154 lines
5.4 KiB
C#
154 lines
5.4 KiB
C#
#region copyright
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//------------------------------------------------------------------------------
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// 此代码版权声明为全文件覆盖，如有原作者特别声明，会在下方手动补充
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// 此代码版权（除特别声明外的代码）归作者本人Diego所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议
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// Gitee源代码仓库：https://gitee.com/diego2098/ThingsGateway
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// Github源代码仓库：https://github.com/kimdiego2098/ThingsGateway
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// 使用文档：https://diego2098.gitee.io/thingsgateway-docs/
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// QQ群：605534569
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//------------------------------------------------------------------------------
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#endregion
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using Furion.DependencyInjection;
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using System.Text.RegularExpressions;
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namespace ThingsGateway.Admin.Core;
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/// <summary>
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/// 对象拓展
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/// </summary>
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[SuppressSniffer]
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public static class StringExtensions
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{
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/// <summary>
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/// 返回List,无其他处理
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/// </summary>
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public static List<string> StringToList(this string str)
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{
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return new List<string>() { str };
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}
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/// <summary>
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/// 用 正则表达式 判断字符是不是汉字
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/// </summary>
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/// <param name="text">待判断字符或字符串</param>
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/// <returns>真：是汉字；假：不是</returns>
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private static bool IsChinese(string text) => Regex.IsMatch(text, @"[\u4e00-\u9fbb]");
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/// <summary>
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/// 获取字符串中的两个字符作为名称简述
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/// </summary>
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/// <param name="name"></param>
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/// <returns></returns>
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public static string GetNameLen2(this string name)
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{
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if (name.IsNullOrEmpty())
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return string.Empty;
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var nameLength = name.Length;//获取姓名长度
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string nameWritten = name;//需要绘制的文字
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if (nameLength > 2)//如果名字长度超过2个
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{
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// 如果用户输入的姓名大于等于3个字符，截取后面两位
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string firstName = name.Substring(0, 1);
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if (IsChinese(firstName))
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{
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// 截取倒数两位汉字
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nameWritten = name.Substring(name.Length - 2);
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}
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else
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{
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// 截取第一个英文字母和第二个大写的字母
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var data = Regex.Match(name, @"[A-Z]?[a-z]+([A-Z])").Value;
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nameWritten = data.FirstCharToUpper() + data.LastCharToUpper();
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if (nameWritten.IsNullOrEmpty())
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{
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nameWritten = name.FirstCharToUpper() + name.LastCharToUpper();
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}
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}
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}
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return nameWritten;
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}
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/// <summary>
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/// 字符串是 null 或者 空
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/// </summary>
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/// <param name="value"></param>
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/// <returns></returns>
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public static bool IsNullOrEmpty(this string value) => value == null || value!.Length <= 0;
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/// <summary>
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/// 返回字符串首字符的大写字母
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public static string FirstCharToUpper(this string input) => input.IsNullOrEmpty() ? input : input.First().ToString().ToUpper();
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/// <summary>
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/// 返回字符串尾字符的大写字母
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/// </summary>
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/// <param name="input"></param>
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/// <returns></returns>
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public static string LastCharToUpper(this string input) => input.IsNullOrEmpty() ? input : input.Last().ToString().ToUpper();
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/// <summary>
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/// 转换布尔值
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/// </summary>
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/// <returns></returns>
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public static bool ToBoolean(this string value, bool defaultValue = false) => value?.ToUpper() switch
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{
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"1" or "TRUE" => true,
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_ => defaultValue,
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};
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/// <summary>
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/// ToLong
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/// </summary>
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/// <returns></returns>
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public static long ToLong(this string value, long defaultValue = 0) => value.IsNullOrEmpty() ? defaultValue : Int64.TryParse(value, out var n) ? n : defaultValue;
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/// <summary>
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/// ToInt
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/// </summary>
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/// <returns></returns>
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public static int ToInt(this string value, int defaultValue = 0) => value.IsNullOrEmpty() ? defaultValue : Int32.TryParse(value, out var n) ? n : defaultValue;
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/// <summary>
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/// ToDecimal
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/// </summary>
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/// <returns></returns>
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public static decimal ToDecimal(this string value, int defaultValue = 0) => value.IsNullOrEmpty() ? defaultValue : Decimal.TryParse(value, out var n) ? n : defaultValue;
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/// <summary>
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/// 匹配手机号码
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/// </summary>
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/// <param name="s">源字符串</param>
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/// <returns>是否匹配成功</returns>
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public static bool MatchPhoneNumber(this string s) => !string.IsNullOrEmpty(s) && Regex.IsMatch(s, @"^1[3456789][0-9]{9}$");
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/// <summary>
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/// 匹配邮箱格式
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/// </summary>
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/// <param name="s">源字符串</param>
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/// <returns>是否匹配成功</returns>
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public static bool MatchEmail(this string s) => !string.IsNullOrEmpty(s) && Regex.IsMatch(s, @"^\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*$");
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/// <summary>合并多段路径</summary>
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/// <param name="path"></param>
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/// <param name="ps"></param>
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/// <returns></returns>
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public static string CombinePath(this string path, params string[] ps)
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{
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if (ps == null || ps.Length <= 0) return path;
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path ??= string.Empty;
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foreach (var item in ps)
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{
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if (!item.IsNullOrEmpty()) path = Path.Combine(path, item);
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}
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return path;
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}
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} |