jsp:
<form ng-submit="uploadFile()" class="form-horizontal" enctype="multipart/form-data"> <input type="file" name="file" ng-model="document.fileInput" id="file" onchange="document.getElementById(‘filepath‘).value=this.value;" /> <input name=‘filepath‘ id=‘filepath‘> <button class="btn btn-primary" type="submit"> Submit </button> </form>
js:
$scope.uploadFile=function(){ var formData=new FormData(); formData.append("file",file.files[0]); $http.post(VX.CONFIG.rootPath+‘/uploadFile‘, formData, { transformRequest: function(data, headersGetterFunction) { return data; }, headers: { ‘Content-Type‘: undefined } }).success(function(data, status) { console.log(data); console.log("Success ... " + status); }).error(function(data, status) { console.log("Error ... " + status); console.log(data); }); };
java:
package com.nirvanainfo.salesleads.api.controller.common; import com.nirvanainfo.salesleads.api.utils.Global; import com.nirvanainfo.salesleads.api.utils.ImageHandleUtill; import com.nirvanainfo.salesleads.api.utils.ResultBean; import com.nirvanainfo.salesleads.api.utils.ResultPageBean; import com.nirvanainfo.salesleads.service.convert.CsvUtil; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.FileItemFactory; import org.apache.commons.fileupload.FileUpload; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.json.simple.JSONObject; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestParam; import org.springframework.web.bind.annotation.ResponseBody; import org.springframework.web.multipart.MultipartFile; import javax.imageio.ImageIO; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import java.awt.image.BufferedImage; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import java.io.PrintWriter; import java.text.NumberFormat; import java.text.SimpleDateFormat; import java.util.*; /** * Created by Choice on 2016/4/25. */ @Controller @RequestMapping("uploadFile") public class UploadFileController extends BaseController{ private static Log log = LogFactory.getLog(UploadFileController.class); @RequestMapping("") public @ResponseBody Object UploadFile(@RequestParam(value="file", required=true) MultipartFile file,HttpServletRequest request, HttpServletResponse response) { PrintWriter out = null; try { //文件保存目录路径 String savePath = Global.getUploadPath() + ""; //文件保存目录URL String saveUrl = "/"; //定义允许上传的文件扩展名 HashMap<String, String> extMap = new HashMap<String, String>(); extMap.put("file", "xls,xlsx,csv"); //最大文件大小 long maxSize = 20*1024*1024; response.setContentType("text/html; charset=UTF-8"); out = response.getWriter(); //获取社群个人文件目录 String permissionsDir = ""; if(!ServletFileUpload.isMultipartContent(request)){ return new ResultBean<>(201, "Please select a file."); } //检查目录 File uploadDir = new File(savePath); if (!uploadDir.exists()) { uploadDir.mkdirs(); } String dirName = request.getParameter("dir"); if (dirName == null) { dirName = "file"; } //创建文件夹 savePath += permissionsDir.length() > 0 ? permissionsDir + "/" + dirName + "/" : "/" + dirName + "/"; saveUrl += permissionsDir.length() > 0 ? permissionsDir + "/" + dirName + "/": "/" + dirName + "/"; File saveDirFile = new File(savePath); if (!saveDirFile.exists()) { saveDirFile.mkdirs(); } SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd"); String ymd = sdf.format(new Date()); savePath += ymd + "/"; saveUrl += ymd + "/"; File dirFile = new File(savePath); if (!dirFile.exists()) { dirFile.mkdirs(); } if (dirName.equals("file")) { file.transferTo(new File(savePath+file.getOriginalFilename())); System.out.println(savePath+file.getOriginalFilename()); CsvUtil util = new CsvUtil(savePath+file.getOriginalFilename()); int rowNum = util.getRowNum(); int colNum = util.getColNum(); if(rowNum<=101){ boolean delResult=deleteFile(savePath+file.getOriginalFilename()); if(delResult){ log.info("del success"); }else{ log.info("del fail"); } return new ResultBean<>(201, "The content of the file should be at least 100."); } List<String> columns=new ArrayList<String>(); for(int j=0;j<colNum;j++){ String key=null; key=util.getString(0, j); columns.add(key); } System.out.println(columns); Boolean result=true; if(result){ result=columns.contains("FirstName"); if(result){ result=columns.contains("LastName"); if(result){ result=columns.contains("Company"); if(result){ result=columns.contains("Address1"); if(result){ result=columns.contains("City"); if(result){ result=columns.contains("State"); if(result){ result=columns.contains("Zip"); if(result){ result=columns.contains("Email"); if(result){ result=columns.contains("Phone"); } } } } } } } } } if(!result){ boolean delResult=deleteFile(savePath+file.getOriginalFilename()); if(delResult){ log.info("del success"); }else{ log.info("del fail"); } return new ResultBean<>(201, "File must contain the following columns:FirstName,LastName,Company,Address1,City,State,Zip,Email,Phone."); } } } catch (Exception e) { return new ResultBean<>(300, "fail"); } return new ResultBean<>(200, "success"); } private static boolean deleteFile(String path){ boolean del=false; File file=new File(path); if(file.isFile()){ file.delete(); del=true; } return del; } }
java上传下载参考:http://www.cnblogs.com/lcngu/p/5471610.html
原文地址:https://www.cnblogs.com/jiangzhaowei/p/9483376.html
时间: 2024-11-05 20:32:23