something improve

Signed-off-by: Chenx221 <chenx221@yandex.com>

project2/.idea/artifacts/project2_war_exploded.xml

@@ -8,21 +8,39 @@
           <element id="module-output" name="project2" />
         </element>
         <element id="directory" name="lib">
-          <element id="library" level="project" name="Maven: com.alibaba:druid:1.1.20" />
+          <element id="library" level="project" name="Maven: com.carrotsearch.thirdparty:simple-xml-safe:2.7.1" />
-          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-annotations:2.12.7" />
+          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-annotations:2.13.4" />
-          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-core:2.12.7" />
+          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-core:2.13.4" />
-          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-databind:2.12.7.1" />
+          <element id="library" level="project" name="Maven: com.fasterxml.jackson.core:jackson-databind:2.13.4.2" />
-          <element id="library" level="project" name="Maven: com.github.jsqlparser:jsqlparser:4.5" />
+          <element id="library" level="project" name="Maven: com.google.code.findbugs:jsr305:3.0.2" />
-          <element id="library" level="project" name="Maven: com.github.pagehelper:pagehelper:5.3.3" />
+          <element id="library" level="project" name="Maven: com.google.errorprone:error_prone_annotations:2.5.1" />
+          <element id="library" level="project" name="Maven: com.google.guava:failureaccess:1.0.1" />
+          <element id="library" level="project" name="Maven: com.google.guava:guava:30.1.1-jre" />
+          <element id="library" level="project" name="Maven: com.google.guava:listenablefuture:9999.0-empty-to-avoid-conflict-with-guava" />
+          <element id="library" level="project" name="Maven: com.google.j2objc:j2objc-annotations:1.3" />
           <element id="library" level="project" name="Maven: com.google.protobuf:protobuf-java:3.11.4" />
+          <element id="library" level="project" name="Maven: com.squareup.okhttp3:okhttp:4.10.0" />
+          <element id="library" level="project" name="Maven: com.squareup.okio:okio-jvm:3.1.0" />
+          <element id="library" level="project" name="Maven: commons-io:commons-io:2.12.0" />
+          <element id="library" level="project" name="Maven: io.minio:minio:8.5.3" />
           <element id="library" level="project" name="Maven: javax.servlet.jsp:javax.servlet.jsp-api:2.3.3" />
           <element id="library" level="project" name="Maven: javax.servlet:javax.servlet-api:4.0.1" />
           <element id="library" level="project" name="Maven: jstl:jstl:1.2" />
           <element id="library" level="project" name="Maven: junit:junit:4.13.1" />
+          <element id="library" level="project" name="Maven: log4j:log4j:1.2.17" />
           <element id="library" level="project" name="Maven: mysql:mysql-connector-java:8.0.28" />
+          <element id="library" level="project" name="Maven: org.apache.commons:commons-compress:1.21" />
+          <element id="library" level="project" name="Maven: org.apache.commons:commons-csv:1.10.0" />
           <element id="library" level="project" name="Maven: org.apache.tomcat.embed:tomcat-embed-core:9.0.73" />
           <element id="library" level="project" name="Maven: org.apache.tomcat:tomcat-annotations-api:9.0.73" />
+          <element id="library" level="project" name="Maven: org.bouncycastle:bcprov-jdk15on:1.69" />
+          <element id="library" level="project" name="Maven: org.checkerframework:checker-qual:3.8.0" />
           <element id="library" level="project" name="Maven: org.hamcrest:hamcrest-core:1.3" />
+          <element id="library" level="project" name="Maven: org.jetbrains.kotlin:kotlin-stdlib-common:1.6.20" />
+          <element id="library" level="project" name="Maven: org.jetbrains.kotlin:kotlin-stdlib-jdk7:1.6.20" />
+          <element id="library" level="project" name="Maven: org.jetbrains.kotlin:kotlin-stdlib-jdk8:1.6.20" />
+          <element id="library" level="project" name="Maven: org.jetbrains.kotlin:kotlin-stdlib:1.6.20" />
+          <element id="library" level="project" name="Maven: org.jetbrains:annotations:13.0" />
           <element id="library" level="project" name="Maven: org.mybatis:mybatis-spring:2.0.7" />
           <element id="library" level="project" name="Maven: org.mybatis:mybatis:3.5.7" />
           <element id="library" level="project" name="Maven: org.springframework.security:spring-security-config:5.7.8" />
@@ -40,10 +58,8 @@
           <element id="library" level="project" name="Maven: org.springframework:spring-tx:5.3.27" />
           <element id="library" level="project" name="Maven: org.springframework:spring-web:5.3.27" />
           <element id="library" level="project" name="Maven: org.springframework:spring-webmvc:5.3.27" />
+          <element id="library" level="project" name="Maven: org.xerial.snappy:snappy-java:1.1.8.4" />
           <element id="library" level="project" name="Maven: taglibs:standard:1.1.2" />
-          <element id="library" level="project" name="Maven: org.apache.commons:commons-csv:1.10.0" />
-          <element id="library" level="project" name="Maven: commons-io:commons-io:2.12.0" />
-          <element id="library" level="project" name="Maven: log4j:log4j:1.2.17" />
         </element>
       </element>
     </root>

