这篇文章主要为大家相许介绍了轻松实现微信抢红包的代码,具有一定的参考价值,感兴趣的小伙伴们可以参考一下
群里都在玩抢红包,抢了再发,发了再抢,简直是无聊,程序员感兴趣是的如何实现,这里简单说说实现思路,附上dome,代码有点low,好在是实现了,具体内容如下
正文
100块发30个红包
50块发13个红包
1块发10个红包
发红包需要满足以下几个条件
1.总金额不变
2.每个红包都必须有钱
3.尽量的均匀点,不然抢红包没什么意思了
实现思路1.首先要确定最小单位,这里是精确到分,我这里以int类型进行计算,得出的结果也全是int类型
2.数据均匀,这里以 1
3.余数处理,当数据平均给20个红包,肯定跟总金额有所偏差,这时候我们就要多退少补,如果大于总金额,让红包金额多的去减少(总金额/总人数),如果还有剩余,就让第二多的去减少,直到补完这个空缺为止,反之亦然.
4.打乱顺序,细心的园友可能发现,红包是有顺序规律的,我们必须简单的写个function去打乱它.
demo///
/// 抢红包
///
///
///
///
public List qhb(int money, int num)
{
int min = 1;
int pjs = money / num;
List list = new List();
Random rnd = new Random();
for (int i = 0; i < num; i++)
{
int max = (money / (num - i)) * 2;
int s = rnd.Next(min, max);
s = checkmoney(s, min, max);
list.Add(s);
money -= s;
}
//前面数据都是合理的,结尾必须多退少补
list = checklist(money, pjs, list);
return list;
}///
/// 余数处理
///
///
///
///
public List checklist(int money, int pjs, List list)
{
if (money != 0)
{
if (money > 0)
{
List list_order = maopao(list);
//给最小
if (money / pjs == 0)
{
list_order[0] += money;
}
else
{
for (int i = 0; i < money / pjs + 1; i++)
{
if (i == money / pjs)
{
list_order[i] += (money - (money / pjs) * pjs);
}
else
{
list_order[i] += pjs;
}
}
}
return list_order;
}
else
{
List list_order = maopao(list,"desc");
//给最大
if (money / pjs == 0)
{
list_order[0] += money;
}
else
{
for (int i = 0; i < -(money / pjs) + 1; i++)
{
if (i == -(money / pjs))
{
list_order[i] += (money - (money / pjs) * pjs);
}
else
{
list_order[i] -= pjs;
}
}
}
return list_order;
}
}
return list;
}///
/// 冒泡排序
///
///
///
///
public List maopao(List list,string order = "asc")
{
if (order != "asc")
{
for (int i = 0; i < list.Count; i++)
{
for (int j = 0; j < list.Count - i - 1; j++)
{
if (list[j + 1] > list[j])
{
int temp = list[j];
list[j] = list[j + 1];
list[j + 1] = temp;
}
}
}
}
else
{
for (int i = 0; i < list.Count; i++)
{
for (int j = 0; j < list.Count-i-1;j++)
{
if (list[j+1] < list[j])
{
int temp = list[j];
list[j] = list[j+1];
list[j+1] = temp;
}
}
}
}
return list;
}///
/// 打乱顺序
///
///
///
public List suiji(List list)
{
Random rnd = new Random();
for (int i = 0; i < list.Count; i++)
{
int temp = list[i];
int j = rnd.Next(0, list.Count-1);
list[i] = list[j];
list[j] = temp;
}
return list;
}
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