工作中需要做个每天定时发邮件的功能，了解之后知道java里有做定时任务比较容易的方法，就是Quartz，在C#里叫Quartz.Net。
在写代码之前需要引用几个dll文件，分别是C5.dll、Common.Logging.dll和Quartz.dll；还有一个QuartzManager.cs文件，直接复制到项目中
QuartzManager.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; using Quartz;
using Quartz.Impl;
using Quartz.Impl.Triggers; namespace Quartz
{
public static class QuartzManager
{
private static ISchedulerFactory sf = null;
private static IScheduler sched = null; static QuartzManager()
{
sf = new StdSchedulerFactory();
sched = sf.GetScheduler();
sched.Start();
} /// <summary>
/// 添加Job 并且以定点的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="CronTime"></param>
/// <param name="jobDataMap"></param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, string CronTime, string jobData) where T : IJob
{
IJobDetail jobCheck = JobBuilder.Create<T>().WithIdentity(JobName, JobName + "_Group").UsingJobData("jobData", jobData).Build();
ICronTrigger CronTrigger = new CronTriggerImpl(JobName + "_CronTrigger", JobName + "_TriggerGroup", CronTime);
return sched.ScheduleJob(jobCheck, CronTrigger);
} /// <summary>
/// 添加Job 并且以定点的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="CronTime"></param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, string CronTime) where T : IJob
{
return AddJob<T>(JobName, CronTime, null);
} /// <summary>
/// 添加Job 并且以周期的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="SimpleTime">毫秒数</param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, int SimpleTime) where T : IJob
{
return AddJob<T>(JobName, DateTime.UtcNow.AddMilliseconds(), TimeSpan.FromMilliseconds(SimpleTime));
} /// <summary>
/// 添加Job 并且以周期的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="SimpleTime">毫秒数</param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, DateTimeOffset StartTime, int SimpleTime) where T : IJob
{
return AddJob<T>(JobName, StartTime, TimeSpan.FromMilliseconds(SimpleTime));
} /// <summary>
/// 添加Job 并且以周期的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="SimpleTime"></param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, DateTimeOffset StartTime, TimeSpan SimpleTime) where T : IJob
{
return AddJob<T>(JobName, StartTime, SimpleTime, new Dictionary<string, object>());
} /// <summary>
/// 添加Job 并且以周期的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="StartTime"></param>
/// <param name="SimpleTime">毫秒数</param>
/// <param name="jobDataMap"></param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, DateTimeOffset StartTime, int SimpleTime, string MapKey, object MapValue) where T : IJob
{
Dictionary<string, object> map = new Dictionary<string, object>();
map.Add(MapKey, MapValue);
return AddJob<T>(JobName, StartTime, TimeSpan.FromMilliseconds(SimpleTime), map);
} /// <summary>
/// 添加Job 并且以周期的形式运行
/// </summary>
/// <typeparam name="T"></typeparam>
/// <param name="JobName"></param>
/// <param name="StartTime"></param>
/// <param name="SimpleTime"></param>
/// <param name="jobDataMap"></param>
/// <returns></returns>
public static DateTimeOffset AddJob<T>(string JobName, DateTimeOffset StartTime, TimeSpan SimpleTime, Dictionary<string, object> map) where T : IJob
{
IJobDetail jobCheck = JobBuilder.Create<T>().WithIdentity(JobName, JobName + "_Group").Build();
jobCheck.JobDataMap.PutAll(map);
ISimpleTrigger triggerCheck = new SimpleTriggerImpl(JobName + "_SimpleTrigger", JobName + "_TriggerGroup",
StartTime,
null,
SimpleTriggerImpl.RepeatIndefinitely,
SimpleTime);
return sched.ScheduleJob(jobCheck, triggerCheck);
