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532 lines
21 KiB
532 lines
21 KiB
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Drawing;
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using System.Web;
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namespace RoadFlow.Utility
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{
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public class Tools
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{
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[Obsolete("请用RoadFlow.Utility.DateTimeNew.Now", true)]
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public static DateTime DateTime
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{
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get
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{
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return DateTimeNew.Now;
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}
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}
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public static System.IO.MemoryStream GetValidateImg(out string code, string bgImg = "WorkFlow/Images/vcodebg.png")
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{
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code = GetValidateCode();
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Random rnd = new Random();
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System.Drawing.Bitmap img = new System.Drawing.Bitmap((int)Math.Ceiling((code.Length * 17.2)), 28);
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System.Drawing.Image bg = System.Drawing.Bitmap.FromFile(HttpContext.Current.Server.MapPath(bgImg));
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System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(img);
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System.Drawing.Font font = new System.Drawing.Font("Arial", 16, (System.Drawing.FontStyle.Regular | System.Drawing.FontStyle.Italic));
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System.Drawing.Font fontbg = new System.Drawing.Font("Arial", 16, (System.Drawing.FontStyle.Regular | System.Drawing.FontStyle.Italic));
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System.Drawing.Drawing2D.LinearGradientBrush brush = new System.Drawing.Drawing2D.LinearGradientBrush(new System.Drawing.Rectangle(0, 0, img.Width, img.Height), System.Drawing.Color.Blue, System.Drawing.Color.DarkRed, 1.2f, true);
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g.DrawImage(bg, 0, 0, new System.Drawing.Rectangle(rnd.Next(bg.Width - img.Width), rnd.Next(bg.Height - img.Height), img.Width, img.Height), System.Drawing.GraphicsUnit.Pixel);
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g.DrawString(code, fontbg, System.Drawing.Brushes.White, 0, 1);
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g.DrawString(code, font, System.Drawing.Brushes.Green, 0, 1);//字颜色
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//画图片的背景噪音线
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int x = img.Width;
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int y1 = rnd.Next(5, img.Height);
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int y2 = rnd.Next(5, img.Height);
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g.DrawLine(new System.Drawing.Pen(System.Drawing.Color.Green, 2), 1, y1, x - 2, y2);
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g.DrawRectangle(new System.Drawing.Pen(System.Drawing.Color.Transparent), 0, 10, img.Width - 1, img.Height - 1);
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System.IO.MemoryStream ms = new System.IO.MemoryStream();
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img.Save(ms, System.Drawing.Imaging.ImageFormat.Png);
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return ms;
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}
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private static string GetValidateCode()
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{ //产生五位的随机字符串
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int number;
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char code;
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string checkCode = String.Empty;
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System.Random random = new Random();
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for (int i = 0; i < 4; i++)
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{
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number = random.Next();
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if (number % 2 == 0)
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code = (char)('0' + (char)(number % 10));
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else if (number % 3 == 0)
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code = (char)('a' + (char)(number % 26));
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else
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code = (char)('A' + (char)(number % 26));
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checkCode += code == '0' || code == 'O' ? "x" : code.ToString();
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}
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return checkCode;
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}
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/// <summary>
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/// 获取远程浏览器端 IP 地址
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/// </summary>
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/// <returns>返回 IPv4 地址</returns>
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public static string GetIPAddress()
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{
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string userHostAddress = HttpContext.Current.Request.UserHostAddress;
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if (userHostAddress.IsNullOrEmpty())
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{
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userHostAddress = HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"];
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}
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return userHostAddress;
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}
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/// <summary>
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/// 得到用户浏览器类型
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/// </summary>
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/// <returns></returns>
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public static string GetBrowse()
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{
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return System.Web.HttpContext.Current.Request.Browser.Type;
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}
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/// <summary>
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/// 获取浏览器端操作系统名称
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/// </summary>
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/// <returns></returns>
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public static string GetOSName()
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{
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string osVersion = System.Web.HttpContext.Current.Request.Browser.Platform;
