117 lines
4.2 KiB
Objective-C
117 lines
4.2 KiB
Objective-C
//
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// NSString+Regex.m
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// YUMI
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//
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// Created by YUMI on 2021/9/14.
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//
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#import "NSString+Utils.h"
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#import <CommonCrypto/CommonDigest.h>
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@implementation NSString (Utils)
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///是否是正确的手机号
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- (BOOL)isPhoneNumber{
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NSString *regex =@"^((1[3-9][0-9])|(147)|(15[^4,\\D])|(18[0,5-9]))\\d{8}$";
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NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
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return [pred evaluateWithObject:self];
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}
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///MD5加密
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- (NSString *)MD5String {
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const char *cstr = [self UTF8String];
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unsigned char result[16];
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CC_MD5(cstr, (CC_LONG)strlen(cstr), result);
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return [NSString stringWithFormat:
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@"%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x",
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result[0], result[1], result[2], result[3],
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result[4], result[5], result[6], result[7],
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result[8], result[9], result[10], result[11],
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result[12], result[13], result[14], result[15]
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];
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}
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+ (BOOL)versionCompareOldStr:(NSString *)first andNewStr: (NSString *)second{
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if ([first compare:second options:NSNumericSearch] == NSOrderedAscending){
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return NO;
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}else if ([first compare:second options:NSNumericSearch] == NSOrderedSame){
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return YES;
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}else{
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return YES;
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}
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}
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///数字转化为万
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+ (NSString *)getDealNumwithstring:(NSString *)string{
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if (string.floatValue <10000) {
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return [NSString stringWithFormat:@"%@.0", string];
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}
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NSDecimalNumber *numberA = [NSDecimalNumber decimalNumberWithString:string];
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NSDecimalNumber *numberB = [NSDecimalNumber decimalNumberWithString:@"10000"];
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//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。
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NSDecimalNumberHandler *roundingBehavior = [NSDecimalNumberHandler decimalNumberHandlerWithRoundingMode:NSRoundDown scale:2 raiseOnExactness:NO raiseOnOverflow:NO raiseOnUnderflow:NO raiseOnDivideByZero:NO];
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/// 这里不仅包含Multiply还有加 减 乘。
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NSDecimalNumber *numResult = [numberA decimalNumberByDividingBy:numberB withBehavior:roundingBehavior];
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NSString *strResult = [numResult stringValue];
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return [NSString stringWithFormat:YMLocalizedString(@"NSString_Utils0"), strResult];
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}
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+ (NSString *)stringWithTimeStamp:(NSString *)timeStamp {
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// 转为秒为单位
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NSTimeInterval second = timeStamp.longLongValue / 1000;
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NSDate *date = [NSDate dateWithTimeIntervalSince1970:second];
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//把字符串转为NSdate
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NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
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[dateFormatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
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// 时间 10点10分
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NSDateFormatter *timeFormatter = [[NSDateFormatter alloc] init];
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[timeFormatter setDateFormat:@"HH:mm"];
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// 日期 2月18号
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NSDateFormatter *dayFormatter = [[NSDateFormatter alloc] init];
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[dayFormatter setDateFormat:YMLocalizedString(@"NSString_Utils1")];
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// 日期 年月日
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NSDateFormatter *yearFormatter = [[NSDateFormatter alloc] init];
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[yearFormatter setDateFormat:YMLocalizedString(@"NSString_Utils2")];
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//得到与当前时间差
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NSTimeInterval timeInterval = [date timeIntervalSinceNow];
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timeInterval = -timeInterval;
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long temp = 0;
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NSString *result;
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BOOL isSameDay = [[NSCalendar currentCalendar] isDateInToday:date]; // 是否是同一天
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// A. 当天，且 timeInterval < 1分钟，显示“刚刚”；
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if (timeInterval < 60) {
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return [NSString stringWithFormat:YMLocalizedString(@"NSString_Utils3")];
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// B. 当天，且1分钟≤ timeInterval <60分钟，显示“n分钟前”；
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} else if((temp = timeInterval/60) < 60){
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return [NSString stringWithFormat:YMLocalizedString(@"NSString_Utils4"),temp];
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// C. 当天，且n≥60分钟，显示“xx:xx”；
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} else if((temp = temp/60) < 24 && isSameDay){
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return [timeFormatter stringFromDate:date];
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// C. 非当天，且n≥60分钟，显示“xx:xx”；
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} else if((temp = temp/60) < 24 && !isSameDay){
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return [dayFormatter stringFromDate:date];
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// D. 跨天，且未跨年，显示“mm-dd”；
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} else if((temp = temp/30) < 30){
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return [dayFormatter stringFromDate:date];
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} else {
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// E. 跨年，显示“yyyy-mm-dd”；
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return [yearFormatter stringFromDate:date];
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}
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return result;
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}
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@end
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