获取IOS 设备基本信息

原地址：http://www.cnblogs.com/U-tansuo/p/ios_basis_info.html

1、获取设备类型 （Iphone/ipad 几？）

#import "sys/utsname.h"

-(NSString*)getDeviceVersion
{
struct utsname systemInfo;
uname(&systemInfo);
NSString *deviceString = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding];
return deviceString;
}

2、获取系统时间

NSDate* date = [NSDate date];
NSDateFormatter* formatter = [[[NSDateFormatter alloc] init] autorelease];
[formatter setDateFormat:@"yyyy-MM-dd HH:MM:SS"];
[formatter stringFromDate:date];

3、获取应用版本 手机系统版本信息

UIDevice* uiDevice = [UIDevice currentDevice];
NSBundle* nsBundle = [NSBundle mainBundle];
NSDictionary *infoDictionary = [nsBundle infoDictionary];
NSString* crashInfo = [NSString stringWithFormat:@"Identifier:%@\nVersion:%@\nOS Version:%@ %@\nDate/Time:%@\nHardware Model:%@",
[nsBundle bundleIdentifier],
[infoDictionary objectForKey:@"CFBundleVersion"],
[uiDevice systemName],
[uiDevice systemVersion],
[self GetOnlyTime],
[self deviceString] ];

4、获取应用程序目录

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *cacheDir = [paths objectAtIndex: 0];

5、创建应用程序内部文件夹

NSFileManager *fm = [NSFileManager defaultManager];
NSDictionary *attributes = [NSDictionary dictionaryWithObject: [NSNumber numberWithUnsignedLong: 0755] forKey: NSFilePosixPermissions];
if(![fm fileExistsAtPath:"文件路径"]){

[fm createDirectoryAtPath:"文件路径"withIntermediateDirectories:YES attributes:attributes error:NULL];
}

6、获取某个文件夹下所有文件 及删除以某后缀名结尾文件

NSFileManager *fm = [NSFileManager defaultManager];
NSArray *contents = [fm contentsOfDirectoryAtPath:path error:NULL];
NSEnumerator *e = [contents objectEnumerator];
NSString *filename;
while ((filename = [e nextObject])) {
NSLog(@"file Name = %@",filename);
if ([[filename pathExtension] isEqualToString:@"txt"]||[[filename pathExtension] isEqualToString:@"plcrash"]) {
[path stringByAppendingPathComponent:filename];
}
}