C# HttpClient请求

/C# HttpClient请求已关闭评论

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using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Net.Http.Headers;
using System.Text;
using System.Threading.Tasks;
using System.Xml.Serialization;
 
namespace SXYC.Common
{
    public class HttpClientHelpClass
    {
        /// <summary>
        /// get请求
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static string GetResponse(string url, out string statusCode)
        {
            if (url.StartsWith("https"))
                System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            var httpClient = new HttpClient();
            httpClient.DefaultRequestHeaders.Accept.Add(
              new MediaTypeWithQualityHeaderValue("application/json"));
            HttpResponseMessage response = httpClient.GetAsync(url).Result;
            statusCode = response.StatusCode.ToString();
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
            return null;
        }
 
        public static string RestfulGet(string url)
        {
            HttpWebRequest request = WebRequest.Create(url) as HttpWebRequest;
            // Get response
            using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)
            {
                // Get the response stream
                StreamReader reader = new StreamReader(response.GetResponseStream());
                // Console application output
                return reader.ReadToEnd();
            }
        }
 
        public static T GetResponse<T>(string url)
           where T : class, new()
        {
            if (url.StartsWith("https"))
                System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            var httpClient = new HttpClient();
            httpClient.DefaultRequestHeaders.Accept.Add(
               new MediaTypeWithQualityHeaderValue("application/json"));
            HttpResponseMessage response = httpClient.GetAsync(url).Result;
 
            T result = default(T);
 
            if (response.IsSuccessStatusCode)
            {
                Task<string> t = response.Content.ReadAsStringAsync();
                string s = t.Result;
 
                result = JsonConvert.DeserializeObject<T>(s);
            }
            return result;
        }
 
        /// <summary>
        /// post请求
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData">post数据</param>
        /// <returns></returns>
        public static string PostResponse(string url, string postData, out string statusCode)
        {
            if (url.StartsWith("https"))
                System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            HttpContent httpContent = new StringContent(postData);
            httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            httpContent.Headers.ContentType.CharSet = "utf-8";
 
            HttpClient httpClient = new HttpClient();
            //httpClient..setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
 
            HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
 
            statusCode = response.StatusCode.ToString();
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
 
            return null;
        }
 
        /// <summary>
        /// 发起post请求
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="url">url</param>
        /// <param name="postData">post数据</param>
        /// <returns></returns>
        public static T PostResponse<T>(string url, string postData)
            where T : class, new()
        {
            if (url.StartsWith("https"))
                System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            HttpContent httpContent = new StringContent(postData);
            httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            HttpClient httpClient = new HttpClient();
 
            T result = default(T);
 
            HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
 
            if (response.IsSuccessStatusCode)
            {
                Task<string> t = response.Content.ReadAsStringAsync();
                string s = t.Result;
 
                result = JsonConvert.DeserializeObject<T>(s);
            }
            return result;
        }
 
 
        /// <summary>
        /// 反序列化Xml
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="xmlString"></param>
        /// <returns></returns>
        public static T XmlDeserialize<T>(string xmlString)
            where T : class, new()
        {
            try
            {
                XmlSerializer ser = new XmlSerializer(typeof(T));
                using (StringReader reader = new StringReader(xmlString))
                {
                    return (T)ser.Deserialize(reader);
                }
            }
            catch (Exception ex)
            {
                throw new Exception("XmlDeserialize发生异常：xmlString:" + xmlString + "异常信息：" + ex.Message);
            }
 
        }
 
        public static string PostResponse(string url, string postData, string token, string appId, string serviceURL, out string statusCode)
        {
            if (url.StartsWith("https"))
                System.Net.ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            HttpContent httpContent = new StringContent(postData);
            httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");
            httpContent.Headers.ContentType.CharSet = "utf-8";
 
            httpContent.Headers.Add("token", token);
            httpContent.Headers.Add("appId", appId);
            httpContent.Headers.Add("serviceURL", serviceURL);
 
 
            HttpClient httpClient = new HttpClient();
            //httpClient..setParameter(HttpMethodParams.HTTP_CONTENT_CHARSET, "utf-8");
 
            HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
 
            statusCode = response.StatusCode.ToString();
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
 
            return null;
        }
 
        /// <summary>
        /// 修改API
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData"></param>
        /// <returns></returns>
        public static string KongPatchResponse(string url, string postData)
        {
            var httpWebRequest = (HttpWebRequest)WebRequest.Create(url);
            httpWebRequest.ContentType = "application/x-www-form-urlencoded";
            httpWebRequest.Method = "PATCH";
 
            byte[] btBodys = Encoding.UTF8.GetBytes(postData);
            httpWebRequest.ContentLength = btBodys.Length;
            httpWebRequest.GetRequestStream().Write(btBodys, 0, btBodys.Length);
 
            HttpWebResponse httpWebResponse = (HttpWebResponse)httpWebRequest.GetResponse();
            var streamReader = new StreamReader(httpWebResponse.GetResponseStream());
            string responseContent = streamReader.ReadToEnd();
 
            httpWebResponse.Close();
            streamReader.Close();
            httpWebRequest.Abort();
            httpWebResponse.Close();
 
            return responseContent;
        }
 
        /// <summary>
        /// 创建API
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData"></param>
        /// <returns></returns>
        public static string KongAddResponse(string url, string postData)
        {
            if (url.StartsWith("https"))
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
            HttpContent httpContent = new StringContent(postData);
            httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded") { CharSet = "utf-8" };
            var httpClient = new HttpClient();
            HttpResponseMessage response = httpClient.PostAsync(url, httpContent).Result;
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
            return null;
        }
 
        /// <summary>
        /// 删除API
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static bool KongDeleteResponse(string url)
        {
            if (url.StartsWith("https"))
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            var httpClient = new HttpClient();
            HttpResponseMessage response = httpClient.DeleteAsync(url).Result;
            return response.IsSuccessStatusCode;
        }
 
        /// <summary>
        /// 修改或者更改API        
        /// </summary>
        /// <param name="url"></param>
        /// <param name="postData"></param>
        /// <returns></returns>
        public static string KongPutResponse(string url, string postData)
        {
            if (url.StartsWith("https"))
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            HttpContent httpContent = new StringContent(postData);
            httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/x-www-form-urlencoded") { CharSet = "utf-8" };
 
            var httpClient = new HttpClient();
            HttpResponseMessage response = httpClient.PutAsync(url, httpContent).Result;
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
            return null;
        }
 
        /// <summary>
        /// 检索API
        /// </summary>
        /// <param name="url"></param>
        /// <returns></returns>
        public static string KongSerchResponse(string url)
        {
            if (url.StartsWith("https"))
                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls;
 
            var httpClient = new HttpClient();
            HttpResponseMessage response = httpClient.GetAsync(url).Result;
            if (response.IsSuccessStatusCode)
            {
                string result = response.Content.ReadAsStringAsync().Result;
                return result;
            }
            return null;
        }
    }
}

from:https://www.cnblo […]

获取CPU、内存、磁盘、进程信息

/获取CPU、内存、磁盘、进程信息已关闭评论

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using System;
using System.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Management;
using System.Runtime.InteropServices;
using System.Text;
 
namespace ConsoleApp1
{
    ///  
    /// 系统信息类 - 获取CPU、内存、磁盘、进程信息
    ///  
    public class SystemInfo
    {
        private int m_ProcessorCount = 0;   //CPU个数
        private PerformanceCounter pcCpuLoad;   //CPU计数器
        private long m_PhysicalMemory = 0;   //物理内存
 
        private const int GW_HWNDFIRST = 0;
        private const int GW_HWNDNEXT = 2;
        private const int GWL_STYLE = (-16);
        private const int WS_VISIBLE = 268435456;
        private const int WS_BORDER = 8388608;
 
        #region AIP声明
        [DllImport("IpHlpApi.dll")]
        extern static public uint GetIfTable(byte[] pIfTable, ref uint pdwSize, bool bOrder);
 
        [DllImport("User32")]
        private extern static int GetWindow(int hWnd, int wCmd);
 
        [DllImport("User32")]
        private extern static int GetWindowLongA(int hWnd, int wIndx);
 
        [DllImport("user32.dll")]
        private static extern bool GetWindowText(int hWnd, StringBuilder title, int maxBufSize);
 
        [DllImport("user32", CharSet = CharSet.Auto)]
        private extern static int GetWindowTextLength(IntPtr hWnd);
        #endregion
 
        #region 构造函数
        ///  
        /// 构造函数，初始化计数器等
        ///  
        public SystemInfo()
        {
            //初始化CPU计数器
            pcCpuLoad = new PerformanceCounter("Processor", "% Processor Time", "_Total");
            pcCpuLoad.MachineName = ".";
            pcCpuLoad.NextValue();
 
