实例中没有相关数据库，如需运行，请在mysql创建test数据库，并新建表bar，然后创建列 num(数字)，name（文本）两列，添加数据后 即可测试
资源文件列表
.project , 912
.settings/.jsdtscope , 567
.settings/org.eclipse.jdt.core.prefs , 364
.settings/org.eclipse.wst.common.component , 488
.settings/org.eclipse.wst.common.project.facet.core.xml , 305
.settings/org.eclipse.wst.jsdt.ui.superType.container , 49
.settings/org.eclipse.wst.jsdt.ui.superType.name , 6
build/classes/com/bean/Bar.class , 698
build/classes/com/dao/BarDao.class , 2957
build/classes/com/servlet/BarService.class , 1879
build/classes/com/servlet/JsoService.class , 1710
src/com/bean/Bar.java , 297
src/com/dao/BarDao.java , 1575
src/com/servlet/BarService.java , 1655
src/com/servlet/JsoService.java , 1529
WebContent/echarts-all.js , 972409
WebContent/echarts.jsp , 5664
WebContent/jquery.js , 267320
WebContent/META-INF/MANIFEST.MF , 39
WebContent/WEB-INF/lib/commons-beanutils-1.8.3.jar , 232019
WebContent/WEB-INF/lib/commons-collections-3.1.jar , 559366
WebContent/WEB-INF/lib/commons-httpclient-3.1.jar , 305001
WebContent/WEB-INF/lib/commons-lang-2.5.jar , 279193
WebContent/WEB-INF/lib/commons-logging-1.1.jar , 52915
WebContent/WEB-INF/lib/ezmorph-1.0.6.jar , 86487
WebContent/WEB-INF/lib/gson-2.3.1.jar , 210856
WebContent/WEB-INF/lib/json-lib-2.4-jdk15.jar , 159123
WebContent/WEB-INF/lib/mysql-connector-java-5.1.22-bin.jar , 832960
WebContent/WEB-INF/web.xml , 1143