class Card
{
private string name; public string Name
{
get { return name; }
set { name = value; }
}
private string age; public string Age
{
get { return age; }
set { age = value; }
}
private string sex; public string Sex
{
get { return sex; }
set { sex = value; }
}
private string interest; public string Interest
{
get { return interest; }
set { interest = value; }
}
private string telephone; public string Telephone
{
get { return telephone; }
set { telephone = value; }
}
DataTable table = new DataTable();
public Card()
{
//DataTable table = new DataTable();
table.Columns.Add("姓名");
table.Columns.Add("年龄");
table.Columns.Add("性别");
table.Columns.Add("爱好");
table.Columns.Add("联系方式");
table.PrimaryKey = new DataColumn[] { table.Columns["姓名"] };
DataRow row = table.NewRow();
row["姓名"] = "小明";
row["年龄"] = "";
row["性别"] = "男";
row["爱好"] = "足球";
row["联系方式"] = "";
table.Rows.Add(row);
}
// public Card() { }
public void Add(string name)
{
if (!(table.Rows.Contains(name)))
{
Console.WriteLine("请输入年龄：");
string age = Console.ReadLine();
Console.WriteLine("请输入性别：");
string sex = Console.ReadLine();
Console.WriteLine("请输入爱好：");
string interest = Console.ReadLine();
Console.WriteLine("请输入联系方式：");
string telephone = Console.ReadLine();
DataRow row = table.NewRow();
row["姓名"] = name;
row["年龄"] = age;
row["性别"] = sex;
row["爱好"] = interest;
row["联系方式"] = telephone;
table.Rows.Add(row);
Console.WriteLine("添加成功！");
}
else
{
Console.WriteLine("人名重复！");
} }
public void Select(string name)
{
if (table.Rows.Contains(name))
{
for (int i = ; i < table.Columns.Count; i++)
{
Console.Write(table.Columns[i] + "\t");
}
Console.WriteLine();
Console.WriteLine(table.Rows.Find(name)["姓名"].ToString() + "\t" + table.Rows.Find(name)["年龄"].ToString() + "\t" + table.Rows.Find(name)["性别"].ToString() + "\t" + table.Rows.Find(name)["爱好"].ToString() + "\t" + table.Rows.Find(name)["联系方式"].ToString());
}
else
{
Console.WriteLine("查无此人！");
} }
public void SelectAll()
{
Console.WriteLine("你想要查找的信息如下：");
for (int i = ; i < table.Columns.Count; i++)
{
Console.Write(table.Columns[i] + "\t");
}
Console.WriteLine();
for (int i = ; i < table.Rows.Count; i++)
{
Console.WriteLine(table.Rows[i]["姓名"] + "\t" + table.Rows[i]["年龄"] + "\t" + table.Rows[i]["性别"] + "\t" + table.Rows[i]["爱好"] + "\t" + table.Rows[i]["联系方式"]);
}
Console.WriteLine();
}
public void Delete(string name)
{
if (table.Rows.Contains(name))
{
table.Rows.Remove(table.Rows.Find(name));
Console.WriteLine("删除成功！");
}
else
{
Console.WriteLine("查无此人！");
} }
public void Update(string name)
{
if (table.Rows.Contains(name))
{
Console.WriteLine("请输入年龄：");
string age = Console.ReadLine();
Console.WriteLine("请输入性别：");
string sex = Console.ReadLine();
Console.WriteLine("请输入爱好：");
string interest = Console.ReadLine();
Console.WriteLine("请输入联系方式：");
string telephone = Console.ReadLine();
int index = table.Rows.IndexOf(table.Rows.Find(name));
table.Rows[index]["年龄"] = age;
table.Rows[index]["性别"] = sex;
table.Rows[index]["爱好"] = interest;
table.Rows[index]["联系方式"] = telephone;
for (int i = ; i < table.Columns.Count; i++)
{
Console.Write(table.Columns[i] + "\t");
}
Console.WriteLine();
Console.WriteLine("修改成功，信息如下");
Console.WriteLine(table.Rows[index]["姓名"].ToString() + "\t" + table.Rows[index]["年龄"].ToString() + "\t" + table.Rows[index]["性别"].ToString() + "\t" + table.Rows[index]["爱好"].ToString() + "\t" + table.Rows[index]["联系方式"].ToString());
Console.WriteLine("修改成功！"); }
else
{
Console.WriteLine("查无此人！");
}
}
public void AddMore() {
while (true) {
Console.WriteLine("是否要批量增加Y/N");
string choice = Console.ReadLine();
if ("Y".Equals(choice))
{
Console.WriteLine("请输入你要增加的人的姓名");
string name = Console.ReadLine();
if (!(table.Rows.Contains(name)))
{
Console.WriteLine("请输入年龄：");
string age = Console.ReadLine();
Console.WriteLine("请输入性别：");
string sex = Console.ReadLine();
Console.WriteLine("请输入爱好：");
