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  • 【自动化__GUI自动化】__java__案例__类反射

    一、代码如下

    1.1、被发射类

    package www.woniu.gui.one;
    
    public class Test {
    
        private int age= 30;
        private String name= "张三";
        
        public int getAge() {
            return age;
        }
        
        public void setAge(int age) {
            this.age = age;
        }
        private String getName() {
            return name;
        }
        
        public void setName(String name) {
            this.name = name;
        }
        
    }

    1.2、操作反射的类

    package www.woniu.gui.one;
    
    import java.lang.reflect.Field;
    import java.lang.reflect.Method;
    
    public class TestReflection {
    
    	public static void main(String[] args) throws Exception {
    		// TODO Auto-generated method stub
    		TestReflection tr= new TestReflection();
    		tr.reflection();
    		
    
    	}
    	
    	private void reflection() throws Exception {
    		// TODO Auto-generated method stub
    		Class<?> clazz= Class.forName("www.woniu.gui.one.Test");
    		Object obj= clazz.newInstance();
    		Method method1= clazz.getDeclaredMethod("setAge", int.class);
    		method1.invoke(obj, 500);
    		
    		Method method2= clazz.getDeclaredMethod("getAge");
    		int age= (int)method2.invoke(obj);
    		System.out.println(age);
    		
    		
    		Field field1= clazz.getDeclaredField("name");
    		field1.setAccessible(true);
    		field1.set(obj, "李四");
    		System.out.println(field1.get(obj));
    		
    		Field field2= clazz.getDeclaredField("age");
    		field2.setAccessible(true);
    		field2.set(obj, 33);
    		System.out.println(field2.get(obj));
    		
    		Method method3= clazz.getDeclaredMethod("getName");
    		method3.setAccessible(true);
    		String name= (String)method3.invoke(obj);
    		System.out.println(name);
    		
    	}
    
    }
    
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  • 原文地址:https://www.cnblogs.com/wujianbo123/p/7476086.html
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