package employee2;
import java.util.Scanner;
public class Main {
static employee []per=new employee[10];
public int empid;
public static void main(String[] args) {
employee.printMenu();
System.out.println("Please choose number 1~4 to do next:");
Scanner input = new Scanner(System.in);
int j = 0;
while(input.hasNextInt()){
int chooseNumber = input.nextInt();
if(chooseNumber != 4){
switch(chooseNumber){
case 1:
System.out.println("请输入员工号 ：");
int empid=input.nextInt();
System.out.println("请输入员工姓名 ：");
String empname=input.next();
System.out.println("请输入公司名称 ：");
String cname=input.next();
System.out.println("请输入工资 ：");
int salary=input.nextInt();
employee p = new employee(empid, empname, cname, salary);
per[j] = p;
j++;
break;
case 2:
System.out.println("请输入要查询的员工号 ：");
int empid1=input.nextInt();
int lower = 0;//第一个元素的下标
int high = per.length - 1;//最后一个元素的下标，几个数字下标就是长度减1
int index = 0;
while(lower<=high){
index = (lower+high)/2;//记录中间元素，用两边之和除2.
if(per[index].empid==(empid1)){//如果得到的数与要查找的数相等则break退出;
break;
}else if(per[index].empid < empid1){//如果得到的数要小于查找的数、就用下标加1;否则减一
lower=index+1;
}else{
high = index-1;
}
}
if(lower<=high){
System.out.println("员工号" + empid1 + "的基本信息为" + per[empid1].empid + " " + per[empid1].empname + " "
+ per[empid1].cname + " " + per[empid1].salary);
}else{
System.out.println("没有该员工号");
}
case 3:
show();
default:
System.out.println("You input the number is not in 1~4 ! "
+ "Please try again!");
break;
}
}else{
System.out.println("Exit!");
System.exit(0);
}
//设置显示延迟，输出结果与重新显示面板之间的延迟；
try
{
Thread.currentThread();
Thread.sleep(3000);//毫秒；
}
catch(Exception e){
}
//重新显示计算器提示面板
employee.printMenu();
System.out.println("Please choose number 1~4 to do next:");
}
input.close();
}
public static void show(){
for(int i=0;i<per.length-1;i++){
System.out.println(per[i].empid + " " + per[i].empname + " "
+ per[i].cname + " " + per[i].salary);
}
}
}
package employee2;
class employee {
public int empid;
public String empname;
public String cname;
public int salary;
public employee(int empid,String empname,String cname,int salary){
this.empid=empid;
this.empname=empname;
this.cname=cname;
this.salary=salary;
}
static void printMenu(){
System.out.println("*********Calculator*********");
System.out.println("****************************");
System.out.println("\t1. Add Employee\t"
+ "\n\t2.Search Employee\t"
+ "\n\t3.Sort Employee\t"
+ "\n\t4.Exit\t");
System.out.println("****************************");
}
}
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