概述
package com.bdkj.utils;
import java.io.UnsupportedEncodingException;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.GregorianCalendar;
import android.util.Log;
public class StringUtil {
/**
* 判断是否是手机号码
*
* @param s
* @return
*/
public static boolean isPhoneNumber(String s) {
return s != null && s.matches("[1-9]\d{10}");
}
/**
* 判断email格式
*
* @param s
* @return
*/
public static boolean isEmail(String s) {
return s != null
&& s.matches("^[a-z0-9-_]{1,30}@[a-z0-9-]{1,65}.[a-z]{2,3}(.[a-z]{2})?$");
}
/**
* 判断qq格式
*
* @param s
* @return
*/
public static boolean isQQ(String s) {
return s != null && s.matches("[1-9][0-9]{4,}");
}
/**
* 判断用户名格式
*
* @param s
* @return
*/
public static boolean isName(String s) {
return s != null && s.matches("^[a-zA-Z0-9_][a-zA-Z0-9_]{0,15}$");
}
/**
* 判断姓名格式
*
* @param s
* @return
*/
public static boolean isZName(String s) {
return s != null && s.matches("^[u4E00-u9FA5]{2,4}$");
}
/**
* 判断密码格式
*
* @param s
* @return
*/
public static boolean isPass(String s) {
return s != null && s.matches("^[a-zA-Z0-9_][a-zA-Z0-9_]{3,15}$");
}
/**
* 判断身份证格式
*
* @param s
* @return
*/
// public static boolean isSfz(String s) {
// // return s != null
// // &&
// // s.matches("[1-9]\d{5}[1-9]\d{3}((0\d)|(1[0-2]))(([0|1|2]\d)|3[0-1])\d{3}([0-9]|[X|x])");
// boolean result = false;
// try {
// if (CheckIDCard.IDCardValidate(s.toUpperCase()).equals("该身份证有效!"))
// result = true;
// } catch (ParseException e) {
// // TODO Auto-generated catch block
// e.printStackTrace();
// }
// return result;
// }
public static boolean isCarNo(String s) {
// return s != null &&
// s.matches("[u4e00-u9fa5]{1}[A-Z]{1}[A-Z_0-9]{5}");
return s != null
&& s.matches("[京|沪|津|渝|冀|晋|蒙|辽|吉|黑|苏|浙|皖|闽|赣|鲁|豫|鄂|湘|粤|桂|琼|川|贵|滇|藏|陕|甘|宁|青|新|港|澳|台]{1}[A-Z]{1}[A-Z_0-9]{5}");
}
/**
* 判断字符串是否给空
*/
public static boolean isEmpty(String s) {
return s == null || s.trim().length() <= 0;
}
/**
* 返回有效的字符串
*
* @param s
* @param placeholder
* @return
*/
public static String getValid(String s, String placeholder) {
return (s == null ? placeholder : s);
}
public static String secTostr(String secStr) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
SimpleDateFormat weekFormat = new SimpleDateFormat("EEEE");
String result = "";
long sec = Long.valueOf(secStr);
Date date = new Date(sec);
Date curDate = new Date();
Calendar calendar = new GregorianCalendar();
calendar.setTime(curDate);
calendar.add(calendar.DATE, 1);
Date tom1 = calendar.getTime();
calendar.add(calendar.DATE, 1);
Date tom2 = calendar.getTime();
if (format.format(curDate).substring(0, 10)
.equals(format.format(date).substring(0, 10))) {
result = "今天(周" + weekFormat.format(curDate).replaceAll("星期", "")
+ ")" + format.format(date).substring(11);
} else if (format.format(tom1).substring(0, 10)
.equals(format.format(date).substring(0, 10))) {
result = "明天(周" + weekFormat.format(tom1).replaceAll("星期", "")
+ ")" + format.format(date).substring(11);
} else if (format.format(tom2).substring(0, 10)
.equals(format.format(date).substring(0, 10))) {
result = "后天(周" + weekFormat.format(tom2).replaceAll("星期", "")
+ ")" + format.format(date).substring(11);
} else {
result = format.format(date);
}
return result;
}
public static long strTosec(String str) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
long result = 0;
Date curDate = new Date();
Calendar calendar = new GregorianCalendar();
calendar.add(calendar.DATE, 1);
Date tom1 = calendar.getTime();
calendar.add(calendar.DATE, 1);
Date tom2 = calendar.getTime();
try {
if (str.contains("今天")) {
String temp = format.format(curDate).substring(0, 10) + " "
+ str.substring(2);
result = format.parse(temp).getTime();
} else if (str.contains("明天")) {
String temp = format.format(tom1).substring(0, 10) + " "
+ str.substring(2);
result = format.parse(temp).getTime();
} else if (str.contains("后天")) {
String temp = format.format(tom2).substring(0, 10) + " "
+ str.substring(2);
result = format.parse(temp).getTime();
}
} catch (ParseException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Log.i("tiem", result + "");
return result;
}
public static String getShortCarno(String carno) {
return carno.subSequence(0, 2) + "***"
+ carno.substring(carno.length() - 2, carno.length());
}
public static String getShortPhone(String phone) {
if (phone.length() > 0)
return phone.subSequence(0, 3) + "***"
+ phone.substring(phone.length() - 3, phone.length());
else
return "";
}
public static String getNextHour() {
// Date date = new Date();
// int next_hour = (date.getHours() + 1) % 24;
// return next_hour == 0 ? "明天" : "今天" + (next_hour < 10 ? "0" : "")
// + next_hour + ":00";
return "明天12:30";
}
public static String outputStr(float output) {
if (output == 1.0)
return "经济";
else if (output == 1.5)
return "舒适";
else if (output == 2.0)
return "商务";
else if (output == 2.5)
return "豪华";
else
return "经济";
}
public static String getMD5(String info) {
try {
MessageDigest md5 = MessageDigest.getInstance("MD5");
md5.update(info.getBytes("UTF-8"));
byte[] encryption = md5.digest();
StringBuffer strBuf = new StringBuffer();
for (int i = 0; i < encryption.length; i++) {
if (Integer.toHexString(0xff & encryption[i]).length() == 1) {
strBuf.append("0").append(
Integer.toHexString(0xff & encryption[i]));
} else {
strBuf.append(Integer.toHexString(0xff & encryption[i]));
}
}
return strBuf.toString();
} catch (NoSuchAlgorithmException e) {
return "";
} catch (UnsupportedEncodingException e) {
return "";
}
}
}
转载于:https://www.cnblogs.com/qwer520/p/4929786.html
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