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