project2/Minio Console.url

@@ -0,0 +1,5 @@
+[{000214A0-0000-0000-C000-000000000046}]
+Prop3=19,2
+[InternetShortcut]
+IDList=
+URL=http://192.168.8.149:9001/

project2/pom.xml

@@ -97,22 +97,22 @@
             <version>8.0.28</version>
         </dependency>
 
-        <dependency>
+<!--        <dependency>-->
-            <groupId>com.alibaba</groupId>
+<!--            <groupId>com.alibaba</groupId>-->
-            <artifactId>druid</artifactId>
+<!--            <artifactId>druid</artifactId>-->
-            <version>1.1.20</version>
+<!--            <version>1.1.20</version>-->
-        </dependency>
+<!--        </dependency>-->
         <dependency>
             <groupId>junit</groupId>
             <artifactId>junit</artifactId>
             <version>4.13.1</version>
             <scope>compile</scope>
         </dependency>
-        <dependency>
+<!--        <dependency>-->
-            <groupId>com.github.pagehelper</groupId>
+<!--            <groupId>com.github.pagehelper</groupId>-->
-            <artifactId>pagehelper</artifactId>
+<!--            <artifactId>pagehelper</artifactId>-->
-            <version>5.3.3</version>
+<!--            <version>5.3.3</version>-->
-        </dependency>
+<!--        </dependency>-->
         <dependency>
             <groupId>jstl</groupId>
             <artifactId>jstl</artifactId>
@@ -127,40 +127,23 @@
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-core</artifactId>
-            <version>2.12.7</version>
+            <version>2.13.4</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-databind</artifactId>
-            <version>2.12.7.1</version>
+            <version>2.13.4.2</version>
         </dependency>
         <dependency>
             <groupId>com.fasterxml.jackson.core</groupId>
             <artifactId>jackson-annotations</artifactId>
-            <version>2.12.7</version>
+            <version>2.13.4</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.slf4j</groupId>-->
-<!--            <artifactId>slf4j-log4j12</artifactId>-->
-<!--            <version>1.6.1</version>-->
-<!--        </dependency>-->
-        <!-- 日志工具包 -->
         <dependency>
             <groupId>log4j</groupId>
             <artifactId>log4j</artifactId>
             <version>1.2.17</version>
         </dependency>
-<!--        <dependency>-->
-<!--            <groupId>org.apache.logging.log4j</groupId>-->
-<!--            <artifactId>log4j-api</artifactId>-->
-<!--            <version>2.12.4</version>-->
-<!--        </dependency>-->
-<!--        &lt;!&ndash;日志核心包&ndash;&gt;-->
-<!--        <dependency>-->
-<!--            <groupId>org.apache.logging.log4j</groupId>-->
-<!--            <artifactId>log4j-core</artifactId>-->
-<!--            <version>2.12.4</version>-->
-<!--        </dependency>-->
         <dependency>
             <groupId>org.apache.commons</groupId>
             <artifactId>commons-csv</artifactId>
@@ -171,5 +154,31 @@
             <artifactId>commons-io</artifactId>
             <version>2.12.0</version>
         </dependency>
+        <dependency>
+            <groupId>io.minio</groupId>
+            <artifactId>minio</artifactId>
+            <version>8.5.3</version>
+            <exclusions>
+                <exclusion>
+                    <groupId>com.squareup.okio</groupId>
+                    <artifactId>okio-jvm</artifactId>
+                </exclusion>
+            </exclusions>
+        </dependency>
+        <dependency>
+            <groupId>com.squareup.okio</groupId>
+            <artifactId>okio-jvm</artifactId>
+            <version>3.1.0</version>
+        </dependency>
+<!--        <dependency>-->
+<!--            <groupId>org.jetbrains.kotlin</groupId>-->
+<!--            <artifactId>kotlin-stdlib-common</artifactId>-->
+<!--            <version>1.6.20</version>-->
+<!--        </dependency>-->
+<!--        <dependency>-->
+<!--            <groupId>org.jetbrains.kotlin</groupId>-->
+<!--            <artifactId>kotlin-stdlib-common</artifactId>-->
+<!--            <version>1.5.31</version>-->
+<!--        </dependency>-->
     </dependencies>
 </project>

