timmy / 多國語系簡單計算器

import streamlit as st # 多國語系字典 LANGUAGES = { "zh": { "title": "簡單計算器", "instruction": "請輸入兩個數字，選擇運算方式：", "num1": "數字 1", "num2": "數字 2", "operation": "選擇運算方式", "add": "加法 (+)", "subtract": "減法 (-)", "calculate": "計算", "result": "結果：", "error": "請輸入有效的數字。", }, "en": { "title": "Simple Calculator", "instruction": "Enter two numbers and choose an operation:", "num1": "Number 1", "num2": "Number 2", "operation": "Choose Operation", "add": "Addition (+)", "subtract": "Subtraction (-)", "calculate": "Calculate", "result": "Result:", "error": "Please enter valid numbers.", }, } # 語言選項 language_options = {"中文": "zh", "English": "en"} selected_language = st.sidebar.selectbox( "Select Language", list(language_options.keys()) ) lang = language_options[selected_language] T = LANGUAGES[lang] # 顯示標題與說明 st.title(T["title"]) st.write(T["instruction"]) # 取得用戶輸入的數字 num1 = st.text_input(T["num1"]) num2 = st.text_input(T["num2"]) # 運算選項 operation = st.selectbox( T["operation"], [T["add"], T["subtract"]] ) # 計算按鈕 if st.button(T["calculate"]): try: n1 = float(num1) n2 = float(num2) if operation == T["add"]: result = n1 + n2 else: result = n1 - n2 st.success(f"{T['result']} {result}") except ValueError: st.error(T["error"])