            //CPU个数
            m_ProcessorCount = Environment.ProcessorCount;
 
            //获得物理内存
            ManagementClass mc = new ManagementClass("Win32_ComputerSystem");
            ManagementObjectCollection moc = mc.GetInstances();
            foreach (ManagementObject mo in moc)
            {
                if (mo["TotalPhysicalMemory"] != null)
                {
                    m_PhysicalMemory = long.Parse(mo["TotalPhysicalMemory"].ToString());
                }
            }
        }
        #endregion
 
        #region CPU个数
        ///  
        /// 获取CPU个数
        ///  
        public int ProcessorCount
        {
            get
            {
                return m_ProcessorCount;
            }
        }
        #endregion
 
        #region CPU占用率
        ///  
        /// 获取CPU占用率
        ///  
        public float CpuLoad
        {
            get
            {
                return pcCpuLoad.NextValue();
            }
        }
        #endregion
 
        #region 可用内存
        ///  
        /// 获取可用内存
        ///  
        public long MemoryAvailable
        {
            get
            {
                long availablebytes = 0;
                //ManagementObjectSearcher mos = new ManagementObjectSearcher("SELECT * FROM Win32_PerfRawData_PerfOS_Memory");
                //foreach (ManagementObject mo in mos.Get())
                //{
                //    availablebytes = long.Parse(mo["Availablebytes"].ToString());
                //}
                ManagementClass mos = new ManagementClass("Win32_OperatingSystem");
                foreach (ManagementObject mo in mos.GetInstances())
                {
                    if (mo["FreePhysicalMemory"] != null)
                    {
                        availablebytes = 1024 * long.Parse(mo["FreePhysicalMemory"].ToString());
                    }
                }
                return availablebytes;
            }
        }
        #endregion
 
        #region 物理内存
        ///  
        /// 获取物理内存
        ///  
        public long PhysicalMemory
        {
            get
            {
                return m_PhysicalMemory;
            }
        }
        #endregion
 
        #region 获得分区信息
        ///  
        /// 获取分区信息
        ///  
        public List<DiskInfo> GetLogicalDrives()
        {
            List<DiskInfo> drives = new List<DiskInfo>();
            ManagementClass diskClass = new ManagementClass("Win32_LogicalDisk");
            ManagementObjectCollection disks = diskClass.GetInstances();
            foreach (ManagementObject disk in disks)
            {
                // DriveType.Fixed 为固定磁盘(硬盘)
                if (int.Parse(disk["DriveType"].ToString()) == (int)DriveType.Fixed)
                {
                    drives.Add(new DiskInfo(disk["Name"].ToString(), long.Parse(disk["Size"].ToString()), long.Parse(disk["FreeSpace"].ToString())));
                }
            }
            return drives;
        }
        ///  
        /// 获取特定分区信息
        ///  
        /// 盘符
        public List<DiskInfo> GetLogicalDrives(char DriverID)
        {
            List<DiskInfo> drives = new List<DiskInfo>();
            WqlObjectQuery wmiquery = new WqlObjectQuery("SELECT * FROM Win32_LogicalDisk WHERE DeviceID = ’" + DriverID + ":’");
            ManagementObjectSearcher wmifind = new ManagementObjectSearcher(wmiquery);
            foreach (ManagementObject disk in wmifind.Get())
            {
                if (int.Parse(disk["DriveType"].ToString()) == (int)DriveType.Fixed)
                {
                    drives.Add(new DiskInfo(disk["Name"].ToString(), long.Parse(disk["Size"].ToString()), long.Parse(disk["FreeSpace"].ToString())));
                }
            }
            return drives;
        }
        #endregion
 
