有关ios硬件的部分的

/*
 @abstract 获取当前语言环境
 */
+(NSString*)deviceLanguages{
   
    return [[[NSUserDefaults standardUserDefaults]objectForKey:@"AppleLanguages"]objectAtIndex:0];
   
}

/*
 @abstract获取当前设备ID
 */
+(NSString*)deviceID{
   
    NSUserDefaults *userDefault = [NSUserDefaultsstandardUserDefaults];
    NSString *deviceIDStr = [userDefault valueForKey:@"deviceID"];
    if(!deviceIDStr)
    {
       
        NSDateFormatter*formatter = [[NSDateFormatteralloc]init];
        [formatter setDateFormat:@"yyyyMMddHHmmssss"];
        NSString *dateTime = [formatter stringFromDate:[NSDatedate]];
       
deviceIDStr = [NSStringstringWithFormat:@"%@%@",dateTime,[StaticToolsrandomCode:8]];
        NSLog(@"%@",deviceIDStr);
[userDefault setObject:deviceIDStrforKey:@"deviceID"];
[userDefault synchronize];
}
    return deviceIDStr;
}

/*
 @abstract获取当前版本号
 */
+ (NSString *)projectVerson
{
 //  return [[NSBundle mainBundle] objectForInfoDictionaryKey:(NSString*)kCFBundleVersionKey];
     return [[NSBundle mainBundle] objectForInfoDictionaryKey:@"CFBundleShortVersionString"];
   
}

/*
 @abstract 获取设备型号
 */
+ (NSString *)phoneModel
{

//    NSString *phoneModel = [[UIDevice currentDevice] model];

    struct utsname systemInfo;   //系统的获取信息   

    uname(&systemInfo);
    NSString *deviceString = [NSStringstringWithCString:systemInfo.machineencoding:NSUTF8StringEncoding];
    return deviceString;//iPhone5,2

   }

/*
 @abstract 获取设备系统版本号
 */
+ (NSString *)phoneVersion
{
    NSString* phoneVersion = [[UIDevicecurrentDevice]systemVersion];
    return phoneVersion;
}

/*
 @abstract 获取屏幕尺寸
 */
+ (NSString *)phoneSize
{
    CGRect screenRect = [UIScreenmainScreen].bounds;
    NSString *phoneSizeStr = [NSStringstringWithFormat:@"%.f*%.f",screenRect.size.width,screenRect.size.height];
    return phoneSizeStr;

}/*
 @abstract 检查网络状态
 */
+ (int)checkNetWork{
   
    NetworkStatus internetStatus = [[ReachabilityreachabilityForInternetConnection]currentReachabilityStatus];
    return internetStatus;

}

/*
 @abstract 获取手机当前网络类型
 */
+ (NSString *)networkType
{
    NSString* netWorkType =@"";
   
    if ([StaticTools checkNetWork] > 0)  //有网络
    {
        if ([StaticTools checkNetWork] == 1) //WWAN
        {
            if (IOS7_OR_LATER)
            {
                CTTelephonyNetworkInfo*telephonyInfo = [CTTelephonyNetworkInfonew];
                NSString* currenRadioAccessTechnology = telephonyInfo.currentRadioAccessTechnology;
                if ([currenRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyLTE])
                {
                    netWorkType = @"4G";
                }
                elseif ([currenRadioAccessTechnology isEqualToString:CTRadioAccessTechnologyEdge] || [currenRadioAccessTechnologyisEqualToString:CTRadioAccessTechnologyGPRS])
                {
                    netWorkType = @"2G";
                   
                }else{
               
                    netWorkType = @"3G";
                }
               
            }else{  //ios6之前
               
              
               
           
           
            }

        }else{ //WIFI

            netWorkType = @"WIFI";
        }
      
    }else{ //无网络

        netWorkType = @"无网络";
    }
   
    return netWorkType;

}#pragma mark文件(夹)操作
/*
 @abstract 检查Documents里是否有此文件
 */
+ (BOOL)fileExistsAtPath:(NSString*)fileName{
   
    NSFileManager *fileManager = [NSFileManagerdefaultManager];
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *DocumentsPath = [documentsDirectory stringByAppendingPathComponent:fileName];
return [fileManager fileExistsAtPath:DocumentsPath];
}

+ (NSString *)getFilePath:(NSString*)fileName{
   
NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES);
NSString *documentsDirectory = [paths objectAtIndex:0];
NSString *DocumentsPath = [documentsDirectory stringByAppendingPathComponent:fileName];
   
    return DocumentsPath;

/*
 @abstract 校验字符串是否为空
 */
+(BOOL)isEmptyString:(NSString*)string{
   
    if (string == nil ||[string isEqual:[NSNullnull]] )return YES;
//去空格之后判断length是否为0
NSCharacterSet* whitespace = [NSCharacterSetwhitespaceAndNewlineCharacterSet];
NSString* content = [stringstringByTrimmingCharactersInSet:whitespace];
if ([content length] ==0)return YES;

return NO;

}

一、过滤字符串开始位置和结束位置的空格

 1  NSString *testString = @"    my name is wang tianqiao    ";

2     
3     NSString *cString = [testString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];

4     NSLog(@"cString is %@",cString);

/*
 @abstract 判断输入是否全部都是数字
 */
+ (BOOL)checkAllIsNumber:(NSString*)psw{
   
    int length = [psw length];
if(0 == length) return NO;
//判断是否有汉字
for (inti = 0; i < length; i++) {
NSRange range = NSMakeRange(i, 1);
NSString *subString = [psw substringWithRange:range];
const char    *cString = [subStringUTF8String];
if (strlen(cString) ==3)
return NO;
}
//判断是否是数字＋字母
const char *s=[pswUTF8String];
for(int i = 0;i < length; i++){
if(s[i] >= 'a'&& s[i] <= 'z')
return NO;
else if(s[i] >='A' && s[i] <= 'Z')
return NO;
}
    return YES;

}