日期转换工具类 CommUtil.java
- package com.util;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- /**
- * 日期转换工具类
- */
- public class CommUtil {
- /**
- * 将日期格式转换成yyyy-MM-dd的字符串格式
- * 返回值如:2010-10-06
- * @param time 要转换的日期
- * @return
- */
- public static String dateToString(Date time) {
- SimpleDateFormat formatter = new SimpleDateFormat ("yyyy-MM-dd"); //定义将日期格式要换成的格式
- String stringTime = formatter.format(time);
- return stringTime;
- }
- /**
- * 将日期格式转换成yyyyMMdd的字符串格式
- * 返回值如:2010-10-06
- * @param time 要转换的日期
- * @return
- */
- public static String dateTimeToString(Date time) {
- SimpleDateFormat formatter = new SimpleDateFormat ("yyyyMMdd"); //定义将日期格式要换成的格式
- String stringTime = formatter.format(time);
- return stringTime;
- }
- /**
- * 将日期格式转换成yyyy-MM-dd的字符串格式
- * 返回值如:2010-10-06
- * @param time 要转换的日期
- * @return
- */
- public static Date dateToDate(Date time) {
- SimpleDateFormat formatter = new SimpleDateFormat ("yyyy-MM-dd"); //定义将日期格式要换成的格式
- String stringTime = formatter.format(time);
- Date date = null;
- try {
- date = formatter.parse(stringTime);
- } catch (ParseException e) {
- e.printStackTrace();
- }
- return date;
- }
- /**
- * 得到当前时间,以字符串表示
- * @return
- */
- public static String getDate(){
- Date date = new Date();
- return CommUtil.dateToString(date);
- }
- }
日期转换类 DateConverter.java
- package com.util;
- import java.text.DateFormat;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- import java.util.Map;
- import com.opensymphony.xwork2.conversion.impl.DefaultTypeConverter;
- /**
- * 日期转换类
- *
- */
- public class DateConverter extends DefaultTypeConverter {
- private static final DateFormat[] ACCEPT_DATE_FORMATS = {
- new SimpleDateFormat("dd/MM/yyyy"),
- new SimpleDateFormat("yyyy-MM-dd"),
- new SimpleDateFormat("yyyy/MM/dd") }; //支持转换的日期格式
- @Override
- public Object convertValue(Map context, Object value, Class toType) {
- if (toType == Date.class) { //浏览器向服务器提交时,进行String to Date的转换
- Date date = null;
- String dateString = null;
- String[] params = (String[])value;
- dateString = params[0];//获取日期的字符串
- for (DateFormat format : ACCEPT_DATE_FORMATS) {
- try {
- return format.parse(dateString);//遍历日期支持格式,进行转换
- } catch(Exception e) {
- continue;
- }
- }
- return null;
- }
- else if (toType == String.class) { //服务器向浏览器输出时,进行Date to String的类型转换
- Date date = (Date)value;
- return new SimpleDateFormat("yyyy-MM-dd").format(date);//输出的格式是yyyy-MM-dd
- }
- return null;
- }
- }
功能更强大的格式化工具类 FormatUtils.java
- package com.util;
- import java.text.DecimalFormat;
- import java.text.ParseException;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- /**
- * 功能更强大的格式化工具类
- */
- public class FormatUtils {
- private static SimpleDateFormat second = new SimpleDateFormat(
- "yy-MM-dd hh:mm:ss");
- private static SimpleDateFormat day = new SimpleDateFormat("yyyy-MM-dd");
- private static SimpleDateFormat detailDay = new SimpleDateFormat("yyyy年MM月dd日");
- private static SimpleDateFormat fileName = new SimpleDateFormat("yyyy-MM-dd-HH-mm-ss");
- private static SimpleDateFormat tempTime = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
- private static SimpleDateFormat excelDate = new SimpleDateFormat("yyyy/MM/dd");
- /**
- * 格式化excel中的时间
- * @param date
- * @return
- */
