ADD file via upload

Grade.java

@@ -0,0 +1,22 @@
+package com.zsz.pojo;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@TableName("tb_grade")
+public class Grade {
+    @TableId(value = "id",type = IdType.AUTO)
+    private Integer id;
+    private String name;
+    private String manager;
+    private String email;
+    private String telephone;
+    private String introducation;
+}