简单实现计算机与单片机串口通讯调试程序，可以传输数据也可以传输文件-Realize single-chip computer and a simple serial communication debugger, you can transfer data can also transfer files
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SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.002423s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003942s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.002280s ]
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SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.002678s ]
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