a35a711be6
- Removed YuMi/Library/ (138 MB, not tracked) - Removed YuMi/Resources/ (23 MB, not tracked) - Removed old version assets (566 files, not tracked) - Excluded Pods/, xcuserdata/ and other build artifacts - Clean repository optimized for company server deployment
556 lines
23 KiB
Objective-C
556 lines
23 KiB
Objective-C
//
|
||
// NSString+Regex.m
|
||
// YUMI
|
||
//
|
||
// Created by YUMI on 2021/9/14.
|
||
//
|
||
|
||
#import "NSString+Utils.h"
|
||
#import <CommonCrypto/CommonDigest.h>
|
||
#import "LoginAreaModel.h"
|
||
|
||
@implementation NSString (Utils)
|
||
|
||
///是否是正确的手机号
|
||
- (BOOL)isPhoneNumber{
|
||
NSString *regex =@"^((1[3-9][0-9])|(147)|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";
|
||
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
|
||
return [pred evaluateWithObject:self];
|
||
}
|
||
|
||
///MD5加密
|
||
- (NSString *)MD5String {
|
||
const char *cstr = [self UTF8String];
|
||
unsigned char result[16];
|
||
CC_MD5(cstr, (CC_LONG)strlen(cstr), result);
|
||
return [NSString stringWithFormat:
|
||
@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
|
||
result[0], result[1], result[2], result[3],
|
||
result[4], result[5], result[6], result[7],
|
||
result[8], result[9], result[10], result[11],
|
||
result[12], result[13], result[14], result[15]
|
||
];
|
||
}
|
||
|
||
+ (BOOL)versionCompareOldStr:(NSString *)first andNewStr: (NSString *)second{
|
||
if ([first compare:second options:NSNumericSearch] == NSOrderedAscending){
|
||
return NO;
|
||
}else if ([first compare:second options:NSNumericSearch] == NSOrderedSame){
|
||
return YES;
|
||
}else{
|
||
return YES;
|
||
}
|
||
}
|
||
+(NSString *)getDealTenNumWithString:(NSString *)string{
|
||
if (string.floatValue < 100000) {
|
||
return [NSString stringWithFormat:@"%@", string];
|
||
}
|
||
NSDecimalNumber *numberA = [NSDecimalNumber decimalNumberWithString:string];
|
||
NSDecimalNumber *numberB = [NSDecimalNumber decimalNumberWithString:@"1000"];
|
||
//NSDecimalNumberBehaviors对象的创建 参数 1.RoundingMode 一个取舍枚举值 2.scale 处理范围 3.raiseOnExactness 精确出现异常是否抛出原因 4.raiseOnOverflow 上溢出是否抛出原因 4.raiseOnUnderflow 下溢出是否抛出原因 5.raiseOnDivideByZero 除以0是否抛出原因。
|
||
NSDecimalNumberHandler *roundingBehavior = [NSDecimalNumberHandler decimalNumberHandlerWithRoundingMode:NSRoundDown scale:0 raiseOnExactness:NO raiseOnOverflow:NO raiseOnUnderflow:NO raiseOnDivideByZero:NO];
|
||
/// 这里不仅包含Multiply还有加 减 乘。
|
||
NSDecimalNumber *numResult = [numberA decimalNumberByDividingBy:numberB withBehavior:roundingBehavior];
|
||
NSString *strResult = [numResult stringValue];
|
||
return [NSString stringWithFormat:@"%@k", strResult];
|
||
}
|
||
///数字转化为万
|
||
+ (NSString *)getDealNumWithString:(NSString *)string{
|
||
if (string.floatValue < 10000) {
|
||
return [NSString stringWithFormat:@"%@", string];
|
||
}
|
||
NSDecimalNumber *numberA = [NSDecimalNumber decimalNumberWithString:string];
|
||
NSDecimalNumber *numberB = [NSDecimalNumber decimalNumberWithString:@"10000"];
|
||
//NSDecimalNumberBehaviors对象的创建 参数 1.RoundingMode 一个取舍枚举值 2.scale 处理范围 3.raiseOnExactness 精确出现异常是否抛出原因 4.raiseOnOverflow 上溢出是否抛出原因 4.raiseOnUnderflow 下溢出是否抛出原因 5.raiseOnDivideByZero 除以0是否抛出原因。
|
||
