zhz_s_cal

1 changed files with 67 additions and 0 deletions
--- a/zhz_cal.html
+++ b/zhz_cal.html
@ -0,0 +1,67 @@
+<!DOCTYPE html>
+<html lang="zh">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>简易计算器</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            display: flex;
+            flex-direction: column;
+            align-items: center;
+            margin-top: 50px;
+        }
+        input {
+            margin: 5px;
+            padding: 10px;
+            width: 100px;
+        }
+        button {
+            padding: 10px 15px;
+            margin: 5px;
+        }
+    </style>
+</head>
+<body>
+
+    <h1>简易计算器</h1>
+    <input type="number" id="num1" placeholder="数字1">
+    <input type="number" id="num2" placeholder="数字2">
+    <br>
+    <button onclick="calculate('+')">加</button>
+    <button onclick="calculate('-')">减</button>
+    <button onclick="calculate('*')">乘</button>
+    <button onclick="calculate('/')">除</button>
+    <br>
+    <h2 id="result">结果: </h2>
+
+    <script>
+        function calculate(operator) {
+            const num1 = parseFloat(document.getElementById('num1').value);
+            const num2 = parseFloat(document.getElementById('num2').value);
+            let result;
+
+            switch (operator) {
+                case '+':
+                    result = num1 + num2;
+                    break;
+                case '-':
+                    result = num1 - num2;
+                    break;
+                case '*':
+                    result = num1 * num2;
+                    break;
+                case '/':
+                    result = num2 !== 0 ? num1 / num2 : '无法除以零';
+                    break;
+                default:
+                    result = '未知操作';
+            }
+
+            document.getElementById('result').innerText = '结果: ' + result;
+        }
+    </script>
+
+</body>
+</html>