一块来讨论下
一块来讨论下 #include "iostream"
#include "math.h"
using namespace std;
typedef struct
{
double x,y;
}fin;
class Point
{
public:
friend class Line;
void fun(int q,int h,int i,int u);
/oid ha (int q,int h,int i,int u);
private:
float d;
int x,y,o,p;
};
void Point ::fun(int q,int h,int i,int u)
{
x=q;
y=h;
o=i;
p=u;
cout << "坐标位置是x,y" << "(" <<x <<" " << y << ")"<< endl;
cout << "坐标位置是o,p" << "(" <<o <<" " << p << ")"<< endl;
d=sqrt(o*o+p*p);
printf("距离原点%.2f\n",d);//cout << "距离远点距离是" << d << endl;
}
class Line
{
public:
void function(int m,int n);
void aiya (int x0,int y0,int x1,int y1,int x2,int y2,int x3,int y3);
private:
float d1;//距离
float k1,k2;//斜率
float k;
Point T_mac;
};
void Line ::function(int m,int n)
{
cout << "坐标位置是a,b" << "(" <<m <<" " << n << ")"<< endl;
int a,b,c;
int y=0,x=0;
cout << "输入直线参数" << endl;
cin >> a >> b >> c ;
//float d;
y=abs(m*a+n*b-c);
x=sqrt (a*a+b*b);
d1=y/x;
printf("ju li shi %.2lf\n",d1);
k=a%b;
if (k>0)
{
cout << a << "/" << b << endl;
}
else if (k==0)
{
printf("%d\n",a/b);
}
else if (k<0)
{
cout << "-"<< a << "/" << b << endl;
}
}
void Line ::aiya (int x0,int y0,int x1,int y1,int x2,int y2,int x3,int y3)
{
double m=0 ,n=0;
//printf("%dx+%dy+%d==0,%dx+%dy+%d==0",a,b,l,g,h,j);
k1=(y0-y1)/(x0-x1);
k2=(y2-y3)/(x2-x3);
if ((-1)==k1*k2)
{
cout << "两直线垂直" << endl ;
}
else if (k1==k2)
{
cout << "两直线平行 " << endl;
}
else if (k1!=k2)
{
cout << "两直线橡胶"<< endl;
m=(k1*x0-k2*x2+y2-y0)/(k1-k2);
n=y0+(m-x0)*k1;
printf("焦点是%.2lf %.2lf\n",m,n);
}
void st()
{
Point point;
int a,b;
int i,u;
cin >> a >> b>> i>> u ;
point.fun(a,b,i,u);
int c,f;
cout << "输入需要移动的x y的距离" << endl;
cin >> c >> f;
a+=c;
b+=f;
point.fun(a,b,i,u);
}
void sp()
{
Line line;
int m,n;
cout << "输入点";
cin >> m>> n;
line.function (m,n);
int x0,y0,x1,y1,x2,y2,x3,y3;
cout << "shu ru liang tiao zhi xian de can shu "<< endl;
cin >>x0>> y0>> x1>>y1>> x2>>y2>>x3 >> y3 ;
line.aiya (x0,y0,x1,y1,x2,y2,x3,y3);
}
int main()
{
st ();
sp ();
return 0;
}
这段代码 没有在函数被内部定义函数啊 为神魔会 报错呢
错误信息
error C2601: 'st' : local function definitions are illegal
F:\编程\c++\aiyou\shiyan.cpp(110) : error C2601: 'sp' : local function definitions are illegal
F:\编程\c++\aiyou\shiyan.cpp(122) : error C2601: 'main' : local function definitions are illegal
F:\编程\c++\aiyou\shiyan.cpp(128) : fatal error C1004: unexpected end of file found