使用EJB（Enterprise JavaBean）技术编写的简单计算器session Bean，并写了测试程序。希望对新手有所帮助。-Using the EJB (Enterprise JavaBean) technology, to prepare a simple calculator session Bean, and wrote a test program. Want to be helpful to novice.
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Cal src classes .classpath .mymetadata .project .settings org.eclipse.jdt.core.prefs .myeclipse .settings
SHOW FULL COLUMNS FROM `jrk_downrecords` [ RunTime:0.001072s ]
SELECT `a`.`aid`,`a`.`title`,`a`.`create_time`,`m`.`username` FROM `jrk_downrecords` `a` INNER JOIN `jrk_member` `m` ON `a`.`uid`=`m`.`id` WHERE `a`.`status` = 1 GROUP BY `a`.`aid` ORDER BY `a`.`create_time` DESC LIMIT 10 [ RunTime:0.085867s ]
SHOW FULL COLUMNS FROM `jrk_tagrecords` [ RunTime:0.001027s ]
SELECT * FROM `jrk_tagrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 20 [ RunTime:0.001135s ]
SHOW FULL COLUMNS FROM `jrk_member` [ RunTime:0.001002s ]
SELECT `id`,`username`,`userhead`,`usertime` FROM `jrk_member` WHERE `status` = 1 ORDER BY `usertime` DESC LIMIT 10 [ RunTime:0.003073s ]
SHOW FULL COLUMNS FROM `jrk_searchrecords` [ RunTime:0.000849s ]
SELECT * FROM `jrk_searchrecords` WHERE `status` = 1 ORDER BY `num` DESC LIMIT 5 [ RunTime:0.003664s ]
SELECT aid,title,count(aid) as c FROM `jrk_downrecords` GROUP BY `aid` ORDER BY `c` DESC LIMIT 10 [ RunTime:0.023314s ]
SHOW FULL COLUMNS FROM `jrk_articles` [ RunTime:0.001698s ]
UPDATE `jrk_articles` SET `hits` = 2 WHERE `id` = 46319 [ RunTime:0.025654s ]
