525 lines
19 KiB
C#
525 lines
19 KiB
C#
using System;
|
|
using System.Data;
|
|
using System.Text;
|
|
using System.Collections.Generic;
|
|
using System.Reflection;
|
|
using System.Data.Common;
|
|
using System.Collections;
|
|
using System.IO;
|
|
using System.Text.RegularExpressions;
|
|
using System.Runtime.Serialization.Json;
|
|
using System.Web.Script.Serialization;
|
|
|
|
namespace SoftCheck
|
|
{
|
|
public class JsonHepler
|
|
{
|
|
/// <summary>
|
|
/// List转成json
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="jsonName"></param>
|
|
/// <param name="list"></param>
|
|
/// <returns></returns>
|
|
public static string ListToJson<T>(IList<T> list, string jsonName)
|
|
{
|
|
StringBuilder Json = new StringBuilder();
|
|
if (string.IsNullOrEmpty(jsonName))
|
|
jsonName = list[0].GetType().Name;
|
|
Json.Append("{\"" + jsonName + "\":[");
|
|
if (list.Count > 0)
|
|
{
|
|
for (int i = 0; i < list.Count; i++)
|
|
{
|
|
T obj = Activator.CreateInstance<T>();
|
|
PropertyInfo[] pi = obj.GetType().GetProperties();
|
|
Json.Append("{");
|
|
for (int j = 0; j < pi.Length; j++)
|
|
{
|
|
Type type;
|
|
object o = pi[j].GetValue(list[i], null);
|
|
string v = string.Empty;
|
|
if (o != null)
|
|
{
|
|
type = o.GetType();
|
|
v = o.ToString();
|
|
}
|
|
else
|
|
{
|
|
type = typeof(string);
|
|
}
|
|
|
|
Json.Append("\"" + pi[j].Name.ToString() + "\":" + StringFormat(v, type));
|
|
|
|
if (j < pi.Length - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
Json.Append("}");
|
|
if (i < list.Count - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
}
|
|
Json.Append("]}");
|
|
return Json.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 序列化集合对象
|
|
/// </summary>
|
|
public static string JsonSerializerByArrayData<T>(T[] tArray)
|
|
{
|
|
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T[]));
|
|
MemoryStream ms = new MemoryStream();
|
|
ser.WriteObject(ms, tArray);
|
|
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
|
|
ms.Close();
|
|
string p = @"\\/Date\((\d+)\+\d+\)\\/";
|
|
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
|
|
Regex reg = new Regex(p);
|
|
jsonString = reg.Replace(jsonString, matchEvaluator);
|
|
return jsonString;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 序列化单个对象
|
|
/// </summary>
|
|
public static string JsonSerializerBySingleData<T>(T t)
|
|
{
|
|
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
|
|
MemoryStream ms = new MemoryStream();
|
|
ser.WriteObject(ms, t);
|
|
string jsonString = Encoding.UTF8.GetString(ms.ToArray());
|
|
ms.Close();
|
|
string p = @"\\/Date\((\d+)\+\d+\)\\/";
|
|
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertJsonDateToDateString);
|
|
Regex reg = new Regex(p);
|
|
jsonString = reg.Replace(jsonString, matchEvaluator);
|
|
return jsonString;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 反序列化单个对象
|
|
/// </summary>
|
|
public static T JsonDeserializeBySingleData<T>(string jsonString)
|
|
{
|
|
//将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"\/Date(1294499956278+0800)\/"格式
|
|
string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
|
|
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);
|
|
Regex reg = new Regex(p);
|
|
jsonString = reg.Replace(jsonString, matchEvaluator);