} /// <summary>
/// 修改触发器时间,需要job名,以及修改结果
/// CronTriggerImpl类型触发器
/// </summary>
public static void UpdateTime(string jobName, string CronTime)
{
TriggerKey TKey = new TriggerKey(jobName + "_CronTrigger", jobName + "_TriggerGroup");
CronTriggerImpl cti = sched.GetTrigger(TKey) as CronTriggerImpl;
cti.CronExpression = new CronExpression(CronTime);
sched.RescheduleJob(TKey, cti);
} /// <summary>
/// 修改触发器时间,需要job名,以及修改结果
/// SimpleTriggerImpl类型触发器
/// </summary>
/// <param name="jobName"></param>
/// <param name="SimpleTime">分钟数</param>
public static void UpdateTime(string jobName, int SimpleTime)
{
UpdateTime(jobName, TimeSpan.FromMinutes(SimpleTime));
} /// <summary>
/// 修改触发器时间,需要job名,以及修改结果
/// SimpleTriggerImpl类型触发器
/// </summary>
public static void UpdateTime(string jobName, TimeSpan SimpleTime)
{
TriggerKey TKey = new TriggerKey(jobName + "_SimpleTrigger", jobName + "_TriggerGroup");
SimpleTriggerImpl sti = sched.GetTrigger(TKey) as SimpleTriggerImpl;
sti.RepeatInterval = SimpleTime;
sched.RescheduleJob(TKey, sti);
} /// <summary>
/// 暂停所有Job
/// 暂停功能Quartz提供有很多,以后可扩充
/// </summary>
public static void PauseAll()
{
sched.PauseAll();
} /// <summary>
/// 恢复所有Job
/// 恢复功能Quartz提供有很多,以后可扩充
/// </summary>
public static void ResumeAll()
{
sched.ResumeAll();
} /// <summary>
/// 删除Job
/// 删除功能Quartz提供有很多,以后可扩充
/// </summary>
/// <param name="JobName"></param>
public static void DeleteJob(string JobName)
{
JobKey jk = new JobKey(JobName, JobName + "_Group");
sched.DeleteJob(jk);
} /// <summary>
/// 卸载定时器
/// </summary>
/// <param name="waitForJobsToComplete">是否等待job执行完成</param>
public static void Shutdown(bool waitForJobsToComplete)
{
sched.Shutdown(waitForJobsToComplete);
}
}
}
窗体界面上只有一个Button按钮，点击之后将当前Windows窗体关闭，而我的定时任务就是实现这个关闭。
.closeForm（）；关闭窗体方法在另写的一个stopjob.cs类文件调用 这个类需要继承IJob
using Quartz;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text; namespace winform状态栏
{
[PersistJobDataAfterExecution]
[DisallowConcurrentExecution]
public class stopjob : IJob
{
public void Execute(IJobExecutionContext context)
{
Program.form.closeForm();
}
}
}
上面代码中，Program.form并不是开始创建的那个窗体，而是在Program类文件中创建的静态Form。为什么另创建一个静态Form？涉及到子线程关闭主线程问题
using System;
using System.Collections.Generic;
using System.Linq;
using System.Windows.Forms; namespace winform状态栏
{
static class Program
{ public static Form1 form;
/// <summary>
/// 应用程序的主入口点。
/// </summary>
[STAThread]
static void Main()
{
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
form = new Form1();
Application.Run(form);
}
}
}
Form.cs文件里引用Quartz（using Quartz;）
然后是关闭按钮（Button）的事件
using Quartz;
using System;
using System.Text.RegularExpressions;
using System.Windows.Forms; namespace winform状态栏
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
private void button_close(object sender, EventArgs e)
{
//cron表达式 参考 http://www.cnblogs.com/sunjie9606/archive/2012/03/15/2397626.html
QuartzManager.AddJob<stopjob>("每隔5秒", "*/5 * * * * ?");//每隔5秒执行一次这个方法
} private delegate void CloseForm();//设计到多线程，子线程去控制主线程的控件，InvokeRequired值为true，用到定义委托，使得这个控制行为成为主线程的行为 public void closeForm()
{
if (this.InvokeRequired)
{
this.BeginInvoke(new CloseForm(closeForm));
}
else
{
this.Close();
}
}
}
}
关于执行stopjob的时间，我这里是用的每隔5秒执行一次，具体的解释在另一位博主那里有介绍
http://www.cnblogs.com/sunjie9606/archive/2012/03/15/2397626.html
其中C5.dll、Common.Logging.dll、Quartz.dll文件的链接http://pan.baidu.com/s/1hsBn1Bm（如果失效联系博主）
我学习Quartz.Net时用的是winform，大家可以试试别的，这样关于线程的问题应该就可以避免，这也是我没有想到的问题