springboot+jersey+tomcat实现跨域方式上传文件到服务器的方式

<!-- 使得服务器允许文件写入。-->
		<init-param>
            <param-name>readonly</param-name>
            <param-value>false</param-value>
        </init-param>

    <servlet>
        <servlet-name>default</servlet-name>
        <servlet-class>org.apache.catalina.servlets.DefaultServlet</servlet-class>
        <init-param>
            <param-name>debug</param-name>
            <param-value>0</param-value>
        </init-param>
        <init-param>
            <param-name>listings</param-name>
            <param-value>false</param-value>
        </init-param>
        <!-- 使得服务器允许文件写入。-->
		<init-param>
            <param-name>readonly</param-name>
            <param-value>false</param-value>
        </init-param>
        <load-on-startup>1</load-on-startup>
    </servlet>

        <!--        跨域上传依赖-->
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-core</artifactId>
            <version>1.18.1</version>
        </dependency>
        <dependency>
            <groupId>com.sun.jersey</groupId>
            <artifactId>jersey-client</artifactId>
            <version>1.18.1</version>
        </dependency>

@PostMapping("/upLoadImg")
    @ResponseBody
    public String upLoadImg(MultipartFile myfile){
 
        String path = "http://服务器公网ip:8080/tomcat的webapps下的文件夹名称/";
 
//为上传到服务器的文件取名，使用UUID防止文件名重复
        String type= myfile.getOriginalFilename().substring(myfile.getOriginalFilename().lastIndexOf("."));
        String filename= UUID.randomUUID().toString()+type;
        try{
//使用Jersey客户端上传文件
            Client client = Client.create();
            WebResource webResource = client.resource(path +"/" + URLEncoder.encode(filename,"utf-8"));
            webResource.put(myfile.getBytes());
            System.out.println("上传成功");
            System.out.println("图片路径==》"+path+filename);
        }catch(Exception ex){
            System.out.println("上传失败");
        }
        return "上传成功";
    }

    @PostMapping("/upLoadImg")
    @ResponseBody
    public String doRemoteUpload(@RequestParam("file")MultipartFile file){
        String path = "http://服务器公网ip:8080/tomcat的webapps下的文件夹名称/";
        String filename= file.getOriginalFilename();
        try{
            Client client = Client.create();
            WebResource webResource = client.resource(path +"/" + filename);
            webResource.put(file.getBytes());
        }catch(Exception ex){
            return "上传文件失败:"+path+"/"+filename;
        }
        return "上传文件成功:"+path+"/"+filename;
    }

import com.sun.jersey.api.client.Client;
import com.sun.jersey.api.client.WebResource;

    @GetMapping("/deleteUploadImg")
    @ResponseBody
    public ResultVO deleteUploadImg(){

        String path = "http://服务器公网ip:8080/tomcat的webapps下的文件夹名称/文件名";
        try{
            Client client = Client.create();
            WebResource webResource = client.resource(path);
            webResource.delete();
        }catch(Exception ex){
            return "删除文件失败:"+path+"/"+filename+ ex.getMessage();
        }
        return "删除文件成功:"+path+"/"+filename;
    }