根据数字对应星期几

本文介绍了使用 Objective-C 进行字符串中特定数字字符到中文星期名称的转换方法。通过两个示例展示了如何针对单一数字及包含多个数字的字符串进行转换。

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第一种:

NSString *week  = @“2”

NSString *Weekday =  [self passWeek:week];

 

+ (NSString *)passWeek:(NSString *)week {

    if ([week containsString:@"1"]) {

        week = [week stringByReplacingOccurrencesOfString: @"1" withString:@"周一"];

    }    else if ([week containsString:@"2"]) {

        week = [week stringByReplacingOccurrencesOfString:@"2" withString:@"周二"];

    }  else  if ([week containsString:@"3"]) {

        week = [week stringByReplacingOccurrencesOfString:@"3" withString:@"周三"];

    }   else  if ([week containsString:@"4"]) {

        week = [week stringByReplacingOccurrencesOfString:@"4" withString:@"周四"];

    }  else if ([week containsString:@"5"]) {

        week = [week stringByReplacingOccurrencesOfString:@"5" withString:@"周五"];

    }   else  if ([week containsString:@"6"]) {

        week = [week stringByReplacingOccurrencesOfString:@"6" withString:@"周六"];

    }   else if ([week containsString:@"7"]) {

        week = [week stringByReplacingOccurrencesOfString:@"7" withString:@"周日"];

    }

    return week;

}

 

第二种:

NSString *week  = @“2,3,4”

NSString *Weekday =  [self passWeek:week];

 

+ (NSString *)passWeek:(NSString *)week {

    if ([week containsString:@"1"]) {

        week = [week stringByReplacingOccurrencesOfString: @"1" withString:@"周一"];

    }  

   if ([week containsString:@"2"]) {

        week = [week stringByReplacingOccurrencesOfString:@"2" withString:@"周二"];

    }

   if ([week containsString:@"3"]) {

        week = [week stringByReplacingOccurrencesOfString:@"3" withString:@"周三"];

    }  

   if ([week containsString:@"4"]) {

        week = [week stringByReplacingOccurrencesOfString:@"4" withString:@"周四"];

    }

   if ([week containsString:@"5"]) {

        week = [week stringByReplacingOccurrencesOfString:@"5" withString:@"周五"];

    }  

    if ([week containsString:@"6"]) {

        week = [week stringByReplacingOccurrencesOfString:@"6" withString:@"周六"];

    }  

    if ([week containsString:@"7"]) {

        week = [week stringByReplacingOccurrencesOfString:@"7" withString:@"周日"];

    }

    return week;

}

转载于:https://www.cnblogs.com/chenzq12/p/6213676.html

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