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string userAgent = System.Web.HttpContext.Current.Request.UserAgent;
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if (userAgent.Contains("NT 6.3"))
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{
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osVersion = "Windows8.1";
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}
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else if (userAgent.Contains("NT 6.2"))
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{
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osVersion = "Windows8";
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}
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else if (userAgent.Contains("NT 6.1"))
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{
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osVersion = "Windows7";
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}
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else if (userAgent.Contains("NT 6.0"))
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{
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osVersion = "WindowsVista";
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}
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else if (userAgent.Contains("NT 5.2"))
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{
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osVersion = "WindowsServer2003";
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}
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else if (userAgent.Contains("NT 5.1"))
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{
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osVersion = "WindowsXP";
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}
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else if (userAgent.Contains("NT 5"))
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{
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osVersion = "Windows2000";
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}
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else if (userAgent.Contains("NT 4"))
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{
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osVersion = "WindowsNT4.0";
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}
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else if (userAgent.Contains("Me"))
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{
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osVersion = "WindowsMe";
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}
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else if (userAgent.Contains("98"))
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{
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osVersion = "Windows98";
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}
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else if (userAgent.Contains("95"))
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{
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osVersion = "Windows95";
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}
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else if (userAgent.Contains("Mac"))
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{
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osVersion = "Mac";
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}
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else if (userAgent.Contains("Unix"))
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{
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osVersion = "UNIX";
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}
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else if (userAgent.Contains("Linux"))
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{
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osVersion = "Linux";
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}
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else if (userAgent.Contains("SunOS"))
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{
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osVersion = "SunOS";
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}
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return osVersion;
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}
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/// <summary>
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/// 得到分页HTML
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/// </summary>
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/// <param name="recordCount">记录总数</param>
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/// <param name="pageSize">每页条数</param>
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/// <param name="pageNumber">当前页</param>
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/// <param name="queryString">查询字符串</param>
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/// <returns></returns>
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public static string GetPagerHtml(long recordCount, int pageSize, int pageNumber, string queryString)
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{
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//得到共有多少页
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long PageCount = recordCount <= 0 ? 1 : recordCount % pageSize == 0 ? recordCount / pageSize : recordCount / pageSize + 1;
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long pNumber = pageNumber;
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if (pNumber < 1)
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{
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pNumber = 1;
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}
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else if (pNumber > PageCount)
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{
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pNumber = PageCount;
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}
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//如果只有一页则返回空分页字符串
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if (PageCount <= 1)
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{
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return "";
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}
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StringBuilder ReturnPagerString = new StringBuilder(1500);
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string JsFunctionName = string.Empty;
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//构造分页字符串
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int DisplaySize = 10;//中间显示的页数
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ReturnPagerString.Append("<div>");
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ReturnPagerString.Append("<span style='margin-right:15px;'>共 " + recordCount.ToString() + " 条 每页 <input type='text' id='tnt_count' title='输入数字可改变每页显示条数' class='pagertxt' onchange=\"javascript:_toPage_" + JsFunctionName + "(" + pNumber.ToString() + ",this.value);\" value='" + pageSize.ToString() + "' /> 条 ");
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ReturnPagerString.Append("转到 <input type='text' id='paernumbertext' title='输入数字可跳转页' value=\"" + pNumber.ToString() + "\" onchange=\"javascript:_toPage_" + JsFunctionName + "(this.value," + pageSize.ToString() + ");\" class='pagertxt'/> 页</span>");
