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package util;
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import net.jntoo.db.Query;
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import com.alibaba.fastjson.*;
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import javax.servlet.http.HttpServletRequest;
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import java.io.UnsupportedEncodingException;
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import java.lang.reflect.Method;
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import java.text.DateFormat;
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import java.text.SimpleDateFormat;
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import java.util.*;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* 操作类
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*/
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public class Info {
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/**
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* 获取单页内容
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* @param name
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* @param length
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* @return
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*/
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public static String dx(String name, int length) {
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HashMap row = Query.make("dx").where("leibie" , "name").find();
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if (row == null || row.get("content") == null || row.isEmpty()) {
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return "";
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} else {
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return subStr((String) row.get("content"), length);
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}
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}
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/**
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* 格式化密码，如果要加密在这里设置
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* @param password
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* @return
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*/
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public static String formatPassword(String password)
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{
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return password;
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}
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/**
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* JSON 数据编码
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* @param source
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* @return
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*/
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public static String jsonEncode(Object source)
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{
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return JSON.toJSONString(source);
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}
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public static JSONObject jsonDecode(Object source)
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{
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if(source == null){
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return JSON.parseObject("{}");
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}
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return JSON.parseObject( String.valueOf( source ));
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}
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public static JSONArray jsonDecodeArray( Object source )
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{
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if(source == null){
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return JSON.parseArray("[]");
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}
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return JSON.parseArray( String.valueOf( source ));
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}
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public static List objectSplit(String exp , Object str)
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{
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List arr = new ArrayList();
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if(str == null)
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{
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return arr;
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}
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String s = String.valueOf(str);
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String[] sp = s.split(exp);
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return Arrays.asList(sp);
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}
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/**
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* 获取所有子集下的id
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* @param table 表名
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* @param pid 父级字段
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* @param value 获取的所有子集
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* @return
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*/
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public static String getAllChild( String table , String pid , Object value)
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{
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List templists = Query.make(table).select();
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return StringUtil.join(",",getAllChild( table , pid , value , templists));
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}
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public static List getAllChild( String table , String pid , Object value , List templists)
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{
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List $ret = null;
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List<HashMap> lists = templists;
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List $result = new ArrayList();
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String parentid = String.valueOf(value);
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$result.add(parentid);
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for (HashMap child : lists){
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if(child.get(pid).equals(parentid))
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{
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$ret = getAllChild( table , pid , child.get("id") , templists );
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if($ret.size() > 0){
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$result.addAll($ret);
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}
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}
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}
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return $result;
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}
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public static String postion(String table , String pid , String name , String value)
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{
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List items = new ArrayList();
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String parentid = value;
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do {
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HashMap mp = dao.Query.make(table).find(parentid);
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if(mp.isEmpty()){
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break;
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}
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items.add(mp.get(name));
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parentid = mp.get(pid).toString();
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}while ( !parentid.equals("") && !parentid.equals("0") );
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Collections.reverse(items);
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return StringUtil.join(" ",items);
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}
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public static String getTreeOption(String table , String pid , String name , Object value)
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{
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return postion(table , pid , name , String.valueOf(value));
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}
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/**
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* 获取两个日期相差的天数
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* @param dateA
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* @param dateB
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* @return
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*/
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public static int getBetweenDayNumber(String dateA, String dateB) {
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long dayNumber = 0;
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//1小时=60分钟=3600秒=3600000
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long mins = 60L * 1000L;
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//long day= 24L * 60L * 60L * 1000L;计算天数之差
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SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm");
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try {
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Date d1 = df.parse(dateA);
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Date d2 = df.parse(dateB);
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dayNumber = (d2.getTime() - d1.getTime()) / mins;
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} catch (Exception e) {
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e.printStackTrace();
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}
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return (int) dayNumber;
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}
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/**
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* 获取唯一id，生成随机编号
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* @return
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*/
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public synchronized static String getID() {
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Random random = new Random();
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StringBuffer ret = new StringBuffer(20);
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Date date = new Date();
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SimpleDateFormat format = new SimpleDateFormat("MMddHHmmss", Locale.CHINA);
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ret.append(format.format(date));
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String rand = String.valueOf(Math.abs(random.nextInt()));
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//ret.append(getDateStr());
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ret.append(rand.substring(0, 4));
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return ret.toString();
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}
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/**
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* 字符串截取，先把html 标签去除
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* @param source
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* @param length
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* @return
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*/
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public synchronized static String subStr(Object source, int length) {
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return subStr(source , length , "...");
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}
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/**
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* 字符串截取，先把html 标签去除
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* @param source
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* @param length
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* @return
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*/
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public synchronized static String subStr(Object source, int length , String append) {
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if(source == null) return "";
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String str = delHTMLTag(source.toString());
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if (str.length() > length) {
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str = ( str.substring(0, length)) + append;
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}
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return str;
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}
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/**
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* 获取当前日期时间
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* @return
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*/
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public static String getDateStr() {
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String dateString = "";
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try {//yyyyMMddHHmmss
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SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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Date currentTime_1 = new Date();
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dateString = formatter.format(currentTime_1);
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} catch (Exception e) {
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}
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return dateString;
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}
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/**
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* 获取utf8 字符串
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* @param str
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* @return
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*/
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public static String getUTFStr(String str) {
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if (str == null) {
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return "";
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}
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try {
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str = new String(str.getBytes("ISO-8859-1"), "utf-8");
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} catch (UnsupportedEncodingException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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return str;
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}
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/**
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* 删除html标签
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* @param htmlStr
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* @return
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*/
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public static String delHTMLTag(String htmlStr) {
