将DataTable导入到Excel文件中，或从Excel文件导入到DataTable中。 主要函数： ImportDataTable:导入DataTable ExportDataTable:导出DataTable-DataTable into the Excel document, or from Excel file into DataTable in. Main function: ImportDataTable: Importing DataTable ExportDataTable:
DB类host=$host; $this->user=$user; $this->pass=$pass; $this->data=$data; $this->conn=$conn; $this->code=$code; $this->connect(); } public function __get($name){return $this->$name;} public function __set($name,$value){$this->$
