课程代码

2025-12-03 23:08:39 +08:00
commit 290f629d2c
63 changed files with 7065 additions and 0 deletions
--- a/nodejs/nodeExperiment5/.gitignore
+++ b/nodejs/nodeExperiment5/.gitignore
@@ -0,0 +1,36 @@
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+pnpm-debug.log*
+lerna-debug.log*
+
+node_modules
+.DS_Store
+dist
+dist-ssr
+coverage
+*.local
+
+# Editor directories and files
+.vscode/*
+!.vscode/extensions.json
+.idea
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+*.sw?
+
+*.tsbuildinfo
+
+.eslintcache
+
+# Cypress
+/cypress/videos/
+/cypress/screenshots/
+
+# Vitest
+__screenshots__/
--- a/nodejs/nodeExperiment5/index.js
+++ b/nodejs/nodeExperiment5/index.js
@@ -0,0 +1,141 @@
+// index.js
+const express = require('express');
+const mysql = require('mysql2');
+const app = express();
+const port = 3000;
+const cors = require('cors');
+
+// 创建 MySQL 数据库连接
+const db = mysql.createConnection({
+    host: 'localhost',
+    user: 'root',
+    password: '123456',
+    database: 'express_db'
+});
+
+// 连接到 MySQL 数据库
+db.connect((err) => {
+    if (err) {
+        console.error('Error connecting to MySQL database:', err);
+        return;
+    }
+    console.log('Connected to MySQL database');
+});
+
+// 设置 Express 应用的 JSON 和urlencoded中间件
+app.use(express.json());
+app.use(express.urlencoded({ extended: true }));
+app.use(cors());
+
+app.set('view engine', 'ejs');
+app.set('views', './public');
+
+
+app.get('/register-page', (req, res) => {
+    res.render('register');
+})
+
+// 处理表单提交的路由
+app.post('/register', (req, res) => {
+    const { username, password, email, gender, hobbies, city, description } = req.body;
+
+    let hobbiesStr = '';
+    if (Array.isArray(hobbies)) {
+        hobbiesStr = hobbies.join(',');
+    } else if (hobbies) {
+        hobbiesStr = hobbies;
+    }
+
+    // 构建插入数据的 SQL 语句
+    const sql = 'INSERT INTO users (username, password, email, gender, hobbies, city, description) VALUES (?, ?, ?, ?, ?, ?, ?)';
+    const values = [username, password, email, gender, hobbiesStr, city, description];
+
+    // 执行 SQL 语句
+    db.query(sql, values, (err, result) => {
+        if (err) {
+            console.error('Error inserting data into MySQL database:', err);
+            res.status(500).send('Error inserting data into MySQL database');
+            return;
+        }
+        console.log('Data inserted successfully');
+        res.send('Registration successful');
+    });
+});
+
+
+app.get('/login-page', (req, res) => {
+    res.render('login');
+});
+
+// 处理登录表单提交
+app.post('/login', (req, res) => {
+    const { username, password } = req.body;
+
+    // 构建查询用户的 SQL 语句
+    const sql = 'SELECT * FROM users WHERE username = ? AND password = ?';
+    const values = [username, password];
+
+    // 执行 SQL 语句
+    db.query(sql, values, (err, results) => {
+        if (err) {
+            console.error('Error querying the database:', err);
+            return;
+        }
+
+        if (results.length > 0) {
+            console.log('Login successful');
+            res.render('login', { message: '登录成功！' });
+        } else {
+            console.log('Login failed');
+            res.render('login', { message: '用户名或密码错误' });
+        }
+    });
+});
+
+
+
+app.get('/update-password-page', (req, res) => {
+    res.render('update-password');
+})
+
+// 处理更新用户密码的路由
+app.post('/update-password', (req, res) => {
+    const { username, currentPassword, newPassword } = req.body;
+
+    // 验证当前密码是否正确
+    const sqlCheck = 'SELECT * FROM users WHERE username = ? AND password = ?';
+    const checkValues = [username, currentPassword];
+
+    db.query(sqlCheck, checkValues, (err, results) => {
+        if (err) {
+            console.error('Error querying the database:', err);
+            res.status(500).send('Error querying the database');
+            return;
+        }
+
+        if (results.length === 0) {
