As shown in Figure 8, you can optionally author these expressions using the XPath expression builder provided with the Message Broker toolkit.

如图8所示，您也可以选择使用Message Broker工具包中提供的XPath表达式生成器编写这些表达式。

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It has two other internal variables, a currentMessage for a Message instance that is being parsed, and a StringBuilder variable called builder that stores character data from text nodes.

它有另外两个内部变量，currentMessage 针对被解析的Message实例，以及名称为builder 的StringBuilder变量，用于存储文本节点中的字符数据。

youdao

It has two other internal variables, a currentMessage for a Message instance that is being parsed, and a StringBuilder variable called builder that stores character data from text nodes.

它有另外两个内部变量，currentMessage 针对被解析的Message实例，以及名称为builder 的StringBuilder变量，用于存储文本节点中的字符数据。

youdao