如果枚举匹配时块未命中

let item = this.gaparameterlist.find(x => x.key === globalparameter);
        if (globalparameter == enums.IASamplingGlobalParameters.PercentageTolerance || globalparameter == enums.IASamplingGlobalParameters.MarkDifferenceMethodThreshold || globalparameter == enums.IASamplingGlobalParameters.TailedThreshold, globalparameter == enums.IASamplingGlobalParameters.AvergaeDiffMethodTolerance || globalparameter == enums.IASamplingGlobalParameters.ModerationTest2Tolerance) {
            var numericvalue = +textvalue;
            numericvalue = numericvalue / 100;
            textvalue = String(numericvalue);
        }