（四十）c#Winform自定义控件-开关-HZHControls
官网
前提
入行已经7,8年了，一直想做一套漂亮点的自定义控件，于是就有了本系列文章。
GitHub：https://github.com/kwwwvagaa/NetWinformControl
码云：https://gitee.com/kwwwvagaa/net_winform_custom_control.git
如果觉得写的还行，请点个 star 支持一下吧
欢迎前来交流探讨： 企鹅群568015492 idkey=6e08741ef16fe53bf0314c1c9e336c4f626047943a8b76bac062361bab6b4f8d">
目录
https://www.cnblogs.com/bfyx/p/11364884.html
准备工作
GDI+需要有一点了解，不知道的可以百度瞅瞅
开始
添加一个用户控件，命名UCSwitch
添加一个枚举用以控制样式
public enum SwitchType
{
/// <summary>
/// 椭圆
/// </summary>
Ellipse,
/// <summary>
/// 四边形
/// </summary>
Quadrilateral,
/// <summary>
/// 横线
/// </summary>
Line
}
添加属性
[Description("选中改变事件"), Category("自定义")]
public event EventHandler CheckedChanged;
private Color m_trueColor = Color.FromArgb(, , );
[Description("选中时颜色"), Category("自定义")]
public Color TrueColor
{
get { return m_trueColor; }
set
{
m_trueColor = value;
Refresh();
}
}
private Color m_falseColor = Color.FromArgb(, , );
[Description("没有选中时颜色"), Category("自定义")]
public Color FalseColor
{
get { return m_falseColor; }
set
{
m_falseColor = value;
Refresh();
}
}
private bool m_checked;
[Description("是否选中"), Category("自定义")]
public bool Checked
{
get { return m_checked; }
set
{
m_checked = value;
Refresh();
if (CheckedChanged != null)
{
CheckedChanged(this, null);
}
}
}
private string[] m_texts;
[Description("文本值，当选中或没有选中时显示，必须是长度为2的数组"), Category("自定义")]
public string[] Texts
{
get { return m_texts; }
set
{
m_texts = value;
Refresh();
}
}
private SwitchType m_switchType = SwitchType.Ellipse;
[Description("显示类型"), Category("自定义")]
public SwitchType SwitchType
{
get { return m_switchType; }
set
{
m_switchType = value;
Refresh();
}
}
public override Font Font
{
get
{
return base.Font;
}
set
{
base.Font = value;
Refresh();
}
}
重绘
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
var g = e.Graphics;
g.SetGDIHigh();
if (m_switchType == HZH_Controls.Controls.SwitchType.Ellipse)
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
GraphicsPath path = new GraphicsPath();
path.AddLine(new Point(this.Height / , ), new Point(this.Width - this.Height / , ));
path.AddArc(new Rectangle(this.Width - this.Height - , , this.Height - , this.Height - ), -, );
path.AddLine(new Point(this.Width - this.Height / , this.Height - ), new Point(this.Height / , this.Height - ));
path.AddArc(new Rectangle(, , this.Height - , this.Height - ), , );
g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty;
if (m_texts != null && m_texts.Length == )
{
if (m_checked)
{
strText = m_texts[];
}
else
{
strText = m_texts[];
}
} if (m_checked)
{
g.FillEllipse(Brushes.White, new Rectangle(this.Width - this.Height - + , + , this.Height - - , this.Height - - ));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point((this.Height - - ) / , intTextY));
}
}
else
{
g.FillEllipse(Brushes.White, new Rectangle( + , + , this.Height - - , this.Height - - ));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - (int)sizeF.Width / , intTextY));
}
}
}
else if (m_switchType == HZH_Controls.Controls.SwitchType.Quadrilateral)
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
GraphicsPath path = new GraphicsPath();
int intRadius = ;
path.AddArc(, , intRadius, intRadius, 180f, 90f);
path.AddArc(this.Width - intRadius - , , intRadius, intRadius, 270f, 90f);
path.AddArc(this.Width - intRadius - , this.Height - intRadius - , intRadius, intRadius, 0f, 90f);
path.AddArc(, this.Height - intRadius - , intRadius, intRadius, 90f, 90f); g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty;