NSDecimalNumberHandler *roundingBehavior = [NSDecimalNumberHandler decimalNumberHandlerWithRoundingMode:NSRoundDown scale:2 raiseOnExactness:NO raiseOnOverflow:NO raiseOnUnderflow:NO raiseOnDivideByZero:NO];
|
||
/// 这里不仅包含Multiply还有加 减 乘。
|
||
NSDecimalNumber *numResult = [numberA decimalNumberByDividingBy:numberB withBehavior:roundingBehavior];
|
||
NSString *strResult = [numResult stringValue];
|
||
return [NSString stringWithFormat:YMLocalizedString(@"NSString_Utils4"), strResult];
|
||
}
|
||
|
||
+ (NSString *)formatNumberToKOrM:(NSString *)string {
|
||
// 定义数值单位
|
||
NSDecimalNumber *thousand = [NSDecimalNumber decimalNumberWithString:@"1000"];
|
||
NSDecimalNumber *nine = [NSDecimalNumber decimalNumberWithString:@"9999"];
|
||
NSDecimalNumber *million = [NSDecimalNumber decimalNumberWithString:@"1000000"];
|
||
NSDecimalNumber *billion = [NSDecimalNumber decimalNumberWithString:@"1000000000"];
|
||
NSDecimalNumber *trillion = [NSDecimalNumber decimalNumberWithString:@"1000000000000"];
|
||
// 创建 NSDecimalNumber 对象
|
||
NSDecimalNumber *number = [NSDecimalNumber decimalNumberWithString:string];
|
||
|
||
// 判断数值范围并处理
|
||
if ([number compare:nine] == NSOrderedAscending) {
|
||
// 小于 10000，直接返回原始值
|
||
return [NSString stringWithFormat:@"%@", string];
|
||
} else if ([number compare:nine] != NSOrderedAscending && [number compare:million] == NSOrderedAscending) {
|
||
// 10000 到 9999999，用K表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:thousand];
|
||
return [self formatResult:result withUnit:@"K"];//[NSString stringWithFormat:@"%.1fK", result.doubleValue];
|
||
} else if ([number compare:million] != NSOrderedAscending && [number compare:billion] == NSOrderedAscending) {
|
||
// 超过 1000000，用M表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:million];
|
||
return [self formatResult:result withUnit:@"M"];//[NSString stringWithFormat:@"%.1fM", result.doubleValue];
|
||
} else if ([number compare:billion] != NSOrderedAscending && [number compare:trillion] == NSOrderedAscending) {
|
||
// 超过十亿，用 B 表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:billion];
|
||
return [self formatResult:result withUnit:@"B"];
|
||
} else {
|
||
// 超过一万亿，可以继续增加更高单位
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:trillion];
|
||
return [self formatResult:result withUnit:@"T"]; // T 表示万亿 (Trillion)
|
||
}
|
||
}
|
||
|
||
+ (NSString *)formatNumberToKOrM_NoRounding:(NSString *)string {
|
||
// 定义数值单位
|
||
NSDecimalNumber *thousand = [NSDecimalNumber decimalNumberWithString:@"1000"];
|
||
NSDecimalNumber *nine = [NSDecimalNumber decimalNumberWithString:@"9999"];
|
||
NSDecimalNumber *million = [NSDecimalNumber decimalNumberWithString:@"1000000"];
|
||
NSDecimalNumber *billion = [NSDecimalNumber decimalNumberWithString:@"1000000000"];
|
||
NSDecimalNumber *trillion = [NSDecimalNumber decimalNumberWithString:@"1000000000000"];
|
||
// 创建 NSDecimalNumber 对象
|
||
NSDecimalNumber *number = [NSDecimalNumber decimalNumberWithString:string];
|
||
|
||
// 判断数值范围并处理
|
||
if ([number compare:nine] == NSOrderedAscending) {
|
||
// 小于 10000，直接返回原始值
|
||
return [NSString stringWithFormat:@"%@", string];
|
||
