30 lines
554 B
C++
30 lines
554 B
C++
#include <iostream>
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#include<string>
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#include "Calc.h"
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using namespace std;
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int main() {
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string input;
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cout << "科学计算器 (输入 q 退出)：\n";
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while (true) {
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cout << "表达式 > ";
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getline(cin, input);
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if (input == "q" || input == "quit")
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break;
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double result;
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if (Calc::safeEval(input, result)) {
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cout << "= " << result << endl;
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}
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else {
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cout << "[错误] 表达式无法计算\n";
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}
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}
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cout << "感谢使用，再见！" << endl;
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return 0;
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}
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