使用java反射机制获取javabean中的私有属性

Z时代
2024-01-10
分类：综合

java

public class TestReflect {
           public static void main(String[] args){
                      APerson a=new APerson();
                      Field fields[] = a.getClass().getDeclaredFields();
                      String[] name = new String[fields.length];
                      Object[] value = new Object[fields.length];

                      try{
Field.setAccessible(fields, true);
for (int i = 0; i < name.length; i++) {
                                       name[i] = fields[i].getName();
                                       System.out.println(name[i] + "-> ");
                                       value[i] = fields[i].get(a);
                                       System.out.println(value[i]);
                                }
                      }
                      catch(Exception e){
                               e.printStackTrace();
                      }
          }
}

class APerson{
                private  String name;
                private  String sex;
                private int age;

                APerson(){
                       name= "John ";
                       sex= "男 ";
                       age=45;
                }

public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
}