- public static String formatDateForExcelDate(Date date) {
- return excelDate.format(date);
- }
- /**
- * 将日期格式化作为文件名
- * @param date
- * @return
- */
- public static String formatDateForFileName(Date date) {
- return fileName.format(date);
- }
- /**
- * 格式化日期(精确到秒)
- *
- * @param date
- * @return
- */
- public static String formatDateSecond(Date date) {
- return second.format(date);
- }
- /**
- * 格式化日期(精确到秒)
- *
- * @param date
- * @return
- */
- public static String tempDateSecond(Date date) {
- return tempTime.format(date);
- }
- public static Date tempDateSecond(String str) {
- try {
- return tempTime.parse(str);
- } catch (ParseException e) {
- e.printStackTrace();
- }
- return new Date();
- }
- /**
- * 格式化日期(精确到天)
- *
- * @param date
- * @return
- */
- public static String formatDateDay(Date date) {
- return day.format(date);
- }
- /**
- * 格式化日期(精确到天)
- *
- * @param date
- * @return
- */
- public static String formatDateDetailDay(Date date) {
- return detailDay.format(date);
- }
- /**
- * 将double类型的数字保留两位小数(四舍五入)
- *
- * @param number
- * @return
- */
- public static String formatNumber(double number) {
- DecimalFormat df = new DecimalFormat();
- df.applyPattern("#0.00");
- return df.format(number);
- }
- /**
- * 将字符串转换成日期
- *
- * @param date
- * @return
- * @throws Exception
- */
- public static Date formateDate(String date) throws Exception {
- return day.parse(date);
- }
- /**
- * 将字符日期转换成Date
- * @param date
- * @return
- * @throws Exception
- */
- public static Date parseStringToDate(String date) throws Exception {
- return day.parse(date);
- }
- public static String formatDoubleNumber(double number) {
- DecimalFormat df = new DecimalFormat("#");
- return df.format(number);
- }
分页工具类 SharePager.java
- package com.util;
- /**
- * 分页工具类
- *
- */
- public class SharePager {
- private int totalRows; //总行数
- private int pageSize = 20; //每页显示的行数
- private int currentPage; //当前页号
- private int totalPages; //总页数
- private int startRow; //当前页在数据库中的起始行
- /**
- * 默认构造函数
- */
- public SharePager()
- {
- }
- /**默认每页10行
- * @param totalRows
- */
- public SharePager(int totalRows)
- {
- this.totalRows = totalRows;
- totalPages =(int) Math.ceil((double)totalRows / (double)pageSize);
- startRow = 0;
- }
- /**可自定义每页显示多少页
- * @param totalRows
- * @param pageSize
- */
- public SharePager(int totalRows, int pageSize)
- {
- this.totalRows = totalRows;
- this.pageSize = pageSize;
- if(this.pageSize<1)
- this.pageSize=1;
- else if(pageSize>20)
- this.pageSize=20;
- // if(this.pageSize>totalRows){
- // this.pageSize=(int)totalRows;
- // }
- totalPages =(int) Math.ceil((double)totalRows / (double)this.pageSize);
- currentPage = 1;
- startRow = 0;
- }
- /**
- * 跳转到首页
- */
- public void first()
- {
- this.currentPage = 1;
- this.startRow = 0;
- }
- /**
- * 跳转到上一页
- */
- public void previous()
- {
- if (currentPage == 1)
- {
- return;
- }
- currentPage--;
- startRow = (currentPage-1) * pageSize;
- }
- /**
- * 跳转到下一页
- */
- public void next()
- {
- if (currentPage < totalPages)
- {
- currentPage++;
- }
- startRow = (currentPage-1) * pageSize;
- }
- /**
- * 跳转到尾页
- */
- public void last()
- {
- this.currentPage = totalPages;
- if(currentPage<1){
- currentPage = 1;
- }
- this.startRow = (currentPage-1) * this.pageSize;
