package com.films.utils;
import java.security.*;
import java.util.Random;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.upload.FormFile;
public class MyTools {
public final static String MD5(String s) {
char hexDigits[] = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'a', 'b', 'c', 'd', 'e', 'f' };
try {
byte[] strTemp = s.getBytes();
MessageDigest mdTemp = MessageDigest.getInstance("MD5");
mdTemp.update(strTemp);
byte[] md = mdTemp.digest();
int j = md.length;
char str[] = new char[j * 2];
int k = 0;
for (int i = 0; i < j; i++) {
byte byte0 = md[i];
str[k++] = hexDigits[byte0 >>> 4 & 0xf];
str[k++] = hexDigits[byte0 & 0xf];
}
return new String(str);
} catch (Exception e) {
return null;
}
}
//�ϴ������ķ��� [�������ϴ���ͼƬ���]
public static String uploadFilmPhoto(HttpServletRequest request,FormFile ff,String id){
String newPhotoName="";
try{
//���Ǹ�ÿ���û������Լ����ļ���.
String filePath=request.getSession().getServletContext().getRealPath("/");
//filePath���ǵ�ǰ���webӦ���Ǿ��·�� F:\apache-tomcat-6.0.20\webapps\xiaoneinew
//E:\Workspaces\MyEclipse 10\.metadata\.me_tcat\webapps\Films\
InputStream stream = ff.getInputStream();// ���ļ�����
String oldPhotoName=ff.getFileName();
newPhotoName=id+oldPhotoName.substring(oldPhotoName.indexOf("."), oldPhotoName.length());
String newFullNewPath=filePath+File.separator+"upload"+File.separator+"movie"+File.separator;
//�ж�newFullNewPath�ļ����Ƿ����
File f=new File(newFullNewPath);
if(!f.isDirectory()){
//�����ļ���,��������
f.mkdirs();
}
//���ϴ���ͷ�������ɳ� ���.��
OutputStream bos = new FileOutputStream(newFullNewPath+ newPhotoName);
int len = 0;
byte[] buffer = new byte[8192];
while ((len = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, len);// ���ļ�д�������
}
bos.close();
stream.close();
} catch (Exception e) {
e.printStackTrace();
}
return newPhotoName;
}
//�ϴ�ͷ��ķ��� [�������ϴ���ͼƬ���] [��ϣ��������ͼƬ��·�� /xiaoneinew/images/�û�id/head/albumid/ͼƬ]
public static String uploadUserPhoto(HttpServletRequest request,FormFile ff,String id){
String newPhotoName="";
try{
//���Ǹ�ÿ���û������Լ����ļ���.
String filePath=request.getSession().getServletContext().getRealPath("/");
//filePath���ǵ�ǰ���webӦ���Ǿ��·�� F:\apache-tomcat-6.0.20\webapps\xiaoneinew
//E:\Workspaces\MyEclipse 10\.metadata\.me_tcat\webapps\Films\
InputStream stream = ff.getInputStream();// ���ļ�����
String oldPhotoName=ff.getFileName();
newPhotoName=id+oldPhotoName.substring(oldPhotoName.indexOf("."), oldPhotoName.length());
String newFullNewPath=filePath+File.separator+"upload"+File.separator+ "Gravator"+File.separator + id +File.separator;
//�ж�newFullNewPath�ļ����Ƿ����
File f=new File(newFullNewPath);
if(!f.isDirectory()){
//�����ļ���,��������
f.mkdirs();
}
//���ϴ���ͷ�������ɳ� ���.��
OutputStream bos = new FileOutputStream(newFullNewPath+ newPhotoName);
int len = 0;
byte[] buffer = new byte[8192];
while ((len = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, len);// ���ļ�д�������
}
bos.close();
stream.close();
} catch (Exception e) {
e.printStackTrace();
}
return newPhotoName;
}
public static int getRandom(int num){
int n = new Random().nextInt(num);
while (n <200 ){
n = new Random().nextInt(num);
}
return n;
}
}
