// 登陆时存一个值    NSUserDefaults *userDefaults = [NSUserDefaults standardUserDefaults];    [userDefaults setObject:_UserName.text forKey:@"logname"];    [userDefaults synchronize];// 判

#import <Foundation/Foundation.h>NS_ASSUME_NONNULL_BEGIN@interface UserInfo : NSObject@property (nonatomic,copy)NSString *userid;//用户id@property (nonatomic,copy)NSString *avatar;//头像@prop...