java通过反射复制实体类

实体类需要先继承要复制的实体类

public class entityCope {
public static void main(String[] args) throws Exception {
a a = new a();
b b = new b();
b.setAddre("河北邯郸");
b.setHeight("179");
b.setIdno("130423");
b.setStrong("75kg");
a.ModeCope(b);
System.out.println("======"+a.getAddre());
}

}
class a extends b{
String name;
String sex;
String phone;

public void ModeCope(Object obj) throws Exception {
    Class cls = obj.getClass();
    Field[] fields = cls.getDeclaredFields();
    for(Field field:fields){
        //获取属性类型及名称
        String type = field.getType().getName();
        String name = field.getName();
        System.out.println(type+" "+name);
        //下面方法任选其一
        //通过name拼接字符串获取方法，得到get方法 
        //方法一
        Method method = cls.getDeclaredMethod("get"+onUp(name));
        Object objs1 = method.invoke(obj);
        System.out.println(method.getName());
        System.out.println(objs1.toString());
        field.setAccessible(true);
        field.set(this,objs1);

        //获取属性值
        //方法二
        Object obj2 = field.get(obj);
        System.out.println(obj2.toString());
        field.setAccessible(true);
        field.set(this,obj2);
    }
}
public String onUp(String str){
    char[] chars = str.toCharArray();
    if(chars[0]>='a' && chars[0]<='z'){
        chars[0] = (char) (chars[0]-32);
    }
    return new String(chars);
}

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;
}

public String getPhone() {
    return phone;
}

public void setPhone(String phone) {
    this.phone = phone;
}

}
class b{
String idno;
String addre;
String height;
String strong;

public String getIdno() {
    return idno;
}

public void setIdno(String idno) {
    this.idno = idno;
}

public String getAddre() {
    return addre;
}

public void setAddre(String addre) {
    this.addre = addre;
}

public String getHeight() {
    return height;
}

public void setHeight(String height) {
    this.height = height;
}

public String getStrong() {
    return strong;
}

public void setStrong(String strong) {
    this.strong = strong;
}

}