Finally, check to see if the request made was a form post or a file upload, in which case you output the data as a valid HTML page with the JSON-encoded output contained in a HTML element.
最后，查看请求是一个表单post还是文件上传，在这种情况下，输出数据作为一个有效的html页面，该页面的元素中含有json格式编码的输出。
Click Add Output. As with the previous step, rename the variable to RequestOuput and select the Request data type.
单击 Add Output，和之前步骤一样，变量重命名为 RequestOuput 并选择 Request data type。
According to input, the output request has carried on the design to the control system hardware, including data acquisition, man-machine channel design.
根据输入、输出的要求对控制系统的硬件进行设计，包括数据采集、人机通道的设计。
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