} else if ([number compare:nine] != NSOrderedAscending && [number compare:million] == NSOrderedAscending) {
|
||
// 10000 到 9999999，用K表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:thousand];
|
||
return [self truncateDecimal:result withUnit:@"K"];
|
||
} else if ([number compare:million] != NSOrderedAscending && [number compare:billion] == NSOrderedAscending) {
|
||
// 超过 1000000，用M表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:million];
|
||
return [self truncateDecimal:result withUnit:@"M"];
|
||
} else if ([number compare:billion] != NSOrderedAscending && [number compare:trillion] == NSOrderedAscending) {
|
||
// 超过十亿，用 B 表示
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:billion];
|
||
return [self truncateDecimal:result withUnit:@"B"];
|
||
} else {
|
||
// 超过一万亿，可以继续增加更高单位
|
||
NSDecimalNumber *result = [number decimalNumberByDividingBy:trillion];
|
||
return [self truncateDecimal:result withUnit:@"T"]; // T 表示万亿 (Trillion)
|
||
}
|
||
}
|
||
|
||
// 格式化并截断小数位
|
||
+ (NSString *)truncateDecimal:(NSDecimalNumber *)decimal withUnit:(NSString *)unit {
|
||
// 获取字符串形式的结果，并截断到一位小数
|
||
NSString *decimalString = decimal.stringValue;
|
||
NSArray<NSString *> *components = [decimalString componentsSeparatedByString:@"."];
|
||
NSString *integerPart = components.firstObject;
|
||
NSString *decimalPart = components.count > 1 ? components[1] : @"";
|
||
|
||
if (decimalPart.length > 1) {
|
||
decimalPart = [decimalPart substringToIndex:1]; // 截断到一位小数
|
||
}
|
||
|
||
if (decimalPart.length == 0 || [decimalPart isEqualToString:@"0"]) {
|
||
// 如果小数部分为空或为 0，只返回整数部分
|
||
return [NSString stringWithFormat:@"%@%@", integerPart, unit];
|
||
} else {
|
||
// 返回截断后的结果
|
||
return [NSString stringWithFormat:@"%@.%@%@", integerPart, decimalPart, unit];
|
||
}
|
||
}
|
||
|
||
|
||
+ (NSString *)formatResult:(NSDecimalNumber *)result withUnit:(NSString *)unit {
|
||
// 将 NSDecimalNumber 转为浮点数
|
||
CGFloat floatValue = result.floatValue;
|
||
|
||
// 格式化字符串，保留两位小数
|
||
NSString *formattedString = [NSString stringWithFormat:@"%.2f", floatValue];
|
||
|
||
// 移除多余的 .00 或 .0
|
||
if ([formattedString hasSuffix:@".00"]) {
|
||
formattedString = [formattedString substringToIndex:formattedString.length - 3]; // 移除 ".00"
|
||
} else if ([formattedString hasSuffix:@".0"]) {
|
||
formattedString = [formattedString substringToIndex:formattedString.length - 2]; // 移除 ".0"
|
||
}
|
||
|
||
return [NSString stringWithFormat:@"%@%@", formattedString, unit];
|
||
}
|
||
|
||
+ (NSString *)stringWithTimeStamp:(NSString *)timeStamp {
|
||
// 转为秒为单位
|
||
NSTimeInterval second = timeStamp.longLongValue / 1000;
|
||
NSDate *date = [NSDate dateWithTimeIntervalSince1970:second];
|
||
|
||
//把字符串转为NSdate
|
||
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
|
||
[dateFormatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
|
||
// 时间 10点10分
|
||
NSDateFormatter *timeFormatter = [[NSDateFormatter alloc] init];
|
||
[timeFormatter setDateFormat:@"HH:mm"];
|
||
// 日期 2月18号
|
||
NSDateFormatter *dayFormatter = [[NSDateFormatter alloc] init];
|
||
[dayFormatter setDateFormat:YMLocalizedString(@"NSString_Utils0")];
|
||
// 日期 年月日
|
||
NSDateFormatter *yearFormatter = [[NSDateFormatter alloc] init];
|
||
