<![CDATA[var pdfdoc = await pdfui.getCurrentPDFDoc(); //获取当前文档对象
var pdfform = await pdfdoc.loadPDFForm();//加载所有表单域对象
var submitButton = pdfform.getField("提交");//获取指定的表单域对象
var submitControl = submitButton.getControlByIndex(0);
var submitWidget = await submitControl.getWidgetAnnot();
var submitAction = submitWidget.getAdditionalAction(PDF.constant.Action_Trigger.mouseUp);//根据按钮属性中的动作类型，获取指定的Action对象
console.log(submitAction.getURL());
//根据业务需求动态设置待提交的目标服务器地址
submitAction.info.url = "http://www.test2.com/test2api"]]>
