geboshi_V1/LeatherProject/GeBoShi/SysCtrl/Utils.cs

using SqlSugar;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace GeBoShi.SysCtrl
{
    public static class Utils
    {
        private static Regex RegNumber = new Regex("^[0-9]+$");                     //匹配　整数（不可以带正负号）

        private static Regex RegDecimal = new Regex("^(-?\\d+)(\\.\\d+)?$");    //浮点 （可以带正负号）

        public static bool IsDecimal(object inputData)
        {
            if (inputData == null) return false;
            Match m = RegDecimal.Match(inputData.ToString());
            return m.Success;
        }

        public static bool IsNumber(object inputData)
        {
            if (inputData == null) return false;
            Match m = RegNumber.Match(inputData.ToString());
            return m.Success;
        }

        private static double ContrastLow = 0.8;
        private static double ContrastTop = 1.2;
        /// <summary>
        /// 获取对比度百分比 0-100 对应0.6-1.4
        /// </summary>
        /// <param name="val"></param>
        /// <returns></returns>
        public static double ContrastToPercent(double val)
        {
            if (val < ContrastLow)
                return 0;
            else if (val > ContrastTop)
                return 100;
            double temp = 100 / (ContrastTop - ContrastLow);
            return Math.Round(temp * (val - ContrastLow), 2);
        }
        public static double PercentToContrast(double val)
        {
            double tt = 1;
            if (val > 100)
                tt = 100;
            else if (val < 0)
                tt = 0;
            else
                tt = val;
            double temp = tt / 100 * (ContrastTop - ContrastLow);
            return temp + ContrastLow;
        }
        public class ExcelUtil
        {
            public static DataTable ConvertToDataTable<T>(IList<T> data, List<string> lstColName)
            {
                PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(typeof(T));
                DataTable table = new DataTable();
                foreach (PropertyDescriptor prop in properties)
                {
                    if (lstColName.Contains(prop.Name))
                        table.Columns.Add(prop.Name, Nullable.GetUnderlyingType(prop.PropertyType) ?? prop.PropertyType);
                }
                foreach (T item in data)
                {
                    DataRow row = table.NewRow();
                    foreach (PropertyDescriptor prop in properties)
                    {
                        if (lstColName.Contains(prop.Name))
                            row[prop.Name] = prop.GetValue(item) ?? DBNull.Value;
                    }
                    table.Rows.Add(row);
                }
                return table;
            }
            public static bool DataTable2CSV(string saveFilePath, System.Data.DataTable dt)
            {
                //MessageBox.Show(AbosultedFilePath);
                System.IO.FileStream fs = new FileStream(saveFilePath, System.IO.FileMode.Create, System.IO.FileAccess.Write);
                StreamWriter sw = new StreamWriter(fs, new System.Text.UnicodeEncoding());
                //Tabel header
                for (int i = 0; i < dt.Columns.Count; i++)
                {
                    sw.Write(dt.Columns[i].ColumnName);
                    sw.Write("\t");
                }
                sw.WriteLine("");
                //Table body
                for (int i = 0; i < dt.Rows.Count; i++)
                {
                    for (int j = 0; j < dt.Columns.Count; j++)
                    {
                        sw.Write(DelQuota(dt.Rows[i][j].ToString()));
                        sw.Write("\t");
                    }
                    sw.WriteLine("");
                }
                sw.Flush();
                sw.Close();
                return true;
            }
            public static string DelQuota(string str)
            {
                string result = str;
                string[] strQuota = { "~", "!", "@", "#", "$", "%", "^", "&", "*", "(", ")", "`", ";", "'", ",", "/", ":", "/,", "<", ">", "?" };//".",
                for (int i = 0; i < strQuota.Length; i++)
                {
                    if (result.IndexOf(strQuota[i]) > -1)
                        result = result.Replace(strQuota[i], "");
                }
                return result;
            }

            
            //public static bool saveFile(string saveFilePath, DataTable dataTable)
            //{
            //    try
            //    {
            //        //// 创建一个 DataTable 对象来存储数据
            //        //DataTable dataTable = new DataTable("MyData");
            //        //// 添加列到 DataTable
            //        //dataTable.Columns.Add("Name", typeof(string));
            //        //dataTable.Columns.Add("Age", typeof(int));
            //        //// 向 DataTable 中添加数据行
            //        //dataTable.Rows.Add("John Doe", 30);
            //        //dataTable.Rows.Add("Jane Smith", 25);
            //        // 使用 ClosedXML 组件导出 Excel 文件
            //        using (XLWorkbook workbook = new XLWorkbook())
            //        {
            //            IXLWorksheet worksheet = workbook.AddWorksheet("MySheet");
            //            int row = 1; //行从1开始
            //            for (int i = 0; i < dataTable.Rows.Count; i++)
            //            {
            //                for (int j = 0; j < dataTable.Columns.Count; j++)
            //                {
            //                    if (row == 1)//头标题
            //                        worksheet.Cell(1, j + 1).Value = dataTable.Columns[j].ColumnName;

            //                    //内容
            //                    worksheet.Cell(row + 1, j + 1).Value = dataTable.Rows[i][j].ToString();
            //                    // 设置单元格样式
            //                    //worksheet.Cell(row, 2).Style.Font.Bold = true;
            //                    //worksheet.Cell(row, 2).Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Right;

            //                }
            //                row++;
            //            }
            //            // 将 Excel 文件保存到磁盘
            //            //string fileName = @"C:\temp\MyExcelFile.xlsx";
            //            workbook.SaveAs(saveFilePath);
            //            // 释放资源
            //            workbook.Dispose();
            //        }
            //        return true;
            //    }
            //    catch (Exception ex)
            //    {
            //        throw ex;
            //    }
            //}
            //public static bool test(string saveFilePath, DataTable dataTable1)
            //{
            //    try
            //    {
            //        // 创建一个 DataTable 对象来存储数据
            //        DataTable dataTable = new DataTable("MyData");
            //        // 添加列到 DataTable
            //        dataTable.Columns.Add("Name", typeof(string));
            //        dataTable.Columns.Add("Age", typeof(int));
            //        // 向 DataTable 中添加数据行
            //        dataTable.Rows.Add("John Doe", 30);
            //        dataTable.Rows.Add("Jane Smith", 25);
            //        // 使用 ClosedXML 组件导出 Excel 文件
            //        using (XLWorkbook workbook = new XLWorkbook())
            //        {
            //            IXLWorksheet worksheet = workbook.AddWorksheet("MySheet");
            //            int row = 1;
            //            foreach (DataRow dataRow in dataTable.Rows)
            //            {
            //                worksheet.Cell(row, 1).Value = dataRow["Name"].ToString();
            //                worksheet.Cell(row, 2).Value = Convert.ToInt32(dataRow["Age"]);
            //                // 设置单元格样式
            //                worksheet.Cell(row, 2).Style.Font.Bold = true;
            //                worksheet.Cell(row, 2).Style.Alignment.Horizontal = XLAlignmentHorizontalValues.Right;
            //                row++;
            //            }
            //            // 将 Excel 文件保存到磁盘
            //            //string fileName = @"C:\temp\MyExcelFile.xlsx";
            //            workbook.SaveAs(saveFilePath);
            //            // 释放资源
            //            workbook.Dispose();
            //        }
            //        return true;
            //    }
            //    catch (Exception ex)
            //    {
            //        return false;
            //    }
            //}
        }
    }
    
}