ADD file via upload

AdminService.java

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+package com.zsz.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.zsz.pojo.Admin;
+import com.zsz.pojo.LoginForm;
+
+public interface AdminService extends IService<Admin> {
+    Admin login(LoginForm loginForm);
+
+    Admin getAdminById(Long userId);
+
+    Page<Admin> getAllAdminData(Page<Admin> adminPage, String adminName);
+}

ClazzService.java

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+package com.zsz.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.zsz.pojo.Clazz;
+
+import java.util.List;
+
+public interface ClazzService extends IService<Clazz> {
+    Page<Clazz> getClazzData(Page<Clazz> clazzPage, Clazz clazz);
+
+    List<Clazz> getClazzs();
+}

ClazzServiceImpl.java

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+package com.zsz.service.impl;
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.zsz.mapper.ClazzMapper;
+import com.zsz.pojo.Clazz;
+import com.zsz.service.ClazzService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+import org.springframework.util.StringUtils;
+
+import java.util.List;
+
+@Service("clazzServiceImpl")
+@Transactional
+public class ClazzServiceImpl extends ServiceImpl<ClazzMapper, Clazz> implements ClazzService {
+    @Override
+    public Page<Clazz> getClazzData(Page<Clazz> clazzPage, Clazz clazz) {
+        QueryWrapper<Clazz> clazzQueryWrapper = new QueryWrapper<>();
+        if (!StringUtils.isEmpty(clazz.getGradeName())){
+            clazzQueryWrapper.like("grade_name",clazz.getGradeName());
+        }
+        if (!StringUtils.isEmpty(clazz.getName())){
+            clazzQueryWrapper.like("name",clazz.getName());
+        }
+        Page<Clazz> selectPage = baseMapper.selectPage(clazzPage, clazzQueryWrapper);
+        return selectPage;
+    }
+
+    @Override
+    public List<Clazz> getClazzs() {
+        QueryWrapper<Clazz> clazzQueryWrapper = new QueryWrapper<>();
+
+        return baseMapper.selectList(clazzQueryWrapper);
+    }
+}

GradeService.java

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+package com.zsz.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.zsz.pojo.Grade;
+
+import java.util.List;
+
+public interface GradeService extends IService<Grade> {
+    Page<Grade> getGradesData(Page<Grade> gradePage, String gradeName);
+
+    List<Grade> getGrades();
+
+}
+

StudentService.java

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+package com.zsz.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.zsz.pojo.LoginForm;
+import com.zsz.pojo.Student;
+
+public interface StudentService extends IService<Student> {
+    Student login(LoginForm loginForm);
+
+    Student getStudentById(Long userId);
+
+    Page<Student> getStudentData(Page<Student> studentPage, Student student);
+}
+

TeacherService.java

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+package com.zsz.service;
+
+import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
+import com.baomidou.mybatisplus.extension.service.IService;
+import com.zsz.pojo.LoginForm;
+import com.zsz.pojo.Teacher;
+
+public interface TeacherService extends IService<Teacher> {
+    Teacher login(LoginForm loginForm);
+
+    Teacher getTeacherById(Long userId);
+
+    Page<Teacher> getTeacherData(Page<Teacher> teacherPage, Teacher teacher);
+}
+