpleCookie()\ncookie[\"username\"] = \"Tom\"\ncookie[\"username\"][\"max-age\"] = 3600\n\nprint(\"Content-Type: text\/html\")\nprint(cookie)\nprint()\nprint(\"<h2>Cookie \u5df2\u8bbe\u7f6e\uff01<\/h2>\")<\/code><\/pre>\n\n\n\n
          7.2 \u8bfb\u53d6 Cookie<\/strong><\/h3>\n\n\n\n
          import os, http.cookies\n\ncookie_string = os.environ.get(\"HTTP_COOKIE\", \"\")\ncookies = http.cookies.SimpleCookie(cookie_string)\nusername = cookies.get(\"username\")\n\nprint(\"Content-Type: text\/html\\n\")\nprint(f\"<h2>\u6b22\u8fce\u56de\u6765, {username.value if username else '\u6e38\u5ba2'}!<\/h2>\")<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          8. Session \u7ba1\u7406<\/strong><\/h2>\n\n\n\n
          CGI \u4e0d\u80fd\u76f4\u63a5\u7ba1\u7406 Session\uff0c\u9700\u8981\u624b\u52a8\u5b9e\u73b0\uff1a<\/p>\n\n\n\n
          import uuid, os\n\nsession_id = str(uuid.uuid4())\nsession_dir = \"\/tmp\/sessions\"\nos.makedirs(session_dir, exist_ok=True)\n\nwith open(f\"{session_dir}\/{session_id}\", \"w\") as f:\n    f.write(\"user=Tom\")\n\nprint(\"Content-Type: text\/html\")\nprint(f\"Set-Cookie: session_id={session_id}\")\nprint()\nprint(\"<h2>Session \u521b\u5efa\u6210\u529f\uff01<\/h2>\")<\/code><\/pre>\n\n\n\n
          \n\n\n\n
          9. \u5b89\u5168\u6027<\/strong><\/h2>\n\n\n\n
            \n
          • \u907f\u514d XSS<\/strong>\uff1a\u4f7f\u7528 html.escape()<\/code> \u5904\u7406\u7528\u6237\u8f93\u5165\uff1a<\/li>\n<\/ul>\n\n\n\n
              import html\n  safe_input = html.escape(\"<script>alert('XSS')<\/script>\")<\/code><\/pre>\n\n\n\n
              \n
            • \u907f\u514d SQL \u6ce8\u5165<\/strong>\uff1a\u4f7f\u7528\u53c2\u6570\u5316\u67e5\u8be2\uff1a<\/li>\n<\/ul>\n\n\n\n
                cursor.execute(\"SELECT * FROM users WHERE name = %s\", (username,))<\/code><\/pre>\n\n\n\n
                \n
              • \u9632\u6b62\u6587\u4ef6\u4e0a\u4f20\u653b\u51fb<\/strong>\uff1a<\/li>\n<\/ul>\n\n\n\n
                  allowed_types = [\"image\/png\", \"image\/jpeg\"]\n  if file_item.type not in allowed_types:\n      print(\"\u4e0d\u5141\u8bb8\u7684\u6587\u4ef6\u7c7b\u578b\")<\/code><\/pre>\n\n\n\n
                \n\n\n\n
                10. CGI vs. WSGI<\/strong><\/h2>\n\n\n\n
                \u7279\u6027<\/th>CGI<\/th>WSGI<\/th><\/tr><\/thead>
                \u8fdb\u7a0b\u7ba1\u7406<\/td>\u6bcf\u4e2a\u8bf7\u6c42\u65b0\u8fdb\u7a0b<\/td>\u8fd0\u884c\u4e00\u4e2a\u957f\u671f\u8fdb\u7a0b<\/td><\/tr>
                \u6027\u80fd<\/td>\u4f4e<\/td>\u9ad8<\/td><\/tr>
                \u9002\u7528\u573a\u666f<\/td>\u5c0f\u578b\u9879\u76ee<\/td>\u73b0\u4ee3 Web \u5e94\u7528<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
                WSGI \u63a8\u8350\u4f7f\u7528 Flask \u6216 Django<\/strong> \u4ee3\u66ff CGI\u3002<\/p>\n\n\n\n
                \n\n\n\n
                11. \u90e8\u7f72 CGI<\/strong><\/h2>\n\n\n\n
                  \n
                1. \u670d\u52a1\u5668\u5b89\u88c5 Apache<\/code> \u5e76\u542f\u7528 cgi<\/code><\/li>\n\n\n\n
                2. \u786e\u4fdd cgi-bin<\/code> \u76ee\u5f55\u53ef\u6267\u884c\uff1a<\/li>\n<\/ol>\n\n\n\n
                     chmod +x \/usr\/lib\/cgi-bin\/<\/code><\/pre>\n\n\n\n
                    \n