[yearFormatter setDateFormat:YMLocalizedString(@"NSString_Utils1")];
|
||
|
||
//得到与当前时间差
|
||
NSTimeInterval timeInterval = [date timeIntervalSinceNow];
|
||
timeInterval = -timeInterval;
|
||
|
||
long temp = 0;
|
||
NSString *result;
|
||
|
||
BOOL isSameDay = [[NSCalendar currentCalendar] isDateInToday:date]; // 是否是同一天
|
||
|
||
// A. 当天，且 timeInterval < 1分钟，显示“刚刚”；
|
||
if (timeInterval < 60) {
|
||
return [NSString stringWithFormat:@"%@", YMLocalizedString(@"NSString_Utils2")];
|
||
|
||
// B. 当天，且1分钟≤ timeInterval <60分钟，显示“n分钟前”；
|
||
} else if((temp = timeInterval/60) < 60){
|
||
return [NSString stringWithFormat:YMLocalizedString(@"NSString_Utils3"),temp];
|
||
|
||
// C. 当天，且n≥60分钟，显示“xx:xx”；
|
||
} else if((temp = temp/60) < 24 && isSameDay){
|
||
return [timeFormatter stringFromDate:date];
|
||
|
||
// C. 非当天，且n≥60分钟，显示“xx:xx”；
|
||
} else if((temp = temp/60) < 24 && !isSameDay){
|
||
return [dayFormatter stringFromDate:date];
|
||
|
||
// D. 跨天，且未跨年，显示“mm-dd”；
|
||
} else if((temp = temp/30) < 30){
|
||
return [dayFormatter stringFromDate:date];
|
||
|
||
} else {
|
||
// E. 跨年，显示“yyyy-mm-dd”；
|
||
return [yearFormatter stringFromDate:date];
|
||
}
|
||
|
||
return result;
|
||
}
|
||
|
||
+ (NSString *)calculateConstellationWithMonth:(long)time
|
||
{
|
||
NSString *astroString = YMLocalizedString(@"XPMineHeadView0");
|
||
NSString *astroFormat = @"102123444543";
|
||
NSString *result;
|
||
|
||
NSInteger month = [NSString getMonth:time];
|
||
NSInteger day = [NSString getDay:time];
|
||
|
||
if (month<1 || month>12 || day<1 || day>31){
|
||
return YMLocalizedString(@"XPMineHeadView1");
|
||
}
|
||
|
||
if(month==2 && day>29)
|
||
{
|
||
return YMLocalizedString(@"XPMineHeadView2");
|
||
}else if(month==4 || month==6 || month==9 || month==11) {
|
||
if (day>30) {
|
||
return YMLocalizedString(@"XPMineHeadView3");
|
||
}
|
||
}
|
||
|
||
result=[NSString stringWithFormat:@"%@",[astroString substringWithRange:NSMakeRange(month*2-(day < [[astroFormat substringWithRange:NSMakeRange((month-1), 1)] intValue] - (-19))*2,2)]];
|
||
|
||
return [NSString stringWithFormat:YMLocalizedString(@"XPMineHeadView6"),result];
|
||
|
||
}
|
||
///通过生日获取星座图片
|
||
+ (NSString *)getCalculateConstellationImageWithMonth:(long)time{
|
||
NSString *astroString = YMLocalizedString(@"XPMineHeadView0");
|
||
NSString *astroFormat = @"102123444543";
|
||
NSString *result;
|
||
|
||
NSInteger month = [self getMonth:time];
|
||
NSInteger day = [self getDay:time];
|
||
|
||
if (month<1 || month>12 || day<1 || day>31){
|
||
return @"";
|
||
}
|
||
|
||
if(month==2 && day>29)
|
||
{
|
||
return @"";
|
||
}else if(month==4 || month==6 || month==9 || month==11) {
|
||
if (day>30) {
|
||
return @"";
|
||
}
|
||
}
|
||
|
||
result=[NSString stringWithFormat:@"%@",[astroString substringWithRange:NSMakeRange(month*2-(day < [[astroFormat substringWithRange:NSMakeRange((month-1), 1)] intValue] - (-19))*2,2)]];
|
||
