Notice the syntax for creating an instance of HttpRequest.
注意创建HttpRequest的实例的语法。
Finally, after constructing the HttpRequest, you invoke its enqueue method.
最后，在构建好HttpRequest之后，调用其enqueue方法。
Place a HTTPRequest node that will invoke the sample backend RESTful service.
放置一个将调用样例后台REST 式服务的HTTPRequest节点。
In this case you are passing in two named parameters to the constructor of HttpRequest.
在本例中，您将两个命名参数传递给HttpRequest的构造函数。
The servlet can retrieve any value it needs from HttpRequest (either as a parameter or attribute).
servlet可以从HttpRequest检索到需要的任何值(以参数的形式或者以属性的形式)。
Notice that the HttpRequest is constructed with the clientInputStream property of the Client object.
注意，HttpRequest是用Client对象的clientInputStream属性构造的。
The servlet can retrieve any value(s) it needs from HttpRequest (either as a parameter or attribute).
servlet可以从HttpRequest检索到需要的任何值（以参数的形式或者以属性的形式）。
The HTTPRequest node has a configuration option to use keep alive connections, though it is supported only when you select HTTP 1.1.
HTTPRequest节点具有一个使用持活 (keep alive)连接的配置选项，虽然只有在您选择HTTP 1.1 时才支持该选项。
Thus, it would be nice to simply change XMLHttpRequest's name to something more accurate, like HttpRequest, or perhaps simply Request.
因此，如果将XMLHttpRequest改成某种更准确的名称可能更好一些，比如HttpRequest，或者简简单单的Request。
The compute node, named Convert, consists of a single module whose purpose is to configure the LocalEnvironment tree in order to control the behavior of the following HTTPRequest node.
计算节点名为Convert，包含单个模块，该模块用于配置localenvironment树，以控制后面的HTTPRequest节点的行为。
Since the target of the mapping node is an HTTPRequest node, it is necessary on the "select how the map will be used" panel to select the option to map properties, headers and message body.
由于Mapping节点的目标是一个HTTPRequest节点，因此有必要在“Selecthowthemapwillbeused”面板选择映射属性、Header和消息主体的选项。
Since the target of the mapping node is an HTTPRequest node, it is necessary on the "select how the map will be used" panel to select the option to map properties, headers and message body.
由于Mapping节点的目标是一个HTTPRequest节点，因此有必要在“Selecthowthemapwillbeused”面板选择映射属性、Header和消息主体的选项。
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