【c++】随机生成车牌号

主要思想：使用c++自带的随机函数（以时间为随机数种子）生成随机城市和字母+随机数字的组合

（有需要的话再继续改动后面的五位序号码）

借用了这位朋友的省份字符串数组（京A，京B什么的……）

https://blog.csdn.net/dalter/article/details/82423209

用到的头文件：

#include<iostream>
#include <string>
#include <ctime>
#include <cstdio>
#include <Windows.h>//获取精确时间所需要的头文件

string  car_plate()
{string a[] = {"京A","京C","京E","京F","京H","京G","京B","津A","津B", "津C", "津E","沪A", "沪B", "沪D", "沪C","渝A", "渝B", "渝C", "渝G", "渝H","冀A","冀B", "冀C", "冀D", "冀E", "冀F", "冀G", "冀H", "冀J", "冀R", "冀T","豫A", "豫B", "豫C", "豫D", "豫E", "豫F","豫G","豫H","豫J","豫K","豫L","豫M","豫N","豫P","豫Q","豫R","豫S","豫U","云A", "云C", "云D", "云E", "云F","云G","云H","云J","云K","云L","云M","云N","云P","云Q","云R ","云S","辽A", "辽B", "辽C", "辽D", "辽E", "辽F","辽G","辽H","辽J","辽K","辽L","辽M","辽N","辽P","辽V","黑A", "黑B", "黑C", "黑D", "黑E", "黑F","黑G","黑H","黑J","黑K","黑L","黑M","黑N","黑P","黑R","湘A", "湘B", "湘C", "湘D", "湘E", "湘F","湘G","湘H","湘J","湘K","湘L","湘M","湘N","湘U","湘S","皖A", "皖B", "皖C", "皖D", "皖E", "皖F","皖G","皖H","皖J","皖K","皖L","皖M","皖N","皖P","皖Q","皖R","皖S","鲁A", "鲁B", "鲁C", "鲁D", "鲁E", "鲁F","鲁G","鲁H","鲁J","鲁K","鲁L","鲁M","鲁N","鲁P","鲁Q","鲁R","鲁S","鲁U","鲁V","鲁Y","新A", "新B", "新C","新D", "新E", "新F","新G","新H","新J","新K","新L","新M","新N","新P","新Q","新R","苏A", "苏B", "苏C","苏D", "苏E", "苏F","苏G","苏H","苏J","苏K","苏L","苏M","苏N","浙A", "浙B", "浙C", "浙D", "浙E", "浙F","浙G","浙H","浙J","浙K ","浙L","赣A","赣B","赣C","赣D","赣E","赣F","赣G","赣H","赣J","赣K","赣L","赣M","鄂A","鄂B","鄂C","鄂D","鄂E","鄂F","鄂G","鄂H","鄂J","鄂K" ,"鄂L","鄂M","鄂N","鄂P","鄂Q","鄂R","鄂S","桂A","桂B","桂C","桂D","桂E","桂F","桂G","桂H","桂J","桂K","桂L","桂M","桂N","桂P" ,"桂R","甘A","甘B","甘C","甘D","甘E","甘F","甘G","甘H","甘J","甘K","甘L","甘M" ,"甘N","甘P","晋A" ,"晋B","晋C","晋D","晋E","晋F","晋H","晋J","晋K","晋L","晋M","蒙A","蒙B","蒙C","蒙D","蒙E","蒙F","蒙G","蒙H","蒙J","蒙K","蒙L","蒙M","陕A","陕B","陕C","陕D","陕E","陕F","陕G","陕H","陕J","陕K","陕U","陕V","吉A","吉B","吉C","吉D","吉E","吉F","吉G","吉H","吉J","闽A","闽B","闽C","闽D","闽E","闽F" ,"闽G","闽H","闽J","闽K","贵A","贵B" ,"贵C","贵D","贵E" ,"贵F","贵G","贵H","贵J","粤A","粤B","粤C","粤D","粤E","粤F","粤G","粤H","粤J","粤K","粤L","粤M","粤N","粤P","粤Q","粤R","粤S","粤T","粤U","粤V","粤W","粤X","粤Y","粤Z","青A","青B","青C","青D","青E","青F","青G","青H","藏A","藏B","藏C","藏D","藏E","藏F","藏G","藏H" ,"藏J","川A","川B","川C","川D","川E","川F","川H","川J","川K","川L","川M","川Q","川R","川S","川T","川U","川V","川W","川X","川Y","川Z","宁A","宁B","宁C","宁D","琼A","琼B","琼C","琼D","琼E"};string num[10];string str[10];string plate[10];int i = 0;//获取精确时间LARGE_INTEGER seed;QueryPerformanceFrequency(&seed);QueryPerformanceCounter(&seed);//初始化一个以微秒为单位的时间种子srand(seed.QuadPart);//srand((unsigned int)time(0));str[i] = a[rand() % (200)];num[i] = to_string(10000 + (int)(rand() % (60000 + 10000 - 1)));//我设置的是10000-60000之间的随机数，有需可以自己改动plate[i] = str[i] + num[i];return plate[i];
}

效果图：

（随机生成车牌只是程序中的一小部分）

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