- totalPages =(int) Math.ceil((double)totalRows / (double)this.pageSize);
- }
- /**
- * 跳转到指定页
- * @param currentPage 指定的页
- */
- public void refresh(int currentPage)
- {
- if(currentPage < 0)
- {
- first();
- }
- if (currentPage > totalPages)
- {
- last();
- }else{
- this.currentPage = currentPage;
- this.startRow = (currentPage-1) * this.pageSize;
- }
- }
- public int getStartRow()
- {
- return startRow;
- }
- public int getTotalPages()
- {
- return totalPages;
- }
- public int getCurrentPage()
- {
- return currentPage;
- }
- public int getPageSize()
- {
- return pageSize;
- }
- public void setTotalRows(int totalRows)
- {
- this.totalRows = totalRows;
- }
- public void setStartRow(int startRow)
- {
- this.startRow = startRow;
- }
- public void setTotalPages(int totalPages)
- {
- this.totalPages = totalPages;
- }
- public void setCurrentPage(int currentPage)
- {
- this.currentPage = currentPage;
- }
- public void setPageSize(int pageSize)
- {
- this.pageSize = pageSize;
- }
- public int getTotalRows()
- {
- return totalRows;
- }
- }
-
读取Config文件工具类 PropertiesConfig.java
- package com.util;
- import java.io.BufferedInputStream;
- import java.io.FileInputStream;
- import java.io.InputStream;
- import java.util.Properties;
- /**
- * 读取Config文件工具类
- * @version 1.0
- * @since JDK 1.6
- */
- public class PropertiesConfig {
- /**
- * 获取整个配置文件中的属性
- * @param filePath 文件路径,即文件所在包的路径,例如:java/util/config.properties
- */
- public static Properties readData(String filePath) {
- filePath = getRealPath(filePath);
- Properties props = new Properties();
- try {
- InputStream in = new BufferedInputStream(new FileInputStream(filePath));
- props.load(in);
- in.close();
- return props;
- } catch (Exception e) {
- e.printStackTrace();
- return null;
- }
- }
- private static String getRealPath(String filePath) {
- //获取绝对路径 并截掉路径的”file:/“前缀
- return PropertiesConfig.class.getResource("/" + filePath).toString().substring(6);
- }
- }
MD5编码工具类 MD5Code.java
- package com.util;
- /**
- * MD5编码工具类
- *
- */
- public class MD5Code {
- static final int S11 = 7;
- static final int S12 = 12;
- static final int S13 = 17;
- static final int S14 = 22;
- static final int S21 = 5;
- static final int S22 = 9;
- static final int S23 = 14;
- static final int S24 = 20;
- static final int S31 = 4;
- static final int S32 = 11;
- static final int S33 = 16;
- static final int S34 = 23;
- static final int S41 = 6;
- static final int S42 = 10;
- static final int S43 = 15;
- static final int S44 = 21;
- static final byte[] PADDING = { -128, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0 };
- private long[] state = new long[4];// state (ABCD)
- private long[] count = new long[2];// number of bits, modulo 2^64 (lsb
- // first)
- private byte[] buffer = new byte[64]; // input buffer
- public String digestHexStr;
- private byte[] digest = new byte[16];
- public String getMD5ofStr(String inbuf) {
- md5Init();
- md5Update(inbuf.getBytes(), inbuf.length());
- md5Final();
- digestHexStr = "";
- for (int i = 0; i < 16; i++) {
- digestHexStr += byteHEX(digest[i]);
- }
- return digestHexStr;
- }
- public MD5Code() {
- md5Init();
- return;
- }
- private void md5Init() {
- count[0] = 0L;
- count[1] = 0L;
- // /* Load magic initialization constants.
