介绍 package com.gcloud.common;
import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import . io . *;/* *
,*图片上传工具类
,* Created by charlin 提醒2017/9/10。
,*/public class UploadImageUtil {
private 才能String 文件类型;
private 才能Long 最大容量;
private 才能Long 宽度;
private 才能;Long 高度;
public 才能;UploadImageUtil (), {,}
public 才能;UploadImageUtil (String ,文件类型,Long 最大尺寸,,Long 宽度,,Long 高度),{
,,,this.fileType =,文件类型;
,,,this.maxSize =,最大容量;
,,,this.width =,宽度;
,,,this.height =,高度;
,,}
,/* *
,,*,检查上传图像大小
,,*
,,*,@param 上传
,,*,@param uploadFileName
,,*,@param uploadContentType
,,* @return
,,*/public 才能;String checkUploadImage (File 上传,String uploadFileName,, String uploadContentType), {
,,,try {
,,,,,if (fileType !=, null), {
,,,,,,,String [], fileTypes =, fileType.split (“”);
,,,,,,,int count =, 0;
,,,,,,,for (int 小姐:=,0;,小姐:& lt;, fileTypes.length;,我+ +),{
,,,,,,,,,if (uploadContentType.equals(文件[我])),{
,,,,,,,,,,,计数+ +;
,,,,,,,,,,,继续;
,,,,,,,,,}
,,,,,,,}
,,,,,,,if (count ==, 0), {
,,,,,,,,,return “您上传的文件类型不对!“;
,,,,,,,}
,,,,,}
,,,,,BufferedImage bi =, ImageIO.read(上传);
,,,,,int w =, bi.getWidth ();
,,,,,int h =, bi.getHeight ();
,,,,,if (w 祝辞,width | |, h 祝辞,高度),{
,,,,,,,return “上传照片宽度和高度不符合要求“;
,,,,,}
,,,,,if (upload.length(),祝辞,最大尺寸),{
,,,,,,,return “上传照片过大“;
,,,,,}
,,,},catch (IOException e), {
,,,,,e.printStackTrace ();
,,,}
,,,return 零;
,,}
,/* *
,,*,图片上传
,,*
,,*,@param 上传
,,*,@param uploadFileName
,,*,@param 路径
,,* @return
,,*,@throws 例外
,,*/public 才能;void uploadImage (File 上传,String uploadFileName,, String 路径),throws Exception {
,,,InputStream is =,空;
,,,OutputStream os =,空;
,,,try {
,,,,,is =, new FileInputStream(上传);
,,,,,File f =, new 文件(路径);
,,,,,if (! f.exists ()), f.mkdirs ();
,,,,,os =, new FileOutputStream(时间+ path “/? +, uploadFileName);
,,,,,byte 缓冲[],=,new 字节[1024];
,,,,,int count =, 0;
,,,,,int flag =, 0;
,,,,,while ((=count is.read(缓冲)),祝辞,0),{
,,,,,,,os.write(缓冲区,,0,,数量);
,,,,,}
,,,},catch (FileNotFoundException e), {
,,,},catch (IOException e), {
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这篇文章给大家分享的是有关Java怎么实现的图片上传工具类的内容。小编觉得挺实用的,因此分享给大家做个参考,一起跟随小编过来看看吧。
具体如下:
