fix:添加springboot功能

pom.xml

@@ -69,6 +69,12 @@
             <version>1.3.0.Final</version>
             <scope>compile</scope>
         </dependency>
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-devtools</artifactId>
+            <optional>true</optional>
+        </dependency>
+
 
     </dependencies>
     <build>

src/main/java/com/kwan/springbootkwan/config/MyBatisPlusConfig.java

@@ -9,13 +9,20 @@ import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
 import org.springframework.transaction.annotation.EnableTransactionManagement;
 
+/**
+ * mybatisplus配置
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:11
+ */
 @MapperScan("com.kwan.springbootkwan.mapper")//扫描我们的mapper文件夹 这里添加了@MapperScan注解就不需要Springboot启动类上加入@MapperScan注解了
 @EnableTransactionManagement //事务控制
 @Configuration //配置类
 public class MyBatisPlusConfig {
 
     @Bean
-    public MybatisPlusInterceptor mybatisPlusInterceptor(){
+    public MybatisPlusInterceptor mybatisPlusInterceptor() {
         MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
         //注册乐观锁插件
         interceptor.addInnerInterceptor(new OptimisticLockerInnerInterceptor());

src/main/java/com/kwan/springbootkwan/config/MyWebMvcConfig.java

+package com.kwan.springbootkwan.config;
+
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.servlet.config.annotation.CorsRegistry;
+import org.springframework.web.servlet.config.annotation.ResourceHandlerRegistry;
+import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;
+
+/**
+ * 全局拦截器-跨域配置
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:11
+ */
+@Configuration
+public class MyWebMvcConfig implements WebMvcConfigurer {
+    @Override
+    public void addResourceHandlers(ResourceHandlerRegistry registry) {
+        registry.addResourceHandler("/static/**")
+                .addResourceLocations("classpath:/static/");
+    }
+
+    @Override
+    public void addCorsMappings(CorsRegistry registry) {
+        registry.addMapping("/book/**")
+                .allowedHeaders("*")
+                .allowedMethods("*")
+                .maxAge(1800)
+                .allowedOrigins("http://localhost:8081");
+    }
+}

src/main/java/com/kwan/springbootkwan/controller/BookController.java

+package com.kwan.springbootkwan.controller;
+
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * 方法上跨域配置
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:10
+ */
+@RestController
+public class BookController {
+
+    @CrossOrigin(value = "http://localhost:8081", maxAge = 1800, allowedHeaders = "*")
+    @PostMapping("addBook")
+    public String addBook(String name) {
+        return "receive：" + name;
+    }
+
+
+    @CrossOrigin(value = "http://localhost:8081", maxAge = 1800, allowedHeaders = "*")
+    @DeleteMapping("deleteBook/{id}")
+    public String deleteBook(@PathVariable(value = "id") String id) {
+        return "receive：" + id;
+    }
+}

src/main/java/com/kwan/springbootkwan/controller/FileUploadController.java

+package com.kwan.springbootkwan.controller;
+
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestPart;
+import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.multipart.MultipartFile;
+
+import javax.servlet.http.HttpServletRequest;
+import java.io.File;
+import java.io.IOException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.UUID;
+
+/**
+ * 文件上传
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:07
+ */
+@RestController
+public class FileUploadController {
+
+    /**
+     * 单文件上传
+     *
+     * @param uploadFile
+     * @param req
+     * @return
+     */
+    @PostMapping("/upload")
+    public String upload(MultipartFile uploadFile, HttpServletRequest req) {
+        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
+        String realPath = req.getSession().getServletContext().getRealPath("/uploadFile/");
+        String format = sdf.format(new Date());
+        File folder = new File(realPath + format);
+        if (!folder.isDirectory()) {
+            folder.mkdirs();
+        }
+        String oldName = uploadFile.getOriginalFilename();
+        String newName = UUID.randomUUID().toString() +
+                oldName.substring(oldName.lastIndexOf("."), oldName.length());
+        try {
+            //文件保存操作
+            uploadFile.transferTo(new File(folder, newName));
+            //生成上传文件的访问路径， 并将访问路径返回
+            String filePath = req.getScheme() + "://" + req.getServerName() + ":" + req.getServerPort()
+                    + "/uploadFile/" + format + newName;
+            return filePath;
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+        return "文件上传失败";
+    }
+
+
+    /**
+     * 多文件上传
+     *
+     * @param uploadFiles
+     * @param req
+     * @return
+     */
+    @PostMapping("/uploadBatch")
+    public String uploadBatch(@RequestPart("uploadFile") MultipartFile[] uploadFiles, HttpServletRequest req) {
+        //遍历 uploadFiles 数组分别存储
+        return "success";
+    }
+
+}

src/main/java/com/kwan/springbootkwan/controller/PersonController.java

+package com.kwan.springbootkwan.controller;
+
+import com.kwan.springbootkwan.entity.Person;
+import com.kwan.springbootkwan.entity.User;
+import com.kwan.springbootkwan.service.IUserService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.Date;
+import java.util.List;
+
+/**
+ * Person相关
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:08
+ */
+@RestController
+@RequestMapping("/person")
+public class PersonController {
+    /**
+     * {
+     * "name": "zhang san",
+     * "age": 24,
+     * "birthday": "2022-12-19"
+     * }
+     */
+    @GetMapping("/person")
+    public Person person() {
+        Person person = new Person();
+        person.setName("zhang san");
+        person.setAge(24);
+        person.setBirthday(new Date());
+        return person;
+    }
+}
\ No newline at end of file

src/main/java/com/kwan/springbootkwan/controller/UserController.java

 package com.kwan.springbootkwan.controller;
 
+import com.kwan.springbootkwan.entity.Person;
 import com.kwan.springbootkwan.entity.User;
 import com.kwan.springbootkwan.service.IUserService;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 
+import java.util.Date;
 import java.util.List;
 
-
+/**
+ * 用户相关
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:08
+ */
 @RestController
 @RequestMapping("/user")
 public class UserController {

src/main/java/com/kwan/springbootkwan/entity/Person.java

+package com.kwan.springbootkwan.entity;
+
+import com.fasterxml.jackson.annotation.JsonFormat;
+
+import java.util.Date;
+
+public class Person {
+
+    private String name;
+    private Integer age;
+    @JsonFormat(pattern = "yyyy-MM-dd")
+    private Date birthday;
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    public Date getBirthday() {
+        return birthday;
+    }
+
+    public void setBirthday(Date birthday) {
+        this.birthday = birthday;
+    }
+}

src/main/java/com/kwan/springbootkwan/mapper/UserMapper.java

@@ -2,10 +2,16 @@ package com.kwan.springbootkwan.mapper;
 
 import com.baomidou.mybatisplus.core.mapper.BaseMapper;
 import com.kwan.springbootkwan.entity.User;
-import org.springframework.stereotype.Repository;
+import org.apache.ibatis.annotations.Mapper;
 
-//@Mapper
-@Repository // 代表持久层
+/**
+ * mapper文件
+ *
+ * @author : qinyingjie
+ * @version : 2.2.0
+ * @date : 2022/12/19 16:12
+ */
+@Mapper
 public interface UserMapper extends BaseMapper<User> {
 
 }