- state[0] = 0x67452301L;
- state[1] = 0xefcdab89L;
- state[2] = 0x98badcfeL;
- state[3] = 0x10325476L;
- return;
- }
- private long F(long x, long y, long z) {
- return (x & y) | ((~x) & z);
- }
- private long G(long x, long y, long z) {
- return (x & z) | (y & (~z));
- }
- private long H(long x, long y, long z) {
- return x ^ y ^ z;
- }
- private long I(long x, long y, long z) {
- return y ^ (x | (~z));
- }
- private long FF(long a, long b, long c, long d, long x, long s, long ac) {
- a += F(b, c, d) + x + ac;
- a = ((int) a << s) | ((int) a >>> (32 - s));
- a += b;
- return a;
- }
- private long GG(long a, long b, long c, long d, long x, long s, long ac) {
- a += G(b, c, d) + x + ac;
- a = ((int) a << s) | ((int) a >>> (32 - s));
- a += b;
- return a;
- }
- private long HH(long a, long b, long c, long d, long x, long s, long ac) {
- a += H(b, c, d) + x + ac;
- a = ((int) a << s) | ((int) a >>> (32 - s));
- a += b;
- return a;
- }
- private long II(long a, long b, long c, long d, long x, long s, long ac) {
- a += I(b, c, d) + x + ac;
- a = ((int) a << s) | ((int) a >>> (32 - s));
- a += b;
- return a;
- }
- private void md5Update(byte[] inbuf, int inputLen) {
- int i, index, partLen;
- byte[] block = new byte[64];
- index = (int) (count[0] >>> 3) & 0x3F;
- // /* Update number of bits */
- if ((count[0] += (inputLen << 3)) < (inputLen << 3))
- count[1]++;
- count[1] += (inputLen >>> 29);
- partLen = 64 - index;
- // Transform as many times as possible.
- if (inputLen >= partLen) {
- md5Memcpy(buffer, inbuf, index, 0, partLen);
- md5Transform(buffer);
- for (i = partLen; i + 63 < inputLen; i += 64) {
- md5Memcpy(block, inbuf, 0, i, 64);
- md5Transform(block);
- }
- index = 0;
- } else
- i = 0;
- // /* Buffer remaining input */
- md5Memcpy(buffer, inbuf, index, i, inputLen - i);
- }
- private void md5Final() {
- byte[] bits = new byte[8];
- int index, padLen;
- // /* Save number of bits */
- Encode(bits, count, 8);
- // /* Pad out to 56 mod 64.
- index = (int) (count[0] >>> 3) & 0x3f;
- padLen = (index < 56) ? (56 - index) : (120 - index);
- md5Update(PADDING, padLen);
- // /* Append length (before padding) */
- md5Update(bits, 8);
- // /* Store state in digest */
- Encode(digest, state, 16);
- }
- private void md5Memcpy(byte[] output, byte[] input, int outpos, int inpos,
- int len) {
- int i;
- for (i = 0; i < len; i++)
- output[outpos + i] = input[inpos + i];
- }
- private void md5Transform(byte block[]) {
- long a = state[0], b = state[1], c = state[2], d = state[3];
- long[] x = new long[16];
- Decode(x, block, 64);
- /* Round 1 */
- a = FF(a, b, c, d, x[0], S11, 0xd76aa478L); /* 1 */
- d = FF(d, a, b, c, x[1], S12, 0xe8c7b756L); /* 2 */
- c = FF(c, d, a, b, x[2], S13, 0x242070dbL); /* 3 */
- b = FF(b, c, d, a, x[3], S14, 0xc1bdceeeL); /* 4 */
- a = FF(a, b, c, d, x[4], S11, 0xf57c0fafL); /* 5 */
- d = FF(d, a, b, c, x[5], S12, 0x4787c62aL); /* 6 */
