From 904724be791b1def55e39e098ed31b98e5a0f888 Mon Sep 17 00:00:00 2001
From: Lixinyi <3382734605@qq.com>
Date: Wed, 11 Mar 2026 20:55:27 +0800
Subject: [PATCH] =?UTF-8?q?=E4=B8=8A=E4=BC=A0=E6=96=87=E4=BB=B6=E8=87=B3?=
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 W1-李鑫怡-202506050312/README.md           |  11 +++++
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 .../TemperatureConverter.java                 |  45 ++++++++++++++++++
 4 files changed, 56 insertions(+)
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 create mode 100644 W1-李鑫怡-202506050312/TemperatureConverter.class
 create mode 100644 W1-李鑫怡-202506050312/TemperatureConverter.java

diff --git a/W1-李鑫怡-202506050312/AI协助记录 b/W1-李鑫怡-202506050312/AI协助记录
new file mode 100644
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diff --git a/W1-李鑫怡-202506050312/README.md b/W1-李鑫怡-202506050312/README.md
new file mode 100644
index 0000000..78ca79f
--- /dev/null
+++ b/W1-李鑫怡-202506050312/README.md
@@ -0,0 +1,11 @@
+# 第1周作业：温度转换工具
+
+## 文件清单
+- `TemperatureConverter.java`：摄氏/华氏温度转换核心程序
+- `Helloworld.java`：基础 HelloWorld 示例
+- `README.md`：编译与运行说明
+
+## 编译命令
+打开终端，进入代码所在目录，执行：
+```bash
+javac TemperatureConverter.java Helloworld.java
diff --git a/W1-李鑫怡-202506050312/TemperatureConverter.class b/W1-李鑫怡-202506050312/TemperatureConverter.class
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diff --git a/W1-李鑫怡-202506050312/TemperatureConverter.java b/W1-李鑫怡-202506050312/TemperatureConverter.java
new file mode 100644
index 0000000..a9fd842
--- /dev/null
+++ b/W1-李鑫怡-202506050312/TemperatureConverter.java
@@ -0,0 +1,45 @@
+import java.util.Scanner;
+
+// 温度转换：摄氏(C) ↔ 华氏(F)
+public class TemperatureConverter {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("请输入带有符号的温度值: ");
+        String input = scanner.nextLine();
+        scanner.close();
+
+        // 空输入直接报错
+        if (input.length() < 2) {
+            System.out.println("输入格式错误");
+            return;
+        }
+
+        // 取最后一位为单位，前面为数值字符串
+        char unit = input.charAt(input.length() - 1);
+        String numStr = input.substring(0, input.length() - 1);
+
+        try {
+            double num = Double.parseDouble(numStr);
+            double result;
+            char resUnit;
+
+            if (unit == 'C' || unit == 'c') {
+                // 摄氏 → 华氏
+                result = 1.8 * num + 32;
+                resUnit = 'F';
+            } else if (unit == 'F' || unit == 'f') {
+                // 华氏 → 摄氏
+                result = (num - 32) / 1.8;
+                resUnit = 'C';
+            } else {
+                System.out.println("输入格式错误");
+                return;
+            }
+
+            // 输出保留两位小数
+            System.out.printf("转换后的温度是%.2f%c%n", result, resUnit);
+        } catch (NumberFormatException e) {
+            System.out.println("输入格式错误");
+        }
+    }
+}
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