基线 SVN r240

SVN-Revision: r240

其他程序/Lskj.SmsSending2/JsonUtil.cs

@@ -0,0 +1,171 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Data;
+using System.Linq;
+using System.Text;
+using System.Web.Script.Serialization;
+
+
+namespace Lskj.SmsSending2
+{
+    public static class JsonUtil
+    {
+        /// <summary>
+        /// <para>说明：json 字符串转换为DataTable</para>
+        /// <para>创建人：龚宇超</para>
+        /// <para>创建日期：2017-10-23 </para>
+        /// <para>修改人：</para>
+        /// <para>修改日期：</para>
+        /// <para>修改备注：</para>
+        /// <para>版本：1.0</para>
+        /// </summary>
+        /// <param name="json">The json.</param>
+        /// <returns>DataTable.</returns>
+        public static DataTable ToDataTable(this string json)
+        {
+            DataTable dataTable = new DataTable();  //实例化
+            DataTable result;
+            try
+            {
+                JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
+                javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
+                ArrayList arrayList = javaScriptSerializer.Deserialize<ArrayList>(json);
+                if (arrayList.Count > 0)
+                {
+                    foreach (Dictionary<string, object> dictionary in arrayList)
+                    {
+                        if (dictionary.Keys.Count<string>() == 0)
+                        {
+                            result = dataTable;
+                            return result;
+                        }
+                        if (dataTable.Columns.Count == 0)
+                        {
+                            foreach (string current in dictionary.Keys)
+                            {
+                                dataTable.Columns.Add(current, dictionary[current].GetType());
+                            }
+                        }
+                        DataRow dataRow = dataTable.NewRow();
+                        foreach (string current in dictionary.Keys)
+                        {
+                            dataRow[current] = dictionary[current];
+                        }
+
+                        dataTable.Rows.Add(dataRow); //循环添加行到DataTable中
+                    }
+                }
+            }
+            catch
+            {
+
+            }
+            result = dataTable;
+            return result;
+        }
+        /// <summary>
+        /// <para>说明：</para>
+        /// <para>创建人：龚宇超</para>
+        /// <para>创建日期：2017-10-23 </para>
+        /// <para>修改人：</para>
+        /// <para>修改日期：</para>
+        /// <para>修改备注：</para>
+        /// <para>版本：1.0</para>
+        /// </summary>
+        /// <param name="json">The json.</param>
+        /// <returns>DataRow.</returns>
+        public static DataRow ToDataRow(this string json)
+        {
+            if (string.IsNullOrWhiteSpace(json)) return null;
+
+            return ToDataTable(json).Rows[0];
+        }
+        /// <summary>
+        /// <para>说明：DataTable To JsonArray</para>
+        /// <para>创建人：龚宇超</para>
+        /// <para>创建日期：2017-10-23 </para>
+        /// <para>修改人：</para>
+        /// <para>修改日期：</para>
+        /// <para>修改备注：</para>
+        /// <para>版本：1.0</para>
+        /// </summary>
+        /// <param name="dtTable">The dt table.</param>
+        /// <returns>System.String.</returns>
+        public static string ToJsonArray(this DataTable dtTable)
+        {
+            JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
+            javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
+            ArrayList arrayList = new ArrayList();
+            foreach (DataRow dataRow in dtTable.Rows)
+            {
+                Dictionary<string, object> dictionary = new Dictionary<string, object>();  //实例化一个参数集合
+                foreach (DataColumn dataColumn in dtTable.Columns)
+                {
+                    dictionary.Add(dataColumn.ColumnName, dataRow[dataColumn.ColumnName].ToStr());
+                }
+                arrayList.Add(dictionary); //ArrayList集合中添加键值
+            }
+
+            return javaScriptSerializer.Serialize(arrayList);  //返回一个json字符串
+        }
+        /// <summary>
+        /// <para>说明：DataRow To Json</para>
+        /// <para>创建人：龚宇超</para>
+        /// <para>创建日期：2017-10-23 </para>
+        /// <para>修改人：</para>
+        /// <para>修改日期：</para>
+        /// <para>修改备注：</para>
+        /// <para>版本：1.0</para>
+        /// </summary>
+        /// <param name="row">The row.</param>
+        /// <returns>System.String.</returns>
+        public static string ToJsonObject(this DataRow row)
+        {
+            JavaScriptSerializer javaScriptSerializer = new JavaScriptSerializer();
+            javaScriptSerializer.MaxJsonLength = Int32.MaxValue; //取得最大数值
+            ArrayList arrayList = new ArrayList();
+
+            Dictionary<string, object> dictionary = new Dictionary<string, object>();  //实例化一个参数集合
+            foreach (DataColumn dataColumn in row.Table.Columns)
+            {
+                dictionary.Add(dataColumn.ColumnName, row[dataColumn.ColumnName].ToStr());
+            }
+            arrayList.Add(dictionary); //ArrayList集合中添加键值
+            return javaScriptSerializer.Serialize(arrayList);
+        }
+
+        /// <summary>
+        /// <para>说明：</para>
+        /// <para>创建人：龚宇超</para>
+        /// <para>创建日期：2017-10-23 </para>
+        /// <para>修改人：</para>
+        /// <para>修改日期：</para>
+        /// <para>修改备注：</para>
+        /// <para>版本：1.0</para>
+        /// </summary>
+        /// <param name="s">The s.</param>
+        /// <param name="format">The format.</param>
+        /// <returns>A <see cref="System.String" /> that represents this instance.</returns>
+        public static string ToStr(this object s, string format = "")
+        {
+            string result = string.Empty;
+            try
+            {
+                if (string.IsNullOrWhiteSpace(format))
+                {
+                    result = s.ToString();
+                }
+                else
+                {
+                    result = string.Format("{0:" + format + "}", s);
+                }
+            }
+            catch
+            {
+            }
+            return result;
+        }
+
+    }
+}