ADD file via upload

EasTeacherMapper.java

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+package com.jubilantz.mappers;
+
+import com.jubilantz.entity.EasStudent;
+import com.jubilantz.entity.EasTeacher;
+import org.apache.ibatis.annotations.Mapper;
+
+import java.util.List;
+@Mapper
+public interface EasTeacherMapper {
+
+    //包含两个一对一关系
+    List<EasTeacher> findTeacherList(EasTeacher easTeacher);
+
+    List<EasTeacher> findListByUsername(String username);
+
+    EasTeacher getTeacherByUsername(String username);
+
+    void updateTeacher(EasTeacher easTeacher);
+
+    List<EasTeacher> getAll();
+
+    EasTeacher findTeacherByUsername(String username);
+
+    int getTotal();
+
+    void addUsername(String username);
+
+    void deleteTeacher(String username);
+}