.1502411993651747:1cd5de9345adc6d984e71b03db10f223_69f19519666bfaca1f19786f.69f1951d666bfaca1f197871.69f1951d2ccd556b15f76b69:Trae CN.T(2026/4/29 13:20:29)

src/App.css

@@ -155,3 +155,207 @@ input[type='number'] {
     width: 300px;
   }
 }
+
+select {
+  border: 1px solid #dedede;
+  border-radius: 2px;
+  display: block;
+  font-size: 16px;
+  padding: 10px;
+  width: 100%;
+  background-color: #fff;
+  cursor: pointer;
+}
+
+input[type='date'] {
+  border: 1px solid #dedede;
+  border-radius: 2px;
+  display: block;
+  font-size: 16px;
+  padding: 10px;
+  width: 100%;
+}
+
+.list li {
+  background-color: #fff;
+  box-shadow: var(--box-shadow);
+  color: #333;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  position: relative;
+  padding: 10px;
+  margin: 10px 0;
+}
+
+.transaction-info {
+  display: flex;
+  flex-direction: column;
+  flex: 1;
+}
+
+.transaction-text {
+  font-weight: bold;
+  margin-bottom: 4px;
+}
+
+.transaction-meta {
+  display: flex;
+  gap: 10px;
+  font-size: 12px;
+  color: #777;
+}
+
+.transaction-category {
+  background-color: #f0f0f0;
+  padding: 2px 6px;
+  border-radius: 4px;
+}
+
+.transaction-amount {
+  font-weight: bold;
+  margin-left: 10px;
+}
+
+.monthly-stats-container {
+  background-color: #fff;
+  box-shadow: var(--box-shadow);
+  padding: 20px;
+  margin: 20px 0;
+  border-radius: 4px;
+}
+
+.month-selector {
+  margin-bottom: 20px;
+}
+
+.month-selector label {
+  display: inline-block;
+  margin-right: 10px;
+  font-weight: bold;
+}
+
+.month-selector select {
+  display: inline-block;
+  width: auto;
+  min-width: 150px;
+}
+
+.stats-summary {
+  display: flex;
+  justify-content: space-between;
+  gap: 15px;
+  margin-bottom: 25px;
+}
+
+.stat-card {
+  flex: 1;
+  text-align: center;
+  padding: 15px;
+  border-radius: 4px;
+}
+
+.stat-card h4 {
+  margin: 0 0 8px 0;
+  font-size: 14px;
+  color: #666;
+}
+
+.stat-value {
+  font-size: 20px;
+  font-weight: bold;
+  margin: 0;
+}
+
+.stat-card.income {
+  background-color: rgba(46, 204, 113, 0.1);
+  border-left: 3px solid #2ecc71;
+}
+
+.stat-card.expense {
+  background-color: rgba(192, 57, 43, 0.1);
+  border-left: 3px solid #c0392b;
+}
+
+.stat-card.balance {
+  background-color: rgba(156, 136, 255, 0.1);
+  border-left: 3px solid #9c88ff;
+}
+
+.category-stats {
+  margin-top: 20px;
+}
+
+.category-stats h4 {
+  margin-bottom: 15px;
+  padding-bottom: 8px;
+  border-bottom: 1px solid #eee;
+}
+
+.category-list {
+  display: flex;
+  flex-direction: column;
+  gap: 15px;
+}
+
+.category-item {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.category-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.category-name {
+  font-weight: bold;
+  font-size: 14px;
+}
+
+.category-amount {
+  font-size: 14px;
+  color: #666;
+}
+
+.progress-bar-container {
+  position: relative;
+  height: 20px;
+  background-color: #f0f0f0;
+  border-radius: 10px;
+  overflow: hidden;
+}
+
+.progress-bar {
+  height: 100%;
+  border-radius: 10px;
+  transition: width 0.3s ease;
+}
+
+.progress-text {
+  position: absolute;
+  top: 50%;
+  left: 50%;
+  transform: translate(-50%, -50%);
+  font-size: 12px;
+  font-weight: bold;
+  color: #333;
+}
+
+.no-data {
+  text-align: center;
+  color: #999;
+  font-style: italic;
+  padding: 20px;
+}
+
+.transaction-count {
+  margin-top: 20px;
+  padding-top: 15px;
+  border-top: 1px solid #eee;
+  text-align: center;
+  color: #666;
+  font-size: 14px;
+}

