import org.glassfish.jersey.servlet.ServletContainer;import javax.ws.rs.Path;import org.eclipse.jetty.server.Server;import org.eclipse.jetty.servlet.FilterHolder;import org.eclipse.jetty.servlet.ServletContextHandler;import org.eclipse.jetty.servlet.ServletHolder;import org.eclipse.jetty.servlets.CrossOriginFilter;/** * 功能:服务启动 * @author yuchong.shen * 2019年1月10日 * ?*/@Path("/")public class RestInterface { ???private void start(int port) throws Exception { ???????????????//设置扫描包及配置multipart ???????ServletHolder servletHolder = new ServletHolder(ServletContainer.class); ???????servletHolder.setInitParameter("jersey.config.server.provider.packages","yuchongshen.uploader"); ???????servletHolder.setInitParameter("jersey.config.server.provider.classnames","org.glassfish.jersey.media.multipart.MultiPartFeature"); ???????//servlet上下文 ????????ServletContextHandler servletContextHandler = new ServletContextHandler(ServletContextHandler.SESSIONS); ????????servletContextHandler.addServlet(servletHolder, "/*"); ???????//解决前端跨域访问问题 ???????FilterHolder filterHolder = new FilterHolder(CrossOriginFilter.class); ???????filterHolder.setInitParameter("allowedOrigins", "*"); ???????filterHolder.setInitParameter("allowedMethods", "GET, POST"); ???????servletContextHandler.addFilter(filterHolder, "/*", null); ???????//创建服务 ???????Server server = new Server(Config.PORT); ???????server.setHandler(servletContextHandler); ???????server.start(); ???????????????System.out.println("******************************************************************"); ???????System.out.println("server has startup,port:"+Config.PORT); ???????System.out.println("server has startup,upload path:"+Config.UPLOAD_PATH); ???????System.out.println("******************************************************************"); ???} ???public static void main(String[] args) throws Exception { ???????int portIndex=0,uploadPathIndex=0; ???????for(int i=0;i<args.length;i++){ ???????????if(args[i].equals("-uploadpath")) uploadPathIndex=i+1;//获取上传路径根目录 ???????????if(args[i].equals("-port")) ??????portIndex=i+1;//获取端口号 ???????} ???????if(uploadPathIndex>0) Config.UPLOAD_PATH = args[uploadPathIndex]; ???????if(portIndex>0) ??????Config.PORT ???????= Integer.parseInt(args[portIndex]); ???????RestInterface server = new RestInterface(); ???????server.start(Config.PORT); ???}

import java.io.File;import java.io.FileOutputStream;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import javax.inject.Singleton;import javax.ws.rs.Consumes;import javax.ws.rs.POST;import javax.ws.rs.Path;import javax.ws.rs.WebApplicationException;import javax.ws.rs.core.MediaType;import org.glassfish.jersey.media.multipart.FormDataContentDisposition;import org.glassfish.jersey.media.multipart.FormDataParam;/** * 功能:处理上传 * @author yuchong.shen * 2019年1月10日 * ?*/@Path("/upload")@Singletonpublic class Uploader { ???@POST ???@Consumes({MediaType.MULTIPART_FORM_DATA}) ???public String ?uploadFile(@FormDataParam("file") InputStream fileInputStream, ?????????????????????????????@FormDataParam("file") FormDataContentDisposition fileMetaData, ?????????????????????????????@FormDataParam("path") String path, ?????????????????????????????@FormDataParam("file_name") String fileName) throws Exception ???{ ???????String postfix = fileMetaData.getFileName().substring(fileMetaData.getFileName().lastIndexOf(".")); ???????if(fileName==null){ ???????????fileName = new String(fileMetaData.getFileName().getBytes("iso8859-1"),"utf-8"); ???????}else{ ???????????fileName = fileName+postfix; ???????} ???????if(path==null) ???path = ""; ???????try ???????{ ???????????int read = 0; ???????????byte[] bytes = new byte[1024]; ????????????????OutputStream out = new FileOutputStream(new File(Config.UPLOAD_PATH+File.separatorChar +path+ File.separatorChar+fileName)); ???????????while ((read = fileInputStream.read(bytes)) != -1) ???????????{ ???????????????out.write(bytes, 0, read); ???????????} ???????????out.flush(); ???????????out.close(); ???????} catch (IOException e) ???????{ ???????????throw new WebApplicationException(); ???????} ???????return "uploaded successfully"; ???}}

<properties> ???????<jersey2.version>2.19</jersey2.version> ???????<jaxrs.version>2.0.1</jaxrs.version> ???</properties> ?????<dependencies> ???????<dependency> ???????????<groupId>junit</groupId> ???????????<artifactId>junit</artifactId> ???????????<version>3.8.1</version> ???????????<scope>test</scope> ???????</dependency> ????????<dependency> ???????????<groupId>org.eclipse.jetty</groupId> ???????????<artifactId>jetty-server</artifactId> ???????????<version>9.4.14.v20181114</version> ???????</dependency> ???????<dependency> ???????????<groupId>org.eclipse.jetty</groupId> ???????????<artifactId>jetty-servlets</artifactId> ???????????<version>9.4.14.v20181114</version> ???????</dependency> ???????<dependency> ???????????<groupId>org.eclipse.jetty</groupId> ???????????<artifactId>jetty-servlet</artifactId> ???????????<version>9.4.14.v20181114</version> ???????</dependency> ????????<!-- JAX-RS --> ???????<dependency> ???????????<groupId>javax.ws.rs</groupId> ???????????<artifactId>javax.ws.rs-api</artifactId> ???????????<version>${jaxrs.version}</version> ???????</dependency> ???????<!-- Jersey 2.19 --> ???????<dependency> ???????????<groupId>org.glassfish.jersey.containers</groupId> ???????????<artifactId>jersey-container-servlet</artifactId> ???????????<version>${jersey2.version}</version> ???????</dependency> ???????<dependency> ???????????<groupId>org.glassfish.jersey.core</groupId> ???????????<artifactId>jersey-server</artifactId> ???????????<version>${jersey2.version}</version> ???????</dependency> ???????<dependency> ???????????<groupId>org.glassfish.jersey.core</groupId> ???????????<artifactId>jersey-client</artifactId> ???????????<version>${jersey2.version}</version> ???????</dependency> ????????<dependency> ???????????<groupId>org.glassfish.jersey.media</groupId> ???????????<artifactId>jersey-media-multipart</artifactId> ???????????<version>2.19</version> ???????</dependency> ???</dependencies>

mvn package

java -jar uploader-0.0.1-SNAPSHOT.jar

java -jar target/uploader-0.0.1-SNAPSHOT.jar -port 8777 -uploadpath C:\Users\yuchongshen\