在CreateAccount方法中怎么判断 Initial方法中的_name字段的存不存在

显示全部楼层 · 2014-7-29 15:10:37

namespace TestRunning
{
class TestRunningT
{
      static void Main(string[] args)
      {
         Test_User_Account.Bank chai = new Test_User_Account.Bank();
         // chai.CreateAccount();
         chai.ShowCustomMenu();

         //chai.ShowAllUser();
         System.Console.ReadKey();
      }
}

}

namespace Test_User_Account
{
/// <summary>
/// 账户类
/// </summary>
public class User
{
      public string _name;
      public string _identityNum;
      public string _password;
      public double _balance;
      public string _account;
}
///<summary>
///银行类
///</summary>
public class Bank
{
      ///<summary>
      ///开户
      ///</summary>
      public void ShowCustomMenu()
      {
         string option = "";
         do
         {
            System.Console.WriteLine("=============欢迎使用自动银行服务=============");
            System.Console.WriteLine("1:存款 2：取款 3：转账 4：查询余额 5：退出");
            System.Console.WriteLine("=======================================");
            option = System.Console.ReadLine();
            switch (option)
            {
               case "1":
                     CreateAccount();
                     continue;
               case "2":
                     continue;
               case "3":
               case "4":
               case "5":
                     break;
               default:
                     System.Console.WriteLine("[输入无效]");
                     continue;
            }
            break;
         }while(true);

      }

      public void CreateAccount()
      {
         User user = new User();
         Initial();
         System.Console.WriteLine("请输入账号姓名");
         user._name = System.Console.ReadLine();
         user._account = "179708064356";
         System.Console.WriteLine("请输入账号密码");
         user._password = System.Console.ReadLine();
         System.Console.WriteLine("请输入账号身份证号：");
         user._identityNum = System.Console.ReadLine();
         System.Console.WriteLine("请输入账户存款金额");
         user._balance = double.Parse(System.Console.ReadLine());
         foreach(User a in _userGroup)
         {

         }

      }

      User[]  _userGroup = new User[3];//创建了一个类型数组

      /// <summary>
      /// 初始化数组对象
      /// </summary>
      public void Initial()
      {
         _userGroup[0]=new User();//存放对象
         _userGroup[0]._account = "179708064356";//对象中的属性或字段的数值化
         _userGroup[0]._name = "王丽丽";
         _userGroup[0]._password = "123456";
         _userGroup[0]._identityNum = "210025019589750";
         _userGroup[0]._balance = 1000;

         _userGroup[1] = new User();
         _userGroup[1]._account = "179708064356";
         _userGroup[1]._name = "张茵茵";
         _userGroup[1]._password = "123456";
         _userGroup[1]._identityNum = "210025019589750";
         _userGroup[1]._balance = 2000;

         _userGroup[2] = new User();
         _userGroup[2]._account = "179708064356";
         _userGroup[2]._name = "刘华";
         _userGroup[2]._password = "123456";
         _userGroup[2]._identityNum = "210025019589750";
         _userGroup[2]._balance = 100;
      }

      public void ShowAllUser()
      {
         Initial();
         foreach(User useritem in _userGroup)
         {
            System.Console.WriteLine("账号姓名："+useritem._name);
         }
      }
}
}

songyusb · 2014-7-29 19:45:20

路过

惜鑫 · 2014-7-29 19:48:15

if name != null || name!=""

Testing_C# · 2014-7-30 00:53:57

惜鑫发表于 2014-7-29 19:48
if name != null || name!=""

不行吧如果我输入不是那里面的账户那我岂不是也能够登陆进去啊