查看DataLoaderlibrary，它是如何缓存和批处理请求的？指令以下列方式指定用法:varDataLoader=require('dataloader')varuserLoader=newDataLoader(keys=>myBatchGetUsers(keys));userLoader.load(1).then(user=>userLoader.load(user.invitedByID)).then(invitedBy=>console.log(`User1wasinvitedby${invitedBy}`));//Elsewhereinyourapplicationuse