Salesforce 在developr控制台中调度apex类

我试图在开发人员控制台中使用ScheduleApex类来调度批处理apex类，但我无法调度它

这是我的密码：

schedulefieldupdtebatch sc = new schedulefieldupdtebatch();
System.schedule('Job1', '0 * * * * ?', new scjob());
System.schedule('Job2', '0 15 * * * ?', new scjob());

我得到的错误是

scjob类型无效

---

下面给出了System.schedule方法的签名，有关更多详细信息，请检查或

假设schedulefieldupdtebatch是一个SchedulableClass，您可以在开发人员控制台中执行下面的代码段

/*Apex code snippet*/ 

//Instantiate Schedulable batch Schedulefieldupdtebatch
Schedulefieldupdtebatch sc = new Schedulefieldupdtebatch();

//Set Scheduler time Oct 20 10:10 am PST
String schTime = '0 10 10 20 10 ?'; 

//This will execute Batch on coming Oct 20 10:10 a PST. Please check Scheduled job for more details  
System.schedule(’Schedule Dup Batch, schTime, sc); 

/*Apex code snippet*/

/*Apex code snippet*/ 

//Instantiate Schedulable batch Schedulefieldupdtebatch
Schedulefieldupdtebatch sc = new Schedulefieldupdtebatch();

//Set Scheduler time Oct 20 10:10 am PST
String schTime = '0 10 10 20 10 ?'; 

//This will execute Batch on coming Oct 20 10:10 a PST. Please check Scheduled job for more details  
System.schedule(’Schedule Dup Batch, schTime, sc); 

/*Apex code snippet*/