一個尚未完成的數據庫萬能查詢工具,由於遇到奇怪的錯誤現象(當出現一次未有返回結果的操作就不能再查詢) 請大家共同研究-an unfinished universal database query tool, the mistakes encountered strange phenomena (when there is no time to return to the outcome of the operation could no longer inquiries) Please stud