+            console.log('当前密码输入错误');
+            res.status(400).send('Current password is incorrect');
+            return;
+        }
+
+        // 当前密码正确，更新新密码
+        const sqlUpdate = 'UPDATE users SET password = ? WHERE username = ?';
+        const updateValues = [newPassword, username];
+
+        db.query(sqlUpdate, updateValues, (err, result) => {
+            if (err) {
+                console.error('Error updating user password:', err);
+                res.status(500).send('Error updating user password');
+                return;
+            }
+            console.log('User password updated successfully');
+            res.send('User password updated successfully');
+        });
+    });
+});
+
+// 启动服务器
+app.listen(port, () => {
+    console.log(`Server is running on http://localhost:${port}`);
+});
--- a/nodejs/nodeExperiment5/package-lock.json
+++ b/nodejs/nodeExperiment5/package-lock.json
@@ -0,0 +1,975 @@
+{
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+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
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+      "name": "nodeexperiment5",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
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+        "express": "^5.1.0",
+        "mysql2": "^3.15.3"
+      }
+    },
+    "node_modules/accepts": {
+      "version": "2.0.0",
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+      "license": "MIT",
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+        "negotiator": "^1.0.0"
+      },
+      "engines": {
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+    },
+    "node_modules/aws-ssl-profiles": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmmirror.com/aws-ssl-profiles/-/aws-ssl-profiles-1.1.2.tgz",
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+      "license": "MIT",
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+        "content-type": "^1.0.5",
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+        "http-errors": "^2.0.0",
+        "iconv-lite": "^0.6.3",
+        "on-finished": "^2.4.1",
+        "qs": "^6.14.0",
+        "raw-body": "^3.0.0",
+        "type-is": "^2.0.0"
+      },
+      "engines": {
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+      "license": "MIT"
+    },
+    "node_modules/safer-buffer": {
+      "version": "2.1.2",
+      "resolved": "https://registry.npmmirror.com/safer-buffer/-/safer-buffer-2.1.2.tgz",
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "license": "MIT"
+    },
+    "node_modules/send": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/send/-/send-1.2.0.tgz",
+      "integrity": "sha512-uaW0WwXKpL9blXE2o0bRhoL2EGXIrZxQ2ZQ4mgcfoBxdFmQold+qWsD2jLrfZ0trjKL6vOw0j//eAwcALFjKSw==",
+      "license": "MIT",
+      "dependencies": {
+        "debug": "^4.3.5",
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "etag": "^1.8.1",
+        "fresh": "^2.0.0",
+        "http-errors": "^2.0.0",
+        "mime-types": "^3.0.1",
+        "ms": "^2.1.3",
+        "on-finished": "^2.4.1",
+        "range-parser": "^1.2.1",
+        "statuses": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/seq-queue": {
+      "version": "0.0.5",
+      "resolved": "https://registry.npmmirror.com/seq-queue/-/seq-queue-0.0.5.tgz",
+      "integrity": "sha512-hr3Wtp/GZIc/6DAGPDcV4/9WoZhjrkXsi5B/07QgX8tsdc6ilr7BFM6PM6rbdAX1kFSDYeZGLipIZZKyQP0O5Q=="
+    },
+    "node_modules/serve-static": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmmirror.com/serve-static/-/serve-static-2.2.0.tgz",
+      "integrity": "sha512-61g9pCh0Vnh7IutZjtLGGpTA355+OPn2TyDv/6ivP2h/AdAVX9azsoxmg2/M6nZeQZNYBEwIcsne1mJd9oQItQ==",
+      "license": "MIT",
+      "dependencies": {
+        "encodeurl": "^2.0.0",
+        "escape-html": "^1.0.3",
+        "parseurl": "^1.3.3",
+        "send": "^1.2.0"
+      },
+      "engines": {
