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866天前/** |
* 功能： 简单的员工薪水管理系统（运用集合ArrayList） |
*/ |
package com.text; |
import java.io.BufferedReader; |
import java.io.IOException; |
import java.io.InputStreamReader; |
import java.util.*;; |
public class Text1 { |
public static void main(String[] args) throws Exception { |
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//创建一个EmpManage |
EmpManage em=new EmpManage(); |
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BufferedReader br =new BufferedReader( new InputStreamReader(System.in)); |
while(true){ |
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System.out.println("请选择操作："); |
System.out.println("1.添加员工"); |
System.out.println("2.查询员工信息"); |
System.out.println("3.修改员工工资"); |
System.out.println("4.显示全部员工信息"); |
System.out.println("5.删除员工"); |
System.out.println("6.退出系统"); |
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String type=br.readLine(); |
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if (type.equals("1")) { |
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System.out.println("请输入员工编号："); |
String empNum =br.readLine(); |
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System.out.println("请输入名字："); |
String name=br.readLine(); |
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System.out.println("请输入员工工资"); |
float sal =Float.parseFloat(br.readLine()); |
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Emp emp =new Emp(empNum, name, sal); |
em.addEmp(emp); |
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}else if (type.equals("2")) { |
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System.out.println("请输入员工编号："); |
String empNum=br.readLine(); |
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em.showInfor(empNum); |
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}else if (type.equals("3")) { |
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System.out.println("请输入员工编号；"); |
String empNum=br.readLine(); |
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System.out.println("请输入修改后的工资："); |
float newSal=Float.parseFloat(br.readLine()); |
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em.updateSal(empNum, newSal); |
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}else if (type.equals("4")) { |
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em.showAllInfor(); |
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}else if (type.equals("5")) { |
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System.out.println("请输入员工编号："); |
String empNum=br.readLine(); |
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em.deleteEmp(empNum); |
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}else if (type.equals("6")) { |
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System.exit(0); |
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} |
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} |
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} |
} |
class EmpManage{ |
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private ArrayList al =null; |
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// 构造函数 |
public EmpManage(){ |
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al=new ArrayList(); |
} |
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//加入员工 |
public void addEmp(Emp emp){ |
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al.add(emp); |
} |
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//根据员工号显示员工信息 |
public void showInfor(String empNum){ |
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//遍历ArrayList |
for (int i=0;i<al.size();i++){ |
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//取出Emp对象 |
Emp emp=(Emp)al.get(i); |
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//比较员工号 |
if (emp.getEmNum().equals(empNum)) { |
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System.out.println("该员工的信息为："); |
System.out.println("员工编号："+emp.getEmNum()); |
System.out.println("名字："+emp.getName()); |
System.out.println("工资："+emp.getSal()); |
}else { |
System.out.println("查无此人！"); |
} |
} |
} |
//显示全部员工信息 |
public void showAllInfor(){ |
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for (int i=0;i<al.size();i++){ |
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Emp emp=(Emp)al.get(i); |
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System.out.println("员工编号"+" 名字"+" 工资"); |
System.out.println(emp.getEmNum()+" "+emp.getName()+" "+emp.getSal()); |
} |
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} |
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//修改员工工资 |
public void updateSal(String empNum,float newSal){ |
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//遍历ArrayList |
for (int i=0;i<al.size();i++){ |
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Emp emp=(Emp)al.get(i); |
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if (emp.getEmNum().equals(empNum)) { |
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emp.setSal(newSal); |
System.out.println("修改成功！！"); |
} |
else { |
System.out.println("输入有误，无此人！"); |
} |
} |
} |
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//删除员工 |
public void deleteEmp(String empNum){ |
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for (int i=0;i<al.size();i++){ |
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Emp emp =(Emp)al.get(i); |
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if (emp.getEmNum().equals(empNum)) { |
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al.remove(i); |
System.out.println("删除成功！！"); |
} |
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} |
} |
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} |
class Emp{ |
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private String name; |
private String emNum; |
private float sal; |
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public Emp(String empNum,String name,float sal){ |
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this.name=name; |
this.emNum=empNum; |
this.sal=sal; |
} |
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public String getName() { |
return name; |
} |
public void setName(String name) { |
this.name = name; |
} |
public String getEmNum() { |
return emNum; |
} |
public void setEmNum(String emNum) { |
this.emNum = emNum; |
} |
public float getSal() { |
return sal; |
} |
public void setSal(float sal) { |
this.sal = sal; |
} |
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} |
