imagebean.java

一个图片管理程序

package com.sunnitech.bean;

import com.jspsmart.upload.SmartUpload;
import com.sunnitech.Image.ImageConvertor;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;


public class ImageBean {
    public static boolean Convert(SmartUpload myupload, String path, int fCount) throws IOException {
        boolean isOK = false;
        FileInputStream fin1 = null;
        FileInputStream fin2 = null;
        FileOutputStream fout = null;
        FileOutputStream fout_m = null;

        try {
            for(int i = 0; i < fCount; i++) {
                isOK = false;

                String oldpath = path + myupload.getFiles().getFile(i).getFileName();
                String newpath = oldpath;
                String mobilepath = oldpath;
                String renamepath = oldpath;
                int pos = newpath.lastIndexOf(".");
                newpath = newpath.substring(0, pos) + "_new.jpg";
                mobilepath = mobilepath.substring(0, pos) + "_m.jpg";
                renamepath = renamepath.substring(0, pos) + ".jpg";
                fin1 = new FileInputStream(oldpath);
                fin2 = new FileInputStream(oldpath);
                fout = new FileOutputStream(newpath);
                fout_m = new FileOutputStream(mobilepath);
                ImageConvertor.converScale(fin1, fout, 640, 480, 1F);
                ImageConvertor.converScale(fin2, fout_m, 128, 128, 1F);
                fin1.close();
                fin2.close();
                fout.close();
                fout_m.close();

                // ReName
                File myoldfile = new File(oldpath);
                File mynewfile = new File(newpath);

                if(myoldfile.delete()) {
                    mynewfile.renameTo(new File(renamepath));
                    isOK = true;
                }
            }
        } catch(Exception e) {
            System.out.println("image bean err: " + e.getMessage());

            return false;
        } finally {
            if(fin1 != null) {
                fin1.close();
            }

            if(fin2 != null) {
                fin2.close();
            }

            if(fout != null) {
                fout.close();
            }

            if(fout_m != null) {
                fout_m.close();
            }
        }

        return isOK;
    }
}