using System;
using System.ComponentModel;
using System.Diagnostics;
using System.Drawing;
using System.IO;
using System.Net;
using System.Reflection;
using System.Runtime.Serialization.Formatters.Binary;
using System.Security.Cryptography;
using System.Text;
using System.Xml.Serialization;
namespace KLS.Common
{
/// <summary>
/// 对象的序列化和反序列化工具类
/// </summary>
public static class Tools
{
// 序列化：对象 -> Xml文本
public static string SerializeToXmlString(object obj)
{
StringBuilder buffer = new StringBuilder();
using (TextWriter writer = new StringWriter(buffer))
{
XmlSerializer xmlSrlzer = new XmlSerializer(obj.GetType());
xmlSrlzer.Serialize(writer, obj);
}
return buffer.ToString();
}
// 反序列化：Xml文本 -> 对象
public static TClass DeserializeFromXmlString<TClass>(string xml) where TClass : new()
{
try
{
using (StringReader reader = new StringReader(xml))
{
XmlSerializer xmlSrlzer = new XmlSerializer(typeof(TClass));
return (TClass)xmlSrlzer.Deserialize(reader);
}
}
catch (Exception ex)
{
ex.Source = ex.Source;
return new TClass();
}
}
// 序列化：对象 -> Xml文件
public static void SerializeToXmlFile(object obj, string file)
{
using (TextWriter writer = new StreamWriter(file))
{
XmlSerializer serializer = new XmlSerializer(obj.GetType());
serializer.Serialize(writer, obj);
}
}
// 反序列化：Xml文件 -> 对象
public static TClass DeserializeFromXmlFile<TClass>(string file) where TClass : new()
{
if (!File.Exists(file))
{
return new TClass();
}
try
{
using (FileStream reader = new FileStream(file, FileMode.Open))
{
XmlSerializer xmlSrlzer = new XmlSerializer(typeof(TClass));
return (TClass)xmlSrlzer.Deserialize(reader);
}
}
catch (Exception ex)
{
ex.Source = ex.Source;
return new TClass();
}
}
/// <summary>
/// DES对称加密解密：bytes
/// </summary>
/// <param name="encrypt">true: 加密；false: 解密</param>
public static byte[] EncryptDES(byte[] input, byte[] key, byte[] iv, bool encrypt = true)
{
DESCryptoServiceProvider des = new DESCryptoServiceProvider() { Key = key, IV = iv };
ICryptoTransform transform = encrypt ? des.CreateEncryptor() : des.CreateDecryptor();
using (MemoryStream ms = new MemoryStream())
{
CryptoStream cs = new CryptoStream(ms, transform, CryptoStreamMode.Write);
cs.Write(input, 0, input.Length);
cs.FlushFinalBlock();
cs.Close();
return ms.ToArray();
}
}
/// <summary>
/// DES对称加密解密：string <-> Base64String
/// </summary>
/// <param name="encrypt">true: 加密；false: 解密</param>
public static string EncryptDES(string text, byte[] key, byte[] iv, bool encrypt = true)
{
try
{
byte[] input = encrypt ? Encoding.UTF8.GetBytes(text) : Convert.FromBase64String(text);
byte[] output = EncryptDES(input, key, iv, encrypt);
string result = encrypt ? Convert.ToBase64String(output) : Encoding.UTF8.GetString(output);
return result;
}
catch (Exception ex)
{
ex.Source = ex.Source;
return "";
}
}
/// <summary>
/// DES对称加密解密：string <-> Base64String
/// </summary>
/// <param name="encrypt">true: 加密；false: 解密</param>
public static string EncryptDES(string text, string skey, string siv, bool encrypt = true)
{
try
{
byte[] key = Encoding.UTF8.GetBytes(skey.Substring(0, 8));
byte[] iv = Encoding.UTF8.GetBytes(siv.Substring(0, 8));
byte[] input = encrypt ? Encoding.UTF8.GetBytes(text) : Convert.FromBase64String(text);
byte[] output = EncryptDES(input, key, iv, encrypt);
string result = encrypt ? Convert.ToBase64String(output) : Encoding.UTF8.GetString(output);
return result;
}
catch (Exception ex)
{
ex.Source = ex.Source;
return "";
}
}
public static string EncryptMD5(string text)
{
MD5 md5 = MD5.Create();
byte[] bytes = md5.ComputeHash(Encoding.UTF8.GetBytes(text));
return Convert.ToBase64String(bytes);
}
/// <summary>
/// 设置对象属性的特性值，可用于动态修改PropertyGrid的Browsable特性
/// </summary>
public static void SetPropertyAttribute(object obj, string propertyName, Type attrType, string attrField, object value)
{
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(obj);