                  1. \u4e0a\u4f20 *.py<\/code> CGI \u811a\u672c\uff0c\u8bbf\u95ee URL\u3002<\/li>\n<\/ol>\n\n\n\n
                    \n\n\n\n
                    12. CGI \u5b9e\u6218\u9879\u76ee\uff1a\u6784\u5efa\u4e00\u4e2a\u7559\u8a00\u677f<\/strong><\/h2>\n\n\n\n
                    \u4e3a\u4e86\u66f4\u597d\u5730\u7406\u89e3 CGI \u7f16\u7a0b\uff0c\u6211\u4eec\u4f7f\u7528 Python + CGI + SQLite<\/strong> \u5b9e\u73b0\u4e00\u4e2a\u7b80\u5355\u7684 Web \u7559\u8a00\u677f<\/strong>\uff0c\u7528\u6237\u53ef\u4ee5\u63d0\u4ea4\u7559\u8a00\u5e76\u5728\u9875\u9762\u4e0a\u663e\u793a\u6240\u6709\u7559\u8a00\u3002<\/p>\n\n\n\n
                    \n\n\n\n
                    12.1 \u9879\u76ee\u7ed3\u6784<\/strong><\/h3>\n\n\n\n
                    \/var\/www\/cgi-bin\/\n\u2502\u2500\u2500 index.html          # \u524d\u7aef HTML \u9875\u9762\n\u2502\u2500\u2500 post_message.py     # \u5904\u7406\u7559\u8a00\u7684 CGI \u811a\u672c\n\u2502\u2500\u2500 get_messages.py     # \u83b7\u53d6\u6240\u6709\u7559\u8a00\u7684 CGI \u811a\u672c\n\u2502\u2500\u2500 messages.db         # SQLite \u6570\u636e\u5e93\u6587\u4ef6<\/code><\/pre>\n\n\n\n
                    \n\n\n\n
                    12.2 \u521b\u5efa SQLite \u6570\u636e\u5e93<\/strong><\/h3>\n\n\n\n
                    \u9996\u5148\uff0c\u6211\u4eec\u521b\u5efa\u4e00\u4e2a SQLite \u6570\u636e\u5e93 messages.db<\/code> \u5e76\u6dfb\u52a0 messages<\/code> \u8868\uff1a<\/p>\n\n\n\n
                    #!\/usr\/bin\/python3\nimport sqlite3\n\nconn = sqlite3.connect(\"messages.db\")\ncursor = conn.cursor()\n\ncursor.execute(\"\"\"\nCREATE TABLE IF NOT EXISTS messages (\n    id INTEGER PRIMARY KEY AUTOINCREMENT,\n    name TEXT NOT NULL,\n    message TEXT NOT NULL\n)\n\"\"\")\n\nconn.commit()\nconn.close()\nprint(\"\u6570\u636e\u5e93\u521d\u59cb\u5316\u5b8c\u6210\")<\/code><\/pre>\n\n\n\n
                    \u6267\u884c\u8be5\u811a\u672c\uff0c\u521b\u5efa\u6570\u636e\u5e93\u3002<\/p>\n\n\n\n
                    \n\n\n\n
                    12.3 \u521b\u5efa\u7559\u8a00 HTML \u9875\u9762<\/strong><\/h3>\n\n\n\n
                    \u65b0\u5efa index.html<\/code>\uff1a<\/p>\n\n\n\n
                    <!DOCTYPE html>\n<html lang=\"zh\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title>\u7559\u8a00\u677f<\/title>\n<\/head>\n<body>\n    <h2>\u7559\u8a00\u677f<\/h2>\n    <form action=\"\/cgi-bin\/post_message.py\" method=\"post\">\n        <label>\u59d3\u540d: <input type=\"text\" name=\"name\" required><\/label><br>\n        <label>\u7559\u8a00: <textarea name=\"message\" required><\/textarea><\/label><br>\n        <input type=\"submit\" value=\"\u63d0\u4ea4\">\n    <\/form>\n\n    <h3>\u6240\u6709\u7559\u8a00<\/h3>\n    <div id=\"messages\"><\/div>\n\n    <script>\n        async function fetchMessages() {\n            const response = await fetch('\/cgi-bin\/get_messages.py');\n            document.getElementById('messages').innerHTML = await response.text();\n        }\n        fetchMessages();\n    <\/script>\n<\/body>\n<\/html><\/code><\/pre>\n\n\n\n
                    \n\n\n\n
                    12.4 \u5904\u7406\u7528\u6237\u7559\u8a00<\/strong><\/h3>\n\n\n\n
                    \u521b\u5efa post_message.py<\/code> \u5904\u7406\u7559\u8a00\u63d0\u4ea4\uff1a<\/p>\n\n\n\n
