如何设定任务计划

设定任务计划

我们经常需要设定一些后台的程序自动跑。

在py文件里头先写如下的测试代码：

def cron():
    print('start')
    letters = string.ascii_letters
    invoice_number = " ".join(random.choice(letters) for i in range(20))
    new_invoice = frappe.get_doc({"doctype": "Invoice Check",
        "invoice_number" : invoice_number
    })

    new_invoice.insert()
    frappe.db.commit()
    print('end')

在hook.py 里头设定计划：

scheduler_events = {
    "cron": {
        "* * * * *":[
            "erpnextcn.utils.GetMail.cron"
        ]
    }   
    # "all": [
    #   "erpnextcn.tasks.all"
    # ],
    # "daily": [
    #   "erpnextcn.tasks.daily"
    # ],
    # "hourly": [
    #   "erpnextcn.tasks.hourly"
    # ],
    # "weekly": [
    #   "erpnextcn.tasks.weekly"
    # ],
    # "monthly": [
    #   "erpnextcn.tasks.monthly"
    # ],
}

执行如下命令：
```
bench migrate
```
在开发 -》系统日志 -》任务计划日志查看

附注：

1，如果要设置每5分钟运行一次：

*    *    *    *    *
-    -    -    -    -
|    |    |    |    |
|    |    |    |    +----- day of the week (0 - 6) (Sunday=0)
|    |    |    +---------- month (1 - 12)
|    |    +--------------- day of the month (1 - 31)
|    +-------------------- hour (0 - 23)
+------------------------- min (0 - 59)

则设置为：

scheduler_events = {
    "cron": {
        "*/5 * * * *":[
            "erpnextcn.utils.GetMail.get_mail"
        ]
    }  
}

设定任务计划​

设定任务计划