namespace BLL { using System; using System.Collections.Generic; using System.Globalization; using System.Data.Linq; /// /// 通用方法类。 /// public static class Funs { /// /// 维护一个DB集合 /// private static Dictionary dataBaseLinkList = new System.Collections.Generic.Dictionary(); /// /// 维护一个DB集合 /// public static System.Collections.Generic.Dictionary DBList { get { return dataBaseLinkList; } } /// /// 数据库连接字符串 /// private static string connString; /// /// 数据库连结字符串。 /// public static string ConnString { get { if (connString == null) { throw new NotSupportedException("请设置连接字符串!"); } return connString; } set { if (connString != null) { throw new NotSupportedException("连接已设置!"); } connString = value; } } /// /// 单位设置 /// public static string UnitSet { get; set; } /// /// 路径 /// public static string RootPath { get; set; } /// /// 系统名 /// public static string SystemName { get; set; } /// /// AD域名 /// public static string ADomainUrl { get; set; } /// /// APP下载地址 /// public static string APPUrl { get; set; } /// /// 系统 /// public static string SystemCode { get; set; } /// /// 每页数量 /// public static int PageSize { get; set; } = 15; /// /// 数据库上下文。 /// public static Model.SGGLDB DB { get { if (!DBList.ContainsKey(System.Threading.Thread.CurrentThread.ManagedThreadId)) { DBList.Add(System.Threading.Thread.CurrentThread.ManagedThreadId, new Model.SGGLDB(connString)); } return DBList[System.Threading.Thread.CurrentThread.ManagedThreadId]; } } /// /// 为目标下拉框加上 "请选择" 项 /// /// 目标下拉框 public static void PleaseSelect(System.Web.UI.WebControls.DropDownList DDL) { DDL.Items.Insert(0, new System.Web.UI.WebControls.ListItem("- 请选择 -", "0")); return; } /// /// 为目标下拉框加上 "请选择" 项 /// /// 目标下拉框 public static void FineUIPleaseSelect(FineUIPro.DropDownList DDL) { DDL.Items.Insert(0, new FineUIPro.ListItem("- 请选择 -", BLL.Const._Null)); return; } /// /// 为目标下拉框加上 "重新编制" 项 /// /// 目标下拉框 public static void ReCompileSelect(System.Web.UI.WebControls.DropDownList DDL) { DDL.Items.Insert(0, new System.Web.UI.WebControls.ListItem("重新编制", "0")); return; } /// /// 为目标下拉框加上 "重新编制" 项 /// /// 目标下拉框 public static void FineUIReCompileSelect(FineUIPro.DropDownList DDL) { DDL.Items.Insert(0, new FineUIPro.ListItem("重新编制", "0")); return; } /// /// 字符串是否为浮点数 /// /// 要检查的字符串 /// 返回是或否 public static bool IsDecimal(string decimalStr) { if (String.IsNullOrEmpty(decimalStr)) { return false; } try { Convert.ToDecimal(decimalStr, NumberFormatInfo.InvariantInfo); return true; } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return false; } } /// /// 判断一个字符串是否是整数 /// /// 要检查的字符串 /// 返回是或否 public static bool IsInteger(string integerStr) { if (String.IsNullOrEmpty(integerStr)) { return false; } try { Convert.ToInt32(integerStr, NumberFormatInfo.InvariantInfo); return true; } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return false; } } /// /// 获取新的数字 /// /// 要转换的数字 /// 新的数字 public static string InterceptDecimal(object number) { if (number == null) { return null; } decimal newNumber = 0; string newNumberStr = ""; int an = -1; string numberStr = number.ToString(); int n = numberStr.IndexOf("."); if (n == -1) { return numberStr; } for (int i = n + 1; i < numberStr.Length; i++) { string str = numberStr.Substring(i, 1); if (str == "0") { if (GetStr(numberStr, i)) { an = i; break; } } } if (an == -1) { newNumber = Convert.ToDecimal(numberStr); } else if (an == n + 1) { newNumberStr = numberStr.Substring(0, an - 1); newNumber = Convert.ToDecimal(newNumberStr); } else { newNumberStr = numberStr.Substring(0, an); newNumber = Convert.ToDecimal(newNumberStr); } return newNumber.ToString(); } /// /// 判断字符串从第n位开始以后是否都为0 /// /// 要判断的字符串 /// 开始的位数 /// false不都为0,true都为0 public static bool GetStr(string number, int n) { for (int i = n; i < number.Length; i++) { if (number.Substring(i, 1) != "0") { return false; } } return true; } /// /// 截取字符串长度 /// /// 要截取的字符串 /// 长度 /// 截取后字符串 public static string GetSubStr(object str, object n) { if (str != null) { if (str.ToString().Length > Convert.ToInt32(n)) { return str.ToString().Substring(0, Convert.ToInt32(n)) + "...."; } else { return str.ToString(); } } return ""; } /// /// 输入文本转换时间类型 /// /// public static DateTime? GetNewDateTime(string time) { if (!String.IsNullOrEmpty(time)) { try { return DateTime.Parse(time); } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return null; } } else { return null; } } /// /// 输入文本转换数字 /// /// public static decimal? GetNewDecimal(string value) { if (!String.IsNullOrEmpty(value)) { try { return decimal.Parse(value); } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return null; } } else { return null; } } /// /// 输入文本转换数字 /// /// public static decimal GetNewDecimalOrZero(string value) { decimal returnValue = 0; if (!String.IsNullOrEmpty(value)) { try { returnValue = decimal.Parse(value); } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return returnValue; } } return returnValue; } /// /// 输入文本转换数字类型 /// /// public static int? GetNewInt(string value) { if (!String.IsNullOrEmpty(value)) { try { return Int32.Parse(value); } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return null; } } else { return null; } } /// /// 输入文本转换数字类型 /// /// public static int GetNewIntOrZero(string value) { int returnValue = 0; if (!String.IsNullOrEmpty(value)) { try { returnValue = Int32.Parse(value); } catch (Exception ex) { ErrLogInfo.WriteLog(ex); return returnValue; } } return returnValue; } /// /// 指定上传文件的名称 /// /// public static string GetNewFileName() { Random rm = new Random(System.Environment.TickCount); return System.DateTime.Now.ToString("yyyyMMddhhmmss") + rm.Next(1000, 9999).ToString(); } /// /// 根据标识返回字符串list /// /// /// /// public static List GetStrListByStr(string str, char n) { List strList = new List(); if (!string.IsNullOrEmpty(str)) { strList.AddRange(str.Split(n)); } return strList; } /// /// 根据第一页和第二页行数及总记录数,确定需要打印几页 /// /// 第一页行数 /// 第二页行数 /// 总记录数 /// public static int GetPagesCountByPageSize(int pageSize1, int pageSize2, int count) { int pagesCount = 0; if (pageSize1 >= count) //总记录数小于等于第一页行数 { pagesCount = 1; } else if (count > pageSize1 && count <= (pageSize1 + pageSize2)) //总记录数大于第一页行数且小于等于第一页加第二页总行数 { pagesCount = 2; } else //总记录数大于第一页加第二页总行数 { int lastCount = count - pageSize1; decimal c = Convert.ToDecimal(Math.Round(Convert.ToDecimal(lastCount) / Convert.ToDecimal(pageSize2), 2)); if (c.ToString().IndexOf(".") > 0 && c.ToString().Substring(c.ToString().IndexOf("."), c.ToString().Length - c.ToString().IndexOf(".")) != ".00") { string c1 = c.ToString().Substring(0, c.ToString().IndexOf(".")); pagesCount = Convert.ToInt32(c1) + 1; } else { pagesCount = Convert.ToInt32(c); } pagesCount = pagesCount + 1; } return pagesCount; } /// /// 获取上次返修情况 /// /// public static string GetRepariMark(string repairMark) { string mark = string.Empty; if (!string.IsNullOrEmpty(repairMark)) { if (repairMark == "R2") { mark = "R1"; } } return mark; } } }