通过代码生成代码的 文件

通过代码生成代码的 文件

#include
#include 
using namespace std;
int main()
{
	ofstream ofs;
	ofs.open("源.cpp", ios::out);
	ofs<<"#include\n";
	ofs<<"using namespace std;\n\n";
	ofs<<"int main()\n";
	ofs<<"{\n";
	ofs<<"\tcout<<\"请给出一个不多于4位的正整数\";\n";
	ofs<<"\tint x;\n";
	ofs<<"\tcin >> x;\n\n";
	ofs<<"\tswitch(x){\n";
	
	int i=1;
	for(;i<10000;i++)
	{
		int len=0;
		int n=i;
		int arr[5];
		while(n) arr[len++]=n%10,n/=10;
		ofs<<"\tcase "<":\n";
		ofs<<"\t\tcout<<\"是"<"位数\"<;
		for(int j=0;j
		{
			if(j==0) ofs<<"\t\tcout<<\"个位数是:"<0]<<"\"<;
			if(j==1) ofs<<"\t\tcout<<\"十位数是:"<1]<<"\"<;
			if(j==2) ofs<<"\t\tcout<<\"百位数是:"<2]<<"\"<;
			if(j==3) ofs<<"\t\tcout<<\"千位数是:"<3]<<"\"<;
			if(j==4) ofs<<"\t\tcout<<\"万位数是:"<4]<<"\"<;
		}
		ofs<<"\t\tcout<<\"倒过来是:";
		for(int j=0;j
			ofs<
		ofs<<"\"<;
		ofs<<"\t\tbreak;"<
	}
	ofs<<"\t}"<
	ofs<<"}"<
	ofs.close();
}