JavaBean基本的内省

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普通的JavaBean Student类

package com.testBean;public class Student {private String name;private int age;public final String getName() {return name;}public final void setName(String name) {this.name = name;}public final int getAge() {return age;}public final void setAge(int age) {this.age = age;}public Student(String name, int age) {super();this.name = name;this.age = age;}public Student( ){super();this.name = "zhang";this.age = 13;}}

内省的实现

package com.testBean;import java.beans.*;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;public class BeanTestBasic {public static void main(String[] args) throws IntrospectionException, IllegalAccessException, IllegalArgumentException, InvocationTargetException {Student s=new Student();String propertiesName="name";PropertyDescriptor pd=new PropertyDescriptor(propertiesName,s.getClass());Method methodGetName=pd.getReadMethod();Object retVal=methodGetName.invoke(s);System.out.println(retVal);System.out.println("---------------setMethod------------------");PropertyDescriptor pd1=new PropertyDescriptor("name",s.getClass());Method methodSetName=pd1.getWriteMethod();methodSetName.invoke(s,"lisi");System.out.println(s.getName());}}

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