DAO

接口部分

typedef void (^BaseModelBlock)(BaseModel * _Nullable model,NSError * _Nullable error);

@interface BaseDao : NSObject

+(void)checkoutWithModel:(BaseModel * _Nullable)model error:(NSError * _Nullable)error finishedBlock:(void(^)(BOOL succeed,NSString * _Nullable code,NSString * _Nullable msg)) block;

@end

实现部分

@implementation BaseDao
+(void)checkoutWithModel:(BaseModel * _Nullable)model error:(NSError * _Nullable)error finishedBlock:(void(^)(BOOL succeed,NSString * _Nullable code,NSString * _Nullable msg)) block
{
    if (error) {
        NSString *errorMsg = [NSString stringWithFormat:@"%@(%ld)",error.localizedDescription?error.localizedDescription:@"",(long)error.code];
        block(NO,nil,errorMsg);
    }
    else
    {
        if (model) {
            if ([model.code isEqualToString:@"0"]) {
                block(YES,model.code,nil);
            }
            else
            {
                block(NO,model.code,model.message);
            }
        }
        else
        {
            //model传空
            block(NO,nil,nil);
        }
    }
}
@end