NSDictionary *starDic = @{YMLocalizedString(@"XPMineHeadView9"):@"pi_capricorn",YMLocalizedString(@"XPMineHeadView10"):@"pi_water_bottle",YMLocalizedString(@"XPMineHeadView11"):@"pi_pisces",YMLocalizedString(@"XPMineHeadView12"):@"pi_aries",YMLocalizedString(@"XPMineHeadView13"):@"pi_taurus",YMLocalizedString(@"XPMineHeadView14"):@"pi_gemini",YMLocalizedString(@"XPMineHeadView15"):@"pi_cancer",YMLocalizedString(@"XPMineHeadView16"):@"pi_lion",YMLocalizedString(@"XPMineHeadView17"):@"pi_virgin",YMLocalizedString(@"XPMineHeadView18"):@"pi_libra",YMLocalizedString(@"XPMineHeadView19"):@"pi_scorpion",YMLocalizedString(@"XPMineHeadView20"):@"pi_shooter"};
|
||
return starDic[result];
|
||
}
|
||
///通过生日获取星座
|
||
+ (NSString *)getCalculateConstellationTextWithMonth:(long)time{
|
||
NSString *astroString = YMLocalizedString(@"XPMineHeadView0");
|
||
NSString *astroFormat = @"102123444543";
|
||
NSString *result;
|
||
|
||
NSInteger month = [self getMonth:time];
|
||
NSInteger day = [self getDay:time];
|
||
|
||
if (month<1 || month>12 || day<1 || day>31){
|
||
return @"";
|
||
}
|
||
|
||
if(month==2 && day>29)
|
||
{
|
||
return @"";
|
||
}else if(month==4 || month==6 || month==9 || month==11) {
|
||
if (day>30) {
|
||
return @"";
|
||
}
|
||
}
|
||
|
||
result=[NSString stringWithFormat:@"%@",[astroString substringWithRange:NSMakeRange(month*2-(day < [[astroFormat substringWithRange:NSMakeRange((month-1), 1)] intValue] - (-19))*2,2)]];
|
||
return result;
|
||
}
|
||
+(NSInteger) getMonth:(long )time
|
||
{
|
||
NSDate *date = [NSDate dateWithTimeIntervalSince1970:time/1000];
|
||
NSCalendar* calendar = [NSCalendar currentCalendar];
|
||
NSDateComponents* components = [calendar components:NSCalendarUnitMonth fromDate:date];
|
||
NSInteger month = components.month;
|
||
return month;
|
||
}
|
||
|
||
+ (NSInteger) getDay:(long) time
|
||
{
|
||
NSDate *date = [NSDate dateWithTimeIntervalSince1970:time/1000];
|
||
NSCalendar* calendar = [NSCalendar currentCalendar];
|
||
NSDateComponents* components = [calendar components:NSCalendarUnitDay fromDate:date];
|
||
NSInteger day = components.day;
|
||
return day;
|
||
}
|
||
+(NSString *)getAgeWithBirth:(long)birth{
|
||
if (birth == 0) {
|
||
return @" ";
|
||
}
|
||
NSDateComponents *components1 = [[NSCalendar currentCalendar] components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear fromDate:[NSDate dateWithTimeIntervalSince1970:birth/1000]];
|
||
NSInteger brithDateYear = [components1 year];
|
||
NSInteger brithDateDay = [components1 day];
|
||
NSInteger brithDateMonth = [components1 month];
|
||
// 获取系统当前 年月日
|
||
NSDateComponents *components2 = [[NSCalendar currentCalendar] components:NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear fromDate:[NSDate date]]; NSInteger currentDateYear = [components2 year];
|
||
NSInteger currentDateDay = [components2 day]; NSInteger currentDateMonth = [components2 month]; // 计算年龄
|
||
NSInteger iAge = currentDateYear - brithDateYear - 1;
|
||
if ((currentDateMonth > brithDateMonth) || (currentDateMonth == brithDateMonth && currentDateDay >= brithDateDay)) {
|
||
iAge++;
|
||
}
|
||
return [NSString stringWithFormat:@" %ld ", iAge];
|
||
}
|
||
///得到区号
|
||
+(NSString *)getCountryCode{
|
||
// 获取文件路径
|
||
NSString *path = [[NSBundle mainBundle] pathForResource:@"pi_area_info" ofType:@"json"];
|
||
// 将文件数据化
|
||
NSData *data = [[NSData alloc] initWithContentsOfFile:path];
|
||
// 对数据进行JSON格式化并返回字典形式
|
||
NSError *error = nil;
