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using System;
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using System.Collections.Generic;
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using System.Collections;
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using System.Data;
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using System.Text;
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using System.Reflection;
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using System.Text.RegularExpressions;
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using BP.DA;
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using Newtonsoft.Json;
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using Newtonsoft.Json.Linq;
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namespace BP.Tools
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{
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public class Json
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{
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/// <summary>
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/// 把一个json转化一个datatable
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/// </summary>
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/// <param name="json">一个json字符串</param>
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/// <returns>序列化的datatable</returns>
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public static DataTable ToDataTable(string strJson)
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{
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if (strJson.Trim().IndexOf('[') != 0)
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{
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strJson = "[" + strJson + "]";
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}
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strJson = strJson.Replace("\\\\\"", "'");
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DataTable dtt = (DataTable)JsonConvert.DeserializeObject<DataTable>(strJson);
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return dtt;
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}
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/// <summary>
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/// 把一个json转化一个datatable 杨玉慧
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/// </summary>
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/// <param name="json">一个json字符串</param>
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/// <returns>序列化的datatable</returns>
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public static DataTable ToDataTableOneRow(string strJson)
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{
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////杨玉慧 写 用这个写
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if (strJson.Trim().IndexOf('[') != 0)
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{
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strJson = "[" + strJson + "]";
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}
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DataTable dtt = (DataTable)JsonConvert.DeserializeObject<DataTable>(strJson);
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return dtt;
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}
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/// <summary>
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/// 把dataset转成json 不区分大小写.
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/// </summary>
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/// <param name="dataSet"></param>
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/// <returns></returns>
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public static string DataSetToJson(DataSet dataSet, bool isUpperColumn = true)
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{
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string jsonString = "{";
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foreach (DataTable table in dataSet.Tables)
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{
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if (isUpperColumn == true)
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jsonString += "\"" + table.TableName + "\":" + DataTableToJson(table, true) + ",";
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else
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jsonString += "\"" + table.TableName + "\":" + DataTableToJson(table, false) + ",";
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}
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jsonString = jsonString.TrimEnd(',');
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return jsonString + "}";
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}
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/// <summary>
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/// Datatable转换为Json
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/// </summary>
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/// <param name="table">Datatable对象</param>
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/// <returns>Json字符串</returns>
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public static string DataTableToJson(DataTable dt, bool isUpperColumn = true)
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{
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StringBuilder jsonString = new StringBuilder();
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if (dt.Rows.Count == 0)
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{
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jsonString.Append("[]");
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return jsonString.ToString();
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}
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jsonString.Append("[");
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DataRowCollection drc = dt.Rows;
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for (int i = 0; i < drc.Count; i++)
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{
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jsonString.Append("{");
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for (int j = 0; j < dt.Columns.Count; j++)
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{
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string strKey = null;
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if (isUpperColumn == true)
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{
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strKey = dt.Columns[j].ColumnName;
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}
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else
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{
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strKey = dt.Columns[j].ColumnName;
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}
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Type type = dt.Columns[j].DataType;
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string strValue = "";
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if (type == typeof(Single))
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{
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object v = drc[i][j];
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if (v == null || v == DBNull.Value)
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{
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strValue = "0";
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}
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else
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{
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//double f =(double)((float)v);
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strValue = ((float)v).ToString("0." + new string('#', 339));
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}
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//strValue = v == null ? "0" : v;
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//strValue = drc[i][j] == null ? "" : ((float)(drc[i][j])).ToString("0.00");
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}
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else
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{
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strValue = drc[i][j] == null ? "" : drc[i][j].ToString();
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}
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jsonString.Append("\"" + strKey + "\":");
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strValue = StringFormat(strValue, type);
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if (j < dt.Columns.Count - 1)
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{
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jsonString.Append(strValue + ",");
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}
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else
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{
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jsonString.Append(strValue);
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}
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}
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jsonString.Append("},");
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}
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jsonString.Remove(jsonString.Length - 1, 1);
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jsonString.Append("]");
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return jsonString.ToString();
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}
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/// <summary>
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/// 格式化字符型、日期型、布尔型
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/// </summary>
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/// <param name="str"></param>
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/// <param name="type"></param>
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/// <returns></returns>
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private static string StringFormat(string str, Type type)
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{
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if (type == typeof(string))
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{
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str = String2Json(str);
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str = "\"" + str + "\"";
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}
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else if (type == typeof(DateTime))
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{
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str = "\"" + Convert.ToDateTime(str).ToShortDateString() + "\"";
