利用c#查看出某个其他qq的头像与自己头像的相似度，先看效果图
这里我是将左边的头像作为比对的基本图，我目前做的是一图比对一图，因为理解好了一对一，一对多也不难，我们可以得出相似的像素，然后大于多少百分比就是同一图的改变了，以下是完整代码
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Diagnostics;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Imaging;
using System.IO;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
namespace WindowsFormsApp1
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}
public static int width; //图片宽
public static int height;//图片高
public static string mypicurl;//我的图片地址
public static string picurl;//图片地址
private void Form1_Load(object sender, EventArgs e)
{
this.MyPicture.SizeMode = PictureBoxSizeMode.StretchImage;
this.MyPicture.BorderStyle = BorderStyle.FixedSingle;
this.OtherPicture.SizeMode = PictureBoxSizeMode.StretchImage;
this.OtherPicture.BorderStyle = BorderStyle.FixedSingle;
this.explain.Text = "操作步骤：左边输入自己qq号查看显示，右边输入别人qq号，点击查看，点击验证，得出结果。";
}
private void button2_Click(object sender, EventArgs e)
{
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
int countSame = 0;
int countDifferent = 0;
Image img = this.MyPicture.Image;
Bitmap bitmapSource = new Bitmap(img);
//Bitmap bitmapSource = BytesToBitmap(ResizeImage(mypicurl));
width = bitmapSource.Width;
height = bitmapSource.Height;
Bitmap bitmapTarget = BytesToBitmap(ResizeImage(picurl));
//照片尺寸必须一样
for (int i = 0; i < bitmapTarget.Width; i++)
{
for (int j = 0; j < bitmapTarget.Height; j++)
{
if (bitmapSource.GetPixel(i, j).Equals(bitmapTarget.GetPixel(i, j)))
{
countSame++;
}
else
{
countDifferent++;