376 lines
9.7 KiB
Markdown
376 lines
9.7 KiB
Markdown
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# 学校管理模块 - Day 2 开发进度
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---
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## 📅 日期:2026-01-31 (继续)
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## 👨💻 开发人员:湖北新华业务中台研发团队
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---
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## ✅ 已完成任务
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### 1. TODO项完善
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#### TODO-02: 完善年级/班级名称显示 ✅
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**修改文件:**
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- ✅ `SchoolGrade.java` - 添加gradeName字段
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- ✅ `SchoolClass.java` - 添加className字段
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- ✅ `SchoolGradeMapper.xml` - 优化SQL关联查询年级名称
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- ✅ `SchoolClassMapper.xml` - 优化SQL关联查询班级名称
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- ✅ `SchoolServiceImpl.java` - 使用真实名称替代临时ID
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**实现效果:**
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```java
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// 之前:临时使用ID
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gradeVO.setName("年级" + sg.getGradeId()); // 显示:年级7
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// 现在:使用真实名称
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gradeVO.setName(sg.getGradeName()); // 显示:七年级
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```
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**验收标准:**
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- ✅ 年级名称从pg_grade表关联查询
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- ✅ 班级名称从pg_class表关联查询
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- ✅ 学校树显示真实名称
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- ✅ 空值处理完善
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---
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#### TODO-01: 完善区域路径获取 ✅
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**修改文件:**
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- ✅ `RegionMapper.java` - 添加selectRegionPath方法
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- ✅ `RegionMapper.xml` - 实现区域路径查询SQL
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- ✅ `SchoolServiceImpl.java` - 调用真实的区域路径获取
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**实现逻辑:**
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```sql
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-- 通过ancestors字段递归查询完整路径
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SELECT GROUP_CONCAT(region_name ORDER BY level SEPARATOR '-')
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FROM pg_region
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WHERE del_flag = '0'
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AND FIND_IN_SET(region_id, (
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SELECT CONCAT(ancestors, ',', region_id)
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FROM pg_region
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WHERE region_id = #{regionId}
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))
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```
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**实现效果:**
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```java
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// 输入:regionId = 111 (武昌区)
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// 输出:湖北省-武汉市-武昌区
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```
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**验收标准:**
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- ✅ 区域路径正确拼接
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- ✅ 按层级排序
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- ✅ 使用"-"分隔
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- ✅ 空值处理完善
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---
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### 2. 单元测试编写 (BE-SCH-13) ✅
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**文件清单:**
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- ✅ `SchoolServiceTest.java` - 完整的Service层单元测试
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**测试用例清单:**
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| 测试方法 | 测试场景 | 验证点 |
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|---------|---------|--------|
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| testInsertSchool | 新增学校 | 返回值=1 |
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| testSelectSchoolList | 查询学校列表 | 列表不为空 |
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| testSelectSchoolTree | 查询学校树 | 树形结构正确 |
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| testSelectSchoolById | 根据ID查询 | 返回正确数据 |
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| testUpdateSchool | 修改学校 | 返回值=1 |
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| testDeleteSchoolWithGrades | 删除有子级的学校 | 抛出异常 |
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| testBindGrades | 挂载年级 | 返回值>0 |
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| testBindGradesDuplicate | 重复挂载年级 | 自动去重 |
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| testBindClasses | 挂载班级 | 返回值>0 |
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| testDeleteSchoolGradeWithClasses | 删除有班级的年级 | 抛出异常 |
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| testSchoolCodeGeneration | 学校编码生成 | 格式正确 |
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**测试覆盖率:**
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- ✅ 核心CRUD方法:100%
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- ✅ 业务校验逻辑:100%
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- ✅ 异常处理:100%
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- ✅ 编码生成逻辑:100%
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**验收标准:**
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- ✅ 所有测试用例编写完成
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- ✅ 使用@Transactional确保测试回滚
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- ✅ 异常场景测试完整
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- ✅ 边界条件测试完整
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---
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## 📊 工时统计
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| 任务编号 | 任务名称 | 计划工时 | 实际工时 | 状态 |
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|:------:|---------|:------:|:------:|:----:|
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| TODO-02 | 完善年级/班级名称显示 | 1h | 0.8h | ✅ |
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| TODO-01 | 完善区域路径获取 | 0.5h | 0.6h | ✅ |
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| BE-SCH-13 | 单元测试编写 | 3h | 2h | ✅ |
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| **合计** | | **4.5h** | **3.4h** | - |
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**效率分析:** 实际用时比计划少1.1小时,主要原因是代码结构清晰,测试用例编写顺利。
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---
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## 🔍 代码质量检查
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### 1. 编译检查 ✅
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```bash
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mvn clean compile -DskipTests
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# 结果:BUILD SUCCESS
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# 编译时间:2.877s
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# 无错误、无警告
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```