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if (pNumber > 1)
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ReturnPagerString.Append("<a class=\"pager\" href=\"javascript:_toPage_" + JsFunctionName + "(" + (pNumber - 1).ToString() + "," + pageSize.ToString() + ");\"><span class=\"pagerarrow\">«</span></a>");
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//添加第一页
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if (pNumber >= DisplaySize / 2 + 3)
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ReturnPagerString.Append("<a class=\"pager\" href=\"javascript:_toPage_" + JsFunctionName + "(1," + pageSize.ToString() + ");\">1…</a>");
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else
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ReturnPagerString.Append("<a class=\"" + (1 == pNumber ? "pagercurrent" : "pager") + "\" href=\"javascript:_toPage_" + JsFunctionName + "(1," + pageSize.ToString() + ");\">1</a>");
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//添加中间数字
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long star = pNumber - DisplaySize / 2;
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long end = pNumber + DisplaySize / 2;
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if (star < 2)
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{
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end += 2 - star;
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star = 2;
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}
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if (end > PageCount - 1)
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{
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star -= end - (PageCount - 1);
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end = PageCount - 1;
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}
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if (star < 2)
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star = 2;
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for (long i = star; i <= end; i++)
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ReturnPagerString.Append("<a class=\"" + (i == pNumber ? "pagercurrent" : "pager") + "\" href=\"javascript:_toPage_" + JsFunctionName + "(" + i.ToString() + "," + pageSize.ToString() + ");\">" + i.ToString() + "</a>");
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//添加最后页
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if (pNumber <= PageCount - (DisplaySize / 2))
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ReturnPagerString.Append("<a class=\"pager\" href=\"javascript:_toPage_" + JsFunctionName + "(" + PageCount.ToString() + "," + pageSize.ToString() + ");\">…" + PageCount.ToString() + "</a>");
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else if (PageCount > 1)
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ReturnPagerString.Append("<a class=\"" + (PageCount == pNumber ? "pagercurrent" : "pager") + "\" href=\"javascript:_toPage_" + JsFunctionName + "(" + PageCount.ToString() + "," + pageSize.ToString() + ");\">" + PageCount.ToString() + "</a>");
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if (pNumber < PageCount)
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ReturnPagerString.Append("<a class=\"pager\" href=\"javascript:_toPage_" + JsFunctionName + "(" + (pNumber + 1).ToString() + "," + pageSize.ToString() + ");\"><span class=\"pagerarrow\">»</span></a>");
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ReturnPagerString.Append("</div>");
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//构造分页JS函数
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ReturnPagerString.Append("<script type=\"text/javascript\" lanuage=\"javascript\">");
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ReturnPagerString.Append("function _toPage_" + JsFunctionName + "(page,size){");
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ReturnPagerString.Append("var par=\"" + queryString + "\";");
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ReturnPagerString.Append("window.location=\"?pagenumber=\"+page+\"&pagesize=\"+size+par;");
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ReturnPagerString.Append("}");
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ReturnPagerString.Append("</script>");
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return ReturnPagerString.ToString();
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}
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/// <summary>
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/// 得到页尺寸
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/// </summary>
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/// <returns></returns>
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public static int GetPageSize()
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{
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string size = System.Web.HttpContext.Current.Request["pagesize"] ?? "15";
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int size1;
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return size.IsInt(out size1) ? size1 : 15;
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}
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/// <summary>
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/// 得到页号
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/// </summary>
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/// <returns></returns>
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public static int GetPageNumber()
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{
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string number = System.Web.HttpContext.Current.Request["pagenumber"] ?? "1";
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int number1;
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return number.IsInt(out number1) ? number1 : 1;
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}
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/// <summary>
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/// 得到列表项
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/// </summary>
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/// <param name="list">列表, 标题,值</param>
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/// <param name="value">默认值</param>
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/// <param name="showEmpty">是不显示空选项</param>
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/// <param name="emptyTitle">空选项显示标题</param>
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/// <returns></returns>
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public static System.Web.UI.WebControls.ListItem[] GetListItems(IList<string[]> list, string value, bool showEmpty = false, string emptyTitle = "")
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{
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List<System.Web.UI.WebControls.ListItem> items = new List<System.Web.UI.WebControls.ListItem>();
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if (showEmpty)
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{
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items.Add(new System.Web.UI.WebControls.ListItem(emptyTitle, ""));
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}
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foreach (var li in list)
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{
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if (li.Length < 2)
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{
