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https://github.com/sky24n/common_utils
Dart common utils library. DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, RegexUtil, TextUtil, TimelineUtil, TimerUtil. 包含日期，正则，倒计时，时间轴等工具类。
https://github.com/sky24n/common_utils
dart dart-package dateutil endecodeutil flutter logutil moneyutil numutil objectutil regexutil textutil timelineutil timerutil
Last synced: 17 days ago
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Dart common utils library. DateUtil, EncryptUtil, JsonUtil, LogUtil, MoneyUtil, NumUtil, ObjectUtil, RegexUtil, TextUtil, TimelineUtil, TimerUtil. 包含日期，正则，倒计时，时间轴等工具类。
- Host: GitHub
- URL: https://github.com/sky24n/common_utils
- Owner: Sky24n
- License: bsd-2-clause
- Created: 2018-09-10T16:28:26.000Z (about 6 years ago)
- Default Branch: master
- Last Pushed: 2023-01-09T15:02:18.000Z (almost 2 years ago)
- Last Synced: 2024-10-08T22:25:08.106Z (27 days ago)
- Topics: dart, dart-package, dateutil, endecodeutil, flutter, logutil, moneyutil, numutil, objectutil, regexutil, textutil, timelineutil, timerutil
- Language: Dart
- Homepage:
- Size: 449 KB
- Stars: 1,415
- Watchers: 27
- Forks: 263
- Open Issues: 13
-
Metadata Files:
- Readme: README-EN.md
- Changelog: CHANGELOG.md
- Funding: .github/FUNDING.yml
- License: LICENSE
Awesome Lists containing this project
README
Language: English | [中文简体](https://github.com/Sky24n/common_utils)
[](https://pub.dartlang.org/packages/common_utils) [](https://pub.flutter-io.cn/packages/common_utils)
## common_utils is a Dart common utils library.
1、Dart project dependencies.
```yaml
dependencies:
common_utils: ^2.1.0
```
2、Dart project dependencies, [flustars][flustars_github] is a Flutter common utils library. More SpUtil, ScreenUtil, DirectoryUtil.
```yaml
dependencies:
flustars: ^2.0.1
```
Dart utils Library [common_utils][common_utils_github]
1. TimelineUtil : timeline util.
2. TimerUtil : countdown，timer.
3. MoneyUtil : fen to yuan, format output.
4. LogUtil : simply encapsulate print logs.
5. DateUtil : date conversion formatted output.
6. RegexUtil : regular verification of mobile phone numbers, ID cards, mailboxes and so on.
7. NumUtil : keep [x] decimal places, add subtract multiply divide without loosing precision.
8. ObjectUtil : object is empty, two List is equal.
9. EncryptUtil : xor, md5 ，Base64..
10. TextUtil : hide phoneNo.
11. JsonUtil : json to object.
Flutter utils Library [flustars][flustars_github]
1. SpUtil : SharedPreferences Util.
2. ScreenUtil : get screen width height density, appBarHeight, statusBarHeight, orientation.
3. WidgetUtil : get Widget width height，coordinates.
4. ImageUtil : get image size.
5. DirectoryUtil : Directory Util.
6. DioUtil : Dio Util(move to[DioUtil](https://github.com/Sky24n/FlutterRepos/blob/master/base_library/lib/src/data/net/dio_util.dart))。
### APIs
* SpUtil
SharedPreferences util.
```dart
/// await sp initialized。
await SpUtil.getInstance();
/// support default value.
String name = SpUtil.putString("key_username", "Sky24n");
bool isShow = SpUtil.getBool("key_show", defValue: true);
/// save object example.
City city = new City();
city.name = "成都市";
SpUtil.putObject("loc_city", city);
City hisCity = SpUtil.getObj("loc_city", (v) => City.fromJson(v));
print("City: " + (hisCity == null ? "null" : hisCit.toString()));
/// save object list example.
