#pragma mark -- 获取手机系统+ (NSString *)getSystemVersion {   NSString *phoneVersion = [[UIDevice currentDevice] systemVersion];   return phoneVersion;}

#pragma mark -- 获取当前appname+ (NSString *)appName{    NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];    NSString *app_Name = [infoDictionary objectForKey:@"CFBundleDisplayName"];    return app_Name;}

#pragma mark -- 获取当前appVersion+ (NSString *)appVersion{    NSDictionary *infoDictionary = [[NSBundle mainBundle] infoDictionary];    NSString *app_Version = [infoDictionary objectForKey:@"CFBundleShortVersionString"];    return app_Version;}

#pragma mark -- 获取当前Verison+ (NSString *)appBuild {   NSString *build = [[[NSBundle mainBundle] infoDictionary] objectForKey:@"CFBundleVersion"];   return build;}

#pragma mark -- 存储大小+ (CGFloat)totalDiskSpace {    NSDictionary *fattributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:nil];    NSNumber *folderSize = [fattributes objectForKey:NSFileSystemSize];    float sizeM = [folderSize floatValue] /1024.0/1024.0;    return sizeM;}

#pragma mark -- 可用存储大小+ (CGFloat)freeDiskSpace {    NSDictionary *fattributes = [[NSFileManager defaultManager] attributesOfFileSystemForPath:NSHomeDirectory() error:nil];    NSNumber *folderSize = [fattributes objectForKey:NSFileSystemFreeSize];    float sizeM = [folderSize floatValue] /1024.0/1024.0;    return sizeM;}

//根据高度度求宽度  text 计算的内容  Height 计算的高度 font字体大小+ (CGFloat)getWidthWithText:(NSString *)text height:(CGFloat)height font:(CGFloat)font{        CGRect rect = [text boundingRectWithSize:CGSizeMake(MAXFLOAT, height)                                     options:NSStringDrawingUsesLineFragmentOrigin                                  attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:font]}                                     context:nil];    return rect.size.width;}

///获取文字高度+ (CGFloat)getHeightWithText:(NSString *)text width:(CGFloat)textWidth fontSize:(UIFont *)font{            NSDictionary *dict = @{NSFontAttributeName:font};    CGRect rect = [text boundingRectWithSize:CGSizeMake(textWidth, MAXFLOAT) options:NSStringDrawingTruncatesLastVisibleLine|NSStringDrawingUsesFontLeading|NSStringDrawingUsesLineFragmentOrigin attributes:dict context:nil];    //返回计算出的行高    return rect.size.height;}

///单数设置组件的上下左右边框+ (void)setBorderWithView:(UIView *)view top:(BOOL)top left:(BOOL)left bottom:(BOOL)bottom right:(BOOL)right borderColor:(UIColor *)color borderWidth:(CGFloat)width{    if (top) {        CALayer *layer = [CALayer layer];        layer.frame = CGRectMake(0, 0, view.frame.size.width, width);        layer.backgroundColor = color.CGColor;        [view.layer addSublayer:layer];    }    if (left) {        CALayer *layer = [CALayer layer];        layer.frame = CGRectMake(0, 0, width, view.frame.size.height);        layer.backgroundColor = color.CGColor;        [view.layer addSublayer:layer];    }    if (bottom) {        CALayer *layer = [CALayer layer];        layer.frame = CGRectMake(0, view.frame.size.height - width, view.frame.size.width, width);        layer.backgroundColor = color.CGColor;        [view.layer addSublayer:layer];    }    if (right) {        CALayer *layer = [CALayer layer];        layer.frame = CGRectMake(view.frame.size.width - width, 0, width, view.frame.size.height);        layer.backgroundColor = color.CGColor;        [view.layer addSublayer:layer];    }}

///获取HTML标签中的信息+ (NSString *)filterHTML:(NSString *)html{    NSDictionary *dic = @{NSDocumentTypeDocumentAttribute:NSHTMLTextDocumentType};    NSData *data = [html dataUsingEncoding:NSUnicodeStringEncoding];    NSAttributedString *attriStr = [[NSAttributedString alloc] initWithData:data options:dic documentAttributes:nil error:nil];    NSString *str = attriStr.string;    str = [str stringByReplacingOccurrencesOfString:@"\n" withString:@" "];    return str;    }