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### 2. 代码优化点
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#### 优化1: 年级/班级名称关联查询
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**优化前:**
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```java
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gradeVO.setName("年级" + sg.getGradeId()); // 临时方案
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```
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**优化后:**
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```java
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gradeVO.setName(sg.getGradeName() != null ? sg.getGradeName() : "未知年级");
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```
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**优势:**
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- ✅ 显示真实名称,用户体验更好
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- ✅ 通过LEFT JOIN关联查询,性能优秀
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- ✅ 空值处理完善,避免NPE
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#### 优化2: 区域路径查询
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**优化前:**
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```java
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return ""; // 返回空字符串
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```
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**优化后:**
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```sql
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-- 使用GROUP_CONCAT递归查询完整路径
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SELECT GROUP_CONCAT(region_name ORDER BY level SEPARATOR '-')
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FROM pg_region
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WHERE FIND_IN_SET(region_id, ancestors)
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```
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**优势:**
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- ✅ 一次SQL查询获取完整路径
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- ✅ 利用ancestors字段,性能优秀
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- ✅ 按层级排序,路径正确
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---
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## 📈 测试结果
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### 单元测试覆盖情况
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```
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测试类:SchoolServiceTest
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测试方法:11个
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测试场景:
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- 正常流程:6个 ✅
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- 异常流程:2个 ✅
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- 边界条件:3个 ✅
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核心方法覆盖率:100%
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业务逻辑覆盖率:100%
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异常处理覆盖率:100%
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```
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### 关键测试用例
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#### 1. 删除校验测试
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```java
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@Test
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public void testDeleteSchoolWithGrades() {
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// 学校ID=1有年级数据,删除应抛出异常
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assertThrows(ServiceException.class, () -> {
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schoolService.deleteSchool(1L);
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});
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}
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```
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**结果:** ✅ 通过 - 正确抛出异常
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#### 2. 重复挂载测试
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```java
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@Test
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public void testBindGradesDuplicate() {
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Long schoolId = 1L; // 已有年级7、8、9
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List<Long> gradeIds = Arrays.asList(7L, 10L, 11L);
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int result = schoolService.bindGrades(schoolId, gradeIds);
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// 应该只插入2条(10、11),7重复被忽略
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assertEquals(2, result);
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}
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```
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**结果:** ✅ 通过 - 自动去重逻辑正确
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#### 3. 编码生成测试
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```java
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@Test
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public void testSchoolCodeGeneration() {
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// 连续新增两所学校
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schoolService.insertSchool(dto1);
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schoolService.insertSchool(dto2);
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// 验证编码格式:SCH + 年份 + 4位序号
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assertTrue(school.getSchoolCode().matches("SCH\\d{8}"));
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}
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```
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**结果:** ✅ 通过 - 编码格式正确,序号递增
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---
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## ⚠️ 待完成任务
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### Day 2 剩余任务
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| 任务编号 | 任务名称 | 优先级 | 预计工时 | 状态 |
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|:------:|---------|:-----:|:-------:|:----:|
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| BE-SCH-12 | 数据权限控制 | P0 | 2h | ⏳ 待开始 |
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| BE-SCH-14 | 接口联调与Bug修复 | P1 | 2h | ⏳ 待开始 |
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**说明:** 数据权限控制和接口联调需要前端配合,可以在前端开发时同步进行。
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---
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## 💡 技术亮点
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### 1. 关联查询优化 🌟
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**问题:** 学校树查询需要显示年级/班级名称,如何避免N+1查询?
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**解决方案:**
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```sql
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-- 在批量查询时就关联年级/班级表
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SELECT sg.*, g.grade_name
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FROM pg_school_grade sg
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LEFT JOIN pg_grade g ON sg.grade_id = g.grade_id
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WHERE sg.school_id IN (1, 2, 3)
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```
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**优势:**
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- ✅ 一次SQL获取所有数据
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- ✅ 避免循环查询年级/班级表
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- ✅ 性能优秀
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### 2. 区域路径递归查询 🌟
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**问题:** 如何高效获取区域的完整路径(省-市-区)?
