Java项目-基于SSM+Jsp的多角色学生管理系统的设计与实现（源码+数据库脚本+部署视频+代码讲解视频+全套软件）

package com.controller; import java.text.SimpleDateFormat; import com.alibaba.fastjson.JSONObject; import java.util.*; import org.springframework.beans.BeanUtils; import javax.servlet.http.HttpServletRequest; import org.springframework.web.context.ContextLoader; import javax.servlet.ServletContext; import com.service.TokenService; import com.utils.StringUtil; import java.lang.reflect.InvocationTargetException; import org.apache.commons.lang3.StringUtils; import com.annotation.IgnoreAuth; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.*; import com.baomidou.mybatisplus.mapper.EntityWrapper; import com.baomidou.mybatisplus.mapper.Wrapper; import com.entity.YonghuEntity; import com.service.YonghuService; import com.entity.view.YonghuView; import com.utils.PageUtils; import com.utils.R; /** * 学生 * 后端接口 * @author * @email * @date 2021-03-02 */ @RestController @Controller @RequestMapping("/yonghu") public class YonghuController { private static final Logger logger = LoggerFactory.getLogger(YonghuController.class); @Autowired private YonghuService yonghuService; @Autowired private TokenService tokenService; //级联表service //字典表map Map<String, Map<Integer, String>> dictionaryMap; /** * 后端列表 */ @RequestMapping("/page") public R page(@RequestParam Map<String, Object> params, HttpServletRequest request){ logger.debug("page方法:,,Controller:{},,params:{}",this.getClass().getName(),JSONObject.toJSONString(params)); PageUtils page = yonghuService.queryPage(params); //字典表数据转换 List<YonghuView> list =(List<YonghuView>)page.getList(); ServletContext servletContext = ContextLoader.getCurrentWebApplicationContext().getServletContext(); dictionaryMap = (Map<String, Map<Integer, String>>) servletContext.getAttribute("dictionaryMap"); for(YonghuView c:list){ this.dictionaryConvert(c); } return R.ok().put("data", page); } /** * 后端详情 */ @RequestMapping("/info/{id}") public R info(@PathVariable("id") Long id){ logger.debug("info方法:,,Controller:{},,id:{}",this.getClass().getName(),id); YonghuEntity yonghu = yonghuService.selectById(id); if(yonghu !=null){ //entity转view YonghuView view = new YonghuView(); BeanUtils.copyProperties( yonghu , view );//把实体数据重构到view中 //字典表字典转换 ServletContext servletContext = ContextLoader.getCurrentWebApplicationContext().getServletContext(); dictionaryMap = (Map<String, Map<Integer, String>>) servletContext.getAttribute("dictionaryMap"); this.dictionaryConvert(view); return R.ok().put("data", view); }else { return R.error(511,"查不到数据"); } } /** * 后端保存 */ @RequestMapping("/save") public R save(@RequestBody YonghuEntity yonghu, HttpServletRequest request){ logger.debug("save方法:,,Controller:{},,yonghu:{}",this.getClass().getName(),yonghu.toString()); Wrapper<YonghuEntity> queryWrapper = new EntityWrapper<YonghuEntity>() .eq("username", yonghu.getUsername()) .eq("password", yonghu.getPassword()) .eq("name", yonghu.getName()) .eq("phone", yonghu.getPhone()) .eq("id_number", yonghu.getIdNumber()) .eq("sex_types", yonghu.getSexTypes()) .eq("nation", yonghu.getNation()) .eq("politics_types", yonghu.getPoliticsTypes()) .eq("birthplace", yonghu.getBirthplace()) .eq("yonghu_types", yonghu.getYonghuTypes()) ; logger.info("sql语句:"+queryWrapper.getSqlSegment()); YonghuEntity yonghuEntity = yonghuService.selectOne(queryWrapper); if(yonghuEntity==null){ yonghu.setCreateTime(new Date()); yonghu.setPassword("123456"); // String role = String.valueOf(request.getSession().getAttribute("role")); // if("".equals(role)){ // yonghu.set // } yonghuService.insert(yonghu); return R.ok(); }else { return R.error(511,"表中有相同数据"); } } /** * 修改 */ @RequestMapping("/update") public R update(@RequestBody YonghuEntity yonghu, HttpServletRequest request){ logger.debug("update方法:,,Controller:{},,yonghu:{}",this.getClass().getName(),yonghu.toString()); //根据字段查询是否有相同数据 Wrapper<YonghuEntity> queryWrapper = new EntityWrapper<YonghuEntity>() .notIn("id",yonghu.getId()) .eq("username", yonghu.getUsername()) .eq("password", yonghu.getPassword()) .eq("name", yonghu.getName()) .eq("phone", yonghu.getPhone()) .eq("id_number", yonghu.getIdNumber()) .eq("sex_types", yonghu.getSexTypes()) .eq("nation", yonghu.getNation()) .eq("politics_types", yonghu.getPoliticsTypes()) .eq("birthplace", yonghu.getBirthplace()) .eq("yonghu_types", yonghu.getYonghuTypes()) ; logger.info("sql语句:"+queryWrapper.getSqlSegment()); YonghuEntity yonghuEntity = yonghuService.selectOne(queryWrapper); if("".equals(yonghu.getMyPhoto()) || "null".equals(yonghu.getMyPhoto())){ yonghu.setMyPhoto(null); } if(yonghuEntity==null){ // String role = String.valueOf(request.getSession().getAttribute("role")); // if("".equals(role)){ // yonghu.set // } yonghuService.updateById(yonghu);//根据id更新 return R.ok(); }else { return R.error(511,"表中有相同数据"); } } /** * 删除 */ @RequestMapping("/delete") public R delete(@RequestBody Integer[] ids){ logger.debug("delete:,,Controller:{},,ids:{}",this.getClass().getName(),ids.toString()); yonghuService.deleteBatchIds(Arrays.asList(ids)); return R.ok(); } /** *字典表数据转换 */ public void dictionaryConvert(YonghuView yonghuView){ //当前表的字典字段 if(StringUtil.isNotEmpty(String.valueOf(yonghuView.getSexTypes()))){ yonghuView.setSexValue(dictionaryMap.get("sex_types").get(yonghuView.getSexTypes())); } if(StringUtil.isNotEmpty(String.valueOf(yonghuView.getPoliticsTypes()))){ yonghuView.setPoliticsValue(dictionaryMap.get("politics_types").get(yonghuView.getPoliticsTypes())); } if(StringUtil.isNotEmpty(String.valueOf(yonghuView.getYonghuTypes()))){ yonghuView.setYonghuValue(dictionaryMap.get("yonghu_types").get(yonghuView.getYonghuTypes())); } //级联表的字典字段 } /** * 登录 */ @IgnoreAuth @PostMapping(value = "/login") public R login(String username, String password, String captcha, HttpServletRequest request) { YonghuEntity yonghu = yonghuService.selectOne(new EntityWrapper<YonghuEntity>().eq("username", username)); if(yonghu==null || !yonghu.getPassword().equals(password)) { return R.error("账号或密码不正确"); } ServletContext servletContext = ContextLoader.getCurrentWebApplicationContext().getServletContext(); dictionaryMap = (Map<String, Map<Integer, String>>) servletContext.getAttribute("dictionaryMap"); String role = dictionaryMap.get("yonghu_types").get(yonghu.getYonghuTypes()); String token = tokenService.generateToken(yonghu.getId(),username, "yonghu",role ); R r = R.ok();