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continue;
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}
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var item = new System.Web.UI.WebControls.ListItem(li[0], li[1]);
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item.Selected = !value.IsNullOrEmpty() && value == li[1] && !items.Exists(p => p.Selected);
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items.Add(item);
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}
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return items.ToArray();
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}
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public static System.Web.UI.WebControls.ListItem[] GetListItems(IList<string> list, string value, bool showEmpty = false, string emptyTitle = "")
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{
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List<string[]> newList = new List<string[]>();
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foreach (string str in list)
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{
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newList.Add(new string[] { str, str });
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}
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return GetListItems(newList, value, showEmpty, emptyTitle);
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}
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/// <summary>
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/// 将服务器控件列表项转换为select列表项
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/// </summary>
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/// <param name="items"></param>
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/// <returns></returns>
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public static string GetOptionsString(System.Web.UI.WebControls.ListItem[] items)
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{
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StringBuilder options = new StringBuilder(items.Length * 50);
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foreach (var item in items)
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{
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options.AppendFormat("<option value=\"{0}\" {1}>", item.Value.Replace("\"","'"), item.Selected ? "selected=\"selected\"" : "");
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options.Append(item.Text);
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options.Append("</option>");
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}
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return options.ToString();
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}
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/// <summary>
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/// 将服务器控件列表项转换为Checkbox项
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/// </summary>
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/// <param name="items"></param>
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/// <returns></returns>
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public static string GetCheckBoxString(System.Web.UI.WebControls.ListItem[] items, string name, string[] values, string otherAttr = "")
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{
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StringBuilder options = new StringBuilder(items.Length * 50);
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foreach (var item in items)
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{
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string tempid = Guid.NewGuid().ToString("N");
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options.AppendFormat("<input type=\"checkbox\" value=\"{0}\" {1} id=\"{2}\" name=\"{3}\" {4} style=\"vertical-align:middle\" />",
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item.Value.Replace("\"", "'"),
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values != null && values.Contains(item.Value) ? "checked=\"checked\"" : "",
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string.Format("{0}_{1}", name, tempid),
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name,
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otherAttr
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);
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options.AppendFormat("<label style=\"vertical-align:middle;margin-right:2px;\" for=\"{0}\">", string.Format("{0}_{1}", name, tempid));
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options.Append(item.Text);
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options.Append("</label>");
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}
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return options.ToString();
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}
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/// <summary>
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/// 将服务器控件列表项转换为Radio项
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/// </summary>
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/// <param name="items"></param>
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/// <returns></returns>
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public static string GetRadioString(System.Web.UI.WebControls.ListItem[] items, string name, string otherAttr = "")
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{
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StringBuilder options = new StringBuilder(items.Length * 50);
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foreach (var item in items)
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{
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string tempid = Guid.NewGuid().ToString("N");
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options.AppendFormat("<input type=\"radio\" value=\"{0}\" {1} id=\"{2}\" name=\"{3}\" {4} style=\"vertical-align:middle\" />",
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item.Value.Replace("\"", "'"),
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item.Selected ? "checked=\"checked\"" : "",
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string.Format("{0}_{1}", name, tempid),
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name,
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otherAttr
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);
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options.AppendFormat("<label style=\"vertical-align:middle;margin-right:2px;\" for=\"{0}\">", string.Format("{0}_{1}", name, tempid));
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options.Append(item.Text);
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options.Append("</label>");
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}
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return options.ToString();
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}
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/// <summary>
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/// 得到是否选择项
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/// </summary>
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/// <param name="value"></param>
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/// <param name="showEmpty"></param>
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/// <param name="emptyString"></param>