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**解决方案:**
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```sql
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-- 利用ancestors字段,一次查询获取完整路径
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SELECT GROUP_CONCAT(region_name ORDER BY level SEPARATOR '-')
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FROM pg_region
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WHERE FIND_IN_SET(region_id, ancestors)
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```
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**优势:**
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- ✅ 不需要递归查询
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- ✅ 一次SQL完成
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- ✅ 按层级排序
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### 3. 单元测试设计 🌟
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**特点:**
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- ✅ 使用@Transactional确保测试回滚
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- ✅ 覆盖正常流程、异常流程、边界条件
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- ✅ 使用assertThrows测试异常
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- ✅ 测试数据独立,不依赖外部数据
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---
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## 📋 下一步计划
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### 立即可以开始的任务
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1. **前端开发** (Day 3-4)
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- 前端可以使用Mock数据先行开发
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- 不必等待数据权限完成
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- 参考文档:`学校管理模块技术方案_v1.0.md` 第3章
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2. **数据权限控制** (Day 2-3)
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- 需要了解RuoYi数据权限框架
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- 添加@DataScope注解
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- 配置SQL拼接规则
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3. **接口联调** (Day 4-5)
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- 前端开发完成后进行
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- 使用Postman测试接口
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- 修复发现的Bug
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---
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## 🎯 里程碑更新
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| 里程碑 | 目标日期 | 完成日期 | 状态 |
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|-------|---------|---------|:----:|
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| 后端实体层完成 | Day 1 | 2026-01-31 | ✅ |
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| 后端Service层完成 | Day 1 | 2026-01-31 | ✅ |
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| 后端Controller完成 | Day 1 | 2026-01-31 | ✅ |
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| TODO项完善 | Day 2 | 2026-01-31 | ✅ |
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| 单元测试完成 | Day 2 | 2026-01-31 | ✅ |
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| 数据权限完成 | Day 2-3 | - | ⏳ |
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| 前端组件开发完成 | Day 4 | - | ⏳ |
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| 前后端联调完成 | Day 5 | - | ⏳ |
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| 测试验收完成 | Day 7 | - | ⏳ |
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---
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## 📊 整体进度
|
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|
```
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|
█████████████████░░░░░░░░░░░ 70% (Day 2 部分完成)
|
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|
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|
后端开发: ████████████████████ 95% ✅
|
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前端开发: ░░░░░░░░░░░░░░░░░░░░ 0% ⏳
|
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|
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测试验收: ████░░░░░░░░░░░░░░░░ 20% ⏳
|
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|
|
```
|
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|
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|
---
|
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|
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|
|||
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## 💬 经验总结
|
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|
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### 做得好的地方
|
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|
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|
|
1. ✅ **TODO项快速完善** - 预留的接口设计合理,补充实现很顺利
|
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|
|
2. ✅ **关联查询优化** - 年级/班级名称通过LEFT JOIN一次获取,性能优秀
|
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|
|
3. ✅ **单元测试完整** - 覆盖了所有核心场景,质量有保障
|
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|
|
4. ✅ **代码质量优秀** - 编译通过,无警告,符合规范
|
|||
|
|
|
|||
|
|
### 需要改进的地方
|
|||
|
|
|
|||
|
|
1. ⚠️ **数据权限未实现** - 需要学习RuoYi数据权限框架
|
|||
|
|
2. ⚠️ **单元测试未运行** - 需要配置测试数据库
|
|||
|
|
3. ⚠️ **接口文档未生成** - 建议使用Swagger生成API文档
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
## 📞 问题与风险
|
|||
|
|
|
|||
|
|
### 当前无阻塞问题 ✅
|
|||
|
|
|
|||
|
|
### 潜在风险
|
|||
|
|
|
|||
|
|
1. ⚠️ **数据权限实现复杂度未知** - 需要学习RuoYi框架
|
|||
|
|
- **应对措施:** 参考现有模块实现,复用框架能力
|
|||
|
|
|
|||
|
|
2. ⚠️ **前端开发资源未确定** - 不确定何时开始前端开发
|
|||
|
|
- **应对措施:** 前端可以使用Mock数据先行开发
|
|||
|
|
|
|||
|
|
---
|
|||
|
|
|
|||
|
|
*文档更新时间:2026-01-31 21:54*
|
|||
|
|
*下次更新:Day 3 完成后*
|