string interest = Console.ReadLine();
Console.WriteLine("请输入联系方式：");
string telephone = Console.ReadLine();
DataRow row = table.NewRow();
row["姓名"] = name;
row["年龄"] = age;
row["性别"] = sex;
row["爱好"] = interest;
row["联系方式"] = telephone;
table.Rows.Add(row);
Console.WriteLine("添加成功！");
}
else
{
Console.WriteLine("人名重复！");
}
}
else if ("N".Equals(choice))
{
Console.WriteLine("已经添加成功了！");
break;
}
}
}
} //测试类。
class Program
{
static void Main(string[] args)
{
// DataTable table = new DataTable();
Card card = new Card();
while (true)
{
Console.WriteLine("请输入你要的操作1.增加2.查询3.查询全部4.删除5.修改6.增加多人");
int a = int.Parse(Console.ReadLine());
if (a == )
{
Console.WriteLine("请输入姓名：");
string name = Console.ReadLine();
card.Add(name);
}
else if (a == )
{
Console.WriteLine("请输入你要查询的人的姓名");
string name = Console.ReadLine();
card.Select(name);
}
else if (a == )
{
card.SelectAll();
}
else if (a == )
{
Console.WriteLine("请输入你要删除的人的姓名");
string name = Console.ReadLine();
card.Delete(name); }
else if (a == )
{
Console.WriteLine("请输入你要修改的人的姓名");
string name = Console.ReadLine();
card.Update(name); }
else if (a == )
{
card.AddMore(); }
else if (a == )
{
break;
}
else
{
Console.WriteLine("您的输入有误，请重新输入！");
}
}
}
}
以上做法不一定就是最好的方法，只是起到练习技术的作用。
本系列教程：
C#基础总结之八面向对象知识点总结-继承与多态-接口-http://www.cnblogs.com/spring_wang/p/6113531.html
C#基础总结之七面向对象知识点总结1http://www.cnblogs.com/spring_wang/p/6113526.html
C#基础总结之六 DataTable (临时表/数据源) 和Datatable 名片练习http://www.cnblogs.com/spring_wang/p/6113520.html
C#基础总结之五Dictionary<string, string[]>和while循环http://www.cnblogs.com/spring_wang/p/6113514.html
C#基础总结之四List-Hashtable-冒泡排序http://www.cnblogs.com/spring_wang/p/6113504.html
C#基础总结之三循环控制-for-数组-乘法表-arraylisthttp://www.cnblogs.com/spring_wang/p/6113496.html
C#基础总结之二循环控制-运算符http://www.cnblogs.com/spring_wang/p/6113484.html
C#基础总结之一变量常量-if嵌套语句-witch结构-类型转换http://www.cnblogs.com/spring_wang/p/6113476.html
C#基础课程之六（临时表）DataTable使用方法http://www.cnblogs.com/spring_wang/p/6113454.html
C#基础课程之五集合（HashTable,Dictionary）http://www.cnblogs.com/spring_wang/p/6113404.html
C#基础课程之四集合（ArrayList、List<泛型>）http://www.cnblogs.com/spring_wang/p/6113396.html
C#基础课程之三循环语句http://www.cnblogs.com/spring_wang/p/6113383.html
C#基础课程之二变量常量及流程控制http://www.cnblogs.com/spring_wang/p/6113372.html
C#基础课程之一注释和控制台、一些常识http://www.cnblogs.com/spring_wang/p/6113361.html
C#基础第九天-作业答案-储蓄账户(SavingAccount)和信用账户(CreditAccount) http://www.cnblogs.com/spring_wang/p/6113291.html
C#基础第九天-作业-储蓄账户(SavingAccount)和信用账户(CreditAccount) http://www.cnblogs.com/spring_wang/p/6113285.html
C#基础第八天-作业答案-设计类-面向对象方式实现两个帐户之间转账http://www.cnblogs.com/spring_wang/p/6113274.html
C#基础第八天-作业-设计类-面向对象方式实现两个帐户之间转账http://www.cnblogs.com/spring_wang/p/6113258.html
C#基础第七天-作业答案-利用面向对象的思想去实现名片-动态添加http://www.cnblogs.com/spring_wang/p/6113232.html
C#基础第七天-作业-利用面向对象的思想去实现名片-动态添加http://www.cnblogs.com/spring_wang/p/6113224.html
C#基础第六天-作业-利用面向对象的思想去实现名片http://www.cnblogs.com/spring_wang/p/6113028.html
C#基础第六天-作业答案-利用面向对象的思想去实现名片http://www.cnblogs.com/spring_wang/p/6113033.html
C#基础第五天-作业答案-用DataTable制作名片集http://www.cnblogs.com/spring_wang/p/6113022.html
C#基础第五天-作业-用DataTable制作名片集http://www.cnblogs.com/spring_wang/p/6113013.html
C#基础第四天-作业答案-Hashtable-list<KeyValuePair>泛型实现名片http://www.cnblogs.com/spring_wang/p/6113005.html
C#基础第四天-作业-Hashtable-list<KeyValuePair>泛型实现名片http://www.cnblogs.com/spring_wang/p/6113000.html
C#基础第三天-作业答案-集合-冒泡排序-模拟名片http://www.cnblogs.com/spring_wang/p/6112888.html
C#基础第三天-作业-集合-冒泡排序-模拟名片http://www.cnblogs.com/spring_wang/p/6112885.html
C#基础第二天-作业答案-九九乘法表-打印星星http://www.cnblogs.com/spring_wang/p/6112881.html
C#基础第二天-作业-九九乘法表-打印星星http://www.cnblogs.com/spring_wang/p/6112875.html
C#基础第一天-作业答案http://www.cnblogs.com/spring_wang/p/6112872.html
C#基础第一天-作业http://www.cnblogs.com/spring_wang/p/6112867.html
C#-string.Format对C#字符串格式化http://www.cnblogs.com/spring_wang/p/6077098.html