src/App.js

@@ -4,6 +4,7 @@ import { Balance } from './components/Balance';
 import { IncomeExpenses } from './components/IncomeExpenses';
 import { TransactionList } from './components/TransactionList';
 import { AddTransaction } from './components/AddTransaction';
+import { MonthlyStats } from './components/MonthlyStats';
 
 import { GlobalProvider } from './context/GlobalState';
 
@@ -14,6 +15,7 @@ function App() {
     <GlobalProvider>
       <Header />
       <div className="container">
+        <MonthlyStats />
         <Balance />
         <IncomeExpenses />
         <TransactionList />

src/components/AddTransaction.js

@@ -1,38 +1,90 @@
 import React, {useState, useContext} from 'react'
 import { GlobalContext } from '../context/GlobalState';
 
+const expenseCategories = ['餐饮', '住房', '交通', '购物', '娱乐', '其他'];
+const incomeCategories = ['收入'];
+
 export const AddTransaction = () => {
   const [text, setText] = useState('');
   const [amount, setAmount] = useState(0);
+  const [category, setCategory] = useState('餐饮');
+  const [date, setDate] = useState(new Date().toISOString().split('T')[0]);
 
   const { addTransaction } = useContext(GlobalContext);
 
+  const handleAmountChange = (e) => {
+    const value = +e.target.value;
+    setAmount(value);
+    if (value > 0) {
+      setCategory('收入');
+    } else if (value < 0) {
+      setCategory('餐饮');
+    }
+  };
+
   const onSubmit = e => {
     e.preventDefault();
 
+    if (!text.trim()) {
+      alert('请输入交易描述');
+      return;
+    }
+
+    if (amount === 0) {
+      alert('请输入有效金额');
+      return;
+    }
+
     const newTransaction = {
       id: Math.floor(Math.random() * 100000000),
       text,
-      amount: +amount
+      amount: +amount,
+      category,
+      date
     }
 
     addTransaction(newTransaction);
+
+    setText('');
+    setAmount(0);
+    setCategory('餐饮');
   }
 
+  const availableCategories = amount > 0 ? incomeCategories : expenseCategories;
+
   return (
     <>
       <h3>Add new transaction</h3>
       <form onSubmit={onSubmit}>
         <div className="form-control">
-          <label htmlFor="text">Text</label>
-          <input type="text" value={text} onChange={(e) => setText(e.target.value)} placeholder="Enter text..." />
+          <label htmlFor="text">Description</label>
+          <input type="text" value={text} onChange={(e) => setText(e.target.value)} placeholder="Enter description..." />
         </div>
         <div className="form-control">
           <label htmlFor="amount"
             >Amount <br />
             (negative - expense, positive - income)</label
           >
-          <input type="number" value={amount} onChange={(e) => setAmount(e.target.value)} placeholder="Enter amount..." />
+          <input type="number" value={amount} onChange={handleAmountChange} placeholder="Enter amount..." />
+        </div>
+        <div className="form-control">
+          <label htmlFor="category">Category</label>
+          <select 
+            value={category} 
+            onChange={(e) => setCategory(e.target.value)}
+          >
+            {availableCategories.map(cat => (
+              <option key={cat} value={cat}>{cat}</option>
+            ))}
+          </select>
+        </div>
+        <div className="form-control">
+          <label htmlFor="date">Date</label>
+          <input 
+            type="date" 
+            value={date} 
+            onChange={(e) => setDate(e.target.value)} 
+          />
         </div>
         <button className="btn">Add transaction</button>
       </form>