iOS 常用正则，时间戳和日期转换，字符串宽高行数获取，高效切圆
2017-09-14 本文已影响35人
一颗小花菜
常用的公共方法类，有需要的可随时查看使用
#import <Foundation/Foundation.h>
@interface PublicMethod : NSObject
/**
* 计算指定时间与当前的时间差
* @param compareStr 某一指定时间戳
* @return 多少(秒or分or天or月or年)+前 (比如，3天前、10分钟前)
*/
+(NSString *)compareCurrentTime:(NSString*)compareStr;
/**
* 获取当前时间戳
*/
+(NSString *)getNowTimeTimestamp;
/**
* 获取当前时间：年月日
*/
+(NSString*)getNowTime;
/**
* 获取某个时间的时间戳
*/
+(double)getTheretime:(NSString *)time;
/*
*
转换秒数为分钟时长
*/
+(NSString *)getTime:(NSInteger)second;
/*
*
字符串非空判断
*/
+ (BOOL)isnull_string:(NSString *)str;
/*
*
时间戳转化为时间-月-日-时-分
*/
+ (NSString *)timeWithTimeIntervalString:(NSString *)timeString;
/*
*
时间戳转化为时间-时-分
*/
+ (NSString *)timeWithTime:(NSString *)timeString;
/*
获取当前时间的前几天/后几天
*/
+(NSString*)nextDay:(NSInteger)day isday:(BOOL)isday style: (NSString*)style;
/*
*
手机号正则
*/
+(BOOL)isMobileNumber:(NSString *)mobileNum;
/*
*
密码正则（6-15 字母+数字）
*/
+(BOOL)judgePassWordLegal:(NSString *)pass;
/**
判断字符串是否包含emoji表情
*/
+ (BOOL)stringContainsEmoji:(NSString *)string;
/*
*
一个lable两种字号两种颜色(都不相同)
*/
+ (NSAttributedString *)attributeText:(NSString *)leadString color:(UIColor *)leadColor appendString:(NSString *)appendString appendColor:(UIColor *)appendColor attributeFont1:(UIFont *)attributeFont1 attributeFont2:(UIFont *)attributeFont2 lineSpacing:(NSUInteger)lineSpacing;
/*
*
获取字符宽度
*/
+(float)widhForString:(NSString*)value fountSize:(float)fountsize;
/*
*
获取字符高度
*/
+(float)heightForString:(NSString*)value fountSize:(float)fountsize;
/*
*
获取一段文字行数
*/
+(CGFloat)getLineNum:(NSString*)str font:(UIFont*)font labelWidth:(CGFloat)width;
/**
切圆角
@param view 视图
*/
+ (void)cutRoundView:(UIView *)view;
.m
#import "PublicMethod.h"
@implementation PublicMethod
/**
* 计算指定时间与当前的时间差
* @param compareStr 某一指定时间戳
* @return 多少(秒or分or天or月or年)+前 (比如，3天前、10分钟前)
*/
+(NSString *)compareCurrentTime:(NSString*)compareStr{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc]init];
[dateFormatter setDateFormat:@"yyyy-MM-dd"];
NSDate *timeDate = [NSDate dateWithTimeIntervalSince1970:[compareStr intValue]];
NSString* dateString = [dateFormatter stringFromDate:timeDate];
//八小时时区
NSTimeZone *zone = [NSTimeZone systemTimeZone];
NSInteger interval = [zone secondsFromGMTForDate:timeDate];
NSDate *mydate = [timeDate dateByAddingTimeInterval:interval];
NSDate *nowDate = [[NSDate date]dateByAddingTimeInterval:interval];
//两个时间间隔
NSTimeInterval timeInterval = [mydate timeIntervalSinceDate:nowDate];
timeInterval = -timeInterval;
long temp = 0;
// NSString *time;
if (timeInterval<60) {
return [NSString stringWithFormat:@"刚刚"];
}else if ((temp = timeInterval/60)<60){
return [NSString stringWithFormat:@"%ld分钟前",temp];
}else if ((temp = timeInterval/(60*60))<24){
return [NSString stringWithFormat:@"%ld小时前",temp];
}else if((temp = timeInterval/(24*60*60))<30){
return dateString;
}else if (((temp = timeInterval/(24*60*60*30)))<12){
return dateString;
}else {
temp = timeInterval/(24*60*60*30*12);
return dateString;
}
}
/**
* 获取当前时间戳
*/
+(NSString *)getNowTimeTimestamp{
NSDateFormatter *formatter = [[NSDateFormatter alloc] init] ;
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm:ss"];
