From 29235c24dff2beb8a6521fe974b00636c85bf59a Mon Sep 17 00:00:00 2001 From: 86191 <2160251938@qq.com> Date: Fri, 19 Jul 2024 09:34:40 +0800 Subject: [PATCH] rikao2 --- .gitignore | 38 +++ .idea/.gitignore | 8 + .idea/encodings.xml | 8 + .idea/misc.xml | 15 ++ .idea/vcs.xml | 6 + pom.xml | 17 ++ sql/7-19考试.sql | 25 ++ sql/kao.sql | 345 ++++++++++++++++++++++++++++ src/main/java/org/example/Main.java | 7 + 9 files changed, 469 insertions(+) create mode 100644 .gitignore create mode 100644 .idea/.gitignore create mode 100644 .idea/encodings.xml create mode 100644 .idea/misc.xml create mode 100644 .idea/vcs.xml create mode 100644 pom.xml create mode 100644 sql/7-19考试.sql create mode 100644 sql/kao.sql create mode 100644 src/main/java/org/example/Main.java diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..5ff6309 --- /dev/null +++ b/.gitignore @@ -0,0 +1,38 @@ +target/ +!.mvn/wrapper/maven-wrapper.jar +!**/src/main/**/target/ +!**/src/test/**/target/ + +### IntelliJ IDEA ### +.idea/modules.xml +.idea/jarRepositories.xml +.idea/compiler.xml +.idea/libraries/ +*.iws +*.iml +*.ipr + +### Eclipse ### +.apt_generated +.classpath +.factorypath +.project +.settings +.springBeans +.sts4-cache + +### NetBeans ### +/nbproject/private/ +/nbbuild/ +/dist/ +/nbdist/ +/.nb-gradle/ +build/ +!**/src/main/**/build/ +!**/src/test/**/build/ + +### VS Code ### +.vscode/ + +### Mac OS ### +.DS_Store \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..35410ca --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# 默认忽略的文件 +/shelf/ +/workspace.xml +# 基于编辑器的 HTTP 客户端请求 +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/encodings.xml b/.idea/encodings.xml new file mode 100644 index 0000000..63574ec --- /dev/null +++ b/.idea/encodings.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/misc.xml b/.idea/misc.xml new file mode 100644 index 0000000..13cdae7 --- /dev/null +++ b/.idea/misc.xml @@ -0,0 +1,15 @@ + + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..94a25f7 --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/pom.xml b/pom.xml new file mode 100644 index 0000000..d426ae5 --- /dev/null +++ b/pom.xml @@ -0,0 +1,17 @@ + + + 4.0.0 + + org.example + demo2 + 1.0-SNAPSHOT + + + 17 + 17 + UTF-8 + + + diff --git a/sql/7-19考试.sql b/sql/7-19考试.sql new file mode 100644 index 0000000..c3d9d90 --- /dev/null +++ b/sql/7-19考试.sql @@ -0,0 +1,25 @@ +-- 查询男生和女生各多少人 +SELECT sex,COUNT(*) FROM t_student GROUP BY sex; + + + +-- 查询男生和女生分别占总人数的比例 +SELECT + sex, + COUNT(*), + CONCAT(ROUND(COUNT(*) * 100.0 / (SELECT COUNT(*) FROM tb_student), 2), '%') AS percentage +FROM + t_student +GROUP BY + sex; + + +-- 查询每门课程下的学生总人数 +SELECT + c.c_name, + COUNT(*) AS student_number +FROM + stu_cou sc + INNER JOIN t_course c ON sc.c_id = c.c_id +GROUP BY + c.c_name \ No newline at end of file diff --git a/sql/kao.sql b/sql/kao.sql new file mode 100644 index 0000000..fecbbb6 --- /dev/null +++ b/sql/kao.sql @@ -0,0 +1,345 @@ +/* + Navicat Premium Data Transfer + + Source Server : 127.0.0.1 + Source Server Type : MySQL + Source Server Version : 50742 + Source Host : localhost:3306 + Source Schema : kao + + Target Server Type : MySQL + Target Server Version : 50742 + File Encoding : 65001 + + Date: 19/07/2024 08:58:49 +*/ + +SET NAMES utf8mb4; +SET FOREIGN_KEY_CHECKS = 0; + +-- ---------------------------- +-- Table structure for stu_cou +-- ---------------------------- +DROP TABLE IF EXISTS `stu_cou`; +CREATE TABLE `stu_cou` ( + `sc_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '选课编号', + `c_id` int(11) NULL DEFAULT NULL COMMENT '课程编号', + `s_id` int(11) NULL DEFAULT NULL COMMENT '学生编号', + PRIMARY KEY (`sc_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 14 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of stu_cou +-- ---------------------------- +INSERT INTO `stu_cou` VALUES (1, 1, 1); +INSERT INTO `stu_cou` VALUES (2, 3, 2); +INSERT INTO `stu_cou` VALUES (3, 2, 3); +INSERT INTO `stu_cou` VALUES (4, 1, 4); +INSERT INTO `stu_cou` VALUES (5, 3, 5); +INSERT INTO `stu_cou` VALUES (6, 2, 6); +INSERT INTO `stu_cou` VALUES (7, 1, 7); +INSERT INTO `stu_cou` VALUES (8, 3, 8); +INSERT INTO `stu_cou` VALUES (9, 2, 9); +INSERT INTO `stu_cou` VALUES (10, 2, 10); +INSERT INTO `stu_cou` VALUES (11, 2, 1); +INSERT INTO `stu_cou` VALUES (12, 