static void DelegetProcess(ReandomCompare compare, int x, int y)
{
Console.WriteLine($"x+y:{compare(x,y)}");
}
static void Main(string[] args)
{
#region
Encoding.RegisterProvider(CodePagesEncodingProvider.Instance);
Console.WriteLine("Hello World!");
ReandomCompare comp = compare;
for (int p = 5; p > 0; p--)
{
DelegetProcess(comp, p, new Random().Next(1, p));
}
int pop = 102;
GetAsString getString = new GetAsString(pop.ToString);
Console.WriteLine($"方法名:{getString()}");
Console.WriteLine($"string is{getString.Invoke()}");
Curreny curreny = new Curreny(99, 334);
getString = curreny.ToString;
Console.WriteLine($"方法名: { getString()}");
getString = new GetAsString(Curreny.GetCurrentUnity);
Console.WriteLine($"方法名: { getString()}");
getString = () => Curreny.GetDescription();
Console.WriteLine($"方法名: { getString()}");
Console.WriteLine("Func方法调用完成");
for (int p = 5; p > 0; p--)
{
CompareProcess(CompareDouble, p, new Random().Next(1, p));
}
Console.WriteLine("Func方法调用完成");
Console.ReadLine();
int[] arg = { 1, 22, 4, 3, 21, 11, 24, 2, 42, 18, 33 };
Console.WriteLine("排序前");
Console.WriteLine(string.Join(",", arg.Select(x => x.ToString()).ToArray()));
bool swapped = true;
do
{
swapped = false;
for (int t = 0; t < arg.Length - 1; t++)
{
if (arg[t] > arg[t + 1])
{
int p = arg[t];
arg[t] = arg[t + 1];
arg[t + 1] = p;
swapped = true;
}
}
} while (swapped);
Console.WriteLine("排序后");
Console.WriteLine(string.Join(",", arg.Select(x => x.ToString()).ToArray()));
Console.ReadLine();
Console.WriteLine("测试实例静态方法委托");
Employee[] employees = new Employee[] {
new Employee("张三", 20092002),
new Employee("李四", 1789272),
new Employee("王五", 1212),
new Employee("孙六", 2323),
new Employee("钱七", 32112321),
new Employee("刘八", 3132132)
};
BubbleSorter.Sort <Employee>(employees, Employee.CompareSalary);
foreach (Employee e in employees)
{
Console.WriteLine(e.ToString());
}
Console.ReadLine();
Console.WriteLine("测试实例对象委托");
Employee[] employee = new Employee[] {
new Employee("张三", 20092002),
new Employee("李四", 1789272),
new Employee("王五", 2323232.9m),
new Employee("孙六", 2323.3m),
new Employee("钱七", 32112321),
new Employee("刘八", 3132132),
new Employee("三八", 223213132)
};
Member <Employee> member = new Member <Employee>(employee);
BubbleSorter.Sort <Employee>(member.Employees, member.CompareSalaryPro);
foreach (Employee e in member.Employees)
{
Console.WriteLine(e.ToString());
}
Console.ReadLine();
DoubleOp[] doubleOps =
{
MethOperations.MultiplyByTwo,
MethOperations.Square
};
for (int t = 0; t < doubleOps.Length; t++)
{
Console.WriteLine(doubleOps[0].Invoke(99));
Console.WriteLine(doubleOps[0](93));
Console.WriteLine(doubleOps[1].Invoke(19));
}
double num = 99.0;
GetTwoString getTwoString = new GetTwoString(GetTwoStringSample);
//GetTwoString getTwoString = GetTwoStringSample;
getTwoString(num);
getTwoString.Invoke(num);
#endregion
Func <double, double>[] funcdoubleOps =
{
MethOperations.MultiplyByTwo,
MethOperations.Square
};
funcdoubleOps[0].Invoke(99);
funcdoubleOps[1](892);
ProcessDeleget(funcdoubleOps[0], 999002);
int[] sorts = { 1, 32, 31, 3, 21, 13, 4, 22 };
Console.WriteLine($"排序前：{string.Join(",",sorts.Select(x=>x.ToString()))}");
Console.ReadLine();
// Func<int,int,bool> func = comparison;
Func <int, int, bool> func = (x, y) => x > y;
bool stop = true;
do
{
stop = false;
for (int p = 0; p < sorts.Length - 1; p++)
{
//bool result = func(sorts[p], sorts[p + 1]);
//if (result)
//{
// int temp = sorts[p];
// sorts[p] = sorts[p + 1];
// sorts[p + 1] = temp;
// stop = true;
//}
if (sorts[p] > sorts[p + 1])
{
int temp = sorts[p];
sorts[p] = sorts[p + 1];
sorts[p + 1] = temp;
stop = true;
}
}
} while (stop);
Console.WriteLine($"排序后：{string.Join(",", sorts.Select(x => x.ToString()))}");
Console.ReadLine();
}
