httpurlconnection发送文件到服务端并接收
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客户端代码
import java.io.DataInputStream;import java.io.File;import java.io.FileInputStream;import java.io.OutputStream;import java.net.HttpURLConnection;import java.net.URL;/* * @author xk * 上传文件到文件服务器的客户端 */public class FileUploadClient{ public static void main(String[] args) { try {// URL url = new URL("http://127.0.0.1:8888/fileSys/getFile.action?filePath=/c/v/b/&fileName=test.zip"); URL url = new URL("http://127.0.0.1:8888/fileSys/getFile.action?filePath=/c/v/b/&fileName=test.zip"); HttpURLConnection conn = (HttpURLConnection)url.openConnection(); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setUseCaches(false); conn.setRequestMethod("POST"); conn.setRequestProperty("Content-Type","text/html"); conn.setRequestProperty("Cache-Control","no-cache"); conn.setRequestProperty("Charsert", "UTF-8"); conn.connect(); conn.setConnectTimeout(10000); OutputStream out =conn.getOutputStream(); File file = new File("C:\\fileSys\\test.zip"); DataInputStream in = new DataInputStream(new FileInputStream(file)); int bytes = 0; byte[] buffer = new byte[1024]; while ((bytes = in.read(buffer)) != -1) { out.write(buffer, 0, bytes); } in.close(); out.flush(); out.close(); conn.getInputStream(); conn.disconnect(); } catch (Exception e) { System.out.println("发送文件出现异常!" + e); e.printStackTrace(); }}}
服务端代码,接收文件
import java.io.File;import java.io.FileOutputStream;import java.io.InputStream;import javax.servlet.http.HttpServletRequest;import org.apache.struts2.ServletActionContext;import com.opensymphony.xwork2.Action;import com.opensymphony.xwork2.ActionSupport;import com.property.PropertyUtil;public class GetFileAction extends ActionSupport {private static final long serialVersionUID = -9108080625441081032L; public String execute() throws Exception { String rootPath = PropertyUtil.getProperty("fileSys.properties","fileSys.path");HttpServletRequest request = ServletActionContext.getRequest();String filePath = request.getParameter("filePath");String fileName = request.getParameter("fileName");InputStream input = request.getInputStream(); String fileFullPath = rootPath + filePath + fileName; File file = new File(rootPath + filePath);if(!file.exists()){file.mkdirs();}FileOutputStream fos = new FileOutputStream(fileFullPath);int size = 0;byte[] buffer = new byte[1024];while ((size = input.read(buffer,0,1024)) != -1) {fos.write(buffer, 0, size);}fos.close();input.close();return Action.NONE; } }
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