#include <iostream>
using namespace std;
int main() {
    try {
        int num = 10;
        if (num > 0) {
            throw 123;
        }
        cout << "try块执行完毕" << endl;
    } catch (double e) {
        cout << "捕获double类型异常：" << e << endl;
    } catch (int e) {
        cout << "捕获int类型异常：" << e << endl;
    } catch (...) {
        cout << "捕获未知类型异常" << endl;
    }
    cout << "程序正常结束" << endl;
    return 0;
}