At the top is a Text Box where the user enters a name to search in the phone book as a String.

在顶部是一个用户能输入名称来搜索电话薄的文本框。

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Enter the string HttpUnit Home into the search text box and submit the form.

在搜索文本框中输入字符串HttpUnit Home，并提交表单。

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The initial logic behind the Search button is very similar to the first example: we check that the text box doesn't contain an empty string prior to invoking the web service.

在 Search 按钮背后的初始逻辑是类似于第一个实例：我们在调用 Web 服务之前，检查文本框是不是一个空字符串。

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