zoukankan      html  css  js  c++  java
  • list.OfType()

    将两个类型不同是实体存入到一个object可以通过OfType方法分别取出来

    //将两个类型不同是实体存入到一个object可以通过OfType方法分别取出来
                List<Phone> PhoneLists = new List<Phone>()
                {
                    new Phone { Country = "中国", City = "北京", Name = "小米" },
                    new Phone { Country = "中国",City = "北京",Name = "华为"},
                    new Phone { Country = "中国",City = "北京",Name = "联想"},
                    new Phone { Country = "中国",City = "台北",Name = "魅族"},
                    new Phone { Country = "日本",City = "东京",Name = "索尼"},
                    new Phone { Country = "日本",City = "大阪",Name = "夏普"},
                    new Phone { Country = "日本",City = "东京",Name = "松下"},
                    new Phone { Country = "美国",City = "加州",Name = "苹果"},
                    new Phone { Country = "美国",City = "华盛顿",Name = "三星"},
                    new Phone { Country = "美国",City = "华盛顿",Name = "HTC"}
    
                };
                var Lists = PhoneLists.Select(p => new GetMyPhone().MyPhone(p)).ToList();
                var myLists = Lists.OfType<MyPhone>().ToList();
                var myList2 = Lists.OfType<Phone>().ToList();
     public class Phone
        {
            public string Country { get; set; }
            public string City { get; set; }
            public string Name { get; set; }
        }
    
        public class MyPhone
        {
            public string MyCity { get; set; }
            public string MyName { get; set; }
        }
    
        public class GetMyPhone
        {
            public object MyPhone(Phone phone)
            {
                if (phone.Country.Equals("中国"))
                {
                    MyPhone myphone = new MyPhone()
                    {
                        MyCity = phone.City,
                        MyName = phone.Name
                    };
                    return myphone;
                }
                else
                {
                    return phone;
                }
            }
        }
  • 相关阅读:
    如何只用5分钟完成数据 列表、创建页面
    从零开始搭建一个PaaS平台
    C# 多线程猜想
    使用Golang + lua实现一个值班机器人
    如何使用Golang实现一个API网关
    记一次Windb死锁排查
    怎样在PaaS平台上搭建一个会自动关闭的会议室
    JS Object To C# ASP.Net ModelBind
    重写了一遍授权思路
    授权详细设计
  • 原文地址:https://www.cnblogs.com/macT/p/12069362.html
Copyright © 2011-2022 走看看