创建任务计划

该脚本用来创建一次性和循环任务计划

#定义ERP升级检查任务计划的名称、启动时间、启动日期、运行任务计划的账户和密码、启动脚本路径
$TaskName = "2MyTask"
$Task_Starttime = "22:13"
$Task_StartDate = "2015/01/01"
$ScriptPath = "d:abc.ps1"
$UserName = "administrator"
$UserPass = "pass"
#PowerShell脚本要通过调用PowerShell.exe执行
$TaskScriptPath = "C:WINDOWSsystem32WindowsPowerShellv1.0powershell.exe " + $ScriptPath

#定义函数TaskSch_Once，创建一次性任务计划
Function TaskSch_Once($TaskName,$UserName,$UserPass,$Task_Starttime,$Task_StartDate,$TaskScriptPath)    
   {
    #如果该任务计划已存在，则先删除再新建，一次性任务计划不能够被直接修改
    $Taskq = cmd /c "chcp 437 >null && schtasks /query" |select-string $TaskName -Encoding default -quiet
    If ($Taskq -eq "true")
      {
       $Null = schtasks.exe /delete /tn $TaskName /f
       $Null = schtasks.exe /create /tn $TaskName /sc once /ru $UserName /rp $UserPass /st $Task_Starttime /sd $Task_StartDate /tr $TaskScriptPath
      }
     Else {$Null = schtasks.exe /create /tn $TaskName /sc once /ru $UserName /rp $UserPass /st $Task_Starttime /sd $Task_StartDate /tr $TaskScriptPath}
     $result = cmd /c "chcp 437 >null && schtasks /query" |select-string $TaskName -Encoding default
     If ($result -ne $null)
         {$result.Line}
     Else {
           Write-Host "$TaskName Task Created Failed" -ForegroundColor Red
          }    
    }                

#定义函数TaskSch_Cycle，定义循环任务计划
Function TaskSch_Cycle($TaskName,$UserName,$UserPass,$Task_Starttime,$Task_StartDate,$TaskScriptPath) 
    {
     #如果该任务计划已存在，则直接进行直接修改，否则将创建新的任务计划
     $Taskq = cmd /c "chcp 437 >null && schtasks /query" |select-string $TaskName  -Encoding default -quiet
     If ($Taskq -eq "true")
      {$Null = schtasks.exe /change /tn $TaskName /ru $UserName /rp $UserPass /Enable}
     Else {$Null = schtasks.exe /create /tn $TaskName /sc minute /mo 1 /ru $UserName /rp $UserPass /st $Task_Starttime /sd $Task_StartDate /tr $TaskScriptPath}
     $result = cmd /c "chcp 437 >null && schtasks /query" |select-string $TaskName  -Encoding default
     If ($result -ne $null)
         {$result.Line}
     Else {
           Write-Host "$TaskName Task Created Failed" -ForegroundColor Red
          }   
    } 

#创建一次性任务计划    
#TaskSch_Once $TaskName $UserName $UserPass $Task_Starttime $Task_StartDate $TaskScriptPath  

#创建循环任务计划    
TaskSch_Cycle $TaskName $UserName $UserPass $Task_Starttime $Task_StartDate $TaskScriptPath 

#创建可见任务计划，每月15号4:00运行一次

$TaskName = "log_bak"
$UserName = "administrator"
$UserPass = "password"
$Task_Starttime = "04:00"
$Task_StartDate = "2015/09/01"
$TaskScriptPath = "Powershell.exe E:OperationsScriptslogbak.ps1"
schtasks.exe /create /tn $TaskName /sc monthly /d 15 /ru $UserName /rp $UserPass /st $Task_Starttime /sd $Task_StartDate /tr $TaskScriptPath /v1

#创建任务计划，每分钟运行一次

$TaskWatchName = "rsync-task"
$UserName = "administrator"
$UserPass = "n"
$TaskWatchtime = "00:01"
$TaskWatchDate  = "2015/12/01"
$TaskWatchScriptPath = "powershell.exe D:\Scripts
sync-task.ps1"
schtasks /create /tn $TaskWatchName /sc minute /mo 1 /ru $UserName /rp $UserPass /st $TaskWatchtime /sd $TaskWatchDate /tr $TaskWatchScriptPath

#创建可见任务计划，在系统启动时自动运行

$TaskName = "taskname"
$UserName = "administrator"
$UserPass = "password"
$TaskScriptPath = "D:startup.bat"
schtasks.exe /create /tn $TaskName /sc onlogon /ru $UserName /rp $UserPass  /tr $TaskScriptPath /v1

参考：

常规月计划语法

schtasks /create /tn TaskName /tr TaskRun /sc monthly [/mo {FIRST | SECOND | THIRD | FOURTH | LAST | LASTDAY] [/d {MON - SUN | 1 - 31}] [/m {JAN - DEC[,JAN - DEC...] | *}] [/st StartTime] [/sd StartDate] [/ed EndDate] [/s computer [/u [domain]user /ppassword]] [/ru {[Domain]User | "System"} [/rp Password]]

指定周的语法

schtasks /create /tn TaskName /tr TaskRun /sc monthly /mo {FIRST | SECOND | THIRD | FOURTH | LAST} /d {MON - SUN} [/m {JAN - DEC[,JAN - DEC...] | *}] [/st StartTime] [/sd StartDate] [/ed EndDate] [/s computer [/u [domain]user /p password]] [/ru{[Domain]User | "System"} [/rp Password]]

Lastday 语法

schtasks /create /tn TaskName /tr TaskRun /sc monthly /mo LASTDAY /m {JAN - DEC[,JAN - DEC...] | *} [/st StartTime] [/sd StartDate] [/ed EndDate] [/s computer [/u [domain]user /p password]] [/ru {[Domain]User | "System"} [/rp Password]]

指定日期的语法

schtasks /create /tn TaskName /tr TaskRun /sc monthly /d {1 - 31} [/m {JAN - DEC[,JAN - DEC...] | *}] [/st StartTime] [/sd StartDate] [/ed EndDate] [/s computer [/u [domain]user /p password]] [/ru {[Domain]User | "System"} [/rp Password]]

 from：http://www.cnblogs.com/lostyue/archive/2011/10/24/2223166.html