From bcae200f37ba68543b3f013e36e668db5b672db2 Mon Sep 17 00:00:00 2001
From: SCDR <yushaochen@163.com>
Date: Wed, 9 Jun 2021 20:28:59 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E6=B7=BB=E5=8A=A0service=E5=AE=9E=E7=8E=B0?=
 =?UTF-8?q?=E6=A8=A1=E6=9D=BF=20findStudentByClassNumberAndDepartment=20?=
 =?UTF-8?q?=E5=92=8C=20addStudent=20=E6=A8=A1=E5=9D=97=E5=AE=9E=E7=8E=B0?=
 =?UTF-8?q?=E7=B1=BB.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .idea/misc.xml                                |  2 +-
 .../service/impl/StudentServiceImpl.java      | 32 ++++++++++++++-----
 2 files changed, 25 insertions(+), 9 deletions(-)

diff --git a/.idea/misc.xml b/.idea/misc.xml
index 1e23d89..2a824a2 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_11" project-jdk-name="openjdk-16" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_14" default="true" project-jdk-name="14" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java b/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
index a62100a..8c6f9b2 100644
--- a/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
+++ b/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
@@ -7,15 +7,13 @@ import edu.tyut.selaba2.student.service.StudentService;
 import java.util.List;
 
 public class StudentServiceImpl implements StudentService {
-    StudentRepository studentRepository;
+    private final StudentRepository studentRepository;
     StudentServiceImpl(StudentRepository studentRepository){
         this.studentRepository=studentRepository;
     }
 
     @Override
-    public Student getStudentById(Long uid) {
-        return null;
-    }
+    public Student getStudentById(Long uid) { return null; }
 
     @Override
     public List<Student> findStudentByName(String name) {
@@ -23,13 +21,31 @@ public class StudentServiceImpl implements StudentService {
     }
 
     @Override
-    public List<Student> findStudentByClassNumberAndDepartment(Integer classNumber, String department) {
-        return null;
+    public List<Student> findStudentByClassNumberAndDepartment(Integer classNumber, String department) {  //@liaoyu
+
+        //设置学生信息
+        Student student = new Student();
+        student.setClassNumber(classNumber);
+        student.setDepartment(department);
+
+        //通过studentRepository接口的findStudentByExample（）查找.
+        List<Student> findSt = studentRepository.findStudentByExample(student);
+
+        return findSt;
     }
 
     @Override
-    public Boolean addStudent(Student student) {
-        return null;
+    public Boolean addStudent(Student student) {            // @liaoyu
+
+        //如果学生的Uid存在，则返回false
+        if(student.getUid()!=null){
+            return false;
+        }
+
+        //插入学生信息.并返回true.
+        studentRepository.insert(student);
+
+        return true;
     }
 
     @Override
-- 
Gitee