phoneNum=store.get('phoneNum'); function sendWarningMessage(timeAddr,warnValue){//{1}误差超过预警值{/^1[3-8]+\d{9}$/.test(phoneNum))return; var ssender = qcloudsms.SmsSingleSender();
什么是默认值KeyValuePair<string, int>?例如,我正在运行LINQ查询并FirstOrDefault()从中返回值 KeyValuePair<string, int> mapping = (from p in lstMappings
whereoperands of type 'System.Collections.Generic.KeyValuePair<string,int>' and '<null>') PS:lstMappings是<