SourceCode/RFrameGenerate.Common/ExtensionMethods/StringEx.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace System
{
    public static class StringEx
    {
        /// <summary>
        /// 时间格式转换
        /// </summary>
        /// <returns>格式(MM-dd)</returns>
        public static string ToSymbolMarkString(this string str)
        {
            return GetSymbolMark(str, '*', 3);
        }

        /// <summary>
        /// 特殊字符遮罩部分字符
        /// </summary>
        /// <param name="str">需要特殊符号遮罩处理的字符串</param>
        /// <param name="symbol">特殊符号</param>
        /// <param name="len">首尾正常显示长度</param>
        /// <returns></returns>
        public static string GetSymbolMark(string str, char symbol, int len)
        {
            if (!string.IsNullOrEmpty(str))
            {
                int dotLastIndex = str.LastIndexOf('.');
                if (dotLastIndex > -1)
                {
                    //邮箱地址
                    var prefix = str.Substring(0, dotLastIndex);
                    var suffix = str.Substring(dotLastIndex);
                    str = GetMarkHandle(prefix, symbol, len) + suffix;
                }
                else
                {
                    //普通字符串
                    str = GetMarkHandle(str, symbol, len);
                }
            }
            return str;
        }

        /// <summary>
        /// 对字符串直接遮罩
        /// </summary>
        /// <param name="str">需要特殊符号遮罩处理的字符串</param>
        /// <param name="symbol">特殊符号</param>
        /// <param name="len">首尾正常显示长度</param>
        /// <returns></returns>
        private static string GetMarkHandle(string str, char symbol, int len)
        {
            int strLength = str.Length;
            if (strLength < 5)
            {
                string symbolToString = symbol.ToString();
                switch (strLength)