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In this article, the editor introduces in detail "how to achieve classroom reservation management system in Java". The content is detailed, the steps are clear, and the details are handled properly. I hope that this article "how to achieve classroom reservation management system in Java" can help you solve your doubts.

I. configuration of the project running environment:

Jdk1.8 + Tomcat8.5 + Mysql + HBuilderX (Webstorm is also fine) + Eclispe (both supported by IntelliJ IDEA,Eclispe,MyEclispe,Sts).

Project technology:

It is composed of Spring + SpringBoot+ mybatis + Maven + Vue and so on, and the Bamp S mode + Maven management and so on.

User Management Controller:

/ * * user Management Controller * / @ RequestMapping ("/ user/") @ Controllerpublic class UserController {@ Autowired private IUserService userService; @ Autowired private IRoleService roleService; @ Resource private ProcessEngineConfiguration configuration; @ Resource private ProcessEngine engine @ GetMapping ("/ index") @ ApiOperation ("Redirect user Page Interface") @ PreAuthorize ("hasRole ('administrator')") public String index (String menuid,Model model) {List roles = queryAllRole (); model.addAttribute ("roles", roles); model.addAttribute ("menuid", menuid); / / user homepage return "views/user/user_list" } @ GetMapping ("/ listpage") @ ApiOperation ("query user paging data interface") @ ApiImplicitParams ({@ ApiImplicitParam (name = "UserQuery", value = "user query object", defaultValue = "userQuery object")}) @ ResponseBody @ PreAuthorize ("hasRole ('administrator')") public PageList listpage (UserQuery userQuery) {return userService.listpage (userQuery) } / / add user @ PostMapping ("/ addUser") @ ApiOperation ("add user interface") @ ResponseBody public Map addUser (User user) {Map ret = new HashMap (); ret.put ("code",-1); if (StringUtils.isEmpty (user.getUsername () {ret.put ("msg", "Please fill in user name"); return ret } if (StringUtils.isEmpty (user.getPassword () {ret.put ("msg", "Please fill in the password"); return ret;} if (StringUtils.isEmpty (user.getEmail () {ret.put ("msg", "Please fill in the mailbox"); return ret } if (StringUtils.isEmpty (user.getTel () {ret.put ("msg", "Please fill in the phone number"); return ret;} if (StringUtils.isEmpty (user.getHeadImg () {ret.put ("msg", "Please upload avatar"); return ret;} if (userService.addUser (user))

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