32 lines
593 B
C++
32 lines
593 B
C++
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// 类型转换
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#include <iostream>
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using namespace std;
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int test1()
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{
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float f = 97.5;
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char c = static_cast<char>(f);
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cout << "c = " << (int)c << endl;
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}
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int test2()
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{
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float f = 97.5;
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// int *p = &f; // 指针转换不允许跨类型
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// int *p = static_cast<int *>(&f);
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// int *p = (int *)&f;
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// int *p = dynamic_cast<int *>(&f);
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float *pf = &f;
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// double *p = const_cast<double *>(pf);
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int *p = reinterpret_cast<int *>(pf); // 重新解释类型转换，不安全
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cout << "*p = " << *p << endl;
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}
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int main()
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{
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test2();
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return 0;
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}
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