//customer类
public class customer {
private int id;
private String name;
private String sex;
private int age;
private String phone;
private String email;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
public String getPhone() {
return phone;
}
public void setPhone(String phone) {
this.phone = phone;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public customer(String name, String sex, int age, String phone, String email) {
this.name = name;
this.sex = sex;
this.age = age;
this.phone = phone;
this.email = email;
}
public customer() {
}
}
//customerlist类 增、删、改、查、显示功能
public class customerlist {
private customer[] customers;
private int num;
/**
* 初始化customer数组
* @param totalCustomer 指定customer数组的最大空间
*/
public customerlist (int totalCustomer) {
customers=new customer[totalCustomer];
}
/**
* 用途:将参数customer添加组中最后一个客户对象记录之后
* @param customer 指定要添加的客户对象
* @return 添加成功返回true; false表示数组已满，无法添加
*/
public boolean addCustomer( customer customer) {
if(num>=customers.length)
return false;
else {
customers[num] = customer;
num++;
return true;
}
}
/**
* 用途:用参数customer替换数组中由index指定的对象
* @param index 指定所替换对象在数组中的位置，从0开始
* @param cust 指定替换的新客户对象
* @return 替换成功返回true; false表示索引无效，无法替换
*/
public boolean replaceCustomer(int index, customer cust){
if(index<0||index>=num)
return false;
else {
customers[index]=cust;
return true;
}
}
/**
*删除客户
* @param index 指定删除的新客户对象
* @return
*/
public boolean deleteCustomer(int index ){
if(index<0||index>=num){
return false;
}
else {
for(int i=index;i<num-1;i++) {
customers[i] = customers[i + 1];
}
customers[num-1]=null;
num--;
return true;
}
}
/**
* 显示所有客户
* @return
*/
public customer[] getAllCustomers(){
customer[] cus=new customer[num];
for(int i=0;i<num;i++){
cus[i]=customers[i];
}
return cus;
}
/**
* 查找指定位置的客户
* @param index
* @return
*/
public customer getCustomer(int index){
if(index<0||index>=num){
return null;
}
else
return customers[index];
}
/**
* 获取客户的数量
* @return
*/
public int getNum(){
return num;
}
}
//customerview类 进行操作的一个类
import java.util.Scanner;
public class customerview {
private customerlist cust=new customerlist(10);
Scanner sc=new Scanner(System.in);
public customerview() {
customer custu=new customer("小明","男",18,"123456789","qq.com");
cust. addCustomer(custu);
}
/**
* 主界面
*/
public void enterMainMenu(){
boolean flag=true;
while(flag) {
System.out.println("----------------客户管理系统--------------");
System.out.println(" 1.添加客户");
System.out.println(" 2.修改客户");
System.out.println(" 3.删除客户");
System.out.println(" 4.显示客户");
System.out.println(" 5.退出");
System.out.println("请选择（1-5）");
int n=sc.nextInt();
switch(n){
case 1: addNewCustomer();break;
case 2:modifyCustomer();break;
case 3:deleteCustomer();break;
case 4:listAllCustomers();break;
case 5: System.out.println("是否退出y/n");break;
}
if(n==5){
String str=sc.next();
if(str.equals("y")||str.equals("Y")){
flag=false;
}
}
}
}
/**
* 添加客户
*/
private void addNewCustomer (){
System.out.println("-----------------添加客户-------------");
System.out.print("姓名:");
String str=sc.next();
System.out.print("性别:");
String str1=sc.next();
System.out.print("年龄:");
int n=sc.nextInt();
System.out.print("电话:");
String str2=sc.next();
System.out.print("邮箱:");
String str3=sc.next();
customer custu=new customer(str,str1,n,str2,str3);
boolean flag= cust. addCustomer(custu);
if(flag)
System.out.println("添加成功");
else
System.out.println("客户内存满了，添加失败");
}
/**
* 修改客户
*/
private void modifyCustomer(){
System.out.println("修改客户");
System.out.print("要修改的客户编号");
boolean flag;
int n;
do{
n=sc.nextInt();
if(n<1||n>cust.getNum()){
flag=true;
System.out.println("找不到指定客户");
}
else
flag=false;
}while(flag);
customer cus=cust.getCustomer(n-1);
String str1,str2,str3,str4;
int m;
System.out.print("姓名(" + cus.getName() + ")");
str1 = sc.next();
System.out.print("姓别(" + cus.getSex() + ")");
str2 = sc.next();
System.out.print("年龄(" + cus.getAge() + ")");
m = sc.nextInt();
System.out.print("电话(" + cus.getPhone() + ")");
str3 = sc.next();
System.out.print("邮箱(" + cus.getEmail() + ")");
str4 = sc.next();
customer custu=new customer(str1,str2,m,str3,str4);
cust.replaceCustomer(n-1,custu);
}
/**
* 删除客户
*/
private void deleteCustomer(){
System.out.println("删除客户");
System.out.println("要删除的客户编号");
boolean flag;
int n;
do{
n=sc.nextInt();
if(n<1||n>cust.getNum()){
flag=true;
System.out.println("找不到指定客户");
}
else
flag=false;
}while(flag);
System.out.println("是否确认删除y/n");
String str=sc.next();
if(str.equals("y")||str.equals("Y")){
cust.deleteCustomer(n-1);
}
}
/**
* 显示客户信息
*/
private void listAllCustomers () {
System.out.println("显示客户");
if (cust.getNum() == 0) {
System.out.println("没有客户");
} else {
System.out.println("编号\t姓名\t性别\t年龄\t电话\t\t\t邮箱");
customer[] cus = cust.getAllCustomers();
for (int i = 0; i < cust.getNum(); i++) {
customer cust = cus[i];
System.out.println((i + 1) + "\t" + cust.getName() + "\t" + cust.getSex() + "\t" + cust.getAge() + "\t" + cust.getPhone() + "\t" + cust.getEmail());
}
}
}
}
//test类 测试类
public class test3 {
public static void main(String[] args) {
customerview cus=new customerview();
cus.enterMainMenu();
}
}