C#中面向对象初使用-实现问好窗体程序

Love The Way You Lie 2023-10-18 23:58 39阅读 0赞

## 场景 ##

C\#面向对象，实现简单的类的封装联系代码。

### 效果 ###

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70][]

## 实现 ##

新建窗体项目

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 1][]

拖拽一个Button控件并修改为你好，然后双击Button控件进入其点击事件的代码编写中。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 2][]

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 3][]

右击项目-添加-类

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 4][]

名字叫Person

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 5][]

Person代码如下

using System;
    using System.Collections.Generic;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    
    namespace SayHello
    {
        class Person
        {
            private int _age;
            public int Age {
                get { return _age; }
                set {
                    if (value >= 30 && value <= 90)
                    {
                        _age = value;
                    }
                    else
                    {
                        _age = 30;
                    }
                }
            }
    
            private string _name;
            public String Name {
                get { return _name; }
                set { _name = value; }
            }
    
        
    
            /// <summary>
            /// 工号
            /// </summary>
            private string _id;
            public string Id
            {
                get { return _id; }
                set { _id = value; }
            }
    
            /// <summary>
            /// 资历
            /// </summary>
            private int _yearOfExperience;
            public int YearOfExperience
            {
                get { return _yearOfExperience; }
                set { _yearOfExperience = value; }
            }
            public string SayHi() {
                string message;
                message = string.Format("大家好，我是{0},今年{1}岁，项目经验 {2}年。",this._name,this._age,this._yearOfExperience);
                return message;
            }
        }
    }

然后在上面的点击事件的方法中

using System;
    using System.Collections.Generic;
    using System.ComponentModel;
    using System.Data;
    using System.Drawing;
    using System.Linq;
    using System.Text;
    using System.Threading.Tasks;
    using System.Windows.Forms;
    
    namespace SayHello
    {
        public partial class Form1 : Form
        {
            public Form1()
            {
                InitializeComponent();
            }
    
            private void button1_Click(object sender, EventArgs e)
            {
                Person p = new Person();
                p.Age = 35;
                p.Name = "霸道";
                p.Id = "0001";
                p.YearOfExperience = 28;
                MessageBox.Show(p.SayHi());
    
            }
        }
    }

### 代码下载 ###

[https://download.csdn.net/download/badao\_liumang\_qizhi/11555303][https_download.csdn.net_download_badao_liumang_qizhi_11555303]

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[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 4]: https://img-blog.csdnimg.cn/20190815135710836.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk=,size_16,color_FFFFFF,t_70
[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk_size_16_color_FFFFFF_t_70 5]: https://img-blog.csdnimg.cn/20190815135737225.jpg?x-oss-process=image/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0JBREFPX0xJVU1BTkdfUUlaSEk=,size_16,color_FFFFFF,t_70
[https_download.csdn.net_download_badao_liumang_qizhi_11555303]: https://download.csdn.net/download/badao_liumang_qizhi/11555303