if (m_texts != null && m_texts.Length == )
{
if (m_checked)
{
strText = m_texts[];
}
else
{
strText = m_texts[];
}
} if (m_checked)
{
GraphicsPath path2 = new GraphicsPath();
path2.AddArc(this.Width - this.Height - + , + , intRadius, intRadius, 180f, 90f);
path2.AddArc(this.Width - - - intRadius, + , intRadius, intRadius, 270f, 90f);
path2.AddArc(this.Width - - - intRadius, this.Height - - intRadius - , intRadius, intRadius, 0f, 90f);
path2.AddArc(this.Width - this.Height - + , this.Height - - intRadius - , intRadius, intRadius, 90f, 90f);
g.FillPath(Brushes.White, path2); if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point((this.Height - - ) / , intTextY));
}
}
else
{
GraphicsPath path2 = new GraphicsPath();
path2.AddArc( + , + , intRadius, intRadius, 180f, 90f);
path2.AddArc(this.Height - - intRadius, + , intRadius, intRadius, 270f, 90f);
path2.AddArc(this.Height - - intRadius, this.Height - - intRadius - , intRadius, intRadius, 0f, 90f);
path2.AddArc( + , this.Height - - intRadius - , intRadius, intRadius, 90f, 90f);
g.FillPath(Brushes.White, path2); //g.FillEllipse(Brushes.White, new Rectangle(1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - (int)sizeF.Width / , intTextY));
}
}
}
else
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
int intLineHeight = (this.Height - - ) / ; GraphicsPath path = new GraphicsPath();
path.AddLine(new Point(this.Height / , (this.Height - intLineHeight) / ), new Point(this.Width - this.Height / , (this.Height - intLineHeight) / ));
path.AddArc(new Rectangle(this.Width - this.Height / - intLineHeight - , (this.Height - intLineHeight) / , intLineHeight, intLineHeight), -, );
path.AddLine(new Point(this.Width - this.Height / , (this.Height - intLineHeight) / + intLineHeight), new Point(this.Width - this.Height / , (this.Height - intLineHeight) / + intLineHeight));
path.AddArc(new Rectangle(this.Height / , (this.Height - intLineHeight) / , intLineHeight, intLineHeight), , );
g.FillPath(new SolidBrush(fillColor), path); if (m_checked)
{
g.FillEllipse(new SolidBrush(fillColor), new Rectangle(this.Width - this.Height - + , + , this.Height - - , this.Height - - ));
g.FillEllipse(Brushes.White, new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
g.FillEllipse(new SolidBrush(fillColor), new Rectangle( + , + , this.Height - - , this.Height - - ));
g.FillEllipse(Brushes.White, new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / + , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
}
}
处理一下点击事件
void UCSwitch_MouseDown(object sender, MouseEventArgs e)
{
Checked = !Checked;
}
完整代码
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Drawing.Drawing2D; namespace HZH_Controls.Controls
{
[DefaultEvent("CheckedChanged")]
public partial class UCSwitch : UserControl
{
[Description("选中改变事件"), Category("自定义")]
public event EventHandler CheckedChanged;
private Color m_trueColor = Color.FromArgb(, , ); [Description("选中时颜色"), Category("自定义")]
public Color TrueColor
{
get { return m_trueColor; }
set
{
m_trueColor = value;
Refresh();
}
} private Color m_falseColor = Color.FromArgb(, , ); [Description("没有选中时颜色"), Category("自定义")]
public Color FalseColor
{
get { return m_falseColor; }
set
{
m_falseColor = value;
Refresh();
}
} private bool m_checked; [Description("是否选中"), Category("自定义")]
public bool Checked
{
get { return m_checked; }
set
{
m_checked = value;
Refresh();
if (CheckedChanged != null)
{
CheckedChanged(this, null);
}
}
