372 lines
12 KiB
C#
372 lines
12 KiB
C#
/******************************************************************************
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* SunnyUI 开源控件库、工具类库、扩展类库、多页面开发框架。
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* CopyRight (C) 2012-2023 ShenYongHua(沈永华).
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* QQ群：56829229 QQ：17612584 EMail：SunnyUI@QQ.Com
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*
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* Blog: https://www.cnblogs.com/yhuse
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* Gitee: https://gitee.com/yhuse/SunnyUI
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* GitHub: https://github.com/yhuse/SunnyUI
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*
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* SunnyUI.Common.dll can be used for free under the MIT license.
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* If you use this code, please keep this note.
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* 如果您使用此代码，请保留此说明。
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******************************************************************************
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* 文件名称: UConvertEx.cs
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* 文件说明: 对象转换扩展类
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* 当前版本: V3.1
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* 创建日期: 2020-01-01
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*
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* 2020-11-20: V3.0.0 增加文件说明
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******************************************************************************/
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using System;
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using System.Drawing;
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namespace Sunny.UI
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{
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/// <summary>
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/// 对象转换扩展类
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/// </summary>
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public static class ConvertEx
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{
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/// <summary>
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/// 可以对象和字符串互相转换的类型
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/// </summary>
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/// <param name="type">类型</param>
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/// <returns>结果</returns>
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public static bool CanConvent(Type type)
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{
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bool result = false;
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TypeCode typeCode = Type.GetTypeCode(type);
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switch (typeCode)
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{
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case TypeCode.String:
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case TypeCode.Char:
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case TypeCode.SByte:
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case TypeCode.Byte:
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case TypeCode.Int16:
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case TypeCode.UInt16:
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case TypeCode.Int32:
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case TypeCode.UInt32:
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case TypeCode.Int64:
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case TypeCode.UInt64:
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case TypeCode.Single:
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case TypeCode.Double:
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case TypeCode.Decimal:
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case TypeCode.Boolean:
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case TypeCode.DateTime:
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result = true;
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break;
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case TypeCode.Object:
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if (type == typeof(Point) ||
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type == typeof(PointF) ||
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type == typeof(Color) ||
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type == typeof(Size) ||
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type == typeof(SizeF))
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{
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result = true;
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}
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break;
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}
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return result;
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}
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/// <summary>
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/// 字符串转对象
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/// </summary>
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/// <param name="str">字符串</param>
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/// <param name="type">类型</param>
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/// <param name="defaultobj">默认对象</param>
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/// <returns>对象</returns>
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public static object StringToObject(string str, Type type, object defaultobj)
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{
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object obj = defaultobj;
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if (type == typeof(string))
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{
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return str;
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}
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if (str.IsNullOrEmpty())
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{
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return defaultobj;
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}
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TypeCode typeCode = Type.GetTypeCode(type);
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switch (typeCode)
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{
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case TypeCode.Char:
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obj = str.ToChar((char)defaultobj);
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break;
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case TypeCode.SByte:
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obj = str.ToSByte((sbyte)defaultobj);
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break;
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case TypeCode.Byte:
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obj = str.ToByte((byte)defaultobj);
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break;
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case TypeCode.Int16:
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obj = str.ToShort((short)defaultobj);
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break;
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case TypeCode.UInt16:
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obj = str.ToUShort((ushort)defaultobj);
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break;
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case TypeCode.Int32:
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obj = str.ToInt((int)defaultobj);
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break;
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case TypeCode.UInt32:
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obj = str.ToUInt((uint)defaultobj);
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break;
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case TypeCode.Int64:
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obj = str.ToLong((long)defaultobj);
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break;
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case TypeCode.UInt64:
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obj = str.ToULong((ulong)defaultobj);
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break;
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case TypeCode.Single:
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obj = str.ToFloat((float)defaultobj);
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break;
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case TypeCode.Double:
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obj = str.ToDouble((double)defaultobj);
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break;
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case TypeCode.Decimal:
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obj = str.ToDecimal((decimal)defaultobj);
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break;
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case TypeCode.Boolean:
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if (str.ToUpper().Equals(bool.TrueString.ToUpper()))
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{
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obj = true;
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}
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if (str.ToUpper().Equals(bool.FalseString.ToUpper()))
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{
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obj = false;
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}
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break;
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case TypeCode.DateTime:
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try
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{
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DateTime dt = str.ToDateTime(DateTimeEx.DateTimeFormat);
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obj = dt;
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}
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catch (Exception e)
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{
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Console.WriteLine(e);
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}
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break;
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case TypeCode.Object:
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obj = StringToObjectEx(str, type, defaultobj);
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break;
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default:
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throw new ApplicationException("不支持此类型: " + type.FullName);
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}
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if (type == typeof(DateTime))
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{
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}
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return obj;
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}
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/// <summary>
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/// 字符串转对象扩展
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/// </summary>
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/// <param name="str">字符串</param>
