flow ui

Infrastructure/CommonHelper.cs

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+using System;
+using System.Collections.Generic;
+using System.Diagnostics;
+using System.Text;
+
+namespace Infrastructure
+{
+    /// <summary>
+    /// 常用公共类
+    /// </summary>
+    public class CommonHelper
+    {
+        #region Stopwatch计时器
+        /// <summary>
+        /// 计时器开始
+        /// </summary>
+        /// <returns></returns>
+        public static Stopwatch TimerStart()
+        {
+            Stopwatch watch = new Stopwatch();
+            watch.Reset();
+            watch.Start();
+            return watch;
+        }
+        /// <summary>
+        /// 计时器结束
+        /// </summary>
+        /// <param name="watch"></param>
+        /// <returns></returns>
+        public static string TimerEnd(Stopwatch watch)
+        {
+            watch.Stop();
+            double costtime = watch.ElapsedMilliseconds;
+            return costtime.ToString();
+        }
+        #endregion
+
+        #region 删除数组中的重复项
+        /// <summary>
+        /// 删除数组中的重复项
+        /// </summary>
+        /// <param name="values"></param>
+        /// <returns></returns>
+        public static string[] RemoveDup(string[] values)
+        {
+            List<string> list = new List<string>();
+            for (int i = 0; i < values.Length; i++)//遍历数组成员
+            {
+                if (!list.Contains(values[i]))
+                {
+                    list.Add(values[i]);
+                };
+            }
+            return list.ToArray();
+        }
+        #endregion
+
+        #region 自动生成日期编号
+        /// <summary>
+        /// 自动生成编号  201008251145409865
+        /// </summary>
+        /// <returns></returns>
+        public static string CreateNo()
+        {
+            Random random = new Random();
+            string strRandom = random.Next(1000, 10000).ToString(); //生成编号 
+            string code = DateTime.Now.ToString("yyyyMMddHHmmss") + strRandom;//形如
+            return code;
+        }
+        #endregion
+
+        #region 生成0-9随机数
+        /// <summary>
+        /// 生成0-9随机数
+        /// </summary>
+        /// <param name="codeNum">生成长度</param>
+        /// <returns></returns>
+        public static string RndNum(int codeNum)
+        {
+            StringBuilder sb = new StringBuilder(codeNum);
+            Random rand = new Random();
+            for (int i = 1; i < codeNum + 1; i++)
+            {
+                int t = rand.Next(9);
+                sb.AppendFormat("{0}", t);
+            }
+            return sb.ToString();
+
+        }
+        #endregion
+
+        #region 删除最后一个字符之后的字符
+        /// <summary>
+        /// 删除最后结尾的一个逗号
+        /// </summary>
+        public static string DelLastComma(string str)
+        {
+            return str.Substring(0, str.LastIndexOf(","));
+        }
+        /// <summary>
+        /// 删除最后结尾的指定字符后的字符
+        /// </summary>
+        public static string DelLastChar(string str, string strchar)
+        {
+            return str.Substring(0, str.LastIndexOf(strchar));
+        }
+        /// <summary>
+        /// 删除最后结尾的长度
+        /// </summary>
+        /// <param name="str"></param>
+        /// <param name="Length"></param>
+        /// <returns></returns>
+        public static string DelLastLength(string str, int Length)
+        {
+            if (string.IsNullOrEmpty(str))
+                return "";
+            str = str.Substring(0, str.Length - Length);
+            return str;
+        }
+        #endregion
+    }
+}

Infrastructure/Json.cs

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+using System.Collections.Generic;
+using System.Data;
+using Newtonsoft.Json;
+using Newtonsoft.Json.Converters;
+using Newtonsoft.Json.Linq;
+
+namespace Infrastructure
+{
+    /// <summary>
+    /// Json操作
+    /// </summary>
+    public static class Json
+    {
+        public static object ToJson(this string Json)
+        {
+            return Json == null ? null : JsonConvert.DeserializeObject(Json);
+        }
+        public static string ToJson(this object obj)
+        {
+            var timeConverter = new IsoDateTimeConverter { DateTimeFormat = "yyyy-MM-dd HH:mm:ss" };
+            return JsonConvert.SerializeObject(obj, timeConverter);
+        }
+        public static string ToJson(this object obj, string datetimeformats)
+        {
+            var timeConverter = new IsoDateTimeConverter { DateTimeFormat = datetimeformats };
+            return JsonConvert.SerializeObject(obj, timeConverter);
+        }
+        public static T ToObject<T>(this string Json)
+        {
+            return Json == null ? default(T) : JsonConvert.DeserializeObject<T>(Json);
+        }
+        public static List<T> ToList<T>(this string Json)
+        {
+            return Json == null ? null : JsonConvert.DeserializeObject<List<T>>(Json);
+        }
+        public static DataTable ToTable(this string Json)
+        {
+            return Json == null ? null : JsonConvert.DeserializeObject<DataTable>(Json);
+        }
+        public static JObject ToJObject(this string Json)
+        {
+            return Json == null ? JObject.Parse("{}") : JObject.Parse(Json.Replace("&nbsp;", ""));
+        }
+    }
+}