1.搭建springboot项目，maven搭建，这是项目整体架构

2.后台代码：

@RestController@RequestMapping("/wanglk_bds")public class VisualController { @Autowired private VisualInterface visualInterface; /** * 每一天的访问用户量 * @return */ @RequestMapping(value="/bar-simple",method=RequestMethod.GET,produces="application/json") @ResponseBody public List getDateTotal(){ List all = visualInterface.getAll(); return all; }}

@Servicepublic class VisualInterfaceImpl implements VisualInterface { @Autowired VisualMapper visualMapper; @Override public List getAll() { List totals = visualMapper.selectAllFromTable(); return totals; }}

@Mapperpublic interface VisualMapper { List selectAllFromTable();}

date,total select from keyword

3.前端代码：