|
||
NSDictionary *codeData = [NSJSONSerialization JSONObjectWithData:data
|
||
options:NSJSONReadingMutableLeaves
|
||
error:&error];
|
||
if (error) {
|
||
// NSLog(@"JSON Parsing Error: %@", error.localizedDescription);
|
||
}
|
||
NSArray *codeList = [LoginAreaModel modelsWithArray:codeData[@"RECORDS"]];
|
||
NSString *mccCode = [YYUtility getMobileCountryCode];
|
||
NSString *countryCode = @"";
|
||
|
||
if([mccCode isEqualToString:@"65535"]) {
|
||
return @"+886";
|
||
}
|
||
|
||
for (LoginAreaModel *obj in codeList) {
|
||
if([mccCode isEqualToString:obj.mcc]){
|
||
countryCode = obj.code;
|
||
break;
|
||
}
|
||
}
|
||
|
||
if(countryCode.length == 0) {
|
||
return @"+886";
|
||
}
|
||
|
||
return [NSString stringWithFormat:@"+%@",countryCode];
|
||
}
|
||
+(NSString *)createUUID{
|
||
|
||
CFUUIDRef uuid;
|
||
CFStringRef uuidText;
|
||
uuid = CFUUIDCreate(NULL);
|
||
uuidText = CFUUIDCreateString(NULL, uuid);
|
||
NSString *time = [NSDate getNowTimeTimestamp];
|
||
NSString *result = [NSString stringWithFormat:@"%@%@",uuidText,time];
|
||
return [result MD5String];
|
||
|
||
}
|
||
|
||
+ (BOOL)isEmpty:(NSString *)string {
|
||
if (string == nil || [string isKindOfClass:[NSNull class]]) {
|
||
return YES;
|
||
}
|
||
NSString *trimmedString = [string stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
|
||
return trimmedString.length == 0;
|
||
}
|
||
|
||
- (NSString *)pureURLString {
|
||
NSString *encodingUrl = [self stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet characterSetWithCharactersInString:@"`#%^{}\"[]|\\<> "].invertedSet];
|
||
return encodingUrl;//[self stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
|
||
// NSURLComponents *components = [NSURLComponents componentsWithString:self];
|
||
// components.query = [components.query stringByAddingPercentEncodingWithAllowedCharacters:[NSCharacterSet URLQueryAllowedCharacterSet]];
|
||
// return components.string;
|
||
}
|
||
|
||
+ (NSString *)stringByRemovingRedundantZeros:(NSString *)string {
|
||
// 1. 检查输入是否有效
|
||
if (!string || string.length == 0) {
|
||
return string;
|
||
}
|
||
|
||
// 2. 检查字符串是否包含小数点
|
||
if ([string rangeOfString:@"."].location == NSNotFound) {
|
||
return string; // 没有小数点，直接返回原始字符串
|
||
}
|
||
|
||
// 3. 使用NSDecimalNumber进行精确的数值处理
|
||
NSDecimalNumber *decimalNumber = [NSDecimalNumber decimalNumberWithString:string];
|
||
if ([decimalNumber isEqual:[NSDecimalNumber notANumber]]) {
|
||
return string; // 转换失败，返回原始字符串
|
||
}
|
||
|
||
// 4. 设置四舍五入处理器，精确到小数点后2位
|
||
NSDecimalNumberHandler *handler = [NSDecimalNumberHandler
|
||
decimalNumberHandlerWithRoundingMode:NSRoundPlain
|
||
scale:2
|
||
raiseOnExactness:NO
|
||
raiseOnOverflow:NO
|
||
raiseOnUnderflow:NO
|
||
raiseOnDivideByZero:NO];
|
||
|
||
// 5. 执行四舍五入操作
|
||
NSDecimalNumber *roundedNumber = [decimalNumber decimalNumberByRoundingAccordingToBehavior:handler];
|
||
|
||
// 6. 将四舍五入后的数字转换为字符串
|
||
NSString *formattedString = [roundedNumber stringValue];
|
||
|
||
// 7. 分离整数部分和小数部分
|
||
NSArray *components = [formattedString componentsSeparatedByString:@"."];
|
||
NSString *integerPart = components[0];
|
||
|
||
// 8. 如果没有小数部分，直接返回整数部分
|
||
if (components.count < 2) {