// ----------设置你想要的格式,hh与HH的区别:分别表示12小时制,24小时制
//设置时区,这个对于时间的处理有时很重要
NSTimeZone* timeZone = [NSTimeZone timeZoneWithName:@"Asia/Shanghai"];
[formatter setTimeZone:timeZone];
NSDate *datenow = [NSDate date];//现在时间,你可以输出来看下是什么格式
NSString *timeSp = [NSString stringWithFormat:@"%ld", (long)[datenow timeIntervalSince1970]];
return timeSp;
}
//获取当前时间：年-月-日
+(NSString*)getNowTime{
NSDate *date = [NSDate date];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYYMMdd"];
NSString *DateTime = [formatter stringFromDate:date];
return DateTime;
}
//获取某个时间段的时间戳
+(double)getTheretime:(NSString *)time{
// 获取当天6：00后的时间
NSDate *contractTimeDate = [NSDate date];
NSDateFormatter *formatter = [[NSDateFormatter alloc] init];
[formatter setDateFormat:@"yyyy/MM/dd"];
NSString *sixDate = [formatter stringFromDate:contractTimeDate];
sixDate = [NSString stringWithFormat:@"%@%@", sixDate, time];
[formatter setDateFormat:@"yyyy/MM/dd HH:mm"];
NSDate *sixDate2 = [formatter dateFromString:sixDate];
NSTimeInterval sixInterval = [sixDate2 timeIntervalSince1970];//今日06：00点的时间戳
return sixInterval ;
}
//*** 获取当前时间的前几天/后几天
+(NSString*)nextDay:(NSInteger)day isday:(BOOL)isday style:(NSString*)style{
NSDateFormatter* dateFormatter = [[NSDateFormatter alloc] init];
NSInteger dis = day; //前后的天数
NSDate*nowDate = [NSDate date];
[dateFormatter setDateFormat:style];
NSDate* theDate;
if(dis!=0)
{
NSTimeInterval oneDay = 24*60*60*1; //1天的长度
//后一天
if (isday==YES) {
theDate = [nowDate initWithTimeIntervalSinceNow: +oneDay*dis ];
}
//前一天
else
{
theDate = [nowDate initWithTimeIntervalSinceNow: -oneDay*dis ];
}
}
else
{
theDate = nowDate;
}
return [dateFormatter stringFromDate:theDate];
}
#pragma mark - 转换秒数时长
+ (NSString *)getTime:(NSInteger)second{
NSString *time;
if (second < 60) {
time = [NSString stringWithFormat:@"00:00:%02ld",(long)second];
}
else {
if (second < 3600) {
time = [NSString stringWithFormat:@"00:%02ld:%02ld",second/60,second%60];
}
else {
time = [NSString stringWithFormat:@"%02ld:%02ld:%02ld",second/3600,(second-second/3600*3600)/60,second%60];
}
}
return time;
}
/**
* 判断字符串是否为空
* @param str 要判断的字符串
* @return 是否为空 yes:不为空
*/
+ (BOOL)isnull_string:(NSString *)str{
if (str != nil && ![str isKindOfClass:[NSNull class]] && ![[str stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]] isEqualToString:@""]){
return YES;
}
return NO;
}
/**
时间戳转化为时间-月-日-时-分
*/
+ (NSString *)timeWithTimeIntervalString:(NSString *)timeString{
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"YYYY-MM-dd HH:mm"];
NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:[timeString integerValue]];
NSString *confromTimespStr = [formatter stringFromDate:confromTimesp];
return confromTimespStr;
}
/**
时间戳转化为时间-时-分
*/
+ (NSString *)timeWithTime:(NSString *)timeString{
// 格式化时间
NSDateFormatter* formatter = [[NSDateFormatter alloc] init];
[formatter setDateStyle:NSDateFormatterMediumStyle];
[formatter setTimeStyle:NSDateFormatterShortStyle];
[formatter setDateFormat:@"HH:mm"];
NSDate* date = [NSDate dateWithTimeIntervalSince1970:[timeString doubleValue]];
NSString* dateString = [formatter stringFromDate:date];
return dateString;
}
#pragma mark - 手机号码正则
