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c# 映射对比测试
c# 映射对比测试（测试对象，测试案例，测试结果）
测试组件对象：
TinyMapper-EmitMapper-AutoMapper-NLiteMapper-Handwritten
对比测试案例：
类：Models
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6 7 namespace ConsoleApplication1 8 { 9 public class Models 10 { 11 public class Person 12 { 13 public Guid Id { get; set; } 14 public String Name { get; set; } 15 public Int32 Age { get; set; } 16 public Address Address { get; set; } 17 public string Number { get; set; } 18 } 19 public class PersonDto 20 { 21 public Guid Id { get; set; } 22 public String UserName { get; set; } 23 public Int32 Age { get; set; } 24 public Address Address { get; set; } 25 public string Number { get; set; } 26 } 27 28 public sealed class Address 29 { 30 public string Phone { get; set; } 31 public string Street { get; set; } 32 public string ZipCode { get; set; } 33 } 34 } 35 }
类：CodeTimer
1 using System; 2 using System.Collections.Generic; 3 using System.Diagnostics; 4 using System.Linq; 5 using System.Runtime.InteropServices; 6 using System.Text; 7 using System.Threading; 8 using System.Threading.Tasks; 9 10 namespace ConsoleApplication1 11 { 12 public sealed class CodeTimer 13 { 14 public static void Initialize() 15 { 16 Process.GetCurrentProcess().PriorityClass = ProcessPriorityClass.High; 17 Thread.CurrentThread.Priority = ThreadPriority.Highest; 18 Time("", 1, () => { }); 19 } 20 21 public static void Time(string name, Action action) 22 { 23 Time(name, 1, action); 24 } 25 26 public static void Time(string name, int iteration, Action action) 27 { 28 if (String.IsNullOrEmpty(name)) return; 29 30 // 1. 31 ConsoleColor currentForeColor = Console.ForegroundColor; 32 Console.ForegroundColor = ConsoleColor.Red; 33 Console.WriteLine(name); 34 35 // 2. 36 GC.Collect(GC.MaxGeneration, GCCollectionMode.Forced); 37 int[] gcCounts = new int[GC.MaxGeneration + 1]; 38 for (int i = 0; i <= GC.MaxGeneration; i++) 39 { 40 gcCounts[i] = GC.CollectionCount(i); 41 } 42 43 // 3. 44 Stopwatch watch = new Stopwatch(); 45 watch.Start(); 46 long cycleCount = GetCycleCount(); 47 for (int i = 0; i < iteration; i++) action(); 48 long cpuCycles = GetCycleCount() - cycleCount; 49 watch.Stop(); 50 51 // 4. 52 Console.ForegroundColor = currentForeColor; 53 Console.WriteLine("\tTime Elapsed:\t" + watch.ElapsedMilliseconds.ToString("N0") + "ms"); 54 Console.WriteLine("\tCPU Cycles:\t" + cpuCycles.ToString("N0")); 55 56 // 5. 57 for (int i = 0; i <= GC.MaxGeneration; i++) 58 { 59 int count = GC.CollectionCount(i) - gcCounts[i]; 60 Console.WriteLine("\tGen " + i + ": \t\t" + count); 61 } 62 63 Console.WriteLine(); 64 65 } 66 67 private static long GetCycleCount() 68 { 69 return GetCurrentThreadTimes(); 70 } 71 72 [DllImport("kernel32.dll", SetLastError = true)] 73 static extern bool GetThreadTimes(IntPtr hThread, out long lpCreationTime, 74 out long lpExitTime, out long lpKernelTime, out long lpUserTime); 75 76 private static long GetCurrentThreadTimes() 77 { 78 long l; 79 long kernelTime, userTimer; 80 GetThreadTimes(GetCurrentThread(), out l, out l, out kernelTime, 81 out userTimer); 82 return kernelTime + userTimer; 83 } 84 85 [DllImport("kernel32.dll")] 86 static extern IntPtr GetCurrentThread(); 87 } 88 }
类：Program
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 using System.Threading.Tasks; 6 using Nelibur.ObjectMapper;//安装TinyMapper 7 using Nelibur.ObjectMapper.Bindings; 8 using EmitMapper;//安装EmitMapper 9 using AutoMapper;//安装AutoMapper 10 using NLite; 11 using EmitMapper.MappingConfiguration; 12 using System.Reflection;//安装NLite 13 14 namespace ConsoleApplication1 15 { 16 public class Program : Models 17 { 18 protected static List<Person> _person; 19 protected static List<PersonDto> _personDto; 20 21 static void Main(string[] args) 22 { 23 Base(); 24 //进行测试 测试次数1次 25 CodeTimer.Time("--TinyMapper--测试", 1, () => Test1()); 26 CodeTimer.Time("--EmitMapper--测试", 1, () => Test2()); 27 CodeTimer.Time("--AutoMapper--测试", 1, () => Test3()); 28 CodeTimer.Time("--NLiteMapper--测试", 