|
||
return integerPart;
|
||
}
|
||
|
||
NSString *fractionalPart = components[1];
|
||
|
||
// 9. 如果小数部分为空，返回整数部分
|
||
if (fractionalPart.length == 0) {
|
||
return integerPart;
|
||
}
|
||
|
||
// 10. 移除小数部分末尾的0
|
||
NSUInteger lastNonZeroIndex = NSNotFound;
|
||
for (NSInteger i = fractionalPart.length - 1; i >= 0; i--) {
|
||
if ([fractionalPart characterAtIndex:i] != '0') {
|
||
lastNonZeroIndex = i;
|
||
break;
|
||
}
|
||
}
|
||
|
||
// 11. 如果小数部分全是0，返回整数部分
|
||
if (lastNonZeroIndex == NSNotFound) {
|
||
return integerPart;
|
||
} else {
|
||
// 12. 组合整数部分和修剪后的小数部分
|
||
NSString *trimmedFraction = [fractionalPart substringToIndex:lastNonZeroIndex + 1];
|
||
return [NSString stringWithFormat:@"%@.%@", integerPart, trimmedFraction];
|
||
}
|
||
}
|
||
|
||
//+ (NSString *)stringByRemovingRedundantZeros:(NSString *)string {
|
||
// if (![string containsString:@"."]) {
|
||
// return string; // 不包含小數點，直接返回
|
||
// }
|
||
//
|
||
// // 將字串分割成整數部分和小數部分
|
||
// NSArray *components = [string componentsSeparatedByString:@"."];
|
||
// if (components.count > 2) {
|
||
// return string; // 包含多個小數點，不處理直接返回 (或者您可以考慮拋出錯誤)
|
||
// }
|
||
//
|
||
// NSString *integerPart = components[0];
|
||
// NSString *fractionalPart = components.count > 1 ? components[1] : @"";
|
||
//
|
||
// if (fractionalPart.length == 0) {
|
||
// return integerPart; // 沒有小數部分，直接返回整數部分
|
||
// }
|
||
//
|
||
// // 從後向前移除小數部分末尾的 0
|
||
// NSInteger lastNonZeroIndex = -1;
|
||
// for (NSInteger i = fractionalPart.length - 1; i >= 0; i--) {
|
||
// if ([fractionalPart characterAtIndex:i] != '0') {
|
||
// lastNonZeroIndex = i;
|
||
// break;
|
||
// }
|
||
// }
|
||
//
|
||
// if (lastNonZeroIndex == -1) {
|
||
// return integerPart; // 小數部分全是 0，返回整數部分
|
||
// } else {
|
||
// // 截取到最後一個非零數字
|
||
// NSString *trimmedFractionalPart = [fractionalPart substringToIndex:lastNonZeroIndex + 1];
|
||
// return [NSString stringWithFormat:@"%@.%@", integerPart, trimmedFractionalPart];
|
||
// }
|
||
//}
|
||
|
||
+ (NSString *)trimString:(NSString *)input lengthLimit:(NSInteger)limit {
|
||
if (input.length <= limit) {
|
||
return input;
|
||
} else {
|
||
NSString *trimmedString = [input substringToIndex:limit];
|
||
return [trimmedString stringByAppendingString:@"..."];
|
||
}
|
||
}
|
||
|
||
/// 判断 URL 是否为有效的图片格式
|
||
+ (BOOL)isValidImageURL:(NSString *)url {
|
||
if ([NSString isEmpty:url]) {
|
||
return NO;
|
||
}
|
||
|
||
NSString *lowercaseURL = url.lowercaseString;
|
||
NSArray *imageExtensions = @[@"png", @"jpg", @"jpeg", @"gif", @"webp", @"bmp", @"svg"];
|
||
|
||
for (NSString *extension in imageExtensions) {
|
||
if ([lowercaseURL hasSuffix:extension]) {
|
||
return YES;
|
||
}
|
||
}
|
||
|
||
return NO;
|
||
}
|
||
|
||
/// 检查字符串是否为图片格式（通过扩展名判断）
|
||
+ (BOOL)isImageFormat:(NSString *)url {
|
||
if ([NSString isEmpty:url]) {
|
||
return NO;
|
||
}
|
||
|
||
NSString *lowercaseURL = url.lowercaseString;
|
||
NSArray *imageExtensions = @[@".png", @".jpg", @".jpeg", @".gif", @".webp", @".bmp", @".svg"];
|
||
|
||
for (NSString *extension in imageExtensions) {
|
||
if ([lowercaseURL hasSuffix:extension]) {
|
||
return YES;
|
||
}
|
||
}
|
||
|
||
return NO;
|
||
}
|
||
|
||
@end
|