list泛型自定义排序示例

复制代码 代码如下:

static void Main(string[] args)
{

    Employee employee = new Employee();
    //设置初始值
    List<Employee> employeeList = new List<Employee>();
    employeeList.Add(new Employee() { EmpId = "001", EmpName = "Tony" });
    employeeList.Add(new Employee() { EmpId = "002", EmpName = "Mack" });
    employeeList.Add(new Employee() { EmpId = "003", EmpName = "Jon" });
    employeeList.Add(new Employee() { EmpId = "004", EmpName = "Dawei" });
    employeeList.Add(new Employee() { EmpId = "005", EmpName = "Jack" });
    employeeList.Add(new Employee() { EmpId = "006", EmpName = "Abby" });
    employeeList.Add(new Employee() { EmpId = "007", EmpName = "Carrie" });
    //指定置前排序元素
    List<Employee> toSortList = new List<Employee>();
    toSortList.Add(new Employee() { EmpId = "003", EmpName = "Jon" });
    toSortList.Add(new Employee() { EmpId = "005", EmpName = "Jack" });
    toSortList.Add(new Employee() { EmpId = "007", EmpName = "Carrie" });
    //自定义 排序委托
    employeeList.Sort((Employee x, Employee y) => (toSortList.Count(e => e.EmpId == y.EmpId) - toSortList.Count(e => e.EmpId == x.EmpId)));
}

public class Employee
{
    public string EmpId
    {
        get;
        set;
    }

    public string EmpName
    {
        get;
        set;
    }
}

经过排序后将原本list中按001，002,003，排列的元素排序为003,005,007,001,002,004.。。。将指定的003,005,007，排列在List最前

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