oc-日历设置为周一开始。

代码：

 //设置为：周一开始 --20241231
        NSArray* weekArr=@[@"周一",@"周二",@"周三",@"周四",@"周五",@"周六",@"周日"];

 

//设置为：周一开始 --20241231
    //从周日开始为1,2,3,4,5,6,7
    if(firstDayOfMonth.weekday!=2){
        NSInteger weekGap=firstDayOfMonth.weekday-2;
        if(weekGap<0) weekGap+=7;
        NSDate* firstDate=[fdate dateByAddingTimeInterval:-WHUCALENDAR_SECOND_PER_DAY*weekGap];
        NSDateComponents* firstComponent=[self componentOfDate:firstDate];
        for(int i=0;i<weekGap;i++){
            WHUCalendarItem* item=[[WHUCalendarItem alloc] init];
            item.dateStr=[NSString stringWithFormat:@"%ld-%02ld-%02ld",(long)firstComponent.year,(long)firstComponent.month,(long)firstComponent.day];
            item.day=-(firstComponent.day);
            [self LunarForSolarYear:item andComponent:firstComponent];
            firstComponent.day++;
            [dateArr addObject:item];
        }
    }

　　

done