// 拨打电话+ (void)call:(NSString *)phoneNo;// 发送短信+ (MFMessageComposeViewController *)sendSMS:(NSString *)bodyOfMessagerecipientList:(NSArray *)recipientsdelegate:(UIViewController *)delegate;// 是否联网+ (BOOL)isNetConnect;// 是否通过WiFi联网+ (BOOL)isNetViaWiFi;// 是否通过3G联网+ (BOOL)isNetViaWWAN;// 获取设备唯一码+ (NSString *)guid;// 系统版本+ (NSString *)systemVersion;// 屏幕尺寸+ (CGSize)screenSize;// 是否iPhone5+ (BOOL)isIPhone5;// 当前应用版本号+ (NSString *)applicationVersion;// Documents路径+ (NSString *)documentsPath;// 根据rgb生成颜色+ (UIColor *)colorFromRGB:(NSInteger)rgbValue;// 屏幕截图+ (UIImage *)screenShotWithView:(UIView *)v;