If an error occurred, the user would be notified, but often after significant lag time due to server processing.
如果有错误发生，就会通知用户，但通常由于需要服务器处理，通知会在很长一段延迟之后才发出。
Workplace forms Designer allows you to add error checking to your forms, ensuring that the form is properly and completely filled out before the user submits it for further processing.
WorkplaceFormsDesigner允许在表单中添加错误检查，从而先确保表单已经正确且完整地填写了，然后用户才能提交它进行进一步处理。
Once the user submits this form, the script first checks whether one or more search keywords were entered, and halts script processing with an error message if it finds none.
当用户提交该表单后，脚本首先检查是否输入了一个或多个搜索关键字，如果一个也没有输入，则中断脚本处理并显示一条错误消息。
I prefer to use a controller, because I can use it to fire the model logic, then do some validation processing, and then route the user to an error-handling or result page as appropriate.
我更喜欢使用控制器，因为我可以使用它来触发模型逻辑，然后进行某种验证处理，接着将用户路由到一个相应的错误处理或结果页。
If our processing takes too long, it will be aborted and an error message sent to the user.
如果处理时间过长，则会终止该请求并向用户发送一条错误消息。
If our processing takes too long, it will be aborted and an error message sent to the user.
如果处理时间过长，则会终止该请求并向用户发送一条错误消息。
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