获得随机电话号
private static String[] telFirst = "134,135,136,137,138,139,150,151,152,157,158,159,130,131,132,155,156,133,153".split(",");
private static String getTel() {
int index = getNum(0, telFirst.length - 1);
String first = telFirst[index];
String second = String.valueOf(getNum(1, 888) + 10000).substring(1);
String third = String.valueOf(getNum(1, 9100) + 10000).substring(1);
return first + second + third;
}
private static int getNum(int start,int end){
return (int)(Math.random()*(end-start+1)+start);
}