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String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; //定义script的正则表达式
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String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; //定义style的正则表达式
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String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式
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Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
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Matcher m_script = p_script.matcher(htmlStr);
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htmlStr = m_script.replaceAll(""); //过滤script标签
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Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
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Matcher m_style = p_style.matcher(htmlStr);
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htmlStr = m_style.replaceAll(""); //过滤style标签
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Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
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Matcher m_html = p_html.matcher(htmlStr);
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htmlStr = m_html.replaceAll(""); //过滤html标签
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return htmlStr.trim(); //返回文本字符串
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}
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/**
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* 格式化日期
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* @param date
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* @param day
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* @return
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*/
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public static String getDay(String date, int day) {
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String b = date.substring(0, 10);
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String c = b.substring(0, 4);
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String d = b.substring(5, 7);
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String f = b.substring(8, 10);
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String aa = c + "/" + d + "/" + f;
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String a = "";
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DateFormat dateFormat = DateFormat.getDateInstance(DateFormat.MEDIUM);
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GregorianCalendar grc = new GregorianCalendar();
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grc.setTime(new Date(aa));
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grc.add(GregorianCalendar.DAY_OF_MONTH, day);
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String resu = dateFormat.format(grc.getTime());
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String t[] = resu.split("-");
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String sesuu = "";
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for (int i = 0; i < t.length; i++) {
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if (t[i].length() == 1) {
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t[i] = "0" + t[i];
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}
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sesuu += t[i] + "-";
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}
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return sesuu.substring(0, 10);
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}
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/**
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* 比较时间大小
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*/
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public static long compare_datetime(String DATE1, String DATE2) {
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DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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try {
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Date dt1 = df.parse(DATE1);
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Date dt2 = df.parse(DATE2);
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return dt1.getTime()-dt2.getTime();
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} catch (Exception exception) {
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exception.printStackTrace();
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}
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return -1;
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}
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/**
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* 格式化代码
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* @param source
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* @return
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*/
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public static String html(Object source) {
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return html( source.toString());
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}
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/**
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* 格式化字符串
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* @param source
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* @return
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*/
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public static String html(String source) {
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if (source == null) {
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return "";
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}
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String html = "";
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StringBuffer buffer = new StringBuffer();
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for (int i = 0; i < source.length(); i++) {
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char c = source.charAt(i);
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switch (c) {
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case '<':
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buffer.append("<");
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break;
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case '>':
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buffer.append(">");
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break;
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case '&':
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buffer.append("&");
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break;
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case '"':
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buffer.append(""");
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break;
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default:
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buffer.append(c);
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}
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}
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html = buffer.toString();
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return html;
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}
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/**
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* 获取jstl变量的值
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* @param jstlStr
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* @return
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* @throws Exception
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*/
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public static String jstl(String jstlStr) throws Exception
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{
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String[] strings=jstlStr.split("\\." );
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HttpServletRequest http = Request.getRequest();
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Object object = http.getAttribute(strings[0] );
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return makeTableParam(object , strings[1]);
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}
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public static String jstltable(Object obj , String param) throws Exception
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{
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return makeTableParam(obj , param);
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}
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public static String address(String add)
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{
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if(add == null || add.length() == 0){
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return "";
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}
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JSONObject json = JSONObject.parseObject(add);
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if(json != null && !json.isEmpty()){
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return json.getString("address");
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}
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return "";
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}
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/**
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* 获取images 的第一个图片
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* @param str
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* @return
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*/
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public static String images(String str)
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{
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if(str.indexOf(",")>=0){
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String[] li = str.split(",");
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return li[0];
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}
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return str;
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}
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/**
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* 获取jstl标签的值
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* @param obj
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* @param param
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* @return
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* @throws Exception
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*/
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public static String makeTableParam(Object obj, String param) throws Exception
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{
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if(obj == null){
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return "";
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}
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if(obj instanceof Map)
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{
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Object ret = ((Map) obj).get(param);
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if(ret == null){
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return "";
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}
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return ret.toString();
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}else{
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Class classType=obj.getClass();
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String firstLetter=param.substring(0,1).toUpperCase()+ param.substring(1);
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String getMethodName = "get"+firstLetter;
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Method getMethod=classType.getMethod(getMethodName,new Class[]{});
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Object value=getMethod.invoke(obj,new Object[]{});
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return value.toString();
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}
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}
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/**
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* 获取url 参数
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* @param name
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* @return
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*/
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public static String get(String name) {
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String value = Request.getRequest().getParameter(name);
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return value == null ? "" : value;
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}
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/**
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* 格式化日期
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* @param format
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* @return
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*/
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public static String date(String format) {
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return date(format, null);
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}
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/**
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* 根据时间戳格式化日期
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* @param format
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* @param time
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* @return
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*/
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public static String date(String format, long time) {
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return date(format, new Date(time * 1000));
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}
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/**
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* 获取当前时间戳
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* @return
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*/
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public static long time() {
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return Long.valueOf(new Date().getTime() / 1000).longValue();
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}
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/**
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* 根据日期时间格式化
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* @param format
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* @param time
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* @return
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*/
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public static String date(String format, Date time) {
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if (time == null) {
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time = new Date();
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}
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SimpleDateFormat formatter = new SimpleDateFormat(format);
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return formatter.format(time);
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}
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}
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