|
|
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T));
|
|
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
|
|
T obj = (T)ser.ReadObject(ms);
|
|
return obj;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 反序列化集合对象
|
|
/// </summary>
|
|
public static T[] JsonDeserializeByArrayData<T>(string jsonString)
|
|
{
|
|
//将"yyyy-MM-dd HH:mm:ss"格式的字符串转为"\/Date(1294499956278+0800)\/"格式
|
|
string p = @"\d{4}-\d{2}-\d{2}\s\d{2}:\d{2}:\d{2}";
|
|
MatchEvaluator matchEvaluator = new MatchEvaluator(ConvertDateStringToJsonDate);
|
|
Regex reg = new Regex(p);
|
|
jsonString = reg.Replace(jsonString, matchEvaluator);
|
|
DataContractJsonSerializer ser = new DataContractJsonSerializer(typeof(T[]));
|
|
MemoryStream ms = new MemoryStream(Encoding.UTF8.GetBytes(jsonString));
|
|
T[] arrayObj = (T[])ser.ReadObject(ms);
|
|
return arrayObj;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 将Json序列化的时间由/Date(1294499956278+0800)转为字符串
|
|
/// </summary>
|
|
private static string ConvertJsonDateToDateString(Match m)
|
|
{
|
|
string result = string.Empty;
|
|
DateTime dt = new DateTime(1970, 1, 1);
|
|
dt = dt.AddMilliseconds(long.Parse(m.Groups[1].Value));
|
|
dt = dt.ToLocalTime();
|
|
result = dt.ToString("yyyy-MM-dd HH:mm:ss");
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 将时间字符串转为Json时间
|
|
/// </summary>
|
|
private static string ConvertDateStringToJsonDate(Match m)
|
|
{
|
|
string result = string.Empty;
|
|
DateTime dt = DateTime.Parse(m.Groups[0].Value);
|
|
dt = dt.ToUniversalTime();
|
|
TimeSpan ts = dt - DateTime.Parse("1970-01-01");
|
|
result = string.Format("\\/Date({0}+0800)\\/", ts.TotalMilliseconds);
|
|
return result;
|
|
}
|
|
|
|
/// <summary>
|
|
/// List转成json
|
|
/// </summary>
|
|
/// <typeparam name="T"></typeparam>
|
|
/// <param name="list"></param>
|
|
/// <returns></returns>
|
|
public static string ListToJson<T>(IList<T> list)
|
|
{
|
|
object obj = list[0];
|
|
return ListToJson<T>(list, obj.GetType().Name);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 对象转换为Json字符串
|
|
/// </summary>
|
|
/// <param name="jsonObject">对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToJson(object jsonObject)
|
|
{
|
|
try
|
|
{
|
|
StringBuilder jsonString = new StringBuilder();
|
|
jsonString.Append("{");
|
|
PropertyInfo[] propertyInfo = jsonObject.GetType().GetProperties();
|
|
for (int i = 0; i < propertyInfo.Length; i++)
|
|
{
|
|
object objectValue = propertyInfo[i].GetGetMethod().Invoke(jsonObject, null);
|
|
if (objectValue == null)
|
|
{
|
|
continue;
|
|
}
|
|
StringBuilder value = new StringBuilder();
|
|
if (objectValue is DateTime || objectValue is Guid || objectValue is TimeSpan)
|
|
{
|
|
value.Append("\"" + objectValue.ToString() + "\"");
|
|
}
|
|
else if (objectValue is string)
|
|
{
|
|
value.Append("\"" + objectValue.ToString() + "\"");
|
|
}
|
|
else if (objectValue is IEnumerable)
|
|
{
|
|
value.Append(ToJson((IEnumerable)objectValue));
|
|
}
|
|
else
|
|
{
|
|
value.Append("\"" + objectValue.ToString() + "\"");
|
|
}
|
|
jsonString.Append("\"" + propertyInfo[i].Name + "\":" + value + ","); ;
|
|
}
|
|
return jsonString.ToString().TrimEnd(',') + "}";
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
throw ex;
