Spring Boot学生信息管理系统项目实战-3.专业管理

1.获取源码

源码是捐赠方式获取，详细请QQ联系我 ：）

2.实现效果

3.项目源码

只挑重点讲，详细请看源码。

专业管理实现学校专业的增删改查，与学院管理相关联。

• 前端代码

<!--编辑表单-->
<div class="layui-row" id="editMajor" style="display:none;">
    <div class="layui-col-md10">
        <form class="layui-form layui-from-pane" id="saveMajor" style="margin-top:20px">
            <input type="text" name="id" id="id" hidden="hidden">

            <div class="layui-form-item">
                <label class="layui-form-label">专业标识</label>
                <div class="layui-input-inline">
                    <input type="text" name="code" id="code" required lay-verify="required" autocomplete="off"
                           class="layui-input">
                </div>
            </div>
            <div class="layui-form-item">
                <label class="layui-form-label">专业名称</label>
                <div class="layui-input-inline">
                    <input type="text" name="name" id="name" required lay-verify="required" autocomplete="off"
                           class="layui-input">
                </div>
            </div>
            <div class="layui-form-item">
                <label class="layui-form-label">所属学院</label>
                <div class="layui-input-inline">
                    <select name="collegeId" id="collegeId" lay-verify="required">
                        <option value=""></option>
                    </select>
                    <div class="layui-unselect layui-form-select">
                        <div class="layui-select-title">
                            <input type="text" placeholder="请选择" value="" readonly=""
                                   class="layui-input layui-unselect">
                            <i class="layui-edge"></i>
                        </div>
                    </div>
                </div>
            </div>

            <div class="layui-form-item" id="check">
                <div class="layui-input-block">
                    <button class="layui-btn  layui-btn-submit " lay-submit="" lay-filter="saveMajor">保存</button>
                    <!--<button type="reset" class="layui-btn layui-btn-primary">重置</button>-->
                </div>
            </div>
        </form>
    </div>
</div>

• 后端代码

/**
     * 保存（新增/修改）
     *
     * @param entity
     * @return
     */
    @PostMapping("/save")
    public Result<String> modify(@RequestBody Major entity) {
        String code = entity.getCode();
        int count = majorService.checkCode(entity);
        if(count>0){
            return ResultUtil.fail("编码重复！");
        }
        if(entity.getId()!=null){
            majorService.modify(entity);
        }else{
            majorService.add(entity);
        }

        return ResultUtil.ok();
    }

    @Transactional
    @PostMapping("/remove")
    public Result<String> remove(@RequestBody Long[] ids) {
        majorService.removes(ids);

        return ResultUtil.ok();
    }

    @GetMapping("/get")
    public Result<Major> get(@RequestParam("id") Long id) {
        Major entity = majorService.get(id);

        return ResultUtil.ok(entity);
    }

    @PostMapping("/list")
    public ResultBean<List<Major>> getPageResult(
            @RequestParam(required = false) String code,
            @RequestParam(required = false) String name,
            @RequestParam(defaultValue = "1") Integer page,
            @RequestParam(defaultValue = "10") Integer limit) {

        Map<String, Object> param = new HashMap<>();

        // 计算起始行号
        int offset = (page - 1) * limit;
        int rows = limit;

        param.put("code",code);
        param.put("name",name);
        param.put("offset", offset);
        param.put("rows", rows);

        // 统计记录数
        int totalRows = majorService.count(param);

        // 获取当前页结果集
        List<Major> entities = majorService.getPageResult(param);

        ResultBean result = new ResultBean(0, "查询成功", totalRows, entities);

        return result;

    }

    /**
     *  列出所有
     * @return
     */
    @GetMapping("/listAll")
    public ResultBean<List<Major>> listAll() {
        List<Major> entities = majorService.getPageResult(null);
        ResultBean result = new ResultBean(0, "查询成功", entities.size(), entities);

        return result;
    }

源码是捐赠方式获取，详细请QQ联系我 ：）