java 大神看过来 关于反射的问题

Question

/*
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 */
package test;

import java.lang.reflect.Field;

/**
 *
 * @author Administrator
 */
public class Test {

     private int s;

    public int getS() {
        return s;
    }

    public void setS(int s) {
        this.s = s;
    }

 
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IllegalArgumentException, IllegalAccessException {
        Test t=new Test();
        t.s=12;
        Class<?> c=(Class)t.getClass();
        Field []f=c.getDeclaredFields();
        for(int i=0;i<f.length;i++){
            f[i].setAccessible(true);
            f[i].setInt(c,1);
            System.out.println(t.s);
        }
            
        
        System.out.println("hello world");
        
        
        // TODO code application logic here
    }
    
}

抛出了异常

Exception in thread "main" java.lang.IllegalArgumentException: Can not set int field test.Test.s to java.lang.Class
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:167)
at sun.reflect.UnsafeFieldAccessorImpl.throwSetIllegalArgumentException(UnsafeFieldAccessorImpl.java:171)
at sun.reflect.UnsafeFieldAccessorImpl.ensureObj(UnsafeFieldAccessorImpl.java:58)
at sun.reflect.UnsafeIntegerFieldAccessorImpl.setInt(UnsafeIntegerFieldAccessorImpl.java:128)
at java.lang.reflect.Field.setInt(Field.java:943)
at test.Test.main(Test.java:37)
C:UsersAdministratorAppDataLocalNetBeansCache8.1executor-snippetsrun.xml:53: Java returned: 1
构建失败 (总时间: 0 秒)

 求大神指导。。。。。。。

Answer 1

我知道啊，但是抛异常啦，找不到原因

Answer 2

c对象有 s属性 但c对象没有s属性 你这是往class对象中赋值阿

Answer 3

f.setInt（t，1） 通过反射给对象t赋值

Answer 4

f.

Answer 5

楼主视力不好，是

 f[i].setInt(t,1);

不是

 f[i].setInt(c,1);

Answer 6

参数不对，f[i].setInt(c,1);     应该是 f[i].setInt(t,1);