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最近想做一个插件式的软件给公司的监控用，初步的想法是使用C#去反射Dll，Invoke其中的方法。此文仅供开发参考，不涉及原理，98%的代码以及2%的废话。
测试Solution是这么建的（.NET FRAMEWORK 4.5.1）：
Person类代码：
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 5 namespace PersonMoudle 6 { 7 public class Person 8 { 9 public Person() 10 { 11 Name = "Sirius"; 12 Age = 25; 13 Height = 172; 14 Sex = "Middle"; 15 } 16 public Person(string name, int age, float height, string sex) 17 { 18 Name = name; 19 Age = age; 20 Height = height; 21 Sex = sex; 22 } 23 24 public string Name { get; set; } 25 public int Age { get; set; } 26 public float Height { get; set; } 27 public string Sex { get; set; } 28 29 public void Speak(string words) 30 { 31 Console.WriteLine(words); 32 } 33 private string GetMyName() 34 { 35 return Name.Trim(); 36 } 37 38 public string GetMySex() 39 { 40 return Sex; 41 } 42 43 public List<string> BeenCity() 44 { 45 return new List<string> 46 { 47 "Beijing", 48 "Jinan", 49 "NewYork" 50 }; 51 } 52 53 public List<string> BennCity(int count) 54 { 55 return new List<string> 56 { 57 "Beijing", 58 "Jinan", 59 "NewYork" 60 }.Take(count).ToList(); 61 } 62 } 63 }
控台中反射获取信息代码（控台引用类库项目，也可以load dll，后面的篇幅会写）：
1 using System; 2 using System.Linq; 3 using PersonMoudle; 4 5 namespace ReflectionTest 6 { 7 class Program 8 { 9 static void Main(string[] args) 10 { 11 var count = 0;//public count set; 12 13 var person = new Person(); 14 var personType = person.GetType(); 15 Console.WriteLine("类型名： " + personType.Name); 16 Console.WriteLine("类全名： " + personType.FullName); 17 Console.WriteLine("命名空间名： " + personType.Namespace); 18 Console.WriteLine("程序集名： " + personType.Assembly); 19 Console.WriteLine("模块名： " + personType.Module.Name); 20 Console.WriteLine("是否支持泛型： "+personType.IsConstructedGenericType); 21 22 //获取构造函数信息 23 var conInfo = personType.GetConstructors(); 24 Console.WriteLine(personType.FullName + "共有" + conInfo.Count() + "个构造函数"); 25 foreach (var constructorInfo in conInfo) 26 { 27 count += 1; 28 Console.WriteLine("第" + count + "个构造函数："); 29 var paramsInfo = constructorInfo.GetParameters(); 30 Console.WriteLine(paramsInfo.Any() ? "参数列表：" : "无参数。"); 31 foreach (var parameterInfo in paramsInfo) 32 { 33 Console.WriteLine("第" + (parameterInfo.Position + 1) + "参数名：" + parameterInfo.Name + ", 参数类型：" + 34 parameterInfo.ParameterType.FullName); 35 } 36 } 37 count = 0; 38 39 //获取事件信息 40 var eventInfo = personType.GetEvents(); 41 Console.WriteLine(personType.FullName+"共有"+eventInfo.Count()+"个事件"); 42 43 //获取字段信息 44 var fields = personType.GetFields(); 45 Console.WriteLine(personType.FullName + " has " + fields.Count() + "fields."); 46 foreach (var fieldInfo in fields) 47 { 48 count += 1; 49 Console.WriteLine("The "+count+"st field is"+fieldInfo.Name+", type is "+fieldInfo.FieldType); 50 } 51 count = 0; 52 53 //获取接口信息 54 var ifaces = personType.GetInterfaces(); 55 Console.WriteLine(personType.FullName + " has " + ifaces.Count() + " interfaces."); 56 57 58 //获取成员信息 59 var members = personType.GetMembers(); 60 Console.WriteLine(personType.FullName+" has "+members.Count()+" members."); 61 foreach (var memberInfo in members) 62 { 63 count += 1; 64 Console.WriteLine("The " + count + "st member name is " + memberInfo.Name + ", type is " + 65 memberInfo.ReflectedType); 66 } 67 count = 0; 68 69 //获取方法信息 70 var methods = personType.GetMethods(); 71 Console.WriteLine(personType.FullName+" has "+methods.Count()+" methods."); 72 foreach (var methodInfo in methods) 73 { 74 count += 1; 75 var paramInfos = methodInfo.GetParameters(); 76 Console.WriteLine("The " + count + "st method is " + methodInfo.Name + ", return type is " + 77 methodInfo.ReturnType + ", param count is " + paramInfos.Count()); 78 79 Console.WriteLine(paramInfos.Any() ? "参数列表：" : "无参数。"); 80 foreach (var parameterInfo in paramInfos) 81 { 82 Console.WriteLine("param name:" + parameterInfo.Name + ", param type: " + 83 parameterInfo.ParameterType); 84 } 85 } 86 count = 0; 87 88 //propertites 89 var pros = personType.GetProperties(); 90 Console.WriteLine(personType.FullName+" has "+pros.Count()+ "public properties."); 91 92 Console.ReadKey(); 93 } 94 } 95 }
下一篇讲如何调用方法。
C#中反射的使用（How to use reflect in CSharp）（1）
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原文地址：http://www.cnblogs.com/xidu/p/4262663.html
