30 lines
627 B
C++
30 lines
627 B
C++
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// 栈解旋(unwinding)：当抛出异常时，会调用所有对象的析构函数
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#include <iostream>
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#include <cstring>
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#include <cstdlib>
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using namespace std;
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class A
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{
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public:
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A() { cout << "A()" << endl; }
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~A() { cout << "~A()" << endl; }
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};
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int main()
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{
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try
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{
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A a1;
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// 栈解旋(unwinding)：当抛出异常时，会调用所有对象的析构函数
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throw 0; // 抛出异常时，则会调用 a1 的析构函数
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}
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catch (...) // ... 表示其他异常，可以不写，写的话必须放在最后
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{
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cout << "异常被处理" << endl;
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}
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return 0;
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}
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