文件服务器下载共享文件接口

pom.xml

+<?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>2.7.9</version>
+		<relativePath/> <!-- lookup parent from repository -->
+	</parent>
+	<groupId>com.file</groupId>
+	<artifactId>fileCenter</artifactId>
+	<version>0.0.1-SNAPSHOT</version>
+	<name>fileCenter</name>
+	<description>file controller</description>
+	<properties>
+		<java.version>1.8</java.version>
+	</properties>
+	<dependencies>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-web</artifactId>
+		</dependency>
+		<dependency>
+			<groupId>org.springframework.boot</groupId>
+			<artifactId>spring-boot-starter-test</artifactId>
+			<scope>test</scope>
+		</dependency>
+	</dependencies>
+
+	<build>
+		<finalName>${project.artifactId}</finalName>
+
+		<plugins>
+			<plugin>
+				<groupId>org.springframework.boot</groupId>
+				<artifactId>spring-boot-maven-plugin</artifactId>
+			</plugin>
+		</plugins>
+	</build>
+
+</project>

src/main/java/com/file/center/FileCenterApplication.java

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

src/main/java/com/file/center/controller/OCRToolController.java

+package com.file.center.controller;
+
+
+import com.file.center.util.CopyImageDTO;
+import com.file.center.util.ImageUtils;
+import com.file.center.util.OCRAPI;
+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;
+
+/**
+ * 说明：
+ *
+ * @author Li
+ */
+@RequestMapping("/OCRTool")
+@RestController
+public class OCRToolController {
+
+
+    @PostMapping("/copyImage")
+    public String copyImage(@RequestBody CopyImageDTO dto) throws Exception {
+        return ImageUtils.downloadByURL(dto.getUrlString(), dto.getFileName(), OCRAPI.getImagePre(),dto.getLinux());
+    }
+}

src/main/java/com/file/center/util/CopyImageDTO.java

+package com.file.center.util;
+
+/**
+ * @author:Li
+ * @create: 2022-12-23 16:02
+ * @Description:
+ */
+public class CopyImageDTO {
+
+    private String urlString;
+
+    private String fileName;
+
+    private Boolean isLinux;
+
+    private String savePath = OCRAPI.getImagePre();
+
+
+
+    public String getUrlString() {
+        return urlString;
+    }
+
+    public void setUrlString(String urlString) {
+        this.urlString = urlString;
+    }
+
+    public String getFileName() {
+        return fileName;
+    }
+
+    public void setFileName(String fileName) {
+        this.fileName = fileName;
+    }
+
+    public Boolean getLinux() {
+        return isLinux;
+    }
+
+    public void setLinux(Boolean linux) {
+        isLinux = linux;
+    }
+
+    public String getSavePath() {
+        return savePath;
+    }
+
+    public void setSavePath(String savePath) {
+        this.savePath = savePath;
+    }
+}

src/main/java/com/file/center/util/ImageUtils.java

+package com.file.center.util;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLConnection;
+
+/**
+ * 图片处理工具类
+ *
+ * @author Li
+ */
+public class ImageUtils {
+
+    /**
+     * 根据图片的URL从网页下载图片
+     *
+     * @param urlString 图片URL地址
+     * @param filename  下载后的图片名称
+     * @param savePath  保存路径
+     * @throws Exception
+     */
+    public static String downloadByURL(String urlString, String filename, String savePath, Boolean isLinux) throws Exception {
+        String FileSeparator = "\\";
+        if (isLinux) {
+            FileSeparator = "/";
+        }
+        // 构造URL
+        URL url = new URL(urlString);
+        // 打开连接
+        URLConnection con = url.openConnection();
+        // 设置请求超时为5s
+        con.setConnectTimeout(5 * 1000);
+        // 输入流
+        InputStream is = con.getInputStream();
+
+        // 1K的数据缓冲
+        byte[] bs = new byte[1024];
+        // 读取到的数据长度
+        int len;
+        // 输出的文件流
+        File sf = new File(savePath);
+        if (!sf.exists()) {
+            sf.mkdirs();
+        }
+        OutputStream os = new FileOutputStream(sf.getPath() + FileSeparator + "part" + FileSeparator + filename);
+        // 开始读取
+        while ((len = is.read(bs)) != -1) {
+            os.write(bs, 0, len);
+        }
+        // 完毕，关闭所有链接
+        os.close();
+        is.close();
+        return savePath + FileSeparator + "part" + FileSeparator + filename;
+    }
+
+}

src/main/java/com/file/center/util/OCRAPI.java

+package com.file.center.util;
+
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.stereotype.Component;
+
+/**
+ * 说明：
+ *
+ * @author Li
+ */
+@Component
+public class OCRAPI {
+    private static String imagePre;
+
+    public static String getImagePre() {
+        return imagePre;
+    }
+
+    @Value("${ruoyi.profile}")
+    public void setImagePre(String imagePre) {
+        OCRAPI.imagePre = imagePre;
+    }
+
+
+
+
+}

src/main/resources/application.yml

+# ??????
+ruoyi:
+  # ??
+  name: ocr_son_server
+  # ??
+  version: 3.3.0
+  # ????
+  copyrightYear: 2021
+  # ??????
+  demoEnabled: true
+    # ???? ??? Windows??D:/ruoyi/uploadPath?Linux?? /home/ruoyi/uploadPath?
+  profile: /mydata/server/ocrfile
+
+
+
+# ??????
+server:
+  # ????HTTP??????8080
+  port: 8188
+  servlet:
+    # ???????
+    context-path: /api
+  tomcat:
+    # tomcat?URI??
+    uri-encoding: UTF-8
+
+
+