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// 对象集合转换Json
|
|
/// </summary>
|
|
/// <param name="array">集合对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToJson(IEnumerable array)
|
|
{
|
|
string jsonString = "[";
|
|
foreach (object item in array)
|
|
{
|
|
jsonString += ToJson(item) + ",";
|
|
}
|
|
if (jsonString.Length > 1)
|
|
{
|
|
jsonString.Remove(jsonString.Length - 1, jsonString.Length);
|
|
}
|
|
else
|
|
{
|
|
jsonString = "[]";
|
|
}
|
|
return jsonString + "]";
|
|
}
|
|
|
|
/// <summary>
|
|
/// 普通集合转换Json
|
|
/// </summary>
|
|
/// <param name="array">集合对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToArrayString(IEnumerable array)
|
|
{
|
|
string jsonString = "[";
|
|
foreach (object item in array)
|
|
{
|
|
jsonString = ToJson(item.ToString()) + ",";
|
|
}
|
|
jsonString.Remove(jsonString.Length - 1, jsonString.Length);
|
|
return jsonString + "]";
|
|
}
|
|
|
|
/// <summary>
|
|
/// Datatable转换为Json
|
|
/// </summary>
|
|
/// <param name="table">Datatable对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToJson(DataTable dt)
|
|
{
|
|
StringBuilder jsonString = new StringBuilder();
|
|
jsonString.Append("[");
|
|
DataRowCollection drc = dt.Rows;
|
|
for (int i = 0; i < drc.Count; i++)
|
|
{
|
|
jsonString.Append("{");
|
|
for (int j = 0; j < dt.Columns.Count; j++)
|
|
{
|
|
string strKey = dt.Columns[j].ColumnName;
|
|
string strValue = drc[i][j].ToString();
|
|
Type type = dt.Columns[j].DataType;
|
|
jsonString.Append("\"" + strKey + "\":");
|
|
strValue = StringFormat(strValue, type);
|
|
if (j < dt.Columns.Count - 1)
|
|
{
|
|
jsonString.Append(strValue + ",");
|
|
}
|
|
else
|
|
{
|
|
jsonString.Append(strValue);
|
|
}
|
|
}
|
|
jsonString.Append("},");
|
|
}
|
|
jsonString.Remove(jsonString.Length - 1, 1);
|
|
jsonString.Append("]");
|
|
if (jsonString.Length == 1)
|
|
{
|
|
return "[]";
|
|
}
|
|
return jsonString.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// DataTable转成Json
|
|
/// </summary>
|
|
/// <param name="jsonName"></param>
|
|
/// <param name="dt"></param>
|
|
/// <returns></returns>
|
|
public static string ToJson(DataTable dt, string jsonName)
|
|
{
|
|
StringBuilder Json = new StringBuilder();
|
|
if (string.IsNullOrEmpty(jsonName))
|
|
jsonName = dt.TableName;
|
|
Json.Append("{\"" + jsonName + "\":[");
|
|
if (dt.Rows.Count > 0)
|
|
{
|
|
for (int i = 0; i < dt.Rows.Count; i++)
|
|
{
|
|
Json.Append("{");
|
|
for (int j = 0; j < dt.Columns.Count; j++)
|
|
{
|
|
Type type = dt.Rows[i][j].GetType();
|
|
Json.Append("\"" + dt.Columns[j].ColumnName.ToString() + "\":" + StringFormat(dt.Rows[i][j] is DBNull ? string.Empty : dt.Rows[i][j].ToString(), type));
|
|
if (j < dt.Columns.Count - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
Json.Append("}");
|
|
if (i < dt.Rows.Count - 1)
|
|
{
|
|
Json.Append(",");
|
|
}
|
|
}
|
|
}
|
|
Json.Append("]}");
|
|
return Json.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// DataReader转换为Json
|
|
/// </summary>
|
|
/// <param name="dataReader">DataReader对象</param>
|
|
/// <returns>Json字符串</returns>
|
|
public static string ToJson(IDataReader dataReader)
|
|
{
|
|
try
|
|
{
|
|
StringBuilder jsonString = new StringBuilder();
|
|
jsonString.Append("[");
|
|
|
|
while (dataReader.Read())
|
|
{
|
|
