Mybaits-Plus操作CRUD

Posted 2022-10-31 金石不渝

Mybaits-Plus操作CRUD笔记

1. 其中包括，查询所有，带条件查询，
2. 通过Id查询数据 删除有通过ID删除，批量删除数据
3. 通过ID修改数据
4. 增加数据

package com.laishijin.yygh.hosp.controller;

@Api(tags = "医院设置管理")
@RestController
@RequestMapping("/admin/hosp/hospitalSet")
public class HospitalSetController 

    //注入service
    //    http://localhost:8201/admin/hosp/hospitalSet/findAll

    @Autowired
    private HospitalSetService hospitalSetService;

    @ApiOperation(value = "获取所有医院设置")
    @GetMapping("findAll")
        public Result findAllHospitalSet() 
            //调用service的方法
            List<HospitalSet> list = hospitalSetService.list();
            return Result.ok(list);
        

//        //2 逻辑删除医院设置
        @ApiOperation(value = "逻辑删除医院设置")
        @DeleteMapping("id")
        public Result removeHospSet(@PathVariable Long id) 
            boolean flag = hospitalSetService.removeById(id);
            if (flag) 
                return Result.ok();
             else 
                return Result.fail();
            
        

//        3 条件查询带分页
        @ApiOperation(value = "医院分页查询")
        @PostMapping("findPageHospSet/current/limit")
           public Result findPageHospSet(@PathVariable long current,
                                      @PathVariable long limit,
                                      @RequestBody(required = false) HospitalSetQueryVo hospitalSetQueryVo) 
//            //创建page对象，传递当前页，每页记录数
            Page<HospitalSet> page = new Page<>(current, limit);
//            //构建条件
            QueryWrapper<HospitalSet> wrapper = new QueryWrapper<>();
            String hosname = hospitalSetQueryVo.getHosname();//医院名称
            String hoscode = hospitalSetQueryVo.getHoscode();//医院编号
            if (!StringUtils.isEmpty(hosname)) 
                wrapper.like("hosname", hospitalSetQueryVo.getHosname());
            
            if (!StringUtils.isEmpty(hoscode)) 
                wrapper.eq("hoscode", hospitalSetQueryVo.getHoscode());
            
            //调用方法实现分页查询
            Page<HospitalSet> pageHospitalSet = hospitalSetService.page(page, wrapper);
            //返回结果
            return Result.ok(pageHospitalSet);
        

        //4 添加医院设置
        @ApiOperation(value = "医院添加操作")
        @PostMapping("saveHospitalSet")
        public Result saveHospitalSet(@RequestBody HospitalSet hospitalSet) 
            //设置状态 1 使用 0 不能使用
            hospitalSet.setStatus(1);
             //签名秘钥
            Random random = new Random();
            hospitalSet.setSignKey(MD5.encrypt(System.currentTimeMillis() + "" + random.nextInt(1000)));
            //调用service
            boolean save = hospitalSetService.save(hospitalSet);
            if (save) 
                return Result.ok();
             else 
                return Result.fail();
            
        

        //5 根据id获取医院设置
        @ApiOperation(value = "根据id获取医院设置")
        @GetMapping("getHospSet/id")
        public Result getHospSet(@PathVariable Long id) 
            HospitalSet hospitalSet = hospitalSetService.getById(id);
            return Result.ok(hospitalSet);
        

        //6 修改医院设置
        @ApiOperation(value = "修改医院设置")
        @PostMapping("updateHospitalSet")
        public Result updateHospitalSet(@RequestBody HospitalSet hospitalSet) 
            boolean flag = hospitalSetService.updateById(hospitalSet);
            if (flag) 
                return Result.ok();
             else 
                return Result.fail();
            
        
        //7 批量删除医院设置
        @ApiOperation(value = "批量删除医院设置")
        @DeleteMapping("batchRemove")
        public Result batchRemoveHospitalSet(@RequestBody List<Long> idList) 
            hospitalSetService.removeByIds(idList);
            return Result.ok();
        

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