检查了AWS文档，但没有找到任何工作示例。这是我的尝试varparams={TableName:"User",IndexName:"a-b-index",KeyConditionExpression:"Country=:countryand#s=:status",FilterExpression:"IdIN(:e)",ExpressionAttributeValues:{":country":"USA",":status":1,":e":"1"},ExpressionAttributeNames:{"#s":"Status"}};//getusersdynamodb.query(par