model中去掉多余的model属性,即key,
- (void)setValue:(id)value forUndefinedKey:(NSString *)key
{
}
model中含有id,并且给model中的id重命名为id_, model中的.m中代码如下:
-(void)setValue:(id)value forKey:(NSString *)key
{
[super setValue:value forKey:key];
if ([key isEqualToString:@"id"]) {
self.id_ = value;
}
}