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}
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else if (type == typeof(bool))
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{
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str = str.ToLower();
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}
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if (str.Length == 0)
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str = "\"\"";
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return str;
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}
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/// <summary>
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/// 过滤特殊字符
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/// </summary>
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/// <param name="s"></param>
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/// <returns></returns>
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private static string String2Json(String s)
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{
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System.Text.StringBuilder sb = new StringBuilder();
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for (int i = 0; i < s.Length; i++)
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{
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char c = s.ToCharArray()[i];
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switch (c)
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{
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case '\"':
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sb.Append("\\\""); break;
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case '\\':
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sb.Append("\\\\"); break;
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case '/':
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sb.Append("\\/"); break;
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case '\b':
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sb.Append("\\b"); break;
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case '\f':
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sb.Append("\\f"); break;
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case '\n':
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sb.Append("\\n"); break;
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case '\r':
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sb.Append("\\r"); break;
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case '\t':
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sb.Append("\\t"); break;
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default:
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sb.Append(c); break;
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}
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}
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return sb.ToString();
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}
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/// <summary>
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/// 把一个json转化一个datatable
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/// </summary>
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/// <param name="json">一个json字符串</param>
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/// <returns>序列化的datatable</returns>
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public static DataSet ToDataSet(string json)
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{
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////杨玉慧 写 用这个写
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DataSet ds = JsonConvert.DeserializeObject<DataSet>(json);
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return ds;
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}
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/// <summary>
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/// 对象转换为Json字符串
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/// </summary>
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/// <param name="jsonObject">对象</param>
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/// <returns>Json字符串</returns>
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public static string ToJson(object jsonObject)
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{
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string json = JsonConvert.SerializeObject(jsonObject, Formatting.Indented);
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return json;
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}
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/// <summary>
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/// 对象集合转换Json
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/// </summary>
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/// <param name="array">集合对象</param>
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/// <returns>Json字符串</returns>
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public static string ToJson(IEnumerable array)
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{
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string jsonStr = JsonConvert.SerializeObject(array);
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return jsonStr;
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}
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/// <summary>
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/// 普通集合转换Json
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/// </summary>
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/// <param name="array">集合对象</param>
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/// <returns>Json字符串</returns>
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public static string ToArrayString(IEnumerable array)
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{
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string jsonStr = JsonConvert.SerializeObject(array);
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return jsonStr;
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}
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/// <summary>
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/// 删除结尾字符
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/// </summary>
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/// <param name="str">需要删除的字符</param>
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/// <returns>完成后的字符串</returns>
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private static string DeleteLast(string str)
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{
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if (str.Length > 1)
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{
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return str.Substring(0, str.Length - 1);
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}
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return str;
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}
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/// <summary>
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/// 把Ht转换成Entity模式.
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/// </summary>
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/// <param name="ht"></param>
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/// <returns></returns>
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public static string ToJsonEntityModel(Hashtable ht)
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{
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string strs = "{";
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foreach (string key in ht.Keys)
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{
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var val = ht[key];
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if (val == null)
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{
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strs += "\"" + key + "\":\"\",";
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continue;
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}
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var tp = val.GetType();
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if (tp == typeof(int)
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|| tp == typeof(float)
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|| tp == typeof(decimal)
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|| tp == typeof(double)
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|| tp == typeof(Int64))
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{
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strs += "\"" + key + "\":" + ht[key] + ",";
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}
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else
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{
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string valText = ht[key].ToString().Replace("\"", "\\\\\"");
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strs += "\"" + key + "\":\"" + valText + "\",";
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}
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}
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strs += "\"EndJSON\":\"0\"";
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strs += "}";
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strs = TranJsonStr(strs);
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return strs;
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}
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public static string ToJsonEntitiesNoNameMode(Hashtable ht)
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{
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DataTable dt = new DataTable();
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dt.Columns.Add("No");
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dt.Columns.Add("Name");
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foreach (string key in ht.Keys)
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{
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DataRow dr = dt.NewRow();
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dr["No"] = key;
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dr["Name"] = ht[key];
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dt.Rows.Add(dr);
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}
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|
return BP.Tools.Json.DataTableToJson(dt, false);
|
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}
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|
/// <summary>
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/// 转化成Json.
