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Zg6-day10
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day10

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张腾 2024-07-29 09:13:54 +08:00
commit 635d216323
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33
.gitignore vendored 100644
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HELP.md
target/
!.mvn/wrapper/maven-wrapper.jar
!**/src/main/**/target/
!**/src/test/**/target/
### STS ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
### IntelliJ IDEA ###
.idea
*.iws
*.iml
*.ipr
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
build/
!**/src/main/**/build/
!**/src/test/**/build/
### VS Code ###
.vscode/

139
pom.xml 100644
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.bwie</groupId>
<artifactId>Zg6-day10</artifactId>
<version>0.0.1-SNAPSHOT</version>
<name>Zg6-day10</name>
<description>Demo project for Spring Boot</description>
<properties>
<java.version>1.8</java.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
<spring-boot.version>2.3.12.RELEASE</spring-boot.version>
</properties>
<dependencies>
<!--mybatis plus依赖-->
<dependency>
<groupId>com.baomidou</groupId>
<artifactId>mybatis-plus</artifactId>
<version>3.5.7</version>
</dependency>
<!-- 添加servlet依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>javax.servlet-api</artifactId>
<scope>provided</scope>
</dependency>
<!-- 添加jstl标签库依赖模块 -->
<dependency>
<groupId>javax.servlet</groupId>
<artifactId>jstl</artifactId>
</dependency>
<!--添加tomcat依赖模块.-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-tomcat</artifactId>
<scope>provided</scope>
</dependency>
<!-- 使用jsp引擎，springboot内置tomcat没有此依赖 -->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
<!-- sqring框架依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.mybatis.spring.boot</groupId>
<artifactId>mybatis-spring-boot-starter</artifactId>
<version>2.1.4</version>
</dependency>
<!-- 热部署依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-devtools</artifactId>
<scope>runtime</scope>
<optional>true</optional>
</dependency>
<!-- mysql数据库依赖 -->
<dependency>
<groupId>mysql</groupId>
<artifactId>mysql-connector-java</artifactId>
<version>5.1.32</version>
<scope>runtime</scope>
</dependency>
<!-- lombok小辣椒依赖 -->
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<optional>true</optional>
</dependency>
<!-- 测试类依赖 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
<exclusions>
<exclusion>
<groupId>org.junit.vintage</groupId>
<artifactId>junit-vintage-engine</artifactId>
</exclusion>
</exclusions>
</dependency>
<dependency>
<groupId>org.apache.httpcomponents</groupId>
<artifactId>httpcore</artifactId>
<version>4.4.14</version>
</dependency>
</dependencies>
<dependencyManagement>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-dependencies</artifactId>
<version>${spring-boot.version}</version>
<type>pom</type>
<scope>import</scope>
</dependency>
</dependencies>
</dependencyManagement>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.8.1</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
<encoding>UTF-8</encoding>
</configuration>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
<version>${spring-boot.version}</version>
<configuration>
<mainClass>com.bwie.Zg6Day10Application</mainClass>
<skip>true</skip>
</configuration>
<executions>
<execution>
<id>repackage</id>
<goals>
<goal>repackage</goal>
</goals>
</execution>
</executions>
</plugin>
</plugins>
</build>
</project>

57
sql/zg6_day10.sql 100644
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/*
Navicat Premium Data Transfer
Source Server : zhangteng
Source Server Type : MySQL
Source Server Version : 80038
Source Host : localhost:3306
Source Schema : zg6_day10
Target Server Type : MySQL
Target Server Version : 80038
File Encoding : 65001
Date: 29/07/2024 09:04:03
*/
SET NAMES utf8mb4;
SET FOREIGN_KEY_CHECKS = 0;
-- ----------------------------
-- Table structure for user
-- ----------------------------
DROP TABLE IF EXISTS `user`;
CREATE TABLE `user` (
`uid` int NOT NULL AUTO_INCREMENT,
`user_name` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
`pwd` varchar(50) CHARACTER SET utf8mb4 COLLATE utf8mb4_0900_ai_ci NULL DEFAULT NULL,
`sex` int NULL DEFAULT NULL,
`birthday` date NULL DEFAULT NULL,
PRIMARY KEY (`uid`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8mb4 COLLATE = utf8mb4_0900_ai_ci ROW_FORMAT = Dynamic;
-- ----------------------------
-- Records of user
-- ----------------------------
INSERT INTO `user` VALUES (1, 'Tang Xiaoming', 'HD7h11e1EE', 28, '2024-01-26');
INSERT INTO `user` VALUES (2, 'Ma Anqi', 'CijZwta359', 36, '2022-11-11');
INSERT INTO `user` VALUES (3, 'Feng Lu', '3klALW7ruc', 15, '2005-12-25');
INSERT INTO `user` VALUES (4, 'Chan Ka Keung', '18s4irlHHY', 19, '2014-03-12');
INSERT INTO `user` VALUES (5, 'Lau Kar Yan', 'sjTKp1GYO7', 20, '2001-05-08');
INSERT INTO `user` VALUES (6, 'Edward Ford', 'WsLjB2WtXl', 22, '2000-12-25');
INSERT INTO `user` VALUES (7, 'Su Rui', '1H5IWcwCpw', 24, '2014-01-15');
INSERT INTO `user` VALUES (8, 'Mao Xiaoming', 'xvxlqgRaRa', 17, '2013-06-15');
INSERT INTO `user` VALUES (9, 'Wu Wai Man', 'anieWa6ucy', 18, '2011-02-09');
INSERT INTO `user` VALUES (10, 'Jack Crawford', 'ah01L6yUah', 19, '2005-09-22');
INSERT INTO `user` VALUES (11, 'Li Zitao', '5XltQshPpH', 22, '2006-08-05');
INSERT INTO `user` VALUES (12, 'Vincent Hall', 'QqzPbIggo1', 30, '2020-12-28');
INSERT INTO `user` VALUES (13, 'Cheng Yunxi', 'bNlbBkAkOx', 34, '2020-10-08');
INSERT INTO `user` VALUES (14, 'Wong Chung Yin', '8kElRuaVDS', 32, '2017-11-18');
INSERT INTO `user` VALUES (15, 'Jiang Lu', 'FXvsbHi3At', 36, '2024-01-23');
INSERT INTO `user` VALUES (16, 'Kato Daichi', 'bAFncjRTtd', 26, '2001-10-01');
INSERT INTO `user` VALUES (17, 'Janice Hayes', 'TGbLq60ztW', 29, '2018-07-09');
INSERT INTO `user` VALUES (18, 'Zeng Lu', 'ZI159BEJel', 21, '2008-08-11');
INSERT INTO `user` VALUES (19, 'Nishimura Mitsuki', '8kgwfxeiau', 23, '2019-10-31');
INSERT INTO `user` VALUES (20, 'Zeng Anqi', 'sGpPro6mvx', 24, '2018-06-10');
SET FOREIGN_KEY_CHECKS = 1;