1, () => Test4()); 29 CodeTimer.Time("--Handwritten--测试", 1, () => Test5()); 30 ConsoleColor currentForeColor = Console.ForegroundColor; 31 Console.ForegroundColor = ConsoleColor.Yellow; 32 Console.WriteLine("任务完成"); 33 Console.ReadKey(); 34 } 35 36 #region 初始化数据 37 public static void Base() 38 { 39 _person = new List<Person>(); 40 41 for (int i = 0; i < 1000000; i++) 42 { 43 Person _per = new Person() 44 { 45 Id = Guid.NewGuid(), 46 Name = "老黑", 47 Age = 22, 48 Address = new Address 49 { 50 Phone = "18772871387", 51 Street = "小红门", 52 ZipCode = "邮编未知", 53 }, 54 Number = "123456789" 55 }; 56 _person.Add(_per); 57 } 58 } 59 #endregion 60 61 #region TinyMapper映射 62 static void Test1() 63 { 64 //TinyMapper.Bind<Person,PersonDto>(); 65 //_personDto = TinyMapper.Map<List<PersonDto>>(_person); 66 TinyMapper.Bind<Person, PersonDto>(config => 67 { 68 config.Bind(x => x.Id, y => y.Id); 69 config.Bind(x => x.Name, y => y.UserName); 70 config.Bind(x => x.Age, y => y.Age); 71 config.Bind(x => x.Address.Phone, y => y.Address.Phone); 72 config.Bind(x => x.Address.Street, y => y.Address.Street); 73 config.Bind(x => x.Address.ZipCode, y => y.Address.ZipCode); 74 config.Bind(x => x.Number, y => y.Number); 75 }); 76 _personDto = TinyMapper.Map<List<PersonDto>>(_person); 77 } 78 #endregion 79 80 #region EmitMapper 映射 81 static void Test2() 82 { 83 _personDto.Clear(); 84 //EmitMapper.ObjectsMapper<List<Person>, List<PersonDto>> mapper = ObjectMapperManager.DefaultInstance.GetMapper<List<Person>, List<PersonDto>>(); 85 //_personDto = mapper.Map(_person); 86 EmitMapper.ObjectsMapper<List<Person>, List<PersonDto>> mapper; 87 mapper = ObjectMapperManager.DefaultInstance.GetMapper<List<Person>, List<PersonDto>>(new DefaultMapConfig() 88 .ConvertUsing<Person, PersonDto>(value =http://www.mamicode.com/> new PersonDto 89 { 90 Id = value.Id, 91 UserName = value.Name, 92 Age = value.Age, 93 Address = new Address() 94 { 95 Phone = value.Address.Phone, 96 Street = value.Address.Street, 97 ZipCode = value.Address.ZipCode, 98 }, 99 Number = value.Number 100 }) 101 ); 102 _personDto = mapper.Map(_person); 103 } 104 #endregion 105 106 #region AutoMapper 映射 107 static void Test3() 108 { 109 _personDto.Clear(); 110 //AutoMapper.Mapper.CreateMap<Person,PersonDto>(); 111 //_personDto = AutoMapper.Mapper.Map<List<PersonDto>>(_person); 112 113 114 AutoMapper.Mapper.CreateMap<Person, PersonDto>() 115 .ConstructUsing(value =http://www.mamicode.com/> new PersonDto 116 { 117 Id = value.Id, 118 UserName = value.Name, 119 Age = value.Age, 120 Address = new Address() 121 { 122 Phone = value.Address.Phone, 123 Street = value.Address.Street, 124 ZipCode = value.Address.ZipCode, 125 }, 126 Number = value.Number 127 }); 128 _personDto = AutoMapper.Mapper.Map<List<PersonDto>>(_person); 129 } 130 #endregion 131 132 #region NLiteMapper 映射 133 static void Test4() 134 { 135 _personDto.Clear(); 136 //NLite.Mapping.IMapper<List<Person>, List<PersonDto>> mapper = NLite.Mapper.CreateMapper<List<Person>, List<PersonDto>>(); 137 //_personDto = mapper.Map(_person); 138 NLite.Mapping.IMapper<List<Person>, List<PersonDto>> mapper; 139 mapper = NLite.Mapper.CreateMapper<List<Person>, List<PersonDto>>() 140 .ConvertUsing<Person, PersonDto>(v => new PersonDto 141 { 142 Id = v.Id, 143 UserName = v.Name, 144 Age = v.Age, 145 Address = new Address() 146 { 147 Phone = v.Address.Phone, 148 Street = v.Address.Street, 149 ZipCode = v.Address.ZipCode, 150 }, 151 Number = v.Number 152 }); 153 _personDto = mapper.Map(_person); 154 } 155 #endregion 158 #region Handwritten 手工映射 159 static void Test5() 160 { 161 _personDto.Clear(); 162 _personDto = new List<PersonDto>(); 163 PersonDto p = new PersonDto(); 164 for (int i = 0; i < _person.Count; i++) 165 { 166 p.Id = _person[i].Id; 167 p.UserName = _person[i].Name; 168 p.Age = _person[i].Age; 169 p.Address = _person[i].Address; 170 p.Number = _person[i].Number; 171 _personDto.Add(p); 172 } 173 } 174 #endregion
对比测试结果截图：
c# 映射对比测试
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