forked from integrated_whb/integrated_whb
116 lines
3.2 KiB
Java
116 lines
3.2 KiB
Java
package com.zcloud.util;
|
||
|
||
import org.apache.commons.io.FileUtils;
|
||
import org.springframework.web.multipart.MultipartFile;
|
||
|
||
import javax.imageio.ImageIO;
|
||
import java.awt.image.BufferedImage;
|
||
import java.io.*;
|
||
import java.net.MalformedURLException;
|
||
import java.net.URL;
|
||
|
||
/**
|
||
* 说明：上传文件
|
||
* 作者：luoxiaobao
|
||
* 官网：www.qdkjchina.com
|
||
*/
|
||
public class FileUpload {
|
||
|
||
/**上传文件
|
||
* @param file //文件对象
|
||
* @param filePath //上传路径
|
||
* @param fileName //文件名
|
||
* @return 文件名
|
||
*/
|
||
public static String fileUp(MultipartFile file, String filePath, String fileName){
|
||
String extName = ""; // 扩展名格式：
|
||
try {
|
||
if (file.getOriginalFilename().lastIndexOf(".") >= 0){
|
||
extName = file.getOriginalFilename().substring(file.getOriginalFilename().lastIndexOf("."));
|
||
}
|
||
copyFile(file.getInputStream(), filePath, fileName+extName).replaceAll("-", "");
|
||
} catch (IOException e) {
|
||
System.out.println(e);
|
||
}
|
||
return fileName+extName;
|
||
}
|
||
|
||
/**
|
||
* 写文件到当前目录的upload目录中
|
||
* @param in
|
||
* @param fileName
|
||
* @throws IOException
|
||
*/
|
||
public static String copyFile(InputStream in, String dir, String realName)
|
||
throws IOException {
|
||
File file = mkdirsmy(dir,realName);
|
||
FileUtils.copyInputStreamToFile(in, file);
|
||
in.close();
|
||
return realName;
|
||
}
|
||
|
||
|
||
/**判断路径是否存在，否：创建此路径
|
||
* @param dir 文件路径
|
||
* @param realName 文件名
|
||
* @throws IOException
|
||
*/
|
||
public static File mkdirsmy(String dir, String realName) throws IOException{
|
||
File file = new File(dir, realName);
|
||
if (!file.exists()) {
|
||
if (!file.getParentFile().exists()) {
|
||
file.getParentFile().mkdirs();
|
||
}
|
||
file.createNewFile();
|
||
}
|
||
return file;
|
||
}
|
||
|
||
|
||
/**下载网络图片上传到服务器上
|
||
* @param httpUrl 图片网络地址
|
||
* @param filePath 图片保存路径
|
||
* @param myFileName 图片文件名(null时用网络图片原名)
|
||
* @return 返回图片名称
|
||
*/
|
||
public static String getHtmlPicture(String httpUrl, String filePath , String myFileName) {
|
||
|
||
URL url; //定义URL对象url
|
||
BufferedInputStream in; //定义输入字节缓冲流对象in
|
||
FileOutputStream file; //定义文件输出流对象file
|
||
try {
|
||
String fileName = null == myFileName?httpUrl.substring(httpUrl.lastIndexOf("/")).replace("/", ""):myFileName; //图片文件名(null时用网络图片原名)
|
||
url = new URL(httpUrl); //初始化url对象
|
||
in = new BufferedInputStream(url.openStream()); //初始化in对象，也就是获得url字节流
|
||
//file = new FileOutputStream(new File(filePath +"\\"+ fileName));
|
||
file = new FileOutputStream(mkdirsmy(filePath,fileName));
|
||
int t;
|
||
while ((t = in.read()) != -1) {
|
||
file.write(t);
|
||
}
|
||
file.close();
|
||
in.close();
|
||
return fileName;
|
||
} catch (MalformedURLException e) {
|
||
e.printStackTrace();
|
||
} catch (FileNotFoundException e) {
|
||
e.printStackTrace();
|
||
} catch (IOException e) {
|
||
e.printStackTrace();
|
||
}
|
||
return null;
|
||
|
||
}
|
||
|
||
public static boolean isImage(File file){
|
||
try {
|
||
BufferedImage image = ImageIO.read(file);
|
||
return image != null;
|
||
} catch (IOException e) {
|
||
// TODO Auto-generated catch block
|
||
e.printStackTrace();
|
||
}
|
||
return false;
|
||
}
|
||
}
|