} private string[] m_texts; [Description("文本值，当选中或没有选中时显示，必须是长度为2的数组"), Category("自定义")]
public string[] Texts
{
get { return m_texts; }
set
{
m_texts = value;
Refresh();
}
}
private SwitchType m_switchType = SwitchType.Ellipse; [Description("显示类型"), Category("自定义")]
public SwitchType SwitchType
{
get { return m_switchType; }
set
{
m_switchType = value;
Refresh();
}
} public override Font Font
{
get
{
return base.Font;
}
set
{
base.Font = value;
Refresh();
}
} public UCSwitch()
{
InitializeComponent();
this.SetStyle(ControlStyles.AllPaintingInWmPaint, true);
this.SetStyle(ControlStyles.DoubleBuffer, true);
this.SetStyle(ControlStyles.ResizeRedraw, true);
this.SetStyle(ControlStyles.Selectable, true);
this.SetStyle(ControlStyles.SupportsTransparentBackColor, true);
this.SetStyle(ControlStyles.UserPaint, true);
this.MouseDown += UCSwitch_MouseDown;
} void UCSwitch_MouseDown(object sender, MouseEventArgs e)
{
Checked = !Checked;
} protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint(e);
var g = e.Graphics;
g.SetGDIHigh();
if (m_switchType == HZH_Controls.Controls.SwitchType.Ellipse)
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
GraphicsPath path = new GraphicsPath();
path.AddLine(new Point(this.Height / , ), new Point(this.Width - this.Height / , ));
path.AddArc(new Rectangle(this.Width - this.Height - , , this.Height - , this.Height - ), -, );
path.AddLine(new Point(this.Width - this.Height / , this.Height - ), new Point(this.Height / , this.Height - ));
path.AddArc(new Rectangle(, , this.Height - , this.Height - ), , );
g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty;
if (m_texts != null && m_texts.Length == )
{
if (m_checked)
{
strText = m_texts[];
}
else
{
strText = m_texts[];
}
} if (m_checked)
{
g.FillEllipse(Brushes.White, new Rectangle(this.Width - this.Height - + , + , this.Height - - , this.Height - - ));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point((this.Height - - ) / , intTextY));
}
}
else
{
g.FillEllipse(Brushes.White, new Rectangle( + , + , this.Height - - , this.Height - - ));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - (int)sizeF.Width / , intTextY));
}
}
}
else if (m_switchType == HZH_Controls.Controls.SwitchType.Quadrilateral)
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
GraphicsPath path = new GraphicsPath();
int intRadius = ;
path.AddArc(, , intRadius, intRadius, 180f, 90f);
path.AddArc(this.Width - intRadius - , , intRadius, intRadius, 270f, 90f);
path.AddArc(this.Width - intRadius - , this.Height - intRadius - , intRadius, intRadius, 0f, 90f);
path.AddArc(, this.Height - intRadius - , intRadius, intRadius, 90f, 90f); g.FillPath(new SolidBrush(fillColor), path); string strText = string.Empty;
if (m_texts != null && m_texts.Length == )
{
if (m_checked)
{
strText = m_texts[];
}
else
{
strText = m_texts[];
}
} if (m_checked)
{
GraphicsPath path2 = new GraphicsPath();
path2.AddArc(this.Width - this.Height - + , + , intRadius, intRadius, 180f, 90f);
path2.AddArc(this.Width - - - intRadius, + , intRadius, intRadius, 270f, 90f);
path2.AddArc(this.Width - - - intRadius, this.Height - - intRadius - , intRadius, intRadius, 0f, 90f);
path2.AddArc(this.Width - this.Height - + , this.Height - - intRadius - , intRadius, intRadius, 90f, 90f);
g.FillPath(Brushes.White, path2); if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point((this.Height - - ) / , intTextY));
}
}
else
{
GraphicsPath path2 = new GraphicsPath();
path2.AddArc( + , + , intRadius, intRadius, 180f, 90f);
path2.AddArc(this.Height - - intRadius, + , intRadius, intRadius, 270f, 90f);
path2.AddArc(this.Height - - intRadius, this.Height - - intRadius - , intRadius, intRadius, 0f, 90f);
path2.AddArc( + , this.Height - - intRadius - , intRadius, intRadius, 90f, 90f);
g.FillPath(Brushes.White, path2); //g.FillEllipse(Brushes.White, new Rectangle(1 + 2, 1 + 2, this.Height - 2 - 4, this.Height - 2 - 4));
if (string.IsNullOrEmpty(strText))
{
g.DrawEllipse(new Pen(Color.White, ), new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
System.Drawing.SizeF sizeF = g.MeasureString(strText.Replace(" ", "A"), Font);
int intTextY = (this.Height - (int)sizeF.Height) / + ;
g.DrawString(strText, Font, Brushes.White, new Point(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - (int)sizeF.Width / , intTextY));
}
}
}
else
{
var fillColor = m_checked ? m_trueColor : m_falseColor;
int intLineHeight = (this.Height - - ) / ; GraphicsPath path = new GraphicsPath();
path.AddLine(new Point(this.Height / , (this.Height - intLineHeight) / ), new Point(this.Width - this.Height / , (this.Height - intLineHeight) / ));
path.AddArc(new Rectangle(this.Width - this.Height / - intLineHeight - , (this.Height - intLineHeight) / , intLineHeight, intLineHeight), -, );
path.AddLine(new Point(this.Width - this.Height / , (this.Height - intLineHeight) / + intLineHeight), new Point(this.Width - this.Height / , (this.Height - intLineHeight) / + intLineHeight));
path.AddArc(new Rectangle(this.Height / , (this.Height - intLineHeight) / , intLineHeight, intLineHeight), , );
g.FillPath(new SolidBrush(fillColor), path); if (m_checked)
{
g.FillEllipse(new SolidBrush(fillColor), new Rectangle(this.Width - this.Height - + , + , this.Height - - , this.Height - - ));
g.FillEllipse(Brushes.White, new Rectangle(this.Width - - (this.Height - - ) / - ((this.Height - - ) / ) / - , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
else
{
g.FillEllipse(new SolidBrush(fillColor), new Rectangle( + , + , this.Height - - , this.Height - - ));
g.FillEllipse(Brushes.White, new Rectangle((this.Height - - ) / - ((this.Height - - ) / ) / + , (this.Height - - (this.Height - - ) / ) / + , (this.Height - - ) / , (this.Height - - ) / ));
}
}
} } public enum SwitchType
{
/// <summary>
/// 椭圆
/// </summary>
Ellipse,
/// <summary>
/// 四边形
/// </summary>
Quadrilateral,
/// <summary>
/// 横线
/// </summary>
Line
}
}
namespace HZH_Controls.Controls
{
partial class UCSwitch
{
/// <summary>
/// 必需的设计器变量。
/// </summary>
private System.ComponentModel.IContainer components = null; /// <summary>
/// 清理所有正在使用的资源。
/// </summary>
/// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>
protected override void Dispose(bool disposing)
{
if (disposing && (components != null))
{
components.Dispose();
}
base.Dispose(disposing);
} #region 组件设计器生成的代码 /// <summary>
/// 设计器支持所需的方法 - 不要
/// 使用代码编辑器修改此方法的内容。
/// </summary>
private void InitializeComponent()
{
this.SuspendLayout();
//
// UCSwitch
//
this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.None;
this.BackColor = System.Drawing.Color.Transparent;
this.Name = "UCSwitch";
this.Size = new System.Drawing.Size(, );
this.ResumeLayout(false); } #endregion
}
}
用处及效果
最后的话
如果你喜欢的话，请到 https://gitee.com/kwwwvagaa/net_winform_custom_control 点个星 星吧
（四十）c#Winform自定义控件-开关-HZHControls的更多相关文章
- （四十四）c#Winform自定义控件-水波-HZHControls
官网 http://www.hzhcontrols.com 前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kww ...
