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c++ 一日一练:istream.rdbuf(ostringstream.rdbuf())无效!
c++ 一日一练:istream.rdbuf(ostringstream.rdbuf())无效!
xiaoxiao
2021-02-28
63
int main(int argc,char*argv[]) { string s; ostringstream os; istream is(os.rdbuf()); os<<"1000 "<<en; os<<"1000 "<<endl; os<<"1000 "<<endl; is>>s; cout<<s; }
上面没有输出,原因是用了一个is关联了一个os的缓冲区!!因此失败.....解决办法:
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