回答編集履歴
1
出力設定追加
test
CHANGED
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@@ -38,4 +38,52 @@
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38
38
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39
39
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var yesterday = NSCalendar.currentCalendar().dateByAddingUnit(.Day, value: -1, toDate: currentDate, options: NSCalendarOptions.init(rawValue: 0))
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40
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41
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42
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43
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// 追記
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44
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45
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// 昨日の曜日取得 日曜日:1, 土曜日:7
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46
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47
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let weekdayComponents = NSCalendar.currentCalendar().components([NSCalendarUnit.Weekday], fromDate: yesterday!)
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48
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49
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let weekday: Int = weekdayComponents.weekday
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50
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51
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52
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53
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// 出力用書式設定
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54
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55
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let outputFormatter = NSDateFormatter()
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56
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57
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outputFormatter.locale = NSLocale(localeIdentifier: "ja")
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58
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59
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60
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61
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// outputFormatter.shortWeekdaySymbols
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62
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63
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// ["日", "月", "火", "水", "木", "金", "土"]
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64
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65
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// 日曜日:0, 土曜日:6
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66
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67
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let weekdaySymbolsIndex = weekday - 1;
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68
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69
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outputFormatter.dateFormat = "yyyy年MM月dd日(\(outputFormatter.shortWeekdaySymbols[weekdaySymbolsIndex]))"
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70
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71
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72
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73
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// "2015年12月08日(火)\n"
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74
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75
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print(outputFormatter.stringFromDate(yesterday!))
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76
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77
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78
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79
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// おまけ "2015年12月8日火曜日\n"
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80
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81
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// weekdaySymbolsIndex と outputFormatter.dateFormat は不要で一気に出力できる
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82
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83
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outputFormatter.timeStyle = .NoStyle
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84
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85
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outputFormatter.dateStyle = .FullStyle
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86
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87
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print(outputFormatter.stringFromDate(yesterday!))
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88
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```
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