JAVA工具类--手机号生成与正则校验


package utils;import java.util.Random;
import java.util.regex.Pattern;/**
* Created with IntelliJ IDEA.
* Description:
* 手机号正则: ^1[34578][0-9]{9}
* 生成手机号工具类
*
* @author
* Date: 2017-11-09
* Time: 10:24
*/
public class PhoneNoGeneratorUtil { private static String firstNum = "1";
private static String[] secondNumArray = {"3", "4", "5", "7", "8"}; /**
* 调用一次生成一个手机号，手机号后9位数字通过循环生成
*/
public String getPhoneNo() { StringBuffer sb = new StringBuffer();
Random random = new Random();
String secondNum = secondNumArray[random.nextInt(secondNumArray.length)];
sb.append(firstNum);
sb.append(secondNum);
for (int i = 0; i < 9; i++) {
Integer thirdNum = random.nextInt(10);
sb.append(thirdNum.toString());
}
return sb.toString();
} /**
* 当需要生成较大量的手机号时调用该方法
* 后9位数字随机生成，长度不足时则补0
*/
public String getMultiPhoneNo() { StringBuffer sb = new StringBuffer();
Random random = new Random();
String secondNum = secondNumArray[random.nextInt(secondNumArray.length)];
sb.append(firstNum);
sb.append(secondNum);
Integer thirdNum = 1 + random.nextInt(999999999);
if (thirdNum.toString().length() <= 9) {
sb.append(thirdNum);
for (int i = 1; i <= 9 - thirdNum.toString().length(); i++) {
sb.append(0);
}
} else {
sb.append(thirdNum.toString());
}
return sb.toString(); } /**
* 手机号校验
*/
public boolean checkPhoneNo(String phoneNum) { // 定义手机号的规则
String phoneNumPattern = "^1[34578][0-9]{9}";
// 比对phoneNum是否符合定义的规则
boolean result = Pattern.matches(phoneNumPattern, phoneNum);
return result; }}