From 5ad3684dd58b9fc3e8c69bcfb84f55a421cc936d Mon Sep 17 00:00:00 2001
From: cxt104926 <1049266034@qq.com>
Date: Wed, 24 Mar 2021 23:30:24 +0800
Subject: [PATCH] 1

---
 README.md                                      |  4 +++-
 ...Controller.java => StuClassController.java} |  3 ++-
 .../service/system/StuClassService.java        | 18 +++++++++++++++++-
 3 files changed, 22 insertions(+), 3 deletions(-)
 rename src/main/java/com/stu/stusystem/controller/system/{stuClassController.java => StuClassController.java} (98%)

diff --git a/README.md b/README.md
index 7ed5d44..b0bd3ab 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,9 @@
            
      ③ 访问项目：在浏览器中输入 -> `localhost:2020` 
 
-登录账号，管理员账号：admin;密码：1.     
+登录账号:
+    管理员账号：admin
+    密码：1    
        
 #### 5.说在最后
 1.  系统正在开发，想到的后面再更新
diff --git a/src/main/java/com/stu/stusystem/controller/system/stuClassController.java b/src/main/java/com/stu/stusystem/controller/system/StuClassController.java
similarity index 98%
rename from src/main/java/com/stu/stusystem/controller/system/stuClassController.java
rename to src/main/java/com/stu/stusystem/controller/system/StuClassController.java
index 853de44..3b4a529 100644
--- a/src/main/java/com/stu/stusystem/controller/system/stuClassController.java
+++ b/src/main/java/com/stu/stusystem/controller/system/StuClassController.java
@@ -18,7 +18,8 @@ import java.util.HashMap;
  */
 @RestController
 @RequestMapping("/stu/class")
-public class stuClassController {
+public class StuClassController {
+
     private StuClassService stuClassService;
 
     @ApiOperation("分页查询")
diff --git a/src/main/java/com/stu/stusystem/service/system/StuClassService.java b/src/main/java/com/stu/stusystem/service/system/StuClassService.java
index c693bbd..78b92ee 100644
--- a/src/main/java/com/stu/stusystem/service/system/StuClassService.java
+++ b/src/main/java/com/stu/stusystem/service/system/StuClassService.java
@@ -100,9 +100,25 @@ public class StuClassService {
      * 查询全部的班级
      */
     public HashMap<String, String> getStuClassAll() {
-        return null;
+        List<StuClass> stuClasses = this.stuClassMapper.selectAll();
+        HashMap<String, String> map = new HashMap<>();
+        for (StuClass sc : stuClasses) {
+            map.put(sc.getId(), sc.getClassName());
+        }
+        return map;
     }
 
+    /**
+     * 流：并行，串行
+     * filter，通过条件过滤出元素
+     * distinct，去重
+     * limit，会返回一个不超过给定长度的流，取前几个
+     * skip，返回一个扔掉前 n 个元素的流，扔掉前几个
+     * map,对流中做统一处理(加前/后缀)
+     * flatMap,里面需要的参数是个流，流的扁平化处理，比如将字符串拆分成一个个的字母集合。层级深时候使用flatmap
+     * sorted,排序
+     */
+
     @Autowired
     public void setStuClassMapper(StuClassMapper stuClassMapper) {
         this.stuClassMapper = stuClassMapper;
-- 
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