iOS 设备信息

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在iOS开发中，有时候我们需要使用跟设备相关的一些信息，下面就详细介绍一下设备相关信息：

1.获取当前设备所有者名称：

2.获取设备的类别，是iPhone，iPod，还是iPad

这里要获取iPhone的具体类型，要有如下代码：

- (NSString *)deviceString {    // 需要#import "sys/utsname.h"    struct utsname systeminfo;    uname(&systeminfo);        NSString *deviceString = [NSString stringWithCString:systeminfo.machine encoding:NSUTF8StringEncoding];        //iPhone    if ([deviceString isEqualToString:@"iPhone1,1"]) return @"iPhone 1G";    if ([deviceString isEqualToString:@"iPhone1,2"]) return @"iPhone 3G";    if ([deviceString isEqualToString:@"iPhone2,1"]) return @"iPhone 3GS";    if ([deviceString isEqualToString:@"iPhone3,1"]) return @"iPhone 4";    if ([deviceString isEqualToString:@"iPhone3,2"]) return @"Verizon iPhone 4";    if ([deviceString isEqualToString:@"iPhone4,1"]) return @"iPhone 4S";        if ([deviceString isEqualToString:@"iPhone5,1"]) return @"iPhone 5";    if ([deviceString isEqualToString:@"iPhone5,2"]) return @"iPhone 5";    if ([deviceString isEqualToString:@"iPhone5,3"]) return @"iPhone 5C";    if ([deviceString isEqualToString:@"iPhone5,4"]) return @"iPhone 5C";        if ([deviceString isEqualToString:@"iPhone6,1"]) return @"iPhone 5S";    if ([deviceString isEqualToString:@"iPhone6,2"]) return @"iPhone 5S";        if ([deviceString isEqualToString:@"iPhone7,1"]) return @"iPhone 6 Plus";    if ([deviceString isEqualToString:@"iPhone7,2"]) return @"iPhone 6";        if ([deviceString isEqualToString:@"iPhone8,1"]) return @"iPhone 6s";    if ([deviceString isEqualToString:@"iPhone8,2"]) return @"iPhone 6s Plus";            //iPod    if ([deviceString isEqualToString:@"iPod1,1"]) return @"iPod Touch 1G";    if ([deviceString isEqualToString:@"iPod2,1"]) return @"iPod Touch 2G";    if ([deviceString isEqualToString:@"iPod3,1"]) return @"iPod Touch 3G";    if ([deviceString isEqualToString:@"iPod4,1"]) return @"iPod Touch 4G";    if ([deviceString isEqualToString:@"iPod5,1"]) return @"iPod Touch 5G";    return nil;}

3.设备本地化类别：

4.获取设备的UUID：

5.获取当前手机运行的系统以及当前系统的版本

运行效果如下：

有时候我们也需要获取当前App的相关信息，比如当前应用名称, 当前版本号，用于判断是否应该提示用户升级App等.

代码如下：

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