+(BOOL)isMobileNumber:(NSString *)mobileNum{
if (mobileNum.length != 11)
{
return NO;
}
/**
* 手机号码:
* 13[0-9], 14[5,7], 15[0, 1, 2, 3, 5, 6, 7, 8, 9], 17[6, 7, 8], 18[0-9], 170[0-9]
* 移动号段: 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
* 联通号段: 130,131,132,155,156,185,186,145,176,1709
* 电信号段: 133,153,180,181,189,177,1700
*/
NSString *MOBILE = @"^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|70)\\d{8}$";
/**
* 中国移动：China Mobile
* 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
*/
NSString *CM = @"(^1(3[4-9]|4[7]|5[0-27-9]|7[8]|8[2-478])\\d{8}$)|(^1705\\d{7}$)";
/**
* 中国联通：China Unicom
* 130,131,132,155,156,185,186,145,176,1709
*/
NSString *CU = @"(^1(3[0-2]|4[5]|5[56]|7[6]|8[56])\\d{8}$)|(^1709\\d{7}$)";
/**
* 中国电信：China Telecom
* 133,153,180,181,189,177,1700
*/
NSString *CT = @"(^1(33|53|77|8[019])\\d{8}$)|(^1700\\d{7}$)";
NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
if (([regextestmobile evaluateWithObject:mobileNum] == YES)
|| ([regextestcm evaluateWithObject:mobileNum] == YES)
|| ([regextestct evaluateWithObject:mobileNum] == YES)
|| ([regextestcu evaluateWithObject:mobileNum] == YES))
{
return YES;
}
else
{
return NO;
}
}
#pragma mark - 密码正则
+(BOOL)judgePassWordLegal:(NSString *)pass{
BOOL result = false;
if ([pass length] >= 7){
// 判断长度大于7位后再接着判断是否同时包含数字和字符
NSString * regex = @"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{7,12}$";
NSPredicate *pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
result = [pred evaluateWithObject:pass];
}
return result;
}
#pragma mark -- 判断emoji表情
+ (BOOL)stringContainsEmoji:(NSString *)string{
__block BOOL returnValue = NO;
[string enumerateSubstringsInRange:NSMakeRange(0, [string length])
options:NSStringEnumerationByComposedCharacterSequences
usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
const unichar high = [substring characterAtIndex: 0];
// Surrogate pair (U+1D000-1F9FF)
if (0xD800 <= high && high <= 0xDBFF) {
const unichar low = [substring characterAtIndex: 1];
const int codepoint = ((high - 0xD800) * 0x400) + (low - 0xDC00) + 0x10000;
if (0x1D000 <= codepoint && codepoint <= 0x1F9FF){
returnValue = YES;
}
// Not surrogate pair (U+2100-27BF)
} else {
if (0x2100 <= high && high <= 0x27BF){
returnValue = YES;
}
}
}];
return returnValue;
}
//** 一个Lable设置两种字体颜色和大小
+ (NSAttributedString *)attributeText:(NSString *)leadString color:(UIColor *)leadColor appendString:(NSString *)appendString appendColor:(UIColor *)appendColor attributeFont1:(UIFont *)attributeFont1 attributeFont2:(UIFont *)attributeFont2 lineSpacing:(NSUInteger)lineSpacing{
if (!leadString || !appendString) {
return [[NSMutableAttributedString alloc] init];
}
if (![self isnull_string:leadString] && [self isnull_string:appendString]) {
NSDictionary *attributeAppendColor = @{NSForegroundColorAttributeName:appendColor,NSFontAttributeName:attributeFont2};
NSMutableAttributedString *attributeAppendString = [[NSMutableAttributedString alloc]
initWithString:appendString
attributes:attributeAppendColor];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.lineSpacing = lineSpacing; // 调整行间距
paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;