3, 3); +INSERT INTO `stu_cou` VALUES (13, 2, 4); + +-- ---------------------------- +-- Table structure for t_admin +-- ---------------------------- +DROP TABLE IF EXISTS `t_admin`; +CREATE TABLE `t_admin` ( + `admin_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户编号', + `admin_role` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户角色', + `admin_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `admin_pwd` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `phone` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + PRIMARY KEY (`admin_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_admin +-- ---------------------------- +INSERT INTO `t_admin` VALUES (1, '店员', '铭钰', '8023520', '10086'); +INSERT INTO `t_admin` VALUES (2, '用户', '萨萨', '1314520', '10086'); + +-- ---------------------------- +-- Table structure for t_car +-- ---------------------------- +DROP TABLE IF EXISTS `t_car`; +CREATE TABLE `t_car` ( + `car_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '车辆编号', + `car_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '车辆名称', + `car_price` int(11) NULL DEFAULT NULL COMMENT '车辆价格', + `car_pic` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '车辆图片', + `car_state_id` int(11) NULL DEFAULT NULL COMMENT '状态外键', + `car_order_id` int(11) NULL DEFAULT NULL COMMENT '订单数量外键', + `car_admin_id` int(11) NULL DEFAULT NULL COMMENT '用户外键', + `car_date` datetime NULL DEFAULT NULL COMMENT '车辆购买日期', + PRIMARY KEY (`car_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 8 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_car +-- ---------------------------- +INSERT INTO `t_car` VALUES (1, '迈凯伦', 151461, NULL, 1, 1, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (2, '玛莎拉蒂', 35406, NULL, 1, 2, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (3, '兰博基尼', 65406, NULL, 1, 3, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (4, '阿尔法', 35046, NULL, 1, 4, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (5, '毒液', 6168401, NULL, 1, 5, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (6, '特斯拉', 5460546, NULL, 1, 1, 1, '2023-12-12 20:13:14'); +INSERT INTO `t_car` VALUES (7, '布加迪', 53161, NULL, 1, 2, 1, '2023-12-12 20:13:14'); + +-- ---------------------------- +-- Table structure for t_client +-- ---------------------------- +DROP TABLE IF EXISTS `t_client`; +CREATE TABLE `t_client` ( + `client_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '客户编号', + `client_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '客户名称', + `client_sex` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '客户性别', + `high` int(11) NULL DEFAULT NULL COMMENT '客户身高', + `client_type_id` int(11) NULL DEFAULT NULL COMMENT '类型', + PRIMARY KEY (`client_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_client +-- ---------------------------- +INSERT INTO `t_client` VALUES (1, '欣怡', '女', 165, 1); +INSERT INTO `t_client` VALUES (2, '铭钰', '男', 175, 3); +INSERT INTO `t_client` VALUES (3, '萨萨', '女', 160, 3); + +-- ---------------------------- +-- Table structure for t_client1 +-- ---------------------------- +DROP TABLE IF EXISTS `t_client1`; +CREATE TABLE `t_client1` ( + `client_id` int(11) NOT NULL AUTO_INCREMENT, + `client_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `client_sex` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `client_high` int(11) NULL DEFAULT NULL, + `client_math_id` int(11) NULL DEFAULT NULL, + PRIMARY KEY (`client_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_client1 +-- ---------------------------- +INSERT INTO `t_client1` VALUES (1, '张三', '男', 135, 1); +INSERT INTO `t_client1` VALUES (2, '李四', '男', 165, 2); +INSERT INTO `t_client1` VALUES (3, '王五', '男', 190, 1); + +-- ---------------------------- +-- Table structure for t_course +-- ---------------------------- +DROP TABLE IF EXISTS `t_course`; +CREATE TABLE `t_course` ( + `c_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '课程编号', + `c_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '课程名称', + PRIMARY KEY (`c_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_course +-- ---------------------------- +INSERT INTO `t_course` VALUES (1, '语文'); +INSERT INTO `t_course` VALUES (2, '数学'); +INSERT INTO `t_course` VALUES (3, '英语'); + +-- ---------------------------- +-- Table structure for t_frineds +-- ---------------------------- +DROP TABLE IF EXISTS `t_frineds`; +CREATE TABLE `t_frineds` ( + `friends_id` int(11) NOT NULL AUTO_INCREMENT, + `friends_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `friends_time` datetime NULL DEFAULT NULL, + `friends_pic` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `friends_admin_id` int(11) NULL DEFAULT NULL, + PRIMARY KEY (`friends_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_frineds +-- ---------------------------- +INSERT INTO `t_frineds` VALUES (1, '张三', '2023-10-10 12:12:12', NULL, 1); +INSERT INTO `t_frineds` VALUES (2, '李四', '2024-11-11 00:00:00', NULL, 2); +INSERT INTO `t_frineds` VALUES (3, '王五', '2025-12-12 13:14:52', NULL, 2); + +-- ---------------------------- +-- Table structure for t_math +-- ---------------------------- +DROP TABLE IF EXISTS `t_math`; +CREATE TABLE `t_math` ( + `math_id` int(11) NOT NULL AUTO_INCREMENT, + `math_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + PRIMARY KEY (`math_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 3 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_math +-- ---------------------------- +INSERT INTO `t_math` VALUES (1, '良好'); +INSERT INTO `t_math` VALUES (2, '优秀'); + +-- ---------------------------- +-- Table structure for t_order +-- ---------------------------- +DROP TABLE IF EXISTS `t_order`; +CREATE TABLE `t_order` ( + `order_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '订单编号', + `order_num` int(255) NULL DEFAULT NULL COMMENT '订单数量', + PRIMARY KEY (`order_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_order +-- ---------------------------- +INSERT INTO `t_order` VALUES (1, 5146); +INSERT INTO `t_order` VALUES (2, 3065); +INSERT INTO `t_order` VALUES (3, 35046); +INSERT INTO `t_order` VALUES (4, 346); +INSERT INTO `t_order` VALUES (5, 35135); + +-- ---------------------------- +-- Table structure for t_state +-- ---------------------------- +DROP TABLE IF EXISTS `t_state`; +CREATE TABLE `t_state` ( + `state_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '状态编号', + `state_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '状态名称', + PRIMARY KEY (`state_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 8 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_state +-- ---------------------------- +INSERT INTO `t_state` VALUES (1, '库存'); +INSERT INTO `t_state` VALUES (2, '等待审核'); +INSERT INTO `t_state` VALUES (3, '店员通过'); +INSERT INTO `t_state` VALUES (4, '店员驳回'); +INSERT INTO `t_state` VALUES (5, '未支付'); +INSERT INTO `t_state` VALUES (6, '已支付'); +INSERT INTO `t_state` VALUES (7, '撤销'); + +-- ---------------------------- +-- Table structure for t_stu +-- ---------------------------- +DROP TABLE IF EXISTS `t_stu`; +CREATE TABLE `t_stu` ( + `stu_id` int(11) NOT NULL AUTO_INCREMENT, + `stu_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `stu_pwd` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `stu_dept` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `stu_tel` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `stu_date` datetime NULL DEFAULT NULL, + `stu_state` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + PRIMARY KEY (`stu_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 5 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_stu +-- ---------------------------- +INSERT INTO `t_stu` VALUES (1, '张三', '123', '精英', '12345678912', '2023-12-12 20:13:14', '出勤'); +INSERT INTO `t_stu` VALUES (2, '李四', '123', '普通', '12345678912', '2023-12-12 20:13:14', '请假'); +INSERT INTO `t_stu` VALUES (3, '王五', '123', '实验', '12345678912', '2023-12-12 20:13:14', '离职'); +INSERT INTO `t_stu` VALUES (4, '赵六', '123', '火箭', '12345678912', '2023-12-12 20:13:14', '出勤'); + +-- ---------------------------- +-- Table structure for t_student +-- ---------------------------- +DROP TABLE IF EXISTS `t_student`; +CREATE TABLE `t_student` ( + `s_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '学生编号', + `s_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '学生姓名', + `sex` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '学生性别', + PRIMARY KEY (`s_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 11 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_student +-- ---------------------------- +INSERT INTO `t_student` VALUES (1, '张三', '男'); +INSERT