jsonString.Append("{");
|
|
for (int i = 0; i < dataReader.FieldCount; i++)
|
|
{
|
|
Type type = dataReader.GetFieldType(i);
|
|
string strKey = dataReader.GetName(i);
|
|
string strValue = dataReader[i].ToString();
|
|
jsonString.Append("\"" + strKey + "\":");
|
|
strValue = StringFormat(strValue, type);
|
|
if (i < dataReader.FieldCount - 1)
|
|
{
|
|
jsonString.Append(strValue + ",");
|
|
}
|
|
else
|
|
{
|
|
jsonString.Append(strValue);
|
|
}
|
|
}
|
|
jsonString.Append("},");
|
|
}
|
|
if (!dataReader.IsClosed)
|
|
{
|
|
dataReader.Close();
|
|
}
|
|
jsonString.Remove(jsonString.Length - 1, 1);
|
|
jsonString.Append("]");
|
|
if (jsonString.Length == 1)
|
|
{
|
|
return "[]";
|
|
}
|
|
return jsonString.ToString();
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
throw ex;
|
|
}
|
|
}
|
|
|
|
/// <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)
|
|
{
|
|
string jsonString = "{";
|
|
foreach (DataTable table in dataSet.Tables)
|
|
{
|
|
jsonString += "\"" + table.TableName + "\":" + ToJson(table) + ",";
|
|
}
|
|
jsonString = jsonString.TrimEnd(',');
|
|
return jsonString + "}";
|
|
}
|
|
/// <summary>
|
|
/// Json 字符串 转换为 DataTable数据集合
|
|
/// </summary>
|
|
/// <param name="json"></param>
|
|
/// <returns></returns>
|
|
public static DataTable ToDataTable(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 == 0)
|
|
{
|
|
result = dataTable;
|
|
return result;
|
|
}
|
|
//Columns
|
|
if (dataTable.Columns.Count == 0)
|
|
{
|
|
foreach (string current in dictionary.Keys)
|
|
{
|
|
dataTable.Columns.Add(current, dictionary[current].GetType());
|
|
}
|
|
}
|
|
//Rows
|
|
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>
|
|
/// 过滤特殊字符
|
|
/// </summary>
|
|
/// <param name="s"></param>
|
|
/// <returns></returns>
|
|
public static string String2Json(String s)
|
|
{
|
|
StringBuilder sb = new StringBuilder();
|
|
for (int i = 0; i < s.Length; i++)
|
|
{
|
|
char c = s.ToCharArray()[i];
|
|
switch (c)
|
|
{
|
|
case '\"':
|
|
sb.Append("\\\""); break;
|
|
case '\\':
|
|
sb.Append("\\\\"); break;
|
|
case '/':
|
|
sb.Append("-"); break;
|
|
case '\b':
|
|
sb.Append("\\b"); break;
|
|
case '\f':
|
|
sb.Append("\\f"); break;
|
|
case '\n':
|
|
sb.Append("\\n"); break;
|
|
case '\r':
|
|
sb.Append("\\r"); break;
|
|
case '\t':
|
|
sb.Append("\\t"); break;
|
|
case '\v':
|
|
sb.Append("\\v"); break;
|
|
case '\0':
|
|
sb.Append("\\0"); break;
|
|
default:
|
|
sb.Append(c); break;
|
|
}
|
|
}
|
|
return sb.ToString();
|
|
}
|
|
|
|
/// <summary>
|
|
/// 格式化字符型、日期型、布尔型
|
|
/// </summary>
|
|
/// <param name="str"></param>
|
|
/// <param name="type"></param>
|
|
/// <returns></returns>
|
|
private static string StringFormat(string str, Type type)
|
|
{
|
|
if (type != typeof(string) && string.IsNullOrEmpty(str))
|
|
{
|
|
str = "\"" + str + "\"";
|
|
}
|
|
else if (type == typeof(string))
|
|
{
|
|
str = String2Json(str);
|
|
str = "\"" + str + "\"";
|
|
}
|
|
else if (type == typeof(DateTime))
|
|
{
|
|
str = "\"" + str + "\"";
|
|
}
|
|
else if (type == typeof(bool))
|
|
{
|
|
str = str.ToLower();
|
|
}
|
|
else if (type == typeof(byte[]))
|
|
{
|
|
str = "\"" + str + "\"";
|
|
}
|
|
else if (type == typeof(Guid))
|
|
{
|
|
str = "\"" + str + "\"";
|
|
}
|
|
return str;
|
|
}
|
|
}
|
|
} |