List list = new List();
list.add(new City(name: "成都市"));
list.add(new City(name: "北京市"));
SpUtil.putObjectList("loc_city_list", list);
List _cityList = SpUtil.getObjList("loc_city_list", (v) => City.fromJson(v));
print("City list: " + (_cityList == null ? "null" : _cityList.toString()));
```
* DateUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/date_page.dart)
```
/// common format。example："yyyy/MM/dd HH:mm:ss"，"yyyy/M/d HH:mm:ss"。
/// year -> yyyy/yy month -> MM/M day -> dd/d
/// hour -> HH/H minute -> mm/m second -> ss/s
class DataFormats {
static String full = "yyyy-MM-dd HH:mm:ss";
static String y_mo_d_h_m = "yyyy-MM-dd HH:mm";
static String y_mo_d = "yyyy-MM-dd";
static String y_mo = "yyyy-MM";
static String mo_d = "MM-dd";
static String mo_d_h_m = "MM-dd HH:mm";
static String h_m_s = "HH:mm:ss";
static String h_m = "HH:mm";
static String zh_full = "yyyy年MM月dd日 HH时mm分ss秒";
static String zh_y_mo_d_h_m = "yyyy年MM月dd日 HH时mm分";
static String zh_y_mo_d = "yyyy年MM月dd日";
static String zh_y_mo = "yyyy年MM月";
static String zh_mo_d = "MM月dd日";
static String zh_mo_d_h_m = "MM月dd日 HH时mm分";
static String zh_h_m_s = "HH时mm分ss秒";
static String zh_h_m = "HH时mm分";
}
getDateTimeByMs :
getDateMsByTimeStr :
getNowDateMs : get Now Date milliseconds.
getNowDateStr : get Now DateStr.(yyyy-MM-dd HH:mm:ss)
formatDate : format Date by DateTime.
formatDateStr : format Date by DateStr.
formatDateMs : format Date by milliseconds.
getWeekday : get weekDay.
getDayOfYear : get day of year.
isToday : is today.
isYesterday : is yesterday.
isWeek : is week.
yearIsEqual : whether it is leap year.
isLeapYear : year is equal.
// example
DateUtil.formatDateMs(dateMs, format: DateFormats.full); //2019-07-09 16:16:16
DateUtil.formatDateStr('2019-07-09 16:16:16', format: "yyyy/M/d HH:mm:ss"); //2019/7/9 16:16:16
DateUtil.formatDate(DateTime.now(), format: DateFormats.zh_full); //2019年07月09日 16时16分16秒
```
* EncryptUtil
```
encodeMd5 : md5.
encodeBase64 : Base64 encode.
decodeBase64() : Base64 decode.
xorCode() : xor.
xorBase64Encode() : xor Base64 encode.
xorBase64Decode() : xor Base64 decode.
const String key = '11, 22, 33, 44, 55, 66';
String userName = 'Sky24n';
String encode = EncryptUtil.xorBase64Encode(userName, key); // WH1YHgMs
String decode = EncryptUtil.xorBase64Decode(encode, key); // Sky24n
```
* JsonUtil
```
encodeObj : Obj to json string.
getObj : json string to object.
getObject : json string / map to object.
getObjList : json string list to object list.
getObjectList : json string / map list to object list.
String objStr = "{\"name\":\"成都市\"}";
City hisCity = JsonUtil.getObj(objStr, (v) => City.fromJson(v));
String listStr = "[{\"name\":\"成都市\"}, {\"name\":\"北京市\"}]";
List cityList = JsonUtil.getObjList(listStr, (v) => City.fromJson(v));
```
* LogUtil
```
init(tag, isDebug, maxLen) : tag, isDebug, maxLen.
e(object, tag) : Log e.
v(object, tag) : Log v,debug output.
//超长log查看
common_utils e — — — — — — — — — — — — — — — — st — — — — — — — — — — — — — — — —
common_utils e | 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,
common_utils e | 7,988,989,990,991,992,993,994,995,996,997,998,999,
common_utils e — — — — — — — — — — — — — — — — ed — — — — — — — — — — — — — — — —
```
* MoneyUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/money_page.dart)
```
changeF2Y : fen to yuan, format output.
changeFStr2YWithUnit : fen str to yuan, format & unit output.
changeF2YWithUnit : fen to yuan, format & unit output.
changeYWithUnit : yuan, format & unit output.(yuan is int,double,str).
changeY2F : fen to yuan.
```
* NumUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/num_util_page.dart)
```
getIntByValueStr : get int By value string.
getDoubleByValueStr : get double By value string.
getNumByValueStr : Keep [x] decimal places by value string.
getNumByValueDouble : Keep [x] decimal places by double.
isZero : is Zero.
add : add (without loosing precision).
subtract : subtract (without loosing precision).
multiply : multiply (without loosing precision).
divide : divide (without loosing precision).
remainder : 余.
lessThan : < .
thanOrEqual : <= .
greaterThan : > .
greaterOrEqual : >= .
```
* ObjectUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/object_util_page.dart)
```
isEmptyString : String is empty.
isEmptyList : List is empty.
isEmptyMap : Map Map empty.
isEmpty : Object is empty.(String List Map).
isNotEmpty : Object is not empty.(String List Map).
twoListIsEqual : Two List Is Equal.
```
* RegexUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/regex_page.dart)
```
isMobileSimple :
isMobileExact :
isTel :
isIDCard :
isIDCard15 :
isIDCard18 :
isIDCard18Exact :
isEmail :
isURL :
isZh :
isDate :
isIP :
isUserName :
isQQ :
```
* TextUtil
```
isEmpty : isEmpty.
formatSpace4 : format Space 4.
formatComma3 : format Comma 3.
formatDoubleComma3 : format Double Comma3.
hideNumber : hide number.
replace : replace.
split : split.
reverse : reverse.
/// example
String phoneNo = TextUtil.formatSpace4("15845678910"); // 1584 5678 910
String num = TextUtil.formatComma3("1234"); // 123,4
String phoneNo = TextUtil.hideNumber("15845678910")// 158****8910
```
* TimelineUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/timeline_page.dart)
```
///(xx)Configurable output.
enum DayFormat {
///(less than 30s->just now)、x minutes、x hours、(Yesterday)、x days.
Simple,
///(less than 30s->just now)、x minutes、x hours、[This year:(Yesterday/a day ago)、(two days age)、MM-dd ]、[past years: yyyy-MM-dd]
Common,
///(less than 30s->just now)、x minutes、x hours、[This year:(Yesterday HH:mm/a day ago)、(two days age)、MM-dd HH:mm]、[past years: yyyy-MM-dd HH:mm]
Full,
}
///Timeline information configuration.
abstract class TimelineInfo {
String suffixAgo(); //suffix ago(后缀 后).
String suffixAfter(); //suffix after(后缀 前).
int maxJustNowSecond() => 30; // max just now second.
String lessThanOneMinute() => ''; //just now(刚刚).
String customYesterday() => ''; //Yesterday(昨天).优先级高于keepOneDay
bool keepOneDay(); //保持1天,example: true -> 1天前, false -> MM-dd.
bool keepTwoDays(); //保持2天,example: true -> 2天前, false -> MM-dd.
String oneMinute(int minutes); //a minute(1分钟).
String minutes(int minutes); //x minutes(x分钟).
String anHour(int hours); //an hour(1小时).
String hours(int hours); //x hours(x小时).
String oneDay(int days); //a day(1天).
String days(int days); //x days(x天).
}
setLocaleInfo : add custom configuration.
formatByDateTime : timeline format output by DateTime .
format : timeline format output.
formatA : timeline format output. like QQ.
```
* TimerUtil -> [Example](https://github.com/Sky24n/flutter_wanandroid/blob/master/lib/demos/timer_page.dart)
```
setInterval : set Timer interval.
setTotalTime : set countdown totalTime.
startTimer() : start Timer.
startCountDown : start countdown Timer.
updateTotalTime : update countdown totalTime.
cancel : cancels the timer.
setOnTimerTickCallback : set timer callback.
isActive : timer is Active.
```
### [Flutter Demos](https://github.com/Sky24n/flutter_wanandroid/tree/master/lib/demos)
>- |--demos
> - |-- city_select_page.dart
> - |-- date_page.dart
> - |-- image_size_page.dart
> - |-- money_page.dart
> - |-- pinyin_page.dart
> - |-- regex_page.dart
> - |-- round_portrait_page.dart
> - |-- timeline_page.dart
> - |-- timer_page.dart
> - |-- widget_page.dart
### Demo Apk : [flutter_wanandroid](https://github.com/Sky24n/Doc)
### Thanks
Blankj [AndroidUtilCode](https://github.com/Blankj/AndroidUtilCode)。
Andres Araujo [timeago](https://github.com/andresaraujo/timeago.dart)。
a14n [decimal](https://github.com/a14n/dart-decimal)。
### Apps
[flutter_wanandroid](https://github.com/Sky24n/flutter_wanandroid)
[Moss App](https://github.com/Sky24n/Moss)
### [Change Log](CHANGELOG.md)
v1.2.1 (2020.05.29)
1、fix DataFormats -> DateFormats。
2、fix TimelineInfo bugs。
[flustars_github]: https://github.com/Sky24n/flustars
[common_utils_github]: https://github.com/Sky24n/common_utils