HtmlUnit模拟页面提交一个form，htmlunit模拟form,public void

HtmlUnit模拟页面提交一个form，htmlunit模拟form,public void

public void submittingForm() throws Exception {    final WebClient webClient = new WebClient();    // Get the first page    final HtmlPage page1 = webClient.getPage("http://some_url");    // Get the form that we are dealing with and within that form,     // find the submit button and the field that we want to change.    final HtmlForm form = page1.getFormByName("myform");    final HtmlSubmitInput button = form.getInputByName("submitbutton");    final HtmlTextInput textField = form.getInputByName("userid");    // Change the value of the text field    textField.setValueAttribute("root");    // Now submit the form by clicking the button and get back the second page.    final HtmlPage page2 = button.click();}