NSRange range = NSMakeRange(0, [attributeAppendString length]);
[attributeAppendString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:range];
return attributeAppendString;
}else if (![self isnull_string:appendString] && [self isnull_string:leadString]) {
NSDictionary *attributeLeadColor = @{NSForegroundColorAttributeName:leadColor,NSFontAttributeName:attributeFont1};
NSMutableAttributedString *attributeLeadString = [[NSMutableAttributedString alloc]
initWithString:leadString
attributes:attributeLeadColor];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.lineSpacing = lineSpacing; // 调整行间距
paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;
NSRange range = NSMakeRange(0, [attributeLeadString length]);
[attributeLeadString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:range];
return attributeLeadString;
}else{
NSDictionary *attributeLeadColor = @{NSForegroundColorAttributeName:leadColor,NSFontAttributeName:attributeFont1};
NSMutableAttributedString *attributeLeadString = [[NSMutableAttributedString alloc]
initWithString:leadString
attributes:attributeLeadColor];
NSDictionary *attributeAppendColor = @{NSForegroundColorAttributeName:appendColor,NSFontAttributeName:attributeFont2};
NSAttributedString *attributeAppendString = [[NSAttributedString alloc]
initWithString:appendString
attributes:attributeAppendColor];
[attributeLeadString appendAttributedString:attributeAppendString];
NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle alloc] init];
paragraphStyle.lineSpacing = lineSpacing; // 调整行间距
paragraphStyle.lineBreakMode = NSLineBreakByTruncatingTail;
NSRange range = NSMakeRange(0, [attributeLeadString length]);
[attributeLeadString addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:range];
return attributeLeadString;
}
}
//*** 获取字符宽度
+(float)widhForString:(NSString*)value fountSize:(float)fountsize{
return
[value boundingRectWithSize:CGSizeMake([UIScreen mainScreen].bounds.size.width, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fountsize]} context:nil].size.width;
}
//*** 获取字符高度
+(float)heightForString:(NSString*)value fountSize:(float)fountsize{
return [value boundingRectWithSize:CGSizeMake([UIScreen mainScreen].bounds.size.width, MAXFLOAT) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:[UIFont systemFontOfSize:fountsize]} context:nil].size.height;
}
//计算行数
+(CGFloat)getLineNum:(NSString*)str font:(UIFont*)font labelWidth:(CGFloat)width{
if (str.length<1)
{
return 0;
}
CGFloat oneRowHeight = [@"占位" sizeWithAttributes:@{NSFontAttributeName:font}].height;
CGSize textSize = [str boundingRectWithSize:CGSizeMake(width, CGFLOAT_MAX) options:NSStringDrawingUsesLineFragmentOrigin attributes:@{NSFontAttributeName:font} context:nil].size;
CGFloat rows = textSize.height / oneRowHeight;
return rows;
}
//切圆角
+ (void)cutRoundView:(UIView *)view{
CGFloat corner = CGRectGetWidth(view.frame) / 2;
CAShapeLayer *shapeLayer = [CAShapeLayer layer];
UIBezierPath *path = [UIBezierPath bezierPathWithRoundedRect:view.bounds byRoundingCorners:UIRectCornerAllCorners cornerRadii:CGSizeMake(corner, corner)];
shapeLayer.path = path.CGPath;
view.layer.mask = shapeLayer;
}