- c = FF(c, d, a, b, x[6], S13, 0xa8304613L); /* 7 */
- b = FF(b, c, d, a, x[7], S14, 0xfd469501L); /* 8 */
- a = FF(a, b, c, d, x[8], S11, 0x698098d8L); /* 9 */
- d = FF(d, a, b, c, x[9], S12, 0x8b44f7afL); /* 10 */
- c = FF(c, d, a, b, x[10], S13, 0xffff5bb1L); /* 11 */
- b = FF(b, c, d, a, x[11], S14, 0x895cd7beL); /* 12 */
- a = FF(a, b, c, d, x[12], S11, 0x6b901122L); /* 13 */
- d = FF(d, a, b, c, x[13], S12, 0xfd987193L); /* 14 */
- c = FF(c, d, a, b, x[14], S13, 0xa679438eL); /* 15 */
- b = FF(b, c, d, a, x[15], S14, 0x49b40821L); /* 16 */
- /* Round 2 */
- a = GG(a, b, c, d, x[1], S21, 0xf61e2562L); /* 17 */
- d = GG(d, a, b, c, x[6], S22, 0xc040b340L); /* 18 */
- c = GG(c, d, a, b, x[11], S23, 0x265e5a51L); /* 19 */
- b = GG(b, c, d, a, x[0], S24, 0xe9b6c7aaL); /* 20 */
- a = GG(a, b, c, d, x[5], S21, 0xd62f105dL); /* 21 */
- d = GG(d, a, b, c, x[10], S22, 0x2441453L); /* 22 */
- c = GG(c, d, a, b, x[15], S23, 0xd8a1e681L); /* 23 */
- b = GG(b, c, d, a, x[4], S24, 0xe7d3fbc8L); /* 24 */
- a = GG(a, b, c, d, x[9], S21, 0x21e1cde6L); /* 25 */
- d = GG(d, a, b, c, x[14], S22, 0xc33707d6L); /* 26 */
- c = GG(c, d, a, b, x[3], S23, 0xf4d50d87L); /* 27 */
- b = GG(b, c, d, a, x[8], S24, 0x455a14edL); /* 28 */
- a = GG(a, b, c, d, x[13], S21, 0xa9e3e905L); /* 29 */
- d = GG(d, a, b, c, x[2], S22, 0xfcefa3f8L); /* 30 */
- c = GG(c, d, a, b, x[7], S23, 0x676f02d9L); /* 31 */
- b = GG(b, c, d, a, x[12], S24, 0x8d2a4c8aL); /* 32 */
- /* Round 3 */
- a = HH(a, b, c, d, x[5], S31, 0xfffa3942L); /* 33 */
- d = HH(d, a, b, c, x[8], S32, 0x8771f681L); /* 34 */
- c = HH(c, d, a, b, x[11], S33, 0x6d9d6122L); /* 35 */
- b = HH(b, c, d, a, x[14], S34, 0xfde5380cL); /* 36 */
- a = HH(a, b, c, d, x[1], S31, 0xa4beea44L); /* 37 */
- d = HH(d, a, b, c, x[4], S32, 0x4bdecfa9L); /* 38 */
- c = HH(c, d, a, b, x[7], S33, 0xf6bb4b60L); /* 39 */
- b = HH(b, c, d, a, x[10], S34, 0xbebfbc70L); /* 40 */
- a = HH(a, b, c, d, x[13], S31, 0x289b7ec6L); /* 41 */
- d = HH(d, a, b, c, x[0], S32, 0xeaa127faL); /* 42 */
- c = HH(c, d, a, b, x[3], S33, 0xd4ef3085L); /* 43 */
- b = HH(b, c, d, a, x[6], S34, 0x4881d05L); /* 44 */
- a = HH(a, b, c, d, x[9], S31, 0xd9d4d039L); /* 45 */
- d = HH(d, a, b, c, x[12], S32, 0xe6db99e5L); /* 46 */
- c = HH(c, d, a, b, x[15], S33, 0x1fa27cf8L); /* 47 */
- b = HH(b, c, d, a, x[2], S34, 0xc4ac5665L); /* 48 */
- /* Round 4 */
- a = II(a, b, c, d, x[0], S41, 0xf4292244L); /* 49 */
- d = II(d, a, b, c, x[7], S42, 0x432aff97L); /* 50 */
- c = II(c, d, a, b, x[14], S43, 0xab9423a7L); /* 51 */
- b = II(b, c, d, a, x[5], S44, 0xfc93a039L); /* 52 */
- a = II(a, b, c, d, x[12], S41, 0x655b59c3L); /* 53 */
- d = II(d, a, b, c, x[3], S42, 0x8f0ccc92L); /* 54 */
- c = II(c, d, a, b, x[10], S43, 0xffeff47dL); /* 55 */
- b = II(b, c, d, a, x[1], S44, 0x85845dd1L); /* 56 */
- a = II(a, b, c, d, x[8], S41, 0x6fa87e4fL); /* 57 */
- d = II(d, a, b, c, x[15], S42, 0xfe2ce6e0L); /* 58 */
