day13

.gitignore

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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/

pom.xml

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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-Day13</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>Zg6-Day13</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>
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.6</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>
+
+
+
+        <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>
+    </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.Zg6Day13Application</mainClass>
+                    <skip>true</skip>
+                </configuration>
+                <executions>
+                    <execution>
+                        <id>repackage</id>
+                        <goals>
+                            <goal>repackage</goal>
+                        </goals>
+                    </execution>
+                </executions>
+            </plugin>
+        </plugins>
+    </build>
+
+</project>

src/main/java/com/bwie/Zg6Day13Application.java

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+package com.bwie;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Zg6Day13Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Zg6Day13Application.class, args);
+    }
+
+}

src/main/java/com/bwie/controller/UserController.java

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+package com.bwie.controller;
+
+import com.bwie.pojo.User;
+import com.bwie.service.UserService;
+import lombok.extern.java.Log;
+import lombok.extern.log4j.Log4j2;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * @Author：张腾
+ * @Package：com.bwie.controller
+ * @Project：Zg6-Day13
+ * @name：UserController
+ * @Date：2024/8/1 8:58
+ */
+@Log4j2
+@RestController
+@RequestMapping("/user")
+public class UserController {
+
+    @Autowired
+    private UserService userService;
+
+    @PostMapping("/login")
+    public User login(@RequestBody User user){
+        return userService.login(user);
+    }
+
+}

src/main/java/com/bwie/mapper/UserMapper.java

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+package com.bwie.mapper;
+
+import com.baomidou.mybatisplus.core.mapper.BaseMapper;
+import com.bwie.pojo.User;
+import org.apache.ibatis.annotations.Mapper;
+
+/**
+ * @Author：张腾
+ * @Package：com.bwie.mapper
+ * @Project：Zg6-Day13
+ * @name：UserMapper
+ * @Date：2024/8/1 8:48
+ */
+@Mapper
+public interface UserMapper extends BaseMapper<User> {
+}

src/main/java/com/bwie/pojo/User.java

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+package com.bwie.pojo;
+
+import com.baomidou.mybatisplus.annotation.IdType;
+import com.baomidou.mybatisplus.annotation.TableId;
+import com.baomidou.mybatisplus.annotation.TableName;
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * @Author：张腾
+ * @Package：com.bwie.pojo
+ * @Project：Zg6-Day13
+ * @name：User
+ * @Date：2024/8/1 8:47
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+@Builder
+@TableName(value = "user",autoResultMap = true)
+public class User {
+
+    /**
+     * 主键
+     */
+    @TableId(value = "uid",type = IdType.AUTO)
+    private Integer uId;
+    /**
+     * 用户名
+     */
+    private String userName;
+    /**
+     * 密码
+     */
+    private String userPwd;
+}

src/main/java/com/bwie/service/UserService.java

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+package com.bwie.service;
+
+import com.bwie.pojo.User;
+
+/**
+ * @Author：张腾
+ * @Package：com.bwie.service
+ * @Project：Zg6-Day13
+ * @name：UserService
+ * @Date：2024/8/1 8:57
+ */
+public interface UserService {
+
+
+    User login(User user);
+}

src/main/java/com/bwie/service/impl/UserServiceImpl.java

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+package com.bwie.service.impl;
+
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.bwie.mapper.UserMapper;
+import com.bwie.pojo.User;
+import com.bwie.service.UserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.util.StringUtils;
+
+import javax.annotation.Resource;
+
+/**
+ * @Author：张腾
+ * @Package：com.bwie.service.impl
+ * @Project：Zg6-Day13
+ * @name：UserServiceImpl
+ * @Date：2024/8/1 8:57
+ */
+@Service
+public class UserServiceImpl
+        extends ServiceImpl<UserMapper, User>
+            implements UserService {
+
+    @Resource(type = User.class)
+    private UserMapper userMapper;
+    @Override
+    public User login(User user) {
+        if (StringUtils.isEmpty(user.getUserName()) || StringUtils.isEmpty(user.getUserPwd())){
+            System.out.println("用户名或密码不能为空");
+        }
+        User uu = userMapper.selectById(1);
+        if (null == uu){
+            System.out.println("用户不存在请重试");
+        }
+
+        return uu;
+    }
+}

src/main/resources/application.properties

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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_day13?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

src/test/java/com/bwie/Zg6Day13ApplicationTests.java

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+package com.bwie;
+
+import org.junit.jupiter.api.Test;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class Zg6Day13ApplicationTests {
+
+    @Test
+    void contextLoads() {
+    }
+
+}