关于ajaxfileupload 文件上传实例

package com.phda.controller; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; 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.commons.CommonsMultipartFile; import com.alibaba.fastjson.JSONObject; @Controller @RequestMapping(value="/fileupload") public class TestController extends BasicFunction{ @RequestMapping(value="/et") public String enterTest(HttpServletRequest req,HttpServletResponse resp){ return "et"; } /** * 支持多文件上传 * @param files * @param req * @param resp * @throws IOException */ @ResponseBody @RequestMapping(value="/fileUpload") public void fileUpload (@RequestParam(value = "simpleFile", required = false)CommonsMultipartFile[] files,HttpServletRequest req,HttpServletResponse resp) throws IOException{ for(int i=0;i<files.length;i++){ //String fileName = files[i].getName(); String fileName = files[i].getOriginalFilename(); CommonsMultipartFile tempFile = files[i]; InputStream fis = tempFile.getInputStream(); readFile(fis, "D:\\phda\\uploadFile",fileName); } JSONObject json = new JSONObject(); json.put("status", "1"); json.put("msg", "upload over"); this.responseContent(resp, json.toJSONString()); } /** * * @param inputFile * @param dir */ public static void readFile(File inputFile,String dir,String newFileName){ if(inputFile == null){ System.out.println("==传入文件不为null"); return ; } File newDir = new File(dir); if(!newDir.exists()) newDir.mkdirs();//创建文件目录 try { FileInputStream fis = new FileInputStream(inputFile); FileOutputStream fos = new FileOutputStream(new File(newDir,newFileName)); byte b[] = new byte[1024*1024]; int len = 0; while((len = fis.read(b))!=-1){ fos.write(b, 0, len); } fis.close();//关闭流 fos.close(); } catch ( IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } /** * * @param inputFile * @param dir */ public static void readFile(InputStream fis,String dir,String newFileName){ if(fis == null){ System.out.println("==传入文件不为null"); return ; } File newDir = new File(dir); if(!newDir.exists()) newDir.mkdirs();//创建文件目录 try { FileOutputStream fos = new FileOutputStream(new File(newDir,newFileName)); byte b[] = new byte[1024*1024]; int len = 0; while((len = fis.read(b))!=-1){ fos.write(b, 0, len); } fis.close();//关闭流 fos.close(); } catch ( IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } }