#nullable enable
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using System.Text;
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using System.Text.RegularExpressions;
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namespace Admin.NET.Core
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{
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public static class StringUtil
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{
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/// <summary>
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/// 获取下划线表达式
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/// </summary>
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/// <param name="camel"></param>
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/// <returns></returns>
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public static string ToUnderLine(this string camel)
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{
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return Regex.Replace(camel, "([A-Z])", "_$1").ToLower().TrimStart('_');
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}
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/// <summary>
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/// 获取下划线表达式
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/// </summary>
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/// <param name="camel"></param>
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/// <returns></returns>
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public static string ToUnderLine(this string camel, char trimChar)
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{
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return Regex.Replace(camel, "([A-Z])", trimChar + "$1").ToLower().TrimStart(trimChar);
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}
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/// <summary>
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/// 获取驼峰表达式
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/// </summary>
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/// <param name="camel"></param>
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/// <returns></returns>
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public static string ToCamel(this string str)
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{
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if(string.IsNullOrEmpty(str)) return "";
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return str[..1].ToLower() + str[1..];
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}
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/// <summary>
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/// 将类型进行转换
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/// </summary>
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/// <param name="dataType"></param>
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/// <returns></returns>
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public static string ParseTrueType(string dataType)
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{
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if(!dataType.StartsWith("System.Nullable")) return dataType;
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return new Regex(@"(?i)(?<=\[)(.*)(?=\])").Match(dataType).Value;
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}
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/// <summary>
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/// 将类型进行转换
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/// </summary>
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/// <param name="dataType"></param>
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/// <returns></returns>
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public static string ParseTrueType2(string dataType)
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{
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if (!dataType.StartsWith("System.Nullable")) return dataType;
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var str = new Regex(@"(?i)(?<=\[\[)(.*)(?=\]\])").Match(dataType).Value;
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var args = str.Split(',');
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return args.Length > 0 ? args[0] : "";
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}
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/// <summary>
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/// 分割字符
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/// </summary>
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/// <returns></returns>
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public static string SplitChar()
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{
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return new ASCIIEncoding().GetString(new byte[] { 3 });
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}
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}
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}
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