INTO `t_student` VALUES (2, '李四', '男'); +INSERT INTO `t_student` VALUES (3, '王五', '男'); +INSERT INTO `t_student` VALUES (4, '赵六', '男'); +INSERT INTO `t_student` VALUES (5, '小红', '女'); +INSERT INTO `t_student` VALUES (6, '小兰', '女'); +INSERT INTO `t_student` VALUES (7, '小紫', '女'); +INSERT INTO `t_student` VALUES (8, '小彩', '女'); +INSERT INTO `t_student` VALUES (9, '小花', '女'); +INSERT INTO `t_student` VALUES (10, '小芬', '女'); + +-- ---------------------------- +-- Table structure for t_type +-- ---------------------------- +DROP TABLE IF EXISTS `t_type`; +CREATE TABLE `t_type` ( + `type_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '类型编号', + `type_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '类型名称', + PRIMARY KEY (`type_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 4 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_type +-- ---------------------------- +INSERT INTO `t_type` VALUES (1, '普通'); +INSERT INTO `t_type` VALUES (2, '精英'); +INSERT INTO `t_type` VALUES (3, '实验'); + +-- ---------------------------- +-- Table structure for t_user +-- ---------------------------- +DROP TABLE IF EXISTS `t_user`; +CREATE TABLE `t_user` ( + `user_id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户主键', + `user_name` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户登录名', + `user_pwd` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户登录密码', + `user_nicheng` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户昵称', + `user_addr` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '用户头像地址', + `user_date` date NULL DEFAULT NULL COMMENT '创建时间', + `user_age` int(11) NULL DEFAULT NULL COMMENT '年龄', + `user_state` int(11) NULL DEFAULT NULL COMMENT '用户状态0.正常1.禁用', + `user_suo` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '锁定时间', + `user_time` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '锁定时长', + PRIMARY KEY (`user_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 8 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of t_user +-- ---------------------------- +INSERT INTO `t_user` VALUES (1, '张三', '123', '亚瑟王', '东北三省', '2023-01-15', 45, 0, '0', '0'); +INSERT INTO `t_user` VALUES (2, '李四', '123', '凯', '青龙', '2023-03-12', 18, 0, '0', '0'); +INSERT INTO `t_user` VALUES (3, '王五', '123', '嬴政', '白虎', '2023-06-01', 23, 0, '0', '0'); +INSERT INTO `t_user` VALUES (4, '赵六', '123', '黄忠', '朱雀', '2023-10-01', 36, 0, '0', '0'); +INSERT INTO `t_user` VALUES (5, '老庞', '123', '李信', '玄武', '2023-12-12', 27, 0, '0', '0'); +INSERT INTO `t_user` VALUES (6, '老王', '123', '公孙离', '寒风刺骨', '2024-01-01', 55, 0, '0', '0'); +INSERT INTO `t_user` VALUES (7, '老曾', '123', '阿珂', '雪雨交加', '2024-06-01', 15, 0, '0', '0'); + +-- ---------------------------- +-- Table structure for tb_student +-- ---------------------------- +DROP TABLE IF EXISTS `tb_student`; +CREATE TABLE `tb_student` ( + `student_id` int(11) NOT NULL AUTO_INCREMENT, + `student_name` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `student_sex` varchar(20) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `student_phone` varchar(30) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL, + `student_clazz_id` int(11) NULL DEFAULT NULL, + `student_age` int(11) NULL DEFAULT NULL, + `student_salary` decimal(10, 2) NULL DEFAULT NULL, + PRIMARY KEY (`student_id`) USING BTREE +) ENGINE = InnoDB AUTO_INCREMENT = 6 CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic; + +-- ---------------------------- +-- Records of tb_student +-- ---------------------------- +INSERT INTO `tb_student` VALUES (1, '王铭', '男', '12345679812', 20, 36, 5200.00); +INSERT INTO `tb_student` VALUES (2, '王虎', '男', '19423568794', 30, 26, 1314.00); +INSERT INTO `tb_student` VALUES (3, '小红', '女', '18754632389', 30, 18, 3600.00); +INSERT INTO `tb_student` VALUES (4, '曼萨', '女', '13649876354', 52, 20, 7777.00); +INSERT INTO `tb_student` VALUES (5, '钰萍', '女', '12345679812', 77, 22, 9999.00); + +SET FOREIGN_KEY_CHECKS = 1; diff --git a/src/main/java/org/example/Main.java b/src/main/java/org/example/Main.java new file mode 100644 index 0000000..407f157 --- /dev/null +++ b/src/main/java/org/example/Main.java @@ -0,0 +1,7 @@ +package org.example; + +public class Main { + public static void main(String[] args) { + System.out.println("Hello world!"); + } +} \ No newline at end of file