ios 数据库存储json数据

 NSData *data = [NSJSONSerialization dataWithJSONObject:info.bdata options:NSJSONWritingPrettyPrinted error:nil];
            NSString *jsonStr = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
            [[FMDataBaseManager shareInstance] insterCustomerDtail:customerId jsonList:jsonStr];