                    #!\/usr\/bin\/python3\n# -*- coding: utf-8 -*-\nimport cgi, sqlite3\n\nprint(\"Content-Type: text\/html\\n\")\n\n# \u83b7\u53d6\u8868\u5355\u6570\u636e\nform = cgi.FieldStorage()\nname = form.getvalue(\"name\", \"\u533f\u540d\")\nmessage = form.getvalue(\"message\", \"\")\n\nif not message:\n    print(\"<h3>\u7559\u8a00\u5185\u5bb9\u4e0d\u80fd\u4e3a\u7a7a\uff01<\/h3>\")\n    exit()\n\n# \u8fde\u63a5\u6570\u636e\u5e93\nconn = sqlite3.connect(\"messages.db\")\ncursor = conn.cursor()\n\n# \u63d2\u5165\u6570\u636e\ncursor.execute(\"INSERT INTO messages (name, message) VALUES (?, ?)\", (name, message))\nconn.commit()\nconn.close()\n\n# \u9875\u9762\u8df3\u8f6c\nprint(\"<h3>\u7559\u8a00\u63d0\u4ea4\u6210\u529f\uff01<a href='\/index.html'>\u8fd4\u56de<\/a><\/h3>\")<\/code><\/pre>\n\n\n\n
                    \n\n\n\n
                    12.5 \u83b7\u53d6\u6240\u6709\u7559\u8a00<\/strong><\/h3>\n\n\n\n
                    \u521b\u5efa get_messages.py<\/code>\uff1a<\/p>\n\n\n\n
                    #!\/usr\/bin\/python3\n# -*- coding: utf-8 -*-\nimport sqlite3\n\nprint(\"Content-Type: text\/html\\n\")\n\n# \u8fde\u63a5\u6570\u636e\u5e93\nconn = sqlite3.connect(\"messages.db\")\ncursor = conn.cursor()\n\n# \u8bfb\u53d6\u6240\u6709\u7559\u8a00\ncursor.execute(\"SELECT name, message FROM messages ORDER BY id DESC\")\nmessages = cursor.fetchall()\nconn.close()\n\n# \u6e32\u67d3 HTML\nif messages:\n    for name, message in messages:\n        print(f\"<p><b>{name}:<\/b> {message}<\/p>\")\nelse:\n    print(\"<p>\u6682\u65e0\u7559\u8a00<\/p>\")<\/code><\/pre>\n\n\n\n
                    \n\n\n\n
                    13. CGI \u8fdb\u9636\u4f18\u5316<\/strong><\/h2>\n\n\n\n
                    14.1 \u4f18\u5316 CGI \u5904\u7406\u6027\u80fd<\/strong><\/h3>\n\n\n\n
                    CGI \u5728\u6bcf\u6b21\u8bf7\u6c42\u65f6\u90fd\u4f1a\u521b\u5efa\u65b0\u8fdb\u7a0b\uff0c\u5f71\u54cd\u6027\u80fd\uff0c\u53ef\u4f7f\u7528\uff1a<\/p>\n\n\n\n
                      \n
                    • FastCGI<\/strong>\uff08nginx + uwsgi\uff09<\/li>\n\n\n\n
                    • WSGI<\/strong>\uff08Flask\u3001Django\uff09<\/li>\n\n\n\n
                    • \u6301\u4e45\u5316\u8fde\u63a5<\/strong>\uff08\u5982 mod_wsgi<\/code>\uff09<\/li>\n<\/ul>\n\n\n\n
                      \n\n\n\n
                      14.2 \u5904\u7406\u5e76\u53d1\u8bf7\u6c42<\/strong><\/h3>\n\n\n\n
                      CGI \u9002\u7528\u4e8e\u5c0f\u578b\u5e94\u7528<\/strong>\uff0c\u4f46\u4e0d\u9002\u5408\u9ad8\u5e76\u53d1\u3002\u53ef\u4f7f\u7528\uff1a<\/p>\n\n\n\n
                        \n
                      • Nginx + uWSGI<\/strong><\/li>\n\n\n\n
                      • Python Flask\/Django<\/strong><\/li>\n<\/ul>\n\n\n\n
                        \u793a\u4f8b Flask \u7248\u672c\uff1a<\/p>\n\n\n\n
                        from flask import Flask, request, render_template\nimport sqlite3\n\napp = Flask(__name__)\n\n@app.route('\/')\ndef index():\n    return render_template(\"index.html\")\n\n@app.route('\/post', methods=['POST'])\ndef post_message():\n    name = request.form.get(\"name\", \"\u533f\u540d\")\n    message = request.form.get(\"message\", \"\")\n    conn = sqlite3.connect(\"messages.db\")\n    cursor = conn.cursor()\n    cursor.execute(\"INSERT INTO messages (name, message) VALUES (?, ?)\", (name, message))\n    conn.commit()\n    conn.close()\n    return \"\u7559\u8a00\u63d0\u4ea4\u6210\u529f\"\n\nif __name__ == '__main__':\n    app.run(debug=True)<\/code><\/pre>\n\n\n\n
