页面历史

function main(insight) {
    //debugger;
    insight.doRefresh_old = insight.doRefresh;
    insight.doRefresh = function(pageNum) {
        var params = insight.params;
        var startTime, endTime;
        for (var i = 0; i < params.length; i++) {
            var param = params[i];
            if (param.alias == "开始日期") {
                startTime = new Date(param.value.replace(/\-/g, "/"));
            } else if (param.alias == "结束日期") {
                endTime = new Date(param.value.replace(/\-/g, "/"))
            }
        }
        if (endTime.getTime() - startTime.getTime() > 1000 * 3600 * 24 * 90) {
            alert("两个参数的差不能超过90天");
            return false;
        } else {
            insight.doRefresh_old(pageNum);
        }
    }
}