1.用NSNumberFormatter 关于NSNumberFormatter,请看这里https://www.jianshu.com/p/817029422a72 我们这里只说数字转汉字的实现: NSNumberFormatter的numberStyle如下: /* double testNum = 3.7999; typedef CF_ENUM(CFIndex, CFNumberFormatterRoundingMode kCFNumberFormatterCurrencyAccountingStyle, }; */ 从上可以看出kCFNumberFormatterRoundHalfDown是输出中文的,代码如下 NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; formatter.numberStyle = kCFNumberFormatterRoundHalfDown
kEndNumberKey]).intValue; int range = ((NSNumber *)[info objectForKey:kRangeNumberKey]).intValue; NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; [formatter setNumberStyle:NSNumberFormatterNoStyle
引言 iOS 系统自带格式化NSFormatter的常用子类有:NSNumberFormatter(数字格式化)、NSDateFormatter(NSISO8601DateFormatter日期格式化) 原理:利用NSNumberFormatter进行处理 @interface NSNumberFormatter : NSFormatter { I 金额的格式转化处理(NSNumberFormatter 若是赋值为0 防止崩溃 if (([str isEqual:[NSNull null]] || str == nil)) { str = 0; } NSNumberFormatter :[str doubleValue]]]; return money; } 1.4 自定义格式:#,###.00元 在这里插入图片描述 原理:利用 NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; formatter.numberStyle = kCFNumberFormatterDecimalStyle
PieChartData *data = [[PieChartData alloc] initWithDataSet:dataSet]; NSNumberFormatter *pFormatter = [[NSNumberFormatter alloc] init]; pFormatter.numberStyle = NSNumberFormatterPercentStyle
intVal = [str integerValue]; int val = [str intValue]; NSString 到 NSNumber NSString* str = @"123"; NSNumberFormatter * f = [[NSNumberFormatter alloc] init]; [f setNumberStyle:NSNumberFormatterDecimalStyle]; NSNumber* num
Y轴上的数字千位加分割号: NSNumberFormatter *leftAxisFormatter = [[NSNumberFormatter alloc] init]; leftAxisFormatter.minimumFractionDigits ChartViewPortHandler *)viewPortHandler { if (value == 0) { return @""; }else{ NSNumberFormatter *moneyFormatter = [[NSNumberFormatter alloc] init]; moneyFormatter.positiveFormat = @"###,##0
6.千位加分隔符 NSNumberFormatter *moneyFormatter = [[NSNumberFormatter alloc] init]; moneyFormatter.positiveFormat
valueFormatter属性,看下面: image.png 仔细看看你就看到这个属性类型,一个遵守了ChartAxisValueFormatter协议的任意类型,以前有一些代码写的时候是直接写一个NSNumberFormatter
若是赋值为0 防止崩溃 if (([str isEqual:[NSNull null]] || str == nil)) { str = 0; } NSNumberFormatter *formatter = [[NSNumberFormatter alloc]init]; formatter.locale = [NSLocale currentLocale]; formatter.numberStyle
) 应用内切换语言生效的技术实现: 1、销毁根控制器,重新进入一次(采用) 2、通过发通知,到各个控制器更新文字(不采用) 效果 1.3 数字和时间格式本地化 使用NSDateFormatter和NSNumberFormatter
YES) { // 字符串-->数字 if ([value isKindOfClass:[NSString class]]) { value = [[[NSNumberFormatter value; // 字符串-->数字 if ([value isKindOfClass:[NSString class]]) { value = [[[NSNumberFormatter
YES) { // 字符串-->数字 if ([value isKindOfClass:[NSString class]]) { value = [[[NSNumberFormatter value; // 字符串-->数字 if ([value isKindOfClass:[NSString class]]) { value = [[[NSNumberFormatter
displayText; } }}#pragma mark - 格式化价格- (NSString *)priceStringForProduct:(SKProduct *)product { NSNumberFormatter *priceFormatter = [[NSNumberFormatter alloc] init]; [priceFormatter setFormatterBehavior:NSNumberFormatterBehavior10
如果能复现该崩溃,在控制台的日志如下: Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '-[NSNumberFormatter
*string = [NSString stringWithFormat:@"The value is %d", value]; // Converting a string to a number NSNumberFormatter *formatter = [[NSNumberFormatter alloc] init]; NSNumber *number = [formatter numberFromString:string