int lastIndex = originalFilename.lastIndexOf("."); String fileSuffix = originalFilename.substring(lastIndex); String filePrefix = originalFilename.substring(0, lastIndex); String fileName = new StringBuilder().append(filePrefix).append(uuid).append(fileSuffix).toString(); // 文件上层目录 Stri...
importjava.io.DataOutputStream;importjava.io.File;importjava.io.FileInputStream;importjava.io.IOException;importjava.net.HttpURLConnection;importjava.net.URL;publicclassFileUploader{publicstaticvoidmain(String[] args){Stringurl="http://example.com/upload";StringfileName="path/to/file.txt";try{URL...
files = upload.parseRequest(request); } catch (FileUploadException e) {// 解析文件数据错误 out.println("read file data error:" + e.toString()); return; } FileItem rangeFile = null; // 得到所有上传的文件 Iterator fileItr = files.iterator(); // 循环处理所有文件 while (fileItr.hasNext(...
1、新建Servlet类FileUploadTest,并重写doGet与doPost方法;在doGet方法中调用doPost方法 2、在web.xml文件中配置Servlet <servlet> <servlet-name>fileUploadTest</servlet-name> <servlet-class>com.scxh.upload.FileUploadTest</servlet-class> </servlet> <servlet-mapping> <servlet-name>fileUploadTest</servlet...
publicclassFileUploader{publicstaticvoidmain(String[]args){StringserverUrl="http://localhost:5000/upload";StringfilePath="path/to/your/file.txt";Filefile=newFile(filePath);try(CloseableHttpClienthttpClient=HttpClients.createDefault()){HttpPosthttpPost=newHttpPost(serverUrl);MultipartEntityBuilderbuilder=...
使用fileUpload组件首先需要引入两个jar包: commons-fileUpload.jar commons-io.jar fileUpload的核心类有DiskFileItemFactory、ServletFileUpload、FileItem。 使用fileUpload固定步骤: 创建工厂类:DiskFileItemFactory factory=new DiskFileItemFactory(); 创建解析器:ServletFileUpload upload=new ServletFileUpload(factory...
首先讲解了文件上传的基本原理,然后介绍了文件上传的相关知识,包括Commons FileUpload组件的核心API、Commons FileUpload组件的下载、使用Commons FileUpload组件实现文件上传等,接着讲解了文件下载的具体步骤,最后介绍了文件下载的代码实现。通过对本章知识的学习,大家要理解文件上传、下载的原理,掌握Commons FileUpload组件的...
1) DiskFileItemFactory() // 使用默认配置 2) DiskFileItemFactory(int sizeThreshold, File repository) sizeThreshold 内存缓冲区, 不能设置太大, 否则会导致JVM崩溃 repository 临时文件目录 2. ServletFileUpload 1) isMutipartContent(request) // 判断上传表单是否为multipart/form-data类型 true/false ...
8080/UploadFileServer/upload";//手机端要上传的文件,首先要保存你手机上存在该文件StringfilePath=Environment.getExternalStorageDirectory() +"/1/power.apk";AsyncHttpClienthttpClient=newAsyncHttpClient();RequestParamsparam=newRequestParams();try{param.put("file",newFile(filePath));param.put("content","...
代码如下：package com.fr.output;import java.io.File;import com.fr.json.JSONException;import com.fr.json.JSONObject;import com.fr.schedule.output.AbstractOutputFileAction;import com.fr.schedule.output.FTPTransmission;import com.fr.schedule.output.OutputFileAction;public class FTPUpload extends Abstract...