Java中如何循环输出对象的属性和值【亲测可用】反射机制

 现用版本：

Class clazz = object.getClass();
		for (; clazz != Object.class; clazz = clazz.getSuperclass()) {//向上循环  遍历父类
			Field[] field = clazz.getDeclaredFields();
			for (Field f : field) {
				f.setAccessible(true);
				try {
					if (null != f) {
						if(f.get(object) == null || "".equals(f.get(object))){
							stringBufferOne.append(f.getName()+"$");
							stringBufferTwo.append("$");
							System.out.println("属性："+f.getName()+" 值："+f.get(object));
						}else{
							stringBufferOne.append(f.getName()+"$");
							stringBufferTwo.append(f.get(object).toString()+"$");
							System.out.println("属性："+f.getName()+" 值："+f.get(object).toString());
						}
					}
				} catch (IllegalArgumentException e) {
					e.printStackTrace();
				} catch (IllegalAccessException e) {
					e.printStackTrace();
				}
			}
}

 

 

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以下仅供参考：

Field[] fields = userDetails.getClass().getDeclaredFields();
if (null == fields) {
    return;
}
for (Field s : fields) {
    String name = s.getName();//获取属性名
    String type = s.getGenericType().toString();//获取属性类型
    if (type.equals("class java.lang.String")) {
        try {
            Method m = userDetails.getClass().getMethod("get" + name.substring(0, 1).toUpperCase() + name.substring(1));
            String value = (String) m.invoke(userDetails);
            if (null != value) {
		Log.d("---属性名---",name);	
                Log.d("---属性值---",value);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    if (type.equals("class java.lang.Integer")) {
        try {
            Method m = userDetails.getClass().getMethod("get" + name.substring(0, 1).toUpperCase() + name.substring(1));
            int value = (String) m.invoke(userDetails);
            if (null != value) {
		Log.d("---属性名---",name);	
                Log.d("---属性值---",value);
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}
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