public String getFiledName(Object arg0) throws IllegalArgumentException,
IllegalAccessException { Class cls = arg0.getClass();
Field[] fields = cls.getDeclaredFields();
String[] name = new String[fields.length];
Object[] value = new Object[fields.length]; Field.setAccessible(fields, true);
for (int i = 0; i < name.length; i++) {
name[i] = fields[i].getName();
System.out.println(name[i] + "->");
fields[i].get(???????)???????????????????参数是什么!!!!!如何取出值???
System.out.println(value[i]); } return null;
}
IllegalAccessException { Class cls = arg0.getClass();
Field[] fields = cls.getDeclaredFields();
String[] name = new String[fields.length];
Object[] value = new Object[fields.length]; Field.setAccessible(fields, true);
for (int i = 0; i < name.length; i++) {
name[i] = fields[i].getName();
System.out.println(name[i] + "->");
fields[i].get(???????)???????????????????参数是什么!!!!!如何取出值???
System.out.println(value[i]); } return null;
}
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;
}
}
我换了方法了 用method取出来了谢谢你了~