function main(page, pageContext, param) {
    //I2c94eaaa2a82e9d6012a885f1681367c
    var param = page.getParamValueByName('切换参数');
    var pv = param.value + '';
    //映射参数值与对应的报表资源
    var reports = {
        '1': {
            id: 'I402881903744c86c01543bd8cfc221d0',
            type: 'SIMPLE_REPORT' //报表类型灵活分析
        },
        '2': {
            id: 'I402881903744c86c01543be71d262281',
            type: 'Dashboard' //报表类型为仪表分析
        },
        '3': {
            id: 'I402881903744c86c01543be863602294',
            type: 'SPREADSHEET_REPORT' //报表类型为电子表格
        }
    };
    var reportId = reports[pv] && reports[pv].id;
    if (!reportId) {
        alert('找不到参数值(' + pv + ')对应的报表信息！');
        return;
    }
    var reportType = reports[pv].type;
    var dashlet = page.findDashletBySlotId(0, 0); // 根据位置找到对应的dashlet对象
    var needMergeParams = false;
    if (!dashlet) { // dashlet不存在,新建一个
        return;
    } else if (dashlet.currentPortletId != reportId) { // 如果dashlet中的报表不是需要的，替换dashlet的内容
        dashlet.openOtherPortlet(reportId, reportType);
        needMergeParams = true;
    }
    var portlet = dashlet.currentPortlet;
    if (!portlet) return;
    if (needMergeParams) { // 合并参数到公共参数，必须是已经存在的公共参数。
        if (reportType == 'FREE_REPORT') {
            window.setTimeout(checkLoadComplete, 200);
        } else {
            var paramNames = ['产品类别-有默认值', '区域_有默认值', '切换参数'];
            for (var i = 0; i < paramNames.length; i++) {
                page.mergeParamToPublic(paramNames[i], reportId, portlet, "groupById");
            }
            var params = page.getPublicParams();
            for (var i = 0; i < params.length; i++) {
                var pobj = params[i];
                //portlet.getPortletObject().setParamValue(pobj.id, pobj.value,pobj.displayValue);// 设置或收集参数值
                portlet.fillParamValue(pobj.name, pobj.value, pobj.displayValue); // 设置或收集参数值
            }
            portlet.commitParamValue(); // 设置参数值到报表对象
        }
    }
    portlet.refreshData(); // 刷新报表
     for (var j = 0; j < page.dashletList.length; j++) {
        page.dashletList[j].elemDashletTitle.innerHTML = '';
    } //隐藏所有页面的标题
}
function checkLoadComplete() {
    var dashlet = page.findDashletBySlotId(0, 0);
    var portlet = dashlet.currentPortlet;
    if (!portlet.isLoadComplete()) {
        window.setTimeout(checkLoadComplete, 200);
        return;
    }
    var paramNames = ['产品类别-有默认值', '区域_有默认值', '切换参数'];
    for (var i = 0; i < paramNames.length; i++) {
        page.mergeParamToPublic(paramNames[i], dashlet.currentPortletId, portlet, "groupById");
    }
    var params = page.getPublicParams();
    for (var i = 0; i < params.length; i++) {
        var pobj = params[i];
        portlet.setParamValueByName(pobj.name, pobj.value, pobj.displayValue); // 设置或收集参数值
    }
    portlet.commitParamValue(); // 设置参数值到报表对象
    portlet.refreshData();
}