java内省机制

import java.beans.BeanInfo;import java.beans.Introspector;import java.beans.PropertyDescriptor;public class IntrospectorDemo {String nameTest;public static void main(String[] args) throws Exception {IntrospectorDemo demo = new IntrospectorDemo();demo.setName("Winter Lau");// 如果不想把父类的属性也列出来的话，// 那 getBeanInfo 的第二个参数填写父类的信息BeanInfo bi = Introspector.getBeanInfo(demo.getClass(), Object.class);PropertyDescriptor[] props = bi.getPropertyDescriptors();for (int i = 0; i < props.length; i++) {System.out.println(props[i].getName() + "="+ props[i].getReadMethod().invoke(demo, null));}}public String getName() {return nameTest;}public void setName(String name) {this.nameTest = name;}}

name=Winter Lau