        #region 获得进程列表
        ///  
        /// 获得进程列表
        ///  
        public List<ProcessInfo> GetProcessInfo()
        {
            List<ProcessInfo> pInfo = new List<ProcessInfo>();
            Process[] processes = Process.GetProcesses();
            foreach (Process instance in processes)
            {
                try
                {
                    pInfo.Add(new ProcessInfo(instance.Id,
                        instance.ProcessName,
                        instance.TotalProcessorTime.TotalMilliseconds,
                        instance.WorkingSet64,
                        instance.MainModule.FileName));
                }
                catch { }
            }
            return pInfo;
        }
        ///  
        /// 获得特定进程信息
        ///  
        /// 进程名称
        public List<ProcessInfo> GetProcessInfo(string ProcessName)
        {
            List<ProcessInfo> pInfo = new List<ProcessInfo>();
            Process[] processes = Process.GetProcessesByName(ProcessName);
            foreach (Process instance in processes)
            {
                try
                {
                    pInfo.Add(new ProcessInfo(instance.Id,
                        instance.ProcessName,
                        instance.TotalProcessorTime.TotalMilliseconds,
                        instance.WorkingSet64,
                        instance.MainModule.FileName));
                }
                catch { }
            }
            return pInfo;
        }
        #endregion
 
        #region 结束指定进程
        ///  
        /// 结束指定进程
        ///  
        /// 进程的 Process ID
        public static void EndProcess(int pid)
        {
            try
            {
                Process process = Process.GetProcessById(pid);
                process.Kill();
            }
            catch { }
        }
        #endregion
 
        #region 查找所有应用程序标题
        ///  
        /// 查找所有应用程序标题
        ///  
        /// 应用程序标题范型
        public static List<string> FindAllApps(int Handle)
        {
            List<string> Apps = new List<string>();
 
            int hwCurr;
            hwCurr = GetWindow(Handle, GW_HWNDFIRST);
 
            while (hwCurr > 0)
            {
                int IsTask = (WS_VISIBLE | WS_BORDER);
                int lngStyle = GetWindowLongA(hwCurr, GWL_STYLE);
                bool TaskWindow = ((lngStyle & IsTask) == IsTask);
                if (TaskWindow)
                {
                    int length = GetWindowTextLength(new IntPtr(hwCurr));
                    StringBuilder sb = new StringBuilder(2 * length + 1);
                    GetWindowText(hwCurr, sb, sb.Capacity);
                    string strTitle = sb.ToString();
                    if (!string.IsNullOrEmpty(strTitle))
                    {
                        Apps.Add(strTitle);
                    }
                }
                hwCurr = GetWindow(hwCurr, GW_HWNDNEXT);
            }
 
            return Apps;
        }
        #endregion
    }
 
    public class DiskInfo
    {
        public DiskInfo() { }
 
        public DiskInfo(string name, long size, long freeSpace)
        {
            this.Name = name;
            this.Size = size;
            this.FreeSpace = freeSpace;
        }
 
        public string Name { get; set; }
 
        public long Size { get; set; }
 
        public long FreeSpace { get; set; }
    }
 
    public class ProcessInfo
    {
        public ProcessInfo() { }
 
        public ProcessInfo(int id, string processName, double totalMilliseconds, long workingSet64, string fileName)
        {
            Id = id;
            ProcessName = processName;
            TotalMilliseconds = totalMilliseconds;
            WorkingSet64 = workingSet64;
            FileName = fileName;
        }
 
        public int Id { get; set; }
 
        public string ProcessName { get; set; }
 
        public double TotalMilliseconds { get; set; }
 
        public long WorkingSet64 { get; set; }
 
        public string FileName { get; set; }
    }
}

  参考： https://www […]

C#读取Windows日志

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管理–>事件查看器 可以查看【应用程序】、【安全】、【系统】等分类的日志 [crayon-5 […]

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DES 1977年1月，美国政府颁布：采纳IBM公司设计的方案作为非机密数据的正式数据加密标准（DES Dat […]

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/C#实现通过Gzip来对数据进行压缩和解压已关闭评论

C#实现通过Gzip来对数据进行压缩和解压

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internal static byte[] Compress(byte[] data)
{
    using (var compressedStream = new MemoryStream())
    {
        using (var zipStream = new GZipStream(compressedStream, CompressionMode.Compress))
        {
            zipStream.Write(data, 0, data.Length);
        }
        
        return compressedStream.ToArray();
    }
}
 
internal static byte[] Decompress(byte[] data)
{
    using (var compressedStream = new MemoryStream(data))
    {
        using (var zipStream = new GZipStream(compressedStream, CompressionMode.Decompress))
        {
            using (var resultStream = new MemoryStream())
            {
                zipStream.CopyTo(resultStream);
                return resultStream.ToArray();
            }
        }
    }
}

[…]

C＃枚举中使用Flags特性

/C＃枚举中使用Flags特性已关闭评论

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