摘要： #include <sstream> //头文件是sstreamstring doubleToString(double inValue) const{ ostringstream ostr; //创建一个流 ostr << inValue; //把值传递如流中 return ostr.str();}double stringToDouble(string inString) const{ double temp; istringstream istr(inString); //从string对象inString中读取字符 istr >> temp; if( 阅读全文