lycgxy的专栏

private BufferedImage reSizeImage(BufferedImage image,int width,int height){ AreaAveragingScaleFilter areaAveragingScaleFilter = new AreaAveragingScaleFilter(width, height); FilteredImageSource filter

/** * 工具类，将传入的对象转换成一个字节数组 * */import java.io.ByteArrayInputStream;import java.io.ByteArrayOutputStream;import java.io.IOExc

public class SecurityUtil { /** * 处理特殊字符(Cross-site scripting (XSS)) * // Filter the HTTP response using SecurityUtil.outputfilter

Ljava.lang.String表示一个字符串数组，即String[] tmp; String.replace 与String.replaceAll replace是基于char 或字符串里德替换;replaceAll是基于正则表达式进行替换。 java.util.Scanner 可以扫瞄文件，字符串以及键盘输入的字符，有与split相同的功能，默认用token:空格。 

import java.util.zip.ZipEntry;import java.util.zip.ZipInputStream;import java.util.zip.ZipOutputStream;//dir2zip:文件夹路径，zipName:zip文件名public void zipDir(String dir2zip, String zipName) throws E

       从文件读取对象        /**         * get file path from object file         * @return         */        private Object getPath() {            FileInputStream fin=null;            Object

import java.util.Calendar;import java.util.Date;import java.text.SimpleDateFormat;import java.text.ParseException;public class DateUtil {    public static final int SECONDE=1000;    pu

//从站点上下载文件 public File download(HttpServletRequest request,                HttpServletResponse response){            LogSearchDTO logSearchDTO = (LogSearchDTO)request.getSession().getAttribute(S

import java.io.File;import java.lang.reflect.InvocationTargetException;import java.lang.reflect.Method;public class test {    /**     * @param args     * @throws NoSuchMethodExceptio

package com.avetti.util;/*** A Base64 Encoder/Decoder.** * This class is used to encode and decode data in Base64 format as described in RFC 1521.** * This is "Open Source" software an

import java.io.IOException;import java.io.InputStream;import java.util.Properties;public class Config { private static Properties prop = null; //web项目下的路径 private static String pro

 import java.io.UnsupportedEncodingException;import java.util.Date;import java.util.Map;import java.util.Properties;import javax.mail.Address;import javax.mail.Message;import javax.mail.

import java.io.ByteArrayOutputStream;import java.io.FileOutputStream;import java.io.IOException;import net.lingala.zip4j.exception.ZipException;import net.lingala.zip4j.io.ZipOutputStream;