参考超级链接-网络报表 https://help.fanruan.com/finereport/doc-view-4199.html
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var a=_g().getWidgetByName("控件名1").getValue();
var b=_g().getWidgetByName("控件名2").getValue();
var url="/webroot/decision/view/report?viewlet=GettingStarted.cpt&op=write&a="+a+"&b="+b;
//或者这个格式 var url="${servletURL}?viewlet=GettingStarted.cpt&op=write&a="+a+"&b="+b;
var url = FR.cjkEncode(url);
window.open(url);
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然后子页面根据参数查询数据展示