package com.java.activiti.util;
import java.io.ByteArrayInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.*;
import org.apache.commons.lang.StringUtils;
import org.springframework.web.multipart.MultipartFile;
import sun.misc.BASE64Decoder;
import javax.servlet.http.HttpServletRequest;
/**
* 图片上传
* linux下可自动赋权限,可判断windows or linux 按日期分夹存储
* @author szd
*
*/
public class Upload {
private static Upload upload = null;
public static Upload getInstance(){
if (upload==null) {
upload=new Upload();
}
return upload;
}
/**
* 图片上传
* @param
* @param returnUrl
* @param path
* @param strFile
* @param osPlatform
* @return
* @throws IOException
*/
public static String uploadImage(String image,String lastName, String returnUrl, String path, String strFile, EPlatform osPlatform, String strPermission) throws IOException {
List<String> imgList=new ArrayList<String>();
String imagebyte = image;
String fileF = lastName;
String msg = "";//返回存储路径
if((fileF != null && fileF != "") && (imagebyte != null && imagebyte != "")) {
File targetFile = null;
String fileName = new Date().getTime() + "_" + new Random().nextInt(1000) + fileF;//新的文件名
//先判断文件是否存在
SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");//设置日期格式
String fileAdd = df.format(new Date());
File file1 = new File(path + "/" + fileAdd);
//如果文件夹不存在则创建
if (!file1.exists() && !file1.isDirectory()) {
file1.mkdir();
}
targetFile = new File(file1, fileName);
// 解码，然后将字节转换为文件
byte[] bytes = new BASE64Decoder().decodeBuffer(imagebyte);
ByteArrayInputStream ins = new ByteArrayInputStream(bytes);
byte[] buffer = new byte[1024];
FileOutputStream out = new FileOutputStream(targetFile);
int bytesum = 0;
int byteread = 0;
while ((byteread = ins.read(buffer)) != -1) {
bytesum += byteread;
out.write(buffer, 0, byteread); //文件写操作
}
out.close();
//file[i].transferTo(targetFile);
msg = returnUrl + fileAdd + "/" + fileName;
imgList.add(msg);
}
//判断当前操作系统是否是windows
/*if(!"Windows".equals(osPlatform.toString())){
ProcessUitl.getInstance().chmod("-R 755", strPermission);
}*/
return msg;
}
public static List<String> imgUpload(HttpServletRequest request,MultipartFile[] file,String returnUrl) throws IOException {
//String strFile="pwmgr"+File.separator+"imgs"; //这个就是绝对路径
String strFile="partyworkmgr"; //这个就是绝对路径
String strPermission="/partyworkmgr/";
String strPath ="";
//获取当前操作系统
EPlatform osPlatform= OSinfo.getOSname();
if(!"Windows".equals(osPlatform.toString())){
//linux 下存储路径
File fDir=new File(File.separator); //File.separator表示根目录，比如现在就表示在D盘下。
File f=new File(fDir,strFile);
strPath = f.toString(); //文件存储位置
}else{
//windows 操作系统下文件存储位置
strPath = request.getSession().getServletContext().getRealPath("upload/imgs"); //文件存储位置
File filePath = new File(strPath);
if(!filePath.exists()) {
filePath.mkdirs();
}
}
//List<String> imgList= Upload.getInstance().uploadImage(file,returnUrl,strPath,strFile,osPlatform,strPermission);
return null;
}
//
public static Map<String,Object> imgUpload (Map<String,Object> map,String returnUrl,HttpServletRequest request) throws IOException {
String strFile="partyworkmgr"; //这个就是绝对路径
String strPermission="/partyworkmgr/";
String strPath ="";
//获取当前操作系统
EPlatform osPlatform= OSinfo.getOSname();
if(!"Windows".equals(osPlatform.toString())){
//linux 下存储路径
File fDir=new File(File.separator); //File.separator表示根目录，比如现在就表示在D盘下。
File f=new File(fDir,strFile);
strPath = f.toString(); //文件存储位置
}else{
//windows 操作系统下文件存储位置
strPath = request.getSession().getServletContext().getRealPath("upload/imgs"); //文件存储位置
File filePath = new File(strPath);
if(!filePath.exists()) {
filePath.mkdirs();
}
}
List<Map<String,String>> newList = new ArrayList<>();
String image1 = (String) map.get("image1");
String image2 = (String) map.get("image2");
String image3 = (String) map.get("image3");
String image4 = (String) map.get("image4");
String image5 = (String) map.get("image5");
if (StringUtils.isNotBlank(image1)){
Map<String,String> map1 = new HashMap<>();
map1.put(image1,map.get("lastName1").toString());
newList.add(map1);
}
if (StringUtils.isNotBlank(image2)){
Map<String,String> map1 = new HashMap<>();
map1.put(image2,map.get("lastName2").toString());
newList.add(map1);
}
if (StringUtils.isNotBlank(image3)){
Map<String,String> map1 = new HashMap<>();
map1.put(image3,map.get("lastName3").toString());
newList.add(map1);
}
if (StringUtils.isNotBlank(image4)){
Map<String,String> map1 = new HashMap<>();
map1.put(image4,map.get("lastName4").toString());
newList.add(map1);
}
if (StringUtils.isNotBlank(image5)){
Map<String,String> map1 = new HashMap<>();
map1.put(image5,map.get("lastName5").toString());
newList.add(map1);
}
List<String> imgList = new ArrayList<>();
for (Map<String,String> im : newList) {
for (Map.Entry<String, String> entry : im.entrySet()) {
String s = Upload.uploadImage(entry.getKey(), entry.getValue(), returnUrl, strPath, strFile, osPlatform, strPermission);
imgList.add(s);
}
}
/*for (Map.Entry<String, String> entry : map1.entrySet()) {
String s =
imgList.add(s);
}*/
//List<String> imgList = Upload.imgUpload(request, file, returnUrl);
switch (imgList.size()) {
case 1:
map.put("image1",imgList.get(0));
break;
case 2:
map.put("image1",imgList.get(0));
map.put("image2",imgList.get(1));
break;
case 3:
map.put("image1",imgList.get(0));
map.put("image2",imgList.get(1));
map.put("image3",imgList.get(2));
break;
case 4:
map.put("image1",imgList.get(0));
map.put("image2",imgList.get(1));
map.put("image3",imgList.get(2));
map.put("image4",imgList.get(3));
break;
case 5:
map.put("image1",imgList.get(0));
map.put("image2",imgList.get(1));
map.put("image3",imgList.get(2));
map.put("image4",imgList.get(3));
map.put("image5",imgList.get(4));
default:
break;
}
return map;
}
}
