C# 實現list=list.OrderBy(q=>q.字段名).ToList(); 按多個字段排序
https://www.cnblogs.com/wangfuyou/p/6707852.html ...
倒序 list.OrderByDescending i gt i.a .ThenByDescending i gt i.b 順序 list.OrderBy i gt i.a .ThenBy i gt i.b ...
2017-04-14 11:13 0 25744 推薦指數:
https://www.cnblogs.com/wangfuyou/p/6707852.html ...
void Main() { var empList =new List<Employee> { new Employee {ID = 1, FName = "John", Age = 23, Sex = 'M'}, new Employee {ID ...
最近用java抓取數據的時候,遇到了需要對拿到的List集合按照多個字段進行排序。首先得讓排序的實體類實現Comparable類並且重寫它的compareTo方法,在compareTo中你可以自定義排序的規則。如果前者大於后者,則返回1,若果相等則返回0,若果前者小於后者 ...
剛開始這樣 改為 ...
List<ClassEntity> distinctClass = classEntities.stream().collect(Collectors.collectingAndThen(Collectors.toCollection(() -> new TreeSet< ...
List按某個字段排序 github_39325328 方式一: 需要jdk1.8 ...