project2/project2.sql

@@ -11,7 +11,7 @@
  Target Server Version : 80033 (8.0.33)
  File Encoding         : 65001
 
- Date: 17/06/2023 10:27:53
+ Date: 19/06/2023 10:39:55
 */
 
 SET NAMES utf8mb4;
@@ -220,21 +220,21 @@ CREATE TABLE `student`  (
   `classes` varchar(255) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL COMMENT '班级',
   `removed` int NULL DEFAULT 0 COMMENT '移除的记录(default: 0 false)',
   `photo` blob NULL COMMENT '照片(可选)(暂未实现)',
-  `user_id` int NOT NULL COMMENT '对应的user表id',
+  `user_id` int NULL DEFAULT NULL COMMENT '对应的user表id',
   PRIMARY KEY (`id`) USING BTREE,
   INDEX `fk_student_classes`(`classes` ASC) USING BTREE,
   CONSTRAINT `fk_student_classes` FOREIGN KEY (`classes`) REFERENCES `class` (`class_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
-) ENGINE = InnoDB AUTO_INCREMENT = 1004 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
+) ENGINE = InnoDB AUTO_INCREMENT = 1005 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
 
 -- ----------------------------
 -- Records of student
 -- ----------------------------
-INSERT INTO `student` VALUES (1, '123', '男', '2023-08-05', '123', '1班', 1, NULL, 0);
+INSERT INTO `student` VALUES (1, '666', '男', '2023-08-05', '123', '1班', 1, NULL, 0);
-INSERT INTO `student` VALUES (2, '任睿', '男', '2023-06-08', '755-932-5038', '4班', 1, NULL, 0);
+INSERT INTO `student` VALUES (2, '任睿', '男', '2023-06-08', '755-932-5038', '4班', 0, NULL, 0);
 INSERT INTO `student` VALUES (3, '123', '男', '2022-04-02', '755-903-5159', '2班', 0, NULL, 0);
 INSERT INTO `student` VALUES (4, '于晓明', '男', '2012-06-14', '184-5561-7225', '4班', 0, NULL, 0);
 INSERT INTO `student` VALUES (5, '朱詩涵', '女', '2017-12-15', '769-7113-1277', '4班', 0, NULL, 0);
-INSERT INTO `student` VALUES (6, '蒋嘉伦', '男', '2013-12-08', '10-6915-9301', '1班', 0, NULL, 0);
+INSERT INTO `student` VALUES (6, '无名氏', '男', '2013-12-08', '10-6915-9301', '1班', 0, NULL, 0);
 INSERT INTO `student` VALUES (7, '萧杰宏', '男', '2015-11-20', '163-1608-7816', '5班', 0, NULL, 0);
 INSERT INTO `student` VALUES (8, '魏震南', '男', '2008-05-08', '188-4895-8847', '5班', 0, NULL, 0);
 INSERT INTO `student` VALUES (9, '马睿', '男', '2019-01-08', '194-2348-7153', '1班', 0, NULL, 0);
@@ -1232,6 +1232,7 @@ INSERT INTO `student` VALUES (1000, '吕嘉伦', '男', '2002-02-03', '755-304-2
 INSERT INTO `student` VALUES (1001, '测试数据1', '男', '2023-08-05', '4086769184', '2班', 0, NULL, 0);
 INSERT INTO `student` VALUES (1002, '测试2', '男', '2023-09-05', '123', '1班', 0, NULL, 0);
 INSERT INTO `student` VALUES (1003, '陈', '男', '2023-06-09', '221', '5班', 0, NULL, 0);
+INSERT INTO `student` VALUES (1004, '测试21', '男', '2023-06-18', '123', '1班', 0, NULL, NULL);
 
