摘要：
情境：保留表A数据，且A表与B表是一对多关系SELECT tuf.Id,tuf.FileName,tuf.type,tuf.url,tum.MachineId,tum.IsDownland,tum.IsFlagFROM t_UpgradeFile tufLEFT join (SELECT t.* from t_Upgrade_Machine t where t.MachineId='3333' ) tum on tuf.Id=tum.UpgradeFileId 阅读全文
摘要：
var downloadarray = new Array(); //是否要下载的数组(保存的是是否要下载文件，isflag=true)Array.prototype.indexOf = function (val) { for (var i = 0; i -1) { this.splice(index, 1); }};//删除数组元素 mydata = { action: 'SaveUpgradeMachine', jqid: selectmachine[0].JqId, ... 阅读全文