C# 反射（一）Type类

迷南。 2022-06-14 10:07 134阅读 0赞

什么是反射：反射就是通过类对象，获取字段，属性，方法。

using System;
    using System.Reflection;
    
    namespace Study
    {
        class MainClass
        {
            public static void Main(string[] args)
            {
                Console.WriteLine("-----------------------------Hello Types!-------------------------------");
                People people = new People(18, "han");
                //getFieldInfo(people);
               // getPropertyInfo(people);
               //getMethoedInfo(people);
               // getMemberInfo(people);
                getConstructors(people);
            }
            /// <summary>
            /// 获取公共字段
            /// </summary>
            /// <param name="obj">Object.</param>
            public static void getFieldInfo(object obj ){
                Type type = obj.GetType();
                FieldInfo[] arrFieldInfo =  type.GetFields();
    
                foreach (FieldInfo fieldInfo in arrFieldInfo)
                {
                    Console.WriteLine("name:" + fieldInfo.Name);
                    Console.WriteLine("type:" + fieldInfo.FieldType.ToString());
                    Console.WriteLine("value:" + fieldInfo.GetValue(obj).ToString());
                }
                Console.WriteLine("------------------GetFields字段");
            }
            /// <summary>
            /// 获取熟悉
            /// </summary>
            /// <param name="obj">Object.</param>
    		public static void getPropertyInfo(object obj)
    		{
    			Type type = obj.GetType();
    			PropertyInfo[] arrPropertyInfo = type.GetProperties();
    			foreach (PropertyInfo propertyInfo in arrPropertyInfo)
    			{
    				Console.WriteLine("name:" + propertyInfo.Name);
    				Console.WriteLine("property:" + propertyInfo.PropertyType);
    				Console.WriteLine("value:" + propertyInfo.GetValue(obj).ToString());
    			}
    			Console.WriteLine("--------------------GetProperty获取属性");
               
    		}
    
            /// <summary>
            /// 获取方法
            /// </summary>
            /// <param name="obj">Object.</param>
            public static void getMethoedInfo(object obj){
                MethodInfo[] arrMethodInfo = obj.GetType().GetMethods();
                foreach (MethodInfo mathodInfo in arrMethodInfo)
                {
                    Console.WriteLine("name:"+mathodInfo.Name);
                    //Console.WriteLine(""+mathodInfo.GetParameters().ToString());
    
    			}
    			Console.WriteLine("----------------------GetMethodInfo获取方法");
    
    		}
    
            public static void getMemberInfo(object obj)
            {
                MemberInfo[] arrMemberInfo = obj.GetType().GetMembers();
                foreach (MemberInfo memberInfo in arrMemberInfo)
                {
                    Console.WriteLine("name:"+memberInfo.Name);
    
    			}
    			Console.WriteLine("----------------------GetMethodInfo获取方法");
            }
    		public static void getConstructors(object obj)
    		{
                ConstructorInfo[] arrConstructornfo = obj.GetType().GetConstructors();
                foreach (ConstructorInfo constructroInfo in arrConstructornfo)
    			{
    				Console.WriteLine("name:" + constructroInfo.Name);
    
                    ParameterInfo[] parameterInfo = constructroInfo.GetParameters();
    
    			}
    			Console.WriteLine("----------------------GetMethodInfo获取方法");
    		}
        }
    
    
        class People
        {
            /// <summary>
            /// 字段
            /// </summary>
            private int sex=0;
            private string work=" no work";
    
            public int weight = 90;
            public string m_iId="68";
    
            /// <summary>
            /// 熟悉
            /// </summary>
            /// <value>The m  i age.</value>
            public int m_iAge { get; set; }
            public string m_sName { get; set; }
    
            /// <summary>
            /// 构造函数
            /// </summary>
            public People()
            {
                this.sex = 1;
                this.work = "student";
            }
            public People(int age,string name){
                this.m_iAge = age;
                this.m_sName = name;
            }
            /// <summary>
            /// 公共方法
            /// </summary>
            public void sing(){
                Console.WriteLine("sing");
            }
            public void wark(){
                Console.WriteLine("working");
            }
    
            public void dance(){
                Console.WriteLine("dance");
            }
    
        }
    }