static void Main(string[] args)
{
Order[] od = new Order[]{
new Order(001,"王一"),
new Order(002,"赵三"),
new Order(003,"王一"),
new Order(004,"张甲"),
new Order(005,"赵三")
};
Order[] od2 = new Order[]{
new Order(006,"刘亦"),
new Order(007,"钱一")
};
College[] cg = new College[]{
new College(01,"电子"),
new College(02,"计算机"),
new College(03,"经管"),
new College(04,"外语")
};
College[] cg2 = new College[]{
new College(01,"电子"),
new College(02,"计算机"),
new College(03,"工管"),
new College(04,"外语"),
new College(05,"艺术"),
};
//Distinct避免重复操作
var distinct =
(from o in od
select new { o.Name }
).Distinct();
Console.WriteLine("去除重复项操作结果：");
foreach (var item in distinct)
{
Console.WriteLine(item);
}
//Union合并操作
var union = od.Union(od2);
Console.WriteLine("合并操作结果：");
foreach (var item in union)
{
Console.WriteLine(item);
}
//Intersect交集操作
var intersect = cg2.Intersect(cg);
Console.WriteLine("交集操作结果：");
foreach (var item in intersect)
{
Console.WriteLine(item);
}
//Except差集操作
var except = cg2.Except(cg);
Console.WriteLine("差集操作结果：");
foreach (var item in except)
{
Console.WriteLine(item);
}
Console.Read();
}
static void Main(string[] args)
{
Order[] od = new Order[] {
new Order(001, "王一"),
new Order(002, "赵三"),
new Order(003, "王一"),
new Order(004, "张甲"),
new Order(005, "赵三")
};
Order[] od2 = new Order[] {
new Order(006, "刘亦"),
new Order(007, "钱一")
};
College[] cg = new College[] {
new College(01, "电子"),
new College(02, "计算机"),
new College(03, "经管"),
new College(04, "外语")
};
College[] cg2 = new College[] {
new College(01, "电子"),
new College(02, "计算机"),
new College(03, "工管"),
new College(04, "外语"),
new College(05, "艺术"),
};
//Distinct避免重复操作
var distinct =
(from o in od
select new { o.Name }
).Distinct();
Console.WriteLine("去除重复项操作结果：");
foreach (var item in distinct)
{
Console.WriteLine(item);
}
//Union合并操作
var union = od.Union(od2);
Console.WriteLine("合并操作结果：");
foreach (var item in union)
{
Console.WriteLine(item);
}
//Intersect交集操作
var intersect = cg2.Intersect(cg);
Console.WriteLine("交集操作结果：");
foreach (var item in intersect)
{
Console.WriteLine(item);
}
//Except差集操作
var except = cg2.Except(cg);
Console.WriteLine("差集操作结果：");
foreach (var item in except)
{
Console.WriteLine(item);
}
Console.Read();
}