15
src/main/java/com/bwie/Zg6Day10Application.java 100644
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package com.bwie;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
@MapperScan("com.bwie.mapper")
public class Zg6Day10Application {
public static void main(String[] args) {
SpringApplication.run(Zg6Day10Application.class, args);
}
}

15
src/main/java/com/bwie/mapper/UserMapper.java 100644
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package com.bwie.mapper;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.bwie.pojo.User;
/**
* @Author：张腾
* @Package：com.bwie.mapper
* @Project：Zg6-day10
* @name：UserMapper
* @Date：2024/7/29 8:46
*/
public interface UserMapper extends BaseMapper<User> {
}

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src/main/java/com/bwie/pojo/User.java 100644
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package com.bwie.pojo;
import lombok.Data;
import java.util.Date;
/**
* @Author：张腾
* @Package：com.bwie.pojo
* @Project：Zg6-day10
* @name：User
* @Date：2024/7/29 8:45
*/
@Data
public class User {
private Integer uid;
private String userName;
private String pwd;
private Integer sex;
private Date birthday;
}

28
src/main/resources/application.properties 100644
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# 应用服务 WEB 访问端口号
server.port=8080
# 日志输出
logging.level.com.bawei=debug
# 数据库驱动：
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
# 数据源名称
#spring.datasource.name=defaultDataSource
# 数据库连接地址
spring.datasource.url=jdbc:mysql://127.0.0.1:3306/zg6_day10?characterEncoding=utf-8&useUnicode=true
# 数据库用户名&密码：
spring.datasource.username=root
spring.datasource.password=root
# 视图解析器
spring.mvc.view.prefix=/WEB-INF/view/
spring.mvc.view.suffix=.jsp
# mybatis下划线转小驼峰
mybatis.configuration.map-underscore-to-camel-case=true
# pageHelper插件
# 分页合理化
pagehelper.reasonable=true
# 分页自动转换方言。。。不同的数据库 分页的语句是不同的 mysql--limit oracle--rownum
pagehelper.auto-dialect=true

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src/main/resources/mappers/UserMapper.xml 100644
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<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
"http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.bwie.mapper.UserMapper">
</mapper>

52
src/test/java/com/bwie/Zg6Day10ApplicationTests.java 100644
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package com.bwie;
import com.bwie.mapper.UserMapper;
import com.bwie.pojo.User;
import org.junit.jupiter.api.Test;
import org.mybatis.spring.annotation.MapperScan;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;
import java.util.HashMap;
import java.util.List;
@SpringBootTest
class Zg6Day10ApplicationTests {
@Autowired
private UserMapper userMapper;
/**
* 功能查询所有学生
*/
@Test
void selectAll() {
List<User> users = userMapper.selectList(null);
users.forEach(user -> {
System.out.println(user);
});
}
/**
* 功能:根据id删除学生
*/
@Test
public void deleteStu(){
int i = userMapper.deleteById(3);
if (i>0){
System.out.println("删除成功");
}
}
/**
* 功能:列表查询年龄降序排序
*/
@Test
public void selectByAge(){
HashMap<String, Object> map = new HashMap<>();
map.put("19",19);
List<User> users = userMapper.selectByMap(map);
users.forEach(user -> {
System.out.println(user);
});
}
}