这篇文章主要介绍“C#怎么实现Array,List,Dictionary相互转换”,在日常操作中,相信很多人在C#怎么实现Array,List,Dictionary相互转换问题上存在疑惑,小编查阅了各式资料,整理出简单好用的操作方法,希望对大家解答”C#怎么实现Array,List,Dictionary相互转换”的疑惑有所帮助!接下来,请跟着小编一起来学习吧!
将Array转换为List
将List转换为Array
将Array转换为Dictionary
将Dictionary转换为Array
将List转换为Dictionary
将Dictionary转换为List
学生类
class Student { public int Id { get; set; } public string Name { get; set; } public string Gender { get; set; } }
转换实现代码
static void Main(string[] args) { #region 创建学生数组 //创建数组 Student[] StudentArray = new Student[3]; //创建创建3个student对象,并赋值给数组的每一个元素 StudentArray[0] = new Student() { Id = 0001, Name = "Tony", Gender = "M" }; StudentArray[1] = new Student() { Id = 0002, Name = "Hulk", Gender = "M" }; StudentArray[2] = new Student() { Id = 0003, Name = "Black", Gender = "F" }; #endregion Console.WriteLine("=================测试打印信息================="); //打印Array中学生信息 Console.WriteLine("打印Array中学生信息:"); foreach (Student student in StudentArray) { Console.WriteLine("Id = " + student.Id + " " + " Name = " + student.Name + " " + " Gender = " + student.Gender); } //Array转为LIST List<Student> StudentList = StudentArray.ToList<Student>(); //打印List中的学生信息 Console.WriteLine("打印List中学生信息:"); foreach (Student student in StudentList) { Console.WriteLine("Id = " + student.Id + " " + " Name = " + student.Name + " " + " Gender = " + student.Gender); } //LIST转为Array Student[] ListToArray = StudentList.ToArray<Student>(); Console.WriteLine("打印ListToArray中的学生信息:"); //打印ListToArray中的学生信息 foreach (Student student in ListToArray) { Console.WriteLine("Id = " + student.Id + " " + " Name = " + student.Name + " " + " Gender = " + student.Gender); } //Array转换为Dictionary Dictionary<int, Student> StudentDictionary = StudentArray.ToDictionary(key => key.Id, Studentobj => Studentobj); //打印ArrayToDictionary中的学生信息 Console.WriteLine("打印ArrayToDictionary中的学生信息:"); foreach (KeyValuePair<int, Student> student in StudentDictionary) { Console.WriteLine("Id = " + student.Key + " " + " Name = " + student.Value.Name + " " + " Gender = " + student.Value.Gender); } //Dictionary转换为Array Student[] DictionaryToArray = StudentDictionary.Values.ToArray(); //打印Dictionary转Array中的学生信息 Console.WriteLine("打印DictionaryToArray中的学生信息:"); foreach (Student student in DictionaryToArray) { Console.WriteLine("Id = " + student.Id + " " + " Name = " + student.Name + " " + " Gender = " + student.Gender); } //List转换为Dictionary Dictionary<int, Student> ListToDictionary = StudentList.ToDictionary(key => key.Id, value => value); //打印ListToDictionary中的学生信息 Console.WriteLine("打印ListToDictionary中的学生信息:"); foreach (KeyValuePair<int, Student> student in ListToDictionary) { Console.WriteLine("Id = " + student.Key + " " + " Name = " + student.Value.Name + " " + " Gender = " + student.Value.Gender); } //Dictionary转换为List List<Student> DictionaryToList = StudentDictionary.Values.ToList(); //打印DictionaryToList中的学生信息 Console.WriteLine("打印DictionaryToList中的学生信息:"); foreach (Student student in DictionaryToList) { Console.WriteLine("Id = " + student.Id + " " + " Name = " + student.Name + " " + " Gender = " + student.Gender); } Console.WriteLine("===============END==================="); Console.ReadLine(); }
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