                        \u8fd9\u6837\u5c31\u7528 Flask \u66ff\u4ee3\u4e86 CGI\uff0c\u63d0\u9ad8\u4e86\u6027\u80fd\u3002<\/p>\n\n\n\n
                        \n\n\n\n
                        15. CGI \u5b89\u5168\u9632\u62a4<\/strong><\/h2>\n\n\n\n
                        15.1 \u9632\u6b62 SQL \u6ce8\u5165<\/strong><\/h3>\n\n\n\n
                        \u6c38\u8fdc\u4f7f\u7528 \u53c2\u6570\u5316\u67e5\u8be2<\/strong>\uff1a<\/p>\n\n\n\n
                        cursor.execute(\"INSERT INTO messages (name, message) VALUES (?, ?)\", (name, message))<\/code><\/pre>\n\n\n\n
                        \u907f\u514d\uff1a<\/p>\n\n\n\n
                        cursor.execute(f\"INSERT INTO messages (name, message) VALUES ('{name}', '{message}')\")  # SQL \u6ce8\u5165\u98ce\u9669<\/code><\/pre>\n\n\n\n
                        15.2 \u9632\u6b62 XSS\uff08\u8de8\u7ad9\u811a\u672c\u653b\u51fb\uff09<\/strong><\/h3>\n\n\n\n
                        \u4f7f\u7528 html.escape()<\/code> \u5904\u7406\u7528\u6237\u8f93\u5165\uff1a<\/p>\n\n\n\n
                        import html\nsafe_message = html.escape(message)<\/code><\/pre>\n\n\n\n
                        \n\n\n\n
                        \u901a\u8fc7\u672c\u6559\u7a0b\uff0c\u6211\u4eec\u5b66\u4f1a\u4e86\uff1a
                        \u2705 CGI \u670d\u52a1\u5668\u914d\u7f6e<\/strong>
                        \u2705 Python CGI \u5904\u7406 GET\/POST<\/strong>
                        \u2705 CGI \u5904\u7406\u6587\u4ef6\u4e0a\u4f20<\/strong>
                        \u2705 CGI \u4f7f\u7528 Cookie \u548c Session<\/strong>
                        \u2705 \u6784\u5efa\u7559\u8a00\u677f\u5e94\u7528<\/strong>
                        \u2705 \u5b89\u5168\u6027\u9632\u62a4\uff08SQL \u6ce8\u5165 & XSS\uff09<\/strong><\/p>\n\n\n\n
                        \u66f4\u591a\u8be6\u7ec6\u5185\u5bb9\u8bf7\u5173\u6ce8\u5176\u4ed6\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
                        CGI\uff08Common Gateway Interface\uff0c\u901a\u7528\u7f51\u5173\u63a5\u53e3\uff09\u662f Web \u670d\u52a1\u5668\u4e0e\u5916\u90e8\u5e94\u7528\u7a0b\u5e8f\u901a\u4fe1\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":2803,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79],"tags":[],"class_list":["post-2802","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-python-3-"],"_links":{"self":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2802","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/comments?post=2802"}],"version-history":[{"count":1,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2802\/revisions"}],"predecessor-version":[{"id":2804,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/posts\/2802\/revisions\/2804"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media\/2803"}],"wp:attachment":[{"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/media?parent=2802"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/categories?post=2802"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laixuexila.com\/index.php\/wp-json\/wp\/v2\/tags?post=2802"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}