first commit

server/.gitignore

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+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/
+my-log

server/Readme.md

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+# Document of this project
+
+### 功能
+
+* 增删改查
+* 文件上传
+* 数据库配置
+* 日志管理
+* 权限控制
+
+### 后端部署流程
+
+1. 配置端口 位于application.yml
+2. 配置数据库 位于application.yml
+3. 配置location目录 位于application.yml
+4. 配置静态目录 位于application.yml
+5. 配置uploadPath 位于application.yml
+6. 修改logback-spring.xml下的LOG_HOME的value值
+7. maven clean -> maven package
+8. 将jar包复制到服务器
+9. 将upload文件夹复制到服务器
+10. 运行启动jar包命令
+
+### 运行命令（或双击start.sh）
+
+title xxxx
+java -jar -Xms64m -Xmx128m -XX:MetaspaceSize=64m -XX:MaxMetaspaceSize=64m xxxxx.jar
+
+
+### 数据库相关
+
+删除数据库命令：
+
+drop database if exists book;
+
+创建数据库命令：
+
+CREATE DATABASE IF NOT EXISTS book DEFAULT CHARSET utf8 COLLATE utf8_general_ci;
+
+数据库备份命令:
+
+mysqldump -u root -p --databases 数据库名称 > xxx.sql
+
+数据库恢复命令：
+
+source D:\\xxx.sql
+
+
+### 常见问题
+
+#### 日志路径
+
+修改logback-spring.xml下的LOG_HOME的value值
+
+#### 配置数据库
+
+application.yml中
+
+#### Druid连接池配置
+
+* application.yml中配置druid
+* 参考链接：https://blog.csdn.net/nothingavenger/article/details/114119585
+* 监控地址：http://localhost:8009/druid/index.html
+
+#### mysql主键id过长
+
+https://blog.csdn.net/qq_46728644/article/details/120772577
+
+#### yml不起作用
+
+需要maven clean一下
+
+#### 注意实体字段最好是String类型
+
+实体字段最好是String类型，mybatis-plus的update的时候，null的不更新
+
+#### 打包步骤
+
+maven clean -> maven package
+
+https://blog.csdn.net/weixin_42822484/article/details/107893586
+
+#### 配置文件上传大小
+
+application.yml中multipart下
+
+#### 静态资源路径配置
+
+https://blog.csdn.net/cylcjsg/article/details/128102776?
+
+#### 跨域配置
+
+见CorsConfig.java
+
+
+
+
+

server/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>
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.5.5</version>
+        <relativePath/> <!-- lookup parent from repository -->
+    </parent>
+    <groupId>com.test</groupId>
+    <artifactId>springdemo</artifactId>
+    <version>0.0.1-SNAPSHOT</version>
+    <name>springdemo</name>
+    <description>Demo project for Spring Boot</description>
+    <properties>
+        <java.version>1.8</java.version>
+    </properties>
+    <dependencies>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+        <!-- 连接mysql -->
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>5.1.40</version>
+        </dependency>
+        <!-- mybatis-plus -->
+        <dependency>
+            <groupId>com.baomidou</groupId>
+            <artifactId>mybatis-plus-boot-starter</artifactId>
+            <version>3.5.2</version>
+        </dependency>
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid</artifactId>
+            <version>1.2.12</version>
+        </dependency>
+        <!-- gson -->
+        <dependency>
+            <groupId>com.google.code.gson</groupId>
+            <artifactId>gson</artifactId>
+            <version>2.9.0</version>
+        </dependency>
+        <!--自启动Druid管理后台-->
+        <dependency>
+            <groupId>com.alibaba</groupId>
+            <artifactId>druid-spring-boot-starter</artifactId>
+            <version>1.1.10</version>
+        </dependency>
+        <dependency>
+            <groupId>mysql</groupId>
+            <artifactId>mysql-connector-java</artifactId>
+            <version>8.0.19</version>
+        </dependency>
+        <dependency>
+            <groupId>org.projectlombok</groupId>
+            <artifactId>lombok</artifactId>
+        </dependency>
+
+        <dependency>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+        </dependency>
+
+
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+        </plugins>
+    </build>
+    <repositories>
+        <!--阿里云仓库，国内速度快-->
+        <repository>
+            <id>aliyun</id>
+            <url>https://maven.aliyun.com/repository/public</url>
+        </repository>
+    </repositories>
+
+</project>

server/src/main/java/com/test/springdemo/SpringdemoApplication.java

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

server/src/main/java/com/test/springdemo/common/APIResponse.java

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+package com.test.springdemo.common;
+
+
+import java.io.Serializable;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
+import lombok.Data;
+
+/**
+ * @功能描述: 响应报文，统一封装类
+ */
+@Data
+public class APIResponse<T> implements Serializable {
+    private int code;
+    private String msg;
+    private T data;
+    private String trace;
+    private long timestamp;
+
+    public APIResponse() {
+        this.timestamp = System.currentTimeMillis();
+    }
+
+    public APIResponse(ResponeCode responseCode) {
+        this.timestamp = System.currentTimeMillis();
+        this.code = responseCode.getCode();
+        this.msg = responseCode.getMsg();
+    }
+
+    public APIResponse(ResponeCode responseCode, String msg) {
+        this(responseCode);
+        this.msg = msg;
+    }
+
+    public APIResponse(ResponeCode responseCode, T data) {
+        this(responseCode);
+        this.data = data;
+    }
+
+    public APIResponse(ResponeCode responseCode, String msg, T data) {
+        this(responseCode);
+        this.trace = msg;
+        this.data = data;
+    }
+
+    @Override
+    public String toString() {
+        return "APIResponse{" +
+                "timestamp=" + timestamp +
+                ", code=" + code +
+                ", msg='" + msg + '\'' +
+                ", trace='" + trace + '\'' +
+                ", data=" + data +
+                //", count=" + count +
+                '}';
+    }
+}

server/src/main/java/com/test/springdemo/common/ResponeCode.java

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+package com.test.springdemo.common;
+
+/**
+ * @功能描述: 响应报文，统一封装类
+ */
+public enum ResponeCode {
+    SUCCESS(200, "成功"),
+    FAIL(400, "失败"),
+    UNAUTHORIZED(401, "未认证"),
+    NOT_FOUND(404, "接口不存在"),
+    INTERNAL_SERVER_ERROR(500, "服务器内部错误");
+
+    private int code;
+    private String msg;
+
+    private ResponeCode(int code, String msg) {
+        this.code = code;
+        this.msg = msg;
+    }
+
+    public int getCode() {
+        return this.code;
+    }
+
+    public String getMsg() {
+        return this.msg;
+    }
+}

server/src/main/java/com/test/springdemo/common/TestUtils.java

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+package com.test.springdemo.common;
+
+public class TestUtils {
+}

server/src/main/java/com/test/springdemo/config/MyConfig.java

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+package com.test.springdemo.config;
+
+import com.test.springdemo.interceptor.AccessInterceptor;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.InterceptorRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+@Configuration
+public class MyConfig implements WebMvcConfigurer {
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/**")//项目中的所有接口都支持跨域
+                .allowedOriginPatterns("*") //所有地址都可以访问，也可以配置具体地址
+                .allowCredentials(true)
+                .allowedMethods("*");//"GET", "HEAD", "POST", "PUT", "DELETE", "OPTIONS"
+    }
+
+    @Override
+    public void addInterceptors(InterceptorRegistry registry) {
+        // 自定义拦截器
+        registry.addInterceptor(new AccessInterceptor());
+    }
+}