[c/c++] programming之路（13）、函数

一、函数

#include<stdio.h>    //stdio.stdlib标准库
#include<stdlib.h>

//代码重用，    函数的诞生，C语言主要是函数组成
//写C语言，就是写函数
//主要是代码重用，模块化（便于定位错误）， 
//函数就是对某一特定功能的抽象
void printfR(double R)
{
    printf("体积=%f", 4 / 3 * 3.14*R*R*R);
    printf("
表面积=%f", 4 * 3.14*R*R);
}

void main123()
{
    double R=6000;
    printfR(R);
    //printf("体积=%f", 4 / 3 * 3.14*R*R*R);
    //printf("
表面积=%f", 4 * 3.14*R*R);

    double R1 = 4000;
    printfR(R1);
    //printf("体积=%f", 4 / 3 * 3.14*R1*R1*R1);
    //printf("
表面积=%f", 4 * 3.14*R1*R1);

    double R2 = 350000;
    printfR(R2);
    //printf("体积=%f", 4 / 3 * 3.14*R2*R2*R2);
    //printf("
表面积=%f", 4 * 3.14*R2*R2);

    system("pause");
}

二、键盘

#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>

void main(){
    //windows
    //keybd_event(0x5b,0,0,0);//键盘按下Windows键
    //keybd_event(0x5b,0,2,0);//键盘松开

    //windows+R
    //keybd_event(0x5b,0,0,0);//键盘按下Windows键
    //keybd_event('E',0,0,0);//E按下
    //keybd_event('E',0,2,0);//E松开
    //keybd_event(0x5b,0,2,0);//键盘松开

    //打开记事本
    keybd_event(0x5b,0,0,0);
    keybd_event('R',0,0,0);
    keybd_event('R',0,2,0);
    keybd_event(0x5b,0,2,0);
    Sleep(1000);
    //需要提前把输入法设置为英文大写状态
    keybd_event('N',0,0,0);
    keybd_event('N',0,2,0);
    keybd_event('O',0,0,0);
    keybd_event('O',0,2,0);
    keybd_event('T',0,0,0);
    keybd_event('T',0,2,0);
    keybd_event('E',0,0,0);
    keybd_event('E',0,2,0);
    keybd_event('P',0,0,0);
    keybd_event('P',0,2,0);
    keybd_event('A',0,0,0);
    keybd_event('A',0,2,0);
    keybd_event('D',0,0,0);
    keybd_event('D',0,2,0);
    Sleep(1000);
    keybd_event(0x0d,0,0,0);//回车
    keybd_event(0x0d,0,2,0);

    Sleep(3000);
    exit(0);//退出
}

 三、函数参数

#include<stdio.h>

//参数会开辟一小段内存，接收一个新的变量
void change(int a){//形式参数，角色
    a=100;//给新开辟的内存赋值
    printf("
change a=%x",&a);
}

void main(){
    int a=10;
    printf("main a=%x",&a);//地址不同，说明不是同一个变量
    change(a);//实参，实际调用时刻的参数
    printf("
%d",a);
    getchar();
}

 四、调戏广告

1.打开百度　　2.输入内容，回车　　3.点击广告　　4.结束退出（也可以无限循环）

#include<stdio.h>
#include<stdlib.h>
#include<Windows.h>

void openbaidu(){
    ShellExecuteA(0,"open","http://www.baidu.com",0,0,3);
}

void close(){
    system("taskkill /f /im 360se.exe");
}

void search(){
    keybd_event('X',0,0,0);//按下
    keybd_event('X',0,2,0);//松开
    keybd_event('I',0,0,0);
    keybd_event('I',0,2,0);
    keybd_event('A',0,0,0);
    keybd_event('A',0,2,0);
    keybd_event('N',0,0,0);
    keybd_event('N',0,2,0);
    keybd_event('H',0,0,0);
    keybd_event('H',0,2,0);
    keybd_event('U',0,0,0);
    keybd_event('U',0,2,0);
    keybd_event('A',0,0,0);
    keybd_event('A',0,2,0);
    Sleep(200);
    //回车
    keybd_event(0x0d,0,0,0);
    keybd_event(0x0d,0,2,0);
}
void click(){
    SetCursorPos(200, 300);
    mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);
    mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);
    SetCursorPos(300, 300);
    mouse_event(MOUSEEVENTF_LEFTDOWN,0,0,0,0);
    mouse_event(MOUSEEVENTF_LEFTUP,0,0,0,0);
}

void main(){
    openbaidu();
    Sleep(2000);
    search();
    Sleep(2000);
    click();
    Sleep(3000);
    close();
}

程序34行，设置鼠标点击位置需要用到一个软件

除此之外，要持续坑别人的广告费，还需要不断的更换IP地址，需要准备一个换IP工具