From 532a0f3887def339737d0f1b2776fae0a928b037 Mon Sep 17 00:00:00 2001
From: hxt1218 <3070904872@qq.com>
Date: Thu, 10 Oct 2024 18:25:05 +0800
Subject: [PATCH] jzzh

---
 jzzh.html | 67 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 jzzh.html
diff --git a/jzzh.html b/jzzh.html
new file mode 100644
index 0000000..ff238ec
--- /dev/null
+++ b/jzzh.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>进制转换</title>
+    <style>
+        body {
+            font-family: Arial, sans-serif;
+            margin: 20px;
+            padding: 20px;
+            border: 1px solid #ccc;
+            border-radius: 10px;
+            max-width: 400px;
+        }
+        label, input, button {
+            display: block;
+            margin-bottom: 10px;
+        }
+        #result {
+            font-weight: bold;
+        }
+    </style>
+</head>
+<body>
+    <h2>任意进制转换器</h2>
+    <label for="fromBase">输入进制 (2-16):</label>
+    <input type="number" id="fromBase" min="2" max="16" required>
+
+    <label for="number">输入数字:</label>
+    <input type="text" id="number" placeholder="例如：1010" required>
+
+    <label for="toBase">转换为进制 (2-16):</label>
+    <input type="number" id="toBase" min="2" max="16" required>
+
+    <button id="convertButton">转换</button>
+
+    <h3>结果:</h3>
+    <div id="result"></div>
+
+    <script>
+        document.getElementById('convertButton').addEventListener('click', () => {
+            const fromBase = parseInt(document.getElementById('fromBase').value);
+            const number = document.getElementById('number').value.trim();
+            const toBase = parseInt(document.getElementById('toBase').value);
+
+            // 验证输入的数字是否合法
+            if (!/^[0-9A-Fa-f]+$/.test(number) || !isValidForBase(number, fromBase)) {
+                document.getElementById('result').textContent = '输入的数字不符合指定的进制规则！';
+                return;
+            }
+
+            // 转换为十进制
+            const decimalValue = parseInt(number, fromBase);
+            const convertedValue = decimalValue.toString(toBase).toUpperCase();
+
+            // 显示结果
+            document.getElementById('result').textContent = convertedValue;
+        });
+
+        function isValidForBase(numStr, base) {
+            const validChars = '0123456789ABCDEF'.slice(0, base);
+            return [...numStr].every(char => validChars.includes(char.toUpperCase()));
+        }
+    </script>
+</body>
+</html>