- c = II(c, d, a, b, x[6], S43, 0xa3014314L); /* 59 */
- b = II(b, c, d, a, x[13], S44, 0x4e0811a1L); /* 60 */
- a = II(a, b, c, d, x[4], S41, 0xf7537e82L); /* 61 */
- d = II(d, a, b, c, x[11], S42, 0xbd3af235L); /* 62 */
- c = II(c, d, a, b, x[2], S43, 0x2ad7d2bbL); /* 63 */
- b = II(b, c, d, a, x[9], S44, 0xeb86d391L); /* 64 */
- state[0] += a;
- state[1] += b;
- state[2] += c;
- state[3] += d;
- }
- private void Encode(byte[] output, long[] input, int len) {
- int i, j;
- for (i = 0, j = 0; j < len; i++, j += 4) {
- output[j] = (byte) (input[i] & 0xffL);
- output[j + 1] = (byte) ((input[i] >>> 8) & 0xffL);
- output[j + 2] = (byte) ((input[i] >>> 16) & 0xffL);
- output[j + 3] = (byte) ((input[i] >>> 24) & 0xffL);
- }
- }
- private void Decode(long[] output, byte[] input, int len) {
- int i, j;
- for (i = 0, j = 0; j < len; i++, j += 4)
- output[i] = b2iu(input[j]) | (b2iu(input[j + 1]) << 8)
- | (b2iu(input[j + 2]) << 16) | (b2iu(input[j + 3]) << 24);
- return;
- }
- public static long b2iu(byte b) {
- return b < 0 ? b & 0x7F + 128 : b;
- }
- public static String byteHEX(byte ib) {
- char[] Digit = { '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A',
- 'B', 'C', 'D', 'E', 'F' };
- char[] ob = new char[2];
- ob[0] = Digit[(ib >>> 4) & 0X0F];
- ob[1] = Digit[ib & 0X0F];
- String s = new String(ob);
- return s;
- }
- }
- package com.util;
- import java.io.BufferedInputStream;
- import java.io.BufferedOutputStream;
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.InputStream;
- import java.io.OutputStream;
- import java.util.Calendar;
- /**
- * 文件上传工具类
- *
- */
- public class UploadUtil {
- private static final int BUFFER_SIZE = 16 * 1024;
- //保存图片
- public static synchronized void copy(File src, File newFile) {
- try {
- InputStream is = null;
- OutputStream os = null;
- try {
- is = new BufferedInputStream(new FileInputStream(src),
- BUFFER_SIZE);
- os = new BufferedOutputStream(new FileOutputStream(newFile),
- BUFFER_SIZE);
- byte[] buffer = new byte[BUFFER_SIZE];
- while (is.read(buffer) > 0) {
- os.write(buffer);
- }
- } finally {
- if (null != is) {
- is.close();
- }
- if (null != os) {
- os.close();
- }
- }
- } catch (Exception e) {
- e.printStackTrace();
- }
- }
- /**
- * 返回 年号+月号+天+时+分+秒+随机码
- * @return
- */
- @SuppressWarnings("static-access")
- public static synchronized String getTime() {
- Calendar calendar = Calendar.getInstance();
- String year = calendar.get(calendar.YEAR) + "";
- String month = (calendar.get(calendar.MONTH) + 1) + "";
- String day = calendar.get(calendar.DAY_OF_MONTH) + "";
- String hour = calendar.get(calendar.HOUR_OF_DAY) + "";
- String minute = calendar.get(calendar.MINUTE) + "";
- String second = calendar.get(calendar.SECOND) + "";
- String milliSecond = calendar.get(calendar.MILLISECOND) + "";
- int r = (int)(Math.random()*100000);
- String random = String.valueOf(r);
- return year + month + day + hour + minute + second + milliSecond + random+"a";
- }
- }