- （二十四）c#Winform自定义控件-单标题窗体
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. 开源地址:https://gitee.com/kwwwvagaa/net_winform_custom_control ...
- （四）c#Winform自定义控件-选择按钮组
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. 开源地址:https://gitee.com/kwwwvagaa/net_winform_custom_control ...
- （十四）c#Winform自定义控件-键盘（一）
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. 开源地址:https://gitee.com/kwwwvagaa/net_winform_custom_control ...
- （五十四）c#Winform自定义控件-仪表盘
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kwwwvagaa/NetWinformControl 码云:ht ...
- （六十四）c#Winform自定义控件-温度计（工业）
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kwwwvagaa/NetWinformControl 码云:ht ...
- （七十四）c#Winform自定义控件-金字塔图表
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kwwwvagaa/NetWinformControl 码云:ht ...
- （八十四）c#Winform自定义控件-导航菜单（类Office菜单）
前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kwwwvagaa/NetWinformControl 码云:ht ...
- （四十六）c#Winform自定义控件-水波进度条-HZHControls
官网 http://www.hzhcontrols.com 前提 入行已经7,8年了,一直想做一套漂亮点的自定义控件,于是就有了本系列文章. GitHub:https://github.com/kww ...
随机推荐
- spring boot2 修改默认json解析器Jackson为fastjson
0.前言 fastjson是阿里出的,尽管近年fasjson爆出过几次严重漏洞,但是平心而论,fastjson的性能的确很有优势,尤其是大数据量时的性能优势,所以fastjson依然是我们的首选:sp ...
- 消息队列MQ简介
项目中要用到RabbitMQ,领导让我先了解一下.在之前的公司中,用到过消息队列MQ,阿里的那款RocketMQ,当时公司也做了简单的技术分享,自己也看了一些博客.自己在有道云笔记上,做了一些整理,但 ...
- HTTP_header安全选项（浅谈）
HTTP报文头-安全问题 Mirror王宇阳 2019-10-01 参考:MDN技术文档:<http头安全相关的选项_by`myh0st> 认识HTTP协议 https://www.cnb ...
- TP5 try{}catch{}异常捕获不到 解决办法
问题:TP5用下面的方法, 想要获取抛出的异常捕获不到…… 错误的写法: try{ …… } catch (Exception $e) { echo $e->getMessage(); } 正确 ...
- 主说明：自动Undo管理的故障排除指南(Doc ID 1579081.1)
Master Note: Troubleshooting guide for Automatic Undo Management (Doc ID 1579081.1) APPLIES TO: Orac ...
- SpringBoot系列——Jackson序列化
前言 Spring Boot提供了与三个JSON映射库的集成: Gson Jackson JSON-B Jackson是首选的默认库. 官网介绍: https://docs.spring.io/spr ...
- 松软科技web教程:JavaScript Switch 语句
switch 语句用于基于不同条件执行不同动作. JavaScript Switch 语句 请使用 switch 语句来选择多个需被执行的代码块之一. 语法 switch(表达式) { case n: ...
- OSG嵌入QT的简明总结
目录 1.解决方案 2.存在问题 1) 警告提示 2) 多线程问题 3) 其他 1.解决方案 不得不说关于OSG的资料实在太零散了,搜索了很多关于OSG在QT下的解决方案,都是各有各的说法,有的说的不 ...
- 【Gradle】Android Gradle 多渠道构建
Android Gradle 多渠道构建 多渠道构建的基本原理 在Android Gradle中,定义了一个叫Build Variant的概念,一个Build Variant=Build TYpe+P ...
- 附002.Minikube介绍及使用
一 Minikube介绍 1.1 概述 Minikube是一种可以在本地轻松运行Kubernetes的工具.Minikube在笔记本电脑的VM中运行单节点Kubernetes集群,供希望尝试Kuber ...