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|
/// </summary>
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|
/// <param name="ht">Hashtable</param>
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|
/// <param name="isNoNameFormat">是否编号名称格式</param>
|
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|
/// <returns></returns>
|
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|
|
public static string ToJson(Hashtable ht)
|
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|
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|
|
{
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|
|
return ToJsonEntityModel(ht);
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|
}
|
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|
/// <summary>
|
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|
|
|
|
/// Datatable转换为Json
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|
/// </summary>
|
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|
|
/// <param name="table">Datatable对象</param>
|
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|
|
/// <returns>Json字符串</returns>
|
|
|
|
|
|
public static string ToJson(DataTable table)
|
|
|
|
|
|
{
|
|
|
|
|
|
// 旧版本...
|
|
|
|
|
|
return JsonConvert.SerializeObject(table);
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// DataSet转换为Json
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="dataSet">DataSet对象</param>
|
|
|
|
|
|
/// <returns>Json字符串</returns>
|
|
|
|
|
|
public static string ToJson(DataSet dataSet)
|
|
|
|
|
|
{
|
|
|
|
|
|
return JsonConvert.SerializeObject(dataSet);
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// String转换为Json
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="value">String对象</param>
|
|
|
|
|
|
/// <returns>Json字符串</returns>
|
|
|
|
|
|
public static string ToJson(string value)
|
|
|
|
|
|
{
|
|
|
|
|
|
if (DataType.IsNullOrEmpty(value))
|
|
|
|
|
|
return string.Empty;
|
|
|
|
|
|
|
|
|
|
|
|
string temstr;
|
|
|
|
|
|
temstr = value;
|
|
|
|
|
|
temstr = temstr.Replace("{", "｛").Replace("}", "｝").Replace(":", "：").Replace(",", "，").Replace("[", "【").Replace("]", "】").Replace(";", "；").Replace("\n", "<br/>").Replace("\r", "");
|
|
|
|
|
|
temstr = temstr.Replace("\t", " ");
|
|
|
|
|
|
temstr = temstr.Replace("'", "\'");
|
|
|
|
|
|
temstr = temstr.Replace(@"\", @"\\");
|
|
|
|
|
|
temstr = temstr.Replace("\"", "\"\"");
|
|
|
|
|
|
return temstr;
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// JSON字符串的转义
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="jsonStr"></param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
private static string TranJsonStr(string jsonStr)
|
|
|
|
|
|
{
|
|
|
|
|
|
string strs = jsonStr;
|
|
|
|
|
|
strs = strs.Replace("\\", "\\\\");
|
|
|
|
|
|
strs = strs.Replace("\n", "\\n");
|
|
|
|
|
|
strs = strs.Replace("\b", "\\b");
|
|
|
|
|
|
strs = strs.Replace("\t", "\\t");
|
|
|
|
|
|
strs = strs.Replace("\f", "\\f");
|
|
|
|
|
|
strs = strs.Replace("\r", "\\r");
|
|
|
|
|
|
strs = strs.Replace("/", "\\/");
|
|
|
|
|
|
return strs;
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
public static partial class ExtensionsJson
|
|
|
|
|
|
{
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 字串反序列化成linq对象
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <param name="Json">字串</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static JObject ToJObject(this string Json)
|
|
|
|
|
|
{
|
|
|
|
|
|
return Json == null ? JObject.Parse("{}") : JObject.Parse(Json.Replace(" ", ""));
|
|
|
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
|
|
|
/// 字串反序列化成指定对象实体(列表)
|
|
|
|
|
|
/// </summary>
|
|
|
|
|
|
/// <typeparam name="T">实体类型</typeparam>
|
|
|
|
|
|
/// <param name="Json">字串</param>
|
|
|
|
|
|
/// <returns></returns>
|
|
|
|
|
|
public static List<T> ToList<T>(this string Json)
|
|
|
|
|
|
{
|
|
|
|
|
|
return Json == null ? null : JsonConvert.DeserializeObject<List<T>>(Json);
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
}
|
