diff --git a/.idea/misc.xml b/.idea/misc.xml
index 1e23d89f341196be26c576d27b10d063c8809cfe..aaba9f1adbc685747778f82c0151897d671d2994 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,10 @@
-
+
+
+
+
+
\ No newline at end of file
diff --git a/StudentManagement.iml b/StudentManagement.iml
index c90834f2d607afe55e6104d8aa2cdfffb713f688..c3dc060f7602361ec6554eeadb599d415a4d0f6f 100644
--- a/StudentManagement.iml
+++ b/StudentManagement.iml
@@ -7,5 +7,15 @@
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/src/edu/tyut/selaba2/student/StudentManageApplication.java b/src/edu/tyut/selaba2/student/StudentManageApplication.java
index 308e116e3a2fb08d055e9598358ab5c0773b739a..062c135502639b870969369edd941bf7aaa5d0e3 100644
--- a/src/edu/tyut/selaba2/student/StudentManageApplication.java
+++ b/src/edu/tyut/selaba2/student/StudentManageApplication.java
@@ -7,5 +7,6 @@ package edu.tyut.selaba2.student;
public class StudentManageApplication {
public static void main(String[] args) {
+
}
}
diff --git a/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java b/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
index 3d1423fceb862f63624f40595f381f0858eca36d..40abb892b98abb6b09ab4e7226180ba5494b9edf 100644
--- a/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
+++ b/src/edu/tyut/selaba2/student/service/impl/StudentServiceImpl.java
@@ -4,12 +4,24 @@ import edu.tyut.selaba2.student.entity.Student;
import edu.tyut.selaba2.student.repository.StudentRepository;
import edu.tyut.selaba2.student.service.StudentService;
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+import java.util.ArrayList;
import java.util.List;
+import java.util.Locale;
+/**
+ * 实现StudentService接口
+ */
public class StudentServiceImpl implements StudentService {
private final StudentRepository studentRepository;
- StudentServiceImpl(StudentRepository studentRepository){
- this.studentRepository=studentRepository;
+
+ /**
+ * 注入依赖
+ * @param studentRepository 实现了studentRepository接口的实例
+ */
+ public StudentServiceImpl(StudentRepository studentRepository) {
+ this.studentRepository = studentRepository;
}
@Override
@@ -19,30 +31,85 @@ public class StudentServiceImpl implements StudentService {
@Override
public List findStudentByName(String name) {
-
- Student student = new Student();
- student.setName(name);
- return studentRepository.findStudentByExample(student);
+ Student exampleStudent = new Student();
+ exampleStudent.setName(name);
+ return studentRepository.findStudentByExample(exampleStudent);
}
@Override
- public List findStudentByClassNumberAndDepartment(Integer classNumber, String department) {
- return null;
+ public List 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 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
public Integer addStudent(List students) {
- return null;
+ int count = 0;
+ for (Student st : students) {
+ if (studentRepository.insert(st)) {
+ count++;
+ }
+ }
+ return count;
}
@Override
public Boolean updateStudent(Long uid, String field, Object o) {
- return null;
+ if (studentRepository.getStudentByUid(uid) == null) {
+ return false;//避免空指针
+ }
+ Student student = studentRepository.getStudentByUid(uid);
+ try {
+ String methodName = "set" + field.substring(0, 1).toUpperCase(Locale.ROOT) + field.substring(1);
+ Class argType;
+ //校验属性
+ switch (field) {
+ case "name":
+ case "department":
+ argType = String.class;
+ break;
+ case "classNumber":
+ case "sex":
+ case "age":
+ argType = Integer.class;
+ break;
+ default:
+ return false;
+ }
+ //校验参数
+ if (!o.getClass().equals(argType)) {
+ return false;
+ }
+ //获取对应方法
+ Method met = student.getClass().getMethod(methodName, argType);
+ //调用方法
+ met.invoke(student, o);
+ } catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
+ return false;
+ }
+ //更新
+ return studentRepository.update(student);
}
@Override
@@ -57,8 +124,6 @@ public class StudentServiceImpl implements StudentService {
@Override
public Boolean deleteStudentById(Long uid) {
- if(studentRepository.delete(uid))
- return true;
- else return false;
+ return studentRepository.delete(uid);
}
}