表达式语言—通常用于表单输入字段名称和JSP标记。
Expression language - Normally used in form input field names and JSP tags.
第二，您需要通过使用HTMLLABEL标记使所有的表单输入域和它们的标签关联。
Second, you need to associate all of your form input fields with their labels using the HTML label tag.
一旦用户选择了要上传的文件，将标题和可选标记输入此表单并提交后，脚本的另一半就会发挥作用。
Once the user selects an image file for upload, enters a title and optional tags into this form and submits it, the second half of the script swings into action.
MobilePortal使用相关设备支持的输入方法将表单转换为适合每个设备的标记。
Mobile Portal converts the forms into markup suitable for each device using input methods supported by the device.
在本例中，它将创建一个搜索表单，该表单有一个用于输入标记的文本框，一个用于选择类别的下拉列表，以及一个用于请求搜索的搜索按钮。
In this case it creates a search form with a text box for entering tags, a drop-down list of categories, and a search button for requesting a search.
因此，可以标记那些在表单加载后立即发生的提交，这可以通过使用这样一个时间间隔实现，在这个时间间隔内普通人是根本无法如此快速地完成表单输入的。
You might want to flag submissions that were made immediately after the form was loaded, with an interval that makes it improbable that a human was able to fill out the form inputs so quickly.
要测试您的工作，填写表单并且输入一个不合法的email格式（比如，没有 @标记，或者在 @ 标记后没有点号）。
To test your work, fill out the form but enter an invalid form of email address (for instance, one without the @ sign, or with no dot after the @ sign).
要测试您的工作，填写表单并且输入一个不合法的email格式（比如，没有 @标记，或者在 @ 标记后没有点号）。
To test your work, fill out the form but enter an invalid form of email address (for instance, one without the @ sign, or with no dot after the @ sign).
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