电话本管理系统（数组版）

package com.zhp.java;

 

publicclass Person {

   private Stringname;

   private Stringsex;

   privateintage;

   privatelongtel;

   privatelongqq;

   private Stringads;

 

   public Person() {

    }

 

   public Person(Stringname, Stringsex,intage,longtel,longqq, Stringads) {

      this.name =name;

      this.sex =sex;

      this.age =age;

      this.tel =tel;

      this.qq =qq;

      this.ads =ads;

    }

 

   public String getName() {

      returnname;

    }

 

   publicvoid setName(Stringname) {

      this.name =name;

    }

 

   public String getSex() {

      returnsex;

    }

 

   publicvoid setSex(Stringsex) {

      this.sex =sex;

    }

 

   publicint getAge() {

      returnage;

    }

 

   publicvoid setAge(intage) {

      this.age =age;

    }

 

   publiclong getTel() {

      returntel;

    }

 

   publicvoid setTel(longtel) {

      this.tel =tel;

    }

 

   publiclong getQq() {

      returnqq;

    }

 

   publicvoid setQq(longqq) {

      this.qq =qq;

    }

 

   public String getAds() {

      returnads;

    }

 

   publicvoid setAds(Stringads) {

      this.ads =ads;

    }

 

   @Override

   public String toString() {

      return"姓名：" +name +", 性别：" +sex +", 年龄：" +age +", 电话：" +tel +", QQ：" +qq +", 地址：" +ads;

    }

}

 

 

 

package com.zhp.java;

 

import java.util.Scanner;

 

publicclass GuanLi {

    Scannersc =new Scanner(System.in);

    Person[]arr =new Person[100];

   intcurrent = -1;// 用于保存当前数组中的有电话本对象的下标

 

   publicvoid yeWu() {

      intx = 0;

      while (true) {

           System.out.println("请选择业务");

           System.out.println("--------------------电话本管理系统--------------------");

           System.out.println("1.添加    2.删除    3.修改    4.查询所有    5.根据姓名查询    0.退出");

           System.out.println("--------------------电话本管理系统--------------------");

          x =sc.nextInt();

          if (x == 1) {

              add();

           }elseif (x == 2) {

              del();

           }elseif (x == 3) {

              update();

           }elseif (x == 4) {

              selectAll();

           }elseif (x == 5) {

              selectName();

           }elseif (x == 0) {

              exit();

             break;

           }else {

              System.out.println("请选择正确的功能");

           }

       }

    }

 

   // 添加

   publicvoid add() {

       System.out.println("--------------------添加联系人--------------------");

      current++;

       System.out.print("请输入姓名");

       Stringq =sc.nextLine();

       Stringname =sc.nextLine();

       System.out.print("请输入性别");

       Stringsex =sc.nextLine();

       System.out.print("请输入年龄");

      intage =sc.nextInt();

       System.out.print("请输入电话");

      longtel =sc.nextLong();

       System.out.print("请输入QQ");

      longqq =sc.nextLong();

       System.out.print("请输入地址");

       Stringw =sc.nextLine();

       Stringads =sc.nextLine();

       Personperson =new Person(name,sex,age,tel,qq,ads);

      arr[current] =person;

    }

 

   // 删除

   publicvoid del() {

       System.out.println("--------------------删除联系人--------------------");

       System.out.println("请输入删除联系人姓名：");

       Stringq =sc.nextLine();

       Stringname1 =sc.nextLine();

      booleanflag =false;

      for (inti = 0;i <=current;i++) {

          if (name1.equals(arr[i].getName())) {

              System.out.println(arr[i].toString());

              System.out.println("确定么？1（是）0（否）");

             inta =sc.nextInt();

             if (a == 1) {

                  System.out.println("删除成功");

                 flag =true;

              }

             //此处if放在判断名字的if内，名字不相等是不进入此处if

             if (flag) {

                 //此处for循环j<=current也可以，因为最后current--掉了

                 for (intj =i;j <=current-1;j++) {

                    arr[j] =arr[j + 1];

                  }

                 current--;

              }

           }

       }

      if (flag ==false) {

           System.out.println("此人不存在");

       }

 

    }

 

   // 修改

   publicvoid update() {

       System.out.println("--------------------修改联系人--------------------");

       System.out.println("请输入联系人姓名：");

       Stringq =sc.nextLine();

       Stringname1 =sc.nextLine();

      booleanflag =false;

      for (inti = 0;i <=current;i++) {

          if (name1.equals(arr[i].getName())) {

             flag =true;

           }

          if (flag) {

              System.out.print("请输入姓名");

              Stringname =sc.nextLine();

              System.out.print("请输入性别");

              Stringsex =sc.nextLine();

              System.out.print("请输入年龄");

             intage =sc.nextInt();

              System.out.print("请输入电话");

             longtel =sc.nextLong();

              System.out.print("请输入QQ");

             longqq =sc.nextLong();

              System.out.print("请输入地址");

              Stringe =sc.nextLine();

              Stringads =sc.nextLine();

             arr[i] =new Person(name,sex,age,tel,qq,ads);

           }

       }

      if (flag ==false) {

           System.out.println("此人不存在");

       }

    }

 

   // 查看所有的

   publicvoid selectAll() {

       System.out.println("--------------------查看所有联系人--------------------");

      for (inti = 0;i <=current;i++) {

           System.out.println(arr[i].toString());

       }

 

    }

 

   // 根据姓名查看

   publicvoid selectName() {

       System.out.println("--------------------查找联系人--------------------");

       System.out.println("请输入联系人姓名：");

       Stringq =sc.nextLine();

       Stringname1 =sc.nextLine();

      booleanflag =false;

      for (inti = 0;i <=current;i++) {

          if (name1.equals(arr[i].getName())) {

             flag =true;

           }

          if (flag) {

              System.out.println(arr[i].toString());

             break;

           }

       }

      if (flag ==false) {

           System.out.println("不存在此人");

       }

    }

 

   // 退出

   publicvoid exit() {

       System.out.println("系统退出");

    }

 

}

 

 

 

package com.zhp.java;

 

publicclass Test {

 

   publicstaticvoid main(String[]args) {

       GuanLigl =new GuanLi();

      gl.yeWu();

    }

}