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/// <param name="type">类型</param>
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/// <param name="defaultobj">默认对象</param>
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/// <returns>对象</returns>
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private static object StringToObjectEx(string str, Type type, object defaultobj)
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{
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object obj = defaultobj;
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if (type == typeof(Point))
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{
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string[] strs = str.ToUpper().Replace("X:", "").Replace("Y:", "").Trim().Split(";");
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if (strs.Length == 2)
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{
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if (int.TryParse(strs[0], out var x) && int.TryParse(strs[1], out var y))
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{
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obj = new Point(x, y);
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}
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}
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}
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else if (type == typeof(PointF))
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{
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string[] strs = str.ToUpper().Replace("X:", "").Replace("Y:", "").Trim().Split(";");
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if (strs.Length == 2)
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{
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if (float.TryParse(strs[0], out var x) && float.TryParse(strs[1], out var y))
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{
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obj = new PointF(x, y);
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}
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}
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}
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else if (type == typeof(Color))
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{
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string[] strs = str.ToUpper().Replace("A:", "").Replace("R:", "").Replace("G:", "").Replace("B:", "").Trim().Split(";");
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if (strs.Length == 4)
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{
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if (int.TryParse(strs[0], out var a) && int.TryParse(strs[1], out var r) && int.TryParse(strs[2], out var g) && int.TryParse(strs[3], out var b))
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{
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if (a.InRange(0, 255) && r.InRange(0, 255) && g.InRange(0, 255) && b.InRange(0, 255))
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{
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obj = Color.FromArgb(a, r, g, b);
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}
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}
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}
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}
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else if (type == typeof(Size))
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{
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string[] strs = str.ToUpper().Replace("W:", "").Replace("H:", "").Trim().Split(";");
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if (strs.Length == 2)
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{
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if (int.TryParse(strs[0], out var x) && int.TryParse(strs[1], out var y))
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{
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obj = new Size(x, y);
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}
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}
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}
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else if (type == typeof(SizeF))
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{
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string[] strs = str.ToUpper().Replace("W:", "").Replace("H:", "").Trim().Split(";");
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if (strs.Length == 2)
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{
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if (float.TryParse(strs[0], out var x) && float.TryParse(strs[1], out var y))
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{
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obj = new SizeF(x, y);
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}
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}
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}
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else
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{
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throw new ApplicationException("不支持此类型: " + type.FullName);
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}
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return obj;
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}
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/// <summary>
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/// 对象转字符串
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/// </summary>
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/// <param name="obj">对象</param>
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/// <param name="type">类型</param>
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/// <returns>字符串</returns>
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public static string ObjectToString(object obj, Type type)
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{
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string value;
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TypeCode typeCode = Type.GetTypeCode(type);
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switch (typeCode)
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{
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case TypeCode.String:
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if (obj == null)
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{
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obj = "";
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}
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value = obj.ToString();
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break;
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case TypeCode.Char:
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case TypeCode.SByte:
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case TypeCode.Byte:
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case TypeCode.Int16:
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case TypeCode.UInt16:
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case TypeCode.Int32:
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case TypeCode.UInt32:
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case TypeCode.Int64:
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case TypeCode.UInt64:
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case TypeCode.Single:
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case TypeCode.Double:
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case TypeCode.Decimal:
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value = obj.ToString();
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break;
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case TypeCode.Boolean:
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value = (bool)obj ? bool.TrueString : bool.FalseString;
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break;
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case TypeCode.DateTime:
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value = ((DateTime)obj).ToString(DateTimeEx.DateTimeFormat);
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break;
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case TypeCode.Object:
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value = ObjectToStringEx(obj, type);
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break;
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default:
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throw new ApplicationException("不支持此类型: " + type.FullName);
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}
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return value;
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}
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/// <summary>
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/// 对象转字符串扩展
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/// </summary>
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/// <param name="obj">对象</param>
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/// <param name="type">类型</param>
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/// <returns>字符串</returns>
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private static string ObjectToStringEx(object obj, Type type)
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{
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string value;
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if (type == typeof(Point))
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{
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Point point = (Point)obj;
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value = "X:" + point.X + "; Y:" + point.Y;
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}
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else if (type == typeof(PointF))
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{
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PointF point = (PointF)obj;
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value = "X:" + point.X + "; Y:" + point.Y;
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}
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else if (type == typeof(Color))
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{
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Color color = (Color)obj;
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value = "A:" + color.A + "; R:" + color.R + "; G:" + color.G + "; B:" + color.B;
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}
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else if (type == typeof(Size))
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{
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Size size = (Size)obj;
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value = "W:" + size.Width + "; H:" + size.Height;
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}
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else if (type == typeof(SizeF))
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{
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SizeF size = (SizeF)obj;
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value = "W:" + size.Width + "; H:" + size.Height;
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}
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else
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{
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throw new ApplicationException("不支持此类型: " + type.FullName);
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}
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return value;
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}
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}
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}
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