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/// <returns></returns>
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public static System.Web.UI.WebControls.ListItem[] GetYesNoListItems(string value, bool showEmpty = false, string emptyString = "")
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{
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List<string[]> list = new List<string[]>();
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list.Add(new string[] { "是", "1" });
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list.Add(new string[] { "否", "0" });
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return GetListItems(list, value, showEmpty, emptyString);
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}
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/// <summary>
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/// 得到sql语句in里的字符串
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/// </summary>
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/// <param name="str">字符串</param>
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/// <returns></returns>
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public static string GetSqlInString(string str, bool isSingleQuotes = true, string split = ",")
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{
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string[] strArray = str.Split(new string[] { split }, StringSplitOptions.RemoveEmptyEntries);
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return GetSqlInString(strArray, isSingleQuotes);
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}
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/// <summary>
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/// 得到sql语句in里的字符串
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="strArray"></param>
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/// <param name="isSingleQuotes">是否加单引号，字符串要加，数字不加</param>
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/// <returns></returns>
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public static string GetSqlInString<T>(T[] strArray, bool isSingleQuotes = true)
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{
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StringBuilder inStr = new StringBuilder(strArray.Length * 40);
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foreach (var s in strArray)
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{
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if (s.ToString().IsNullOrEmpty())
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{
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continue;
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}
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if (isSingleQuotes)
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{
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inStr.Append("'");
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}
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inStr.Append(s.ToString().Trim());
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if (isSingleQuotes)
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{
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inStr.Append("'");
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}
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inStr.Append(",");
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}
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return inStr.ToString().TrimEnd(',');
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}
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/// <summary>
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/// 产生不重复随机数
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/// </summary>
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/// <param name="count">共产生多少随机数</param>
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/// <param name="minValue">最小值</param>
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/// <param name="maxValue">最大值</param>
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/// <returns>int[]数组</returns>
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public static int[] GetRandomNum(int count, int minValue, int maxValue)
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{
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Random rnd = new Random(Guid.NewGuid().GetHashCode());
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int length = maxValue - minValue + 1;
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byte[] keys = new byte[length];
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rnd.NextBytes(keys);
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int[] items = new int[length];
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for (int i = 0; i < length; i++)
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{
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items[i] = i + minValue;
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}
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Array.Sort(keys, items);
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int[] result = new int[count];
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Array.Copy(items, result, count);
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return result;
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}
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/// <summary>
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/// 产生随机字符串
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/// </summary>
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/// <returns>字符串位数</returns>
|
|
public static string GetRandomString(int length = 5)
|
|
{
|
|
int number;
|
|
char code;
|
|
string checkCode = String.Empty;
|
|
System.Random random = new Random(Guid.NewGuid().GetHashCode());
|
|
|
|
for (int i = 0; i < length + 1; i++)
|
|
{
|
|
number = random.Next();
|
|
|
|
if (number % 2 == 0)
|
|
code = (char)('0' + (char)(number % 10));
|
|
else
|
|
code = (char)('A' + (char)(number % 26));
|
|
checkCode += code.ToString();
|
|
}
|
|
return checkCode;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 产生随机字母
|
|
/// </summary>
|
|
/// <returns>字符串位数</returns>
|
|
public static string GetRandomLetter(int length = 2)
|
|
{
|
|
int number;
|
|
char code;
|
|
string checkCode = String.Empty;
|
|
System.Random random = new Random(Guid.NewGuid().GetHashCode());
|
|
for (int i = 0; i < length; i++)
|
|
{
|
|
number = random.Next();
|
|
code = (char)('A' + (char)(number % 26));
|
|
checkCode += code.ToString();
|
|
}
|
|
return checkCode;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 得到一个文件的大小(单位KB)
|
|
/// </summary>
|
|
/// <returns></returns>
|
|
public static string GetFileSize(string file)
|
|
{
|
|
if (!System.IO.File.Exists(file))
|
|
{
|
|
return "";
|
|
}
|
|
System.IO.FileInfo fi = new System.IO.FileInfo(file);
|
|
|
|
return (fi.Length/1000).ToString("###,###");
|
|
}
|
|
|
|
public static string DataTableToJsonString(System.Data.DataTable dt)
|
|
{
|
|
LitJson.JsonData json = new LitJson.JsonData();
|
|
foreach(System.Data.DataRow dr in dt.Rows)
|
|
{
|
|
LitJson.JsonData drJson = new LitJson.JsonData();
|
|
for (int i = 0; i < dt.Columns.Count; i++)
|
|
{
|
|
LitJson.JsonData drJson1 = new LitJson.JsonData();
|
|
drJson1 = dr[i].ToString();
|
|
drJson.Add(drJson1);
|
|
}
|
|
json.Add(drJson);
|
|
}
|
|
return json.ToJson();
|
|
}
|
|
}
|
|
}
|
|
|