 -- ----------------------------
 -- Table structure for teacher
@@ -1248,9 +1249,9 @@ CREATE TABLE `teacher`  (
   PRIMARY KEY (`id`) USING BTREE,
   INDEX `fk_teacher_course`(`course_id` ASC) USING BTREE,
   INDEX `fk_teacher_classes`(`classes` ASC) USING BTREE,
-  CONSTRAINT `fk_teacher_course` FOREIGN KEY (`course_id`) REFERENCES `course` (`CourseID`) ON DELETE RESTRICT ON UPDATE RESTRICT,
+  CONSTRAINT `fk_teacher_classes` FOREIGN KEY (`classes`) REFERENCES `class` (`class_id`) ON DELETE RESTRICT ON UPDATE RESTRICT,
-  CONSTRAINT `fk_teacher_classes` FOREIGN KEY (`classes`) REFERENCES `class` (`class_id`) ON DELETE RESTRICT ON UPDATE RESTRICT
+  CONSTRAINT `fk_teacher_course` FOREIGN KEY (`course_id`) REFERENCES `course` (`CourseID`) ON DELETE RESTRICT ON UPDATE RESTRICT
-) ENGINE = InnoDB AUTO_INCREMENT = 21 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
+) ENGINE = InnoDB AUTO_INCREMENT = 23 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
 
 -- ----------------------------
 -- Records of teacher
@@ -1275,6 +1276,8 @@ INSERT INTO `teacher` VALUES (17, '刘秀英', '女', '1999-02-18', 9, '2班', 0
 INSERT INTO `teacher` VALUES (18, '孟宇宁', '男', '1984-12-24', 10, '1班', 0);
 INSERT INTO `teacher` VALUES (19, '吕睿', '男', '1989-02-22', 1, '1班', 0);
 INSERT INTO `teacher` VALUES (20, '段嘉伦', '男', '1995-02-08', 10, '1班', 0);
+INSERT INTO `teacher` VALUES (21, '无名氏3', '男', '2023-06-17', 1, '1班', 0);
+INSERT INTO `teacher` VALUES (22, '无名氏4', '男', '2023-06-17', 1, '2班', 0);
 
 -- ----------------------------
 -- Table structure for user
@@ -1288,7 +1291,7 @@ CREATE TABLE `user`  (
   `disabled` int NULL DEFAULT 0 COMMENT '禁用(default: 0 false)',
   `detail` int NULL DEFAULT NULL COMMENT 'link to roles id',
   PRIMARY KEY (`id`) USING BTREE
-) ENGINE = InnoDB AUTO_INCREMENT = 9 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
+) ENGINE = InnoDB AUTO_INCREMENT = 10 CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = DYNAMIC;
 
 -- ----------------------------
 -- Records of user
@@ -1301,5 +1304,6 @@ INSERT INTO `user` VALUES (5, 'newuser1', '7dcf407fa84a0e0519c7991154c4148de0244
 INSERT INTO `user` VALUES (6, 'guest2', '6b93ccba414ac1d0ae1e77f3fac560c748a6701ed6946735a49d463351518e16', 'admin', 0, NULL);
 INSERT INTO `user` VALUES (7, 'student1', '49fe07d0f041bced9ba827a10c2cd31b2089229d4b4e3a63b074ed7a4370e88f', 'student', 0, 0);
 INSERT INTO `user` VALUES (8, 'student2', '2d850eb5460ffb6bb9ae11186a2d78cc22d9df387f9cdbd3a297e0d1ea08a54b', 'student', 0, 4);
+INSERT INTO `user` VALUES (9, 'teacher1', '0829db2785c8de0ad7d0231c903be3083f6729679bc69b092bf4cfd3dc629006', 'teacher', 0, 1);
 
 SET FOREIGN_KEY_CHECKS = 1;