DMKit 第三篇:UserInfo 开发iOS的时候经常用到的用户信息单利
*UserInfo 当中存储了用户的重要信息,使用单利模式存取更加方便,使用归档解档数据更加安全,并且把屏幕比例写到了这里--ui布局更加精确
UserInfo.h
#import <Foundation/Foundation.h>
@interface UserInfo : NSObject
@property (nonatomic , copy) NSString *oldLoginStr;
@property (nonatomic , copy) NSString *token;
@property (nonatomic , assign) NSInteger userID;
@property (nonatomic , copy) NSString *phoneNum; ///<手机号
@property (nonatomic , assign) double registTime; ///<注册时间
@property (nonatomic , copy) NSString *email; ///<邮箱
@property (nonatomic , copy) NSString *userName; ///<用户名
@property (nonatomic , copy) NSString *address; ///<详细地址
@property (nonatomic , copy) NSString *province; ///<省
@property (nonatomic , copy) NSString *city; ///<市
@property (nonatomic , copy) NSString *district; ///<区
@property (nonatomic , copy) NSString *password;
@property (nonatomic , copy) NSString *headImg; ///<头像
@property (nonatomic , copy) NSString *headImgH; ///<高清版头像
+(instancetype) shareUser;
/** 当用户登录了返回当前用户的token,如果是游客返回 "tourist" */
+(NSString *)token;
/** 写入文件 */
-(void)saveDatas;
/** 删除文件 */
-(void)removeDatas;
/** 清除个人数据 */
-(void)clearDatas;
/** 是否登录状态,根据token值动态计算 */
-(BOOL)isLogin;
//屏幕比例 根据6/6s/7的屏幕计算屏幕比例 配合DMDefine使用
- (CGFloat)screenScale;
- (CGFloat)screenScaleW;
@end
类扩展
#define kUserInfo @"Userinfo"
static NSString * const kTourist = @"tourist"; ///<游客token
@interface UserInfo ()
@property (nonatomic , assign) CGFloat scale;
@property (nonatomic , assign) CGFloat scaleW;
@end
shareUser
+(instancetype) shareUser{
static UserInfo *userInfo;
if (userInfo) {
return userInfo;
}
static dispatch_once_t onceToken;
dispatch_once(&onceToken, ^{
NSString *filePath = [DMTools filePathInDocuntsWithFile:kUserInfo];
userInfo = [NSKeyedUnarchiver unarchiveObjectWithFile:filePath];
if (!userInfo) {
userInfo = [[self alloc] init];
}
});
return userInfo;
}
token // 不推荐直接读取token,这样做我觉得更好
+(NSString *)token
{
return [UserInfo shareUser].token.length ? [UserInfo shareUser].token : kTourist;
}
isLogin // 不建议使用状态值来保存,使用这种动态获取登录状态最好
-(BOOL)isLogin
{
if (_token.length > 0) {
return YES;
}
return NO;
}
存取
-(void)saveDatas{
NSString *filePath = [DMTools filePathInDocuntsWithFile:kUserInfo];
[NSKeyedArchiver archiveRootObject:self toFile:filePath];
}
-(void)removeDatas{
//删除归档的文件
NSString *filePath = [DMTools filePathInDocuntsWithFile:kUserInfo];
[[NSFileManager defaultManager] removeItemAtPath:filePath error:nil];
}
-(void)clearDatas
{
self.token = @"";
self.phoneNum = nil;
self.userID = 0;
self.registTime = 0;
self.email = nil;
self.userName = nil;
self.province = nil;
self.city = nil;
self.district = nil;
self.address = nil;
self.headImg = nil;
self.headImgH = nil;
[self saveDatas];
}
归档解档
/**
* 解档协议方法
*/
- (instancetype)initWithCoder:(NSCoder *)coder
{
self = [super init];
if (self) {
self.oldLoginStr = [coder decodeObjectForKey:@"oldLoginStr"];
self.token = [coder decodeObjectForKey:@"token"];
self.userID = [coder decodeIntegerForKey:@"userID"];
self.phoneNum = [coder decodeObjectForKey:@"phoneNum"];
self.registTime = [coder decodeDoubleForKey:@"registTime"];
self.email = [coder decodeObjectForKey:@"email"];
self.userName = [coder decodeObjectForKey:@"userName"];
self.address = [coder decodeObjectForKey:@"address"];
self.province = [coder decodeObjectForKey:@"province"];
self.city = [coder decodeObjectForKey:@"city"];
self.district = [coder decodeObjectForKey:@"district"];
self.headImg = [coder decodeObjectForKey:@"headImg"];
self.headImgH = [coder decodeObjectForKey:@"headImgH"];
self.password = [coder decodeObjectForKey:@"password"];
}
return self;
}
/**
* 归档协议方法
*/
-(void)encodeWithCoder:(NSCoder *)aCoder{
[aCoder encodeObject:_oldLoginStr forKey:@"oldLoginStr"];
[aCoder encodeObject:_token forKey:@"token"];
[aCoder encodeInteger:_userID forKey:@"userID"];
[aCoder encodeDouble:_registTime forKey:@"registTime"];
[aCoder encodeObject:_phoneNum forKey:@"phoneNum"];
[aCoder encodeObject:_email forKey:@"email"];
[aCoder encodeObject:_userName forKey:@"userName"];
[aCoder encodeObject:_address forKey:@"address"];
[aCoder encodeObject:_province forKey:@"province"];
[aCoder encodeObject:_city forKey:@"city"];
[aCoder encodeObject:_district forKey:@"district"];
[aCoder encodeObject:_headImg forKey:@"headImg"];
[aCoder encodeObject:_headImgH forKey:@"headImgH"];
[aCoder encodeObject:_password forKey:@"password"];
}
Screen 屏幕比例 根据6/6s/7的屏幕计算屏幕比例 配合DMDefine使用,极力推荐这样使用,布局出来的东西跟ui给的图基本一模一样
// kScale(123);
// kScaleW(123);
-(CGFloat)screenScale
{
if (_scale == 0) {
_scale = kScreenH / 667.0f;
}
return _scale;
}
-(CGFloat)screenScaleW
{
if (_scaleW == 0) {
_scaleW = kScreenW / 375.0f;
}
return _scaleW;
}
