正文
通过反射实现get和set方法
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/*
setter方法
o:要操作类的对象
args:属性名
attributeValue:属性值
*/
public static void setXxx(Object o,String args,Object attributeValue){
Class cls = o.getClass();
//判断该属性是否存在
Field field = null;
try {
field = cls.getDeclaredField(args);
if(field == null){
field = cls.getField(args);
}
if(field == null){
return;
}
} catch (NoSuchFieldException e) {
e.printStackTrace();
} String fieldName = "set"+args.substring(,).toUpperCase()+(args.length()>?args.substring():"");
Method method = null;
try {
method = cls.getMethod(fieldName,attributeValue.getClass());
method.invoke(o,attributeValue);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
}
/*
getter方法
o:要操作类的对象
args:属性名
*/
public static <T> T getXxx(T o,String args) throws NoSuchFieldException {
Class cls = o.getClass();
//判断该属性是否存在
Field field = field = cls.getDeclaredField(args);
if(field == null){
field = cls.getField(args);
}
if(field == null){
return null;
} String fieldName = "get"+args.substring(,).toUpperCase()+(args.length()>?args.substring():"");
Method method = null;
try {
method = cls.getMethod(fieldName);
return (T)method.invoke(o);
} catch (NoSuchMethodException e) {
e.printStackTrace();
} catch (IllegalAccessException e) {
e.printStackTrace();
} catch (InvocationTargetException e) {
e.printStackTrace();
}
return null;
}
