Next, create the compute that will trigger your custom function when the user clicks the Browse button.
接下来，创建计算，当用户单击browse按钮时，该计算将触发定制函数。
Additional pages are loaded when the user clicks the Next page button.
当用户单击NextPage按钮时，才会装载更多的页面。
Next, observe the doPost() method (listing 2), which is called when a form is submitted to the servlet (that is, when the user clicks the submission button that was previously added to the form).
接下来，查看doPost()方法（清单2），向servlet提交表单时（即，用户单击先前添加到表单的提交按钮时），将调用该方法。
The submit-type button submits form data for processing: when a user clicks the button, form data is submitted and the next activity in the workflow takes place.
submit按钮提交处理的数据表单：当用户单击按钮时，表单数据被提交，且工作流中的下一个活动发生。
The submit-type button submits form data for processing: when a user clicks the button, form data is submitted and the next activity in the workflow takes place.
submit按钮提交处理的数据表单：当用户单击按钮时，表单数据被提交，且工作流中的下一个活动发生。
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