+        "node": ">= 18"
+      }
+    },
+    "node_modules/setprototypeof": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/setprototypeof/-/setprototypeof-1.2.0.tgz",
+      "integrity": "sha512-E5LDX7Wrp85Kil5bhZv46j8jOeboKq5JMmYM3gVGdGH8xFpPWXUMsNrlODCrkoxMEeNi/XZIwuRvY4XNwYMJpw==",
+      "license": "ISC"
+    },
+    "node_modules/side-channel": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmmirror.com/side-channel/-/side-channel-1.1.0.tgz",
+      "integrity": "sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3",
+        "side-channel-list": "^1.0.0",
+        "side-channel-map": "^1.0.1",
+        "side-channel-weakmap": "^1.0.2"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-list": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/side-channel-list/-/side-channel-list-1.0.0.tgz",
+      "integrity": "sha512-FCLHtRD/gnpCiCHEiJLOwdmFP+wzCmDEkc9y7NsYxeF4u7Btsn1ZuwgwJGxImImHicJArLP4R0yX4c2KCrMrTA==",
+      "license": "MIT",
+      "dependencies": {
+        "es-errors": "^1.3.0",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-map": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/side-channel-map/-/side-channel-map-1.0.1.tgz",
+      "integrity": "sha512-VCjCNfgMsby3tTdo02nbjtM/ewra6jPHmpThenkTYh8pG9ucZ/1P8So4u4FGBek/BjpOVsDCMoLA/iuBKIFXRA==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/side-channel-weakmap": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/side-channel-weakmap/-/side-channel-weakmap-1.0.2.tgz",
+      "integrity": "sha512-WPS/HvHQTYnHisLo9McqBHOJk2FkHO/tlpvldyrnem4aeQp4hai3gythswg6p01oSoTl58rcpiFAjF2br2Ak2A==",
+      "license": "MIT",
+      "dependencies": {
+        "call-bound": "^1.0.2",
+        "es-errors": "^1.3.0",
+        "get-intrinsic": "^1.2.5",
+        "object-inspect": "^1.13.3",
+        "side-channel-map": "^1.0.1"
+      },
+      "engines": {
+        "node": ">= 0.4"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
+    "node_modules/sqlstring": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmmirror.com/sqlstring/-/sqlstring-2.3.3.tgz",
+      "integrity": "sha512-qC9iz2FlN7DQl3+wjwn3802RTyjCx7sDvfQEXchwa6CWOx07/WVfh91gBmQ9fahw8snwGEWU3xGzOt4tFyHLxg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/statuses": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmmirror.com/statuses/-/statuses-2.0.2.tgz",
+      "integrity": "sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/toidentifier": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmmirror.com/toidentifier/-/toidentifier-1.0.1.tgz",
+      "integrity": "sha512-o5sSPKEkg/DIQNmH43V0/uerLrpzVedkUh8tGNvaeXpfpuwjKenlSox/2O/BTlZUtEe+JG7s5YhEz608PlAHRA==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.6"
+      }
+    },
+    "node_modules/type-is": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmmirror.com/type-is/-/type-is-2.0.1.tgz",
+      "integrity": "sha512-OZs6gsjF4vMp32qrCbiVSkrFmXtG/AZhY3t0iAMrMBiAZyV9oALtXO8hsrHbMXF9x6L3grlFuwW2oAz7cav+Gw==",
+      "license": "MIT",
+      "dependencies": {
+        "content-type": "^1.0.5",
+        "media-typer": "^1.1.0",
+        "mime-types": "^3.0.0"
+      },
+      "engines": {
+        "node": ">= 0.6"
+      }
+    },
+    "node_modules/unpipe": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/unpipe/-/unpipe-1.0.0.tgz",
+      "integrity": "sha512-pjy2bYhSsufwWlKwPc+l3cN7+wuJlK6uz0YdJEOlQDbl6jo/YlPi4mb8agUkVC8BF7V8NuzeyPNqRksA3hztKQ==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/vary": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmmirror.com/vary/-/vary-1.1.2.tgz",
+      "integrity": "sha512-BNGbWLfd0eUPabhkXUVm0j8uuvREyTh5ovRa/dyow/BqAbZJyC+5fU+IzQOzmAKzYqYRAISoRhdQr3eIZ/PXqg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 0.8"
+      }
+    },
+    "node_modules/wrappy": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmmirror.com/wrappy/-/wrappy-1.0.2.tgz",
+      "integrity": "sha512-l4Sp/DRseor9wL6EvV2+TuQn63dMkPjZ/sp9XkghTEbV9KlPS1xUsZ3u7/IQO4wxtcFB4bgpQPRcR3QCvezPcQ==",
+      "license": "ISC"
+    }
+  }
+}
--- a/nodejs/nodeExperiment5/package.json
+++ b/nodejs/nodeExperiment5/package.json
@@ -0,0 +1,20 @@
+{
+  "name": "nodeexperiment5",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "start": "node index.js",
+    "dev": "nodemon index.js",
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "cors": "^2.8.5",
+    "express": "^5.1.0",
+    "mysql2": "^3.15.3"
+  },
+  "devDependencies": {}
+}
--- a/nodejs/nodeExperiment5/public/login.ejs
+++ b/nodejs/nodeExperiment5/public/login.ejs
@@ -0,0 +1,28 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>登录</title>
+</head>
+<body>
+    <h1>用户登录</h1>
+    
+    <form action="/login" method="POST">
+        <div>
+            <label for="username">用户名:</label>
+            <input type="text" id="username" name="username" required>
+        </div>
+        
+        <div>
+            <label for="password">密码:</label>
+            <input type="password" id="password" name="password" required>
+        </div>
+        
+        <div>
+            <button type="submit">登录</button>
+        </div>
+    </form>
+    
+</body>
+</html>
--- a/nodejs/nodeExperiment5/public/register.ejs
+++ b/nodejs/nodeExperiment5/public/register.ejs
@@ -0,0 +1,53 @@
+<!DOCTYPE html>
+<html lang="zh-CN">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>注册</title>
+</head>
+
+<body>
+    <h1>注册</h1>
+    <form action="/register" method="post">
+        <label for="username">用户名:</label>
+        <input type="text" id="username" name="username" required><br><br>
+
+        <label for="password">密码:</label>
+        <input type="password" id="password" name="password" required><br><br>
+
+        <label for="email">邮箱:</label>
+        <input type="email" id="email" name="email" required><br><br>
+
+        <label for="gender">性别:</label>
+        <input type="radio" id="male" name="gender" value="male" required>
+        <label for="male">男</label>
+        <input type="radio" id="female" name="gender" value="female" required>
+        <label for="female">女</label><br><br>
+
+        <label for="hobbies">爱好:</label>
+        <input type="checkbox" id="hobby1" name="hobbies" value="reading">
+        <label for="hobby1">阅读</label>
+        <input type="checkbox" id="hobby2" name="hobbies" value="music">
+        <label for="hobby2">音乐</label>
+        <input type="checkbox" id="hobby3" name="hobbies" value="sports">
+        <label for="hobby3">运动</label><br><br>
+
+        <label for="city">城市:</label>
+        <select id="city" name="city" required>
+            <option value="">请选择城市</option>
+            <option value="beijing">北京</option>
+            <option value="shanghai">上海</option>
+            <option value="guangzhou">广州</option>
+            <option value="shenzhen">深圳</option>
+        </select><br><br>
+
+        <label for="description">个人描述:</label><br>
+        <textarea id="description" name="description" rows="4" cols="50"></textarea><br><br>
+
+        <button type="submit">注册</button>
+    </form>
+
+</body>
+
+</html>
--- a/nodejs/nodeExperiment5/public/update.ejs
+++ b/nodejs/nodeExperiment5/public/update.ejs
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>修改</title>
+</head>
+
+<body>
+    <!-- 修改密码 -->
+    <form action="/update-password" method="post">
+        <label for="username">用户名：</label>
+        <input type="text" name="username" id="username" required>
+        <label for="currentPassword">旧密码：</label>
+        <input type="password" name="currentPassword" id="currentPassword" required>
+        <label for="newPassword">新密码：</label>
+        <input type="password" name="newPassword" id="newPassword" required>
+        <button type="submit">修改</button>
+    </form>
+
+</body>
+
+</html>