Attribute attr = props[propertyName].Attributes[attrType];
FieldInfo field = attrType.GetField(attrField, BindingFlags.Instance | BindingFlags.NonPublic);
field.SetValue(attr, value);
}
/// <summary>
/// 给属性设置DefaultValueAttribute配置的值
/// </summary>
public static void SetDefaultValueOfAttribute(object obj)
{
Type attrType = typeof(DefaultValueAttribute);
PropertyDescriptorCollection props = TypeDescriptor.GetProperties(obj);
foreach (PropertyDescriptor prop in props)
{
DefaultValueAttribute attr = (DefaultValueAttribute)prop.Attributes[attrType];
if (attr != null)
{
prop.SetValue(obj, attr.Value);
}
}
}
public static string GetEnumDescription(this Enum item)
{
string result = item.ToString();
FieldInfo field = item.GetType().GetField(result);
DescriptionAttribute description = Attribute.GetCustomAttribute(field, typeof(DescriptionAttribute)) as DescriptionAttribute;
if (description != null) result = description.Description;
return result;
}
public static void RunCmd(string cmd)
{
ProcessStartInfo startInfo = new ProcessStartInfo("cmd.exe");
startInfo.CreateNoWindow = true;
startInfo.UseShellExecute = false;
startInfo.RedirectStandardInput = true;
startInfo.RedirectStandardOutput = true; //win7上必须要设置，否则命令行没有成功执行；在win10上却可以不用设置
Process process = new Process() { StartInfo = startInfo };
process.Start();
process.StandardInput.WriteLine(cmd);
process.StandardInput.WriteLine("exit");
process.WaitForExit();
}
public static long LinearCalc(long x, long X1, long X2, long Y1, long Y2)
{
if (x <= X1) return Y1;
if (x >= X2) return Y2;
return ((int)x - X1) * (Y2 - Y1) / (X2 - X1) + Y1;
}
/// <summary>
/// HttpGET操作
/// </summary>
/// <param name="contentType">image/jpeg, application/json</param>
public static string HttpGetJson(string url)
{
string retString = string.Empty;
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
request.ContentType = "application/json";
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (Stream myResponseStream = response.GetResponseStream())
{
using (StreamReader streamReader = new StreamReader(myResponseStream))
{
retString = streamReader.ReadToEnd();
streamReader.Close();
}
myResponseStream.Close();
}
}
}
catch (Exception ex)
{
ex.Source = ex.Source;
}
return retString;
}
/// <summary>
/// HttpGET操作
/// </summary>
public static Image HttpGetImg(string url)
{
Image image = null;
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "GET";
request.ContentType = "image/jpeg";
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (Stream stream = response.GetResponseStream())
{
image = Image.FromStream(stream);
stream.Close();
}
}
}
catch (Exception ex)
{
ex.Source = ex.Source;
}
return image;
}
public static string HttpPost(string Url, string postDataStr, string contentType, out bool isOK)
{
string retString = string.Empty;
try
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Method = "POST";
request.ContentType = contentType;
request.Timeout = 600000;
request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
using (Stream requestStream = request.GetRequestStream())
{
using (StreamWriter streamWriter = new StreamWriter(requestStream))
{
streamWriter.Write(postDataStr);
streamWriter.Close();
}
}
using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
{
using (Stream responseStream = response.GetResponseStream())
{
using (StreamReader streamReader = new StreamReader(responseStream))
{
retString = streamReader.ReadToEnd();
streamReader.Close();
responseStream.Close();
}
}
}
isOK = true;
}
catch (Exception ex)
{
if (ex.GetType() == typeof(WebException))//捕获400错误
{
var response = ((WebException)ex).Response;
Stream responseStream = response.GetResponseStream();
StreamReader streamReader = new StreamReader(responseStream);
retString = streamReader.ReadToEnd();
streamReader.Close();
responseStream.Close();
}
else
{
retString = ex.ToString();
}
isOK = false;
}
return retString;
}
}
}
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