• 将从mysql数据库查询的信息,遍历到List<>以及一些随机数的生成


    将从mysql数据库查询的信息,遍历到List<>以及一些随机数的生成。

    代码比较乱,但是方法还是对的,大家又需要的选择看,希望对博友 有帮助,欢迎留言分享!

    public class subject { public string sub { get; set; } }
    //public class QueryCategory {
    // subject s = new subject();
    // string m = s.sub;
    // string Sql = "select Category from httang_test.hxwang_office where Subject = '" + m.ToString()+"";
    // DataTable dt1 = MySqlDBHelper.QueryDataTable(Sql);
    //}
    static List<Task> GenerateTasks()
    {
    // List<string> ShoppingTasks = new List<string>();
    // List<string> OfficeTasks = new List<string>();

    List<string> HouseTasks = new List<string>();
    TaskInfoControl t = new TaskInfoControl();
    DataTable dt = t.QuerySubject();
    foreach (DataRow item in dt.Rows)//循环取出ds.table中的值
    {
    subject s = new subject(); // 实例化subject对象
    try
    {
    s.sub = Convert.ToString(item["Subject"]);//将表中Subject这列值给s.sub
    }
    catch (Exception e)
    {
    throw e;
    }
    HouseTasks.Add(s.sub); // 将取出的对象保存在LIST中 以上是获得值。
    // ShoppingTasks.Add(s.sub);
    // OfficeTasks.Add(s.sub);
    }

    string ts = null;
    for (int i = 0; i < HouseTasks.Count; i++)
    {
    string m = HouseTasks[i];
    TaskInfoControl tic = new TaskInfoControl();
    DataTable hc = tic.QueryCaregory(m);
    ts = Convert.ToString(hc); //将DataTable转换成string
    }
    //将string 转换成枚举类型
    // var enu = Enum.Parse(typeof(int), ts);

    // 前面那列数据
    List<Task> ret = new List<Task>();
    foreach (string s in HouseTasks)//遍历数组
    ret.Add(TaskGenerator.CreateTask(s, TaskCategory.HouseChores));
    return ret;
    }
    //for (int i = 0; i < TaskGenerator.CustomerCount; i++)
    // foreach (string s in OfficeTasks)
    // ret.Add(TaskGenerator.CreateTask(s, TaskCategory.Office));
    // foreach (string s in ShoppingTasks)
    // ret.Add(TaskGenerator.CreateTask(s, TaskCategory.Shopping));

    //for (int i = 0; i<dt.Rows.Count; i++) //循环取出ds.table中的值
    //{
    // subject s = new subject(); // 实例化student对象
    // s.sub = Convert.ToString(dt);
    // HouseTasks.Add(s.sub);
    // ShoppingTasks.Add(s.sub);
    // OfficeTasks.Add(s.sub); // 将取出的对象保存在LIST中 以上是获得值。
    //}
    internal class TaskGenerator
    {
    public static int CustomerCount = 10;
    //随机数
    static Random rndGenerator = new Random();
    public static Task CreateTask(string subject, TaskCategory category)
    {
    Task task = new Task(subject, category, DateTime.Now.AddHours(-rndGenerator.Next(96)));
    int rndStatus = rndGenerator.Next(10);
    //TotalHours表示总小数时
    if (task.TimeDiff.TotalHours > 12)
    {
    if (task.TimeDiff.TotalHours > 80)
    {
    task.Status = TaskStatus.Completed;
    }
    else
    {
    //随机生成一个百分比放入进度条
    task.Status = TaskStatus.InProgress;
    task.PercentComplete = rndGenerator.Next(9) * 10;
    }
    //随机生成日期
    task.StartDate = task.CreatedDate.AddMinutes(rndGenerator.Next(720)).Date;
    }
    if (rndStatus != 5)
    task.DueDate = task.CreatedDate.AddHours((90 - rndStatus * 9) + 24).Date;
    if (rndStatus > 8)
    task.Priority = 2;
    if (rndStatus < 3)
    task.Priority = 0;
    if (rndStatus == 6 && task.Status == TaskStatus.InProgress)
    task.Status = TaskStatus.Deferred;
    if (rndStatus == 4 && task.Status == TaskStatus.InProgress && task.PercentComplete < 40)
    task.Status = TaskStatus.WaitingOnSomeoneElse;
    if (task.Status == TaskStatus.Completed)
    {
    if (!task.StartDate.HasValue)
    task.StartDate = task.CreatedDate.AddHours(12).Date;
    task.CompletedDate = task.StartDate.Value.AddHours(rndGenerator.Next(48) + 24);
    }
    return task;
    }

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  • 原文地址:https://www.cnblogs.com/wanghx-0713/p/7878759.html
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