课程代码

nodejs/nodeExperiment3/router/userRouter.js

@@ -0,0 +1,90 @@
+const express = require("express");
+const joi = require("joi");
+const router = express.Router();
+
+
+router.get('/userId/:userId', (req, res) => {
+    const userId = req.params.userId;
+    const { error } = joi.number().validate(userId);
+    if (error) {
+        return res.status(400).send('Invalid userID');
+    }
+    res.send(`User Id is ${userId}`);
+});
+
+router.get('/userName', (req, res) => {
+    const { name } = req.query;
+    const schema = joi.object({
+        name: joi.string().min(2).max(20).required()
+    });
+    const { error } = schema.validate({ name });
+    if (error) {
+        return res.status(400).send('Invalid user name');
+    }
+    res.send(`User name is ${name}`);
+});
+
+
+router.get('/profile', (req, res) => {
+    res.send('This is the user profile page.');
+});
+
+router.get('/profile/settings', (req, res) => {
+    res.send('This is the user profile settings page.');
+});
+
+
+const scores = [
+    { name: 'zs', course: 'app', score: 90 },
+    { name: 'zs', course: 'java', score: 80 },
+    { name: 'ls', course: 'app', score: 89 },
+    { name: 'ls', course: 'java', score: 99 },
+    { name: 'ww', course: 'app', score: 78 },
+    { name: 'ww', course: 'java', score: 88 },
+];
+
+router.get('/myScore', (req, res) => {
+    const name = req.query.name;
+    const result = scores.filter(s => s.name === name);
+    res.json({ name, scores: result });
+});
+
+router.get('/showScore', (req, res) => {
+    const sorted = [...scores].sort((a, b) => a.score - b.score);
+    const avg = {};
+    scores.forEach(s => {
+        avg[s.name] = (avg[s.name] || { total: 0, count: 0 });
+        avg[s.name].total += s.score;
+        avg[s.name].count++;
+    });
+    const avgResult = Object.entries(avg).map(([name, data]) => ({
+        name,
+        average: data.total / data.count
+    }));
+    res.json({ "升序排列": sorted, "平均分": avgResult });
+});
+
+const moneys = [
+    { name: '张三', mny: '9k' },
+    { name: '李四', mny: 15000 },
+    { name: '王五', mny: '1w' },
+    { name: '随便', mny: 6666 }
+];
+
+
+router.get('/filterMoney', (req, res) => {
+    const parse = (mny) => {
+        if (typeof mny === 'number') return mny;
+        if (mny.endsWith('k')) return parseFloat(mny) * 1000;
+        if (mny.endsWith('w')) return parseFloat(mny) * 10000;
+        return 0;
+    };
+
+    const result = moneys
+        .map(item => ({ ...item, num: parse(item.mny) }))
+        .filter(item => item.num >= 9000)
+        .sort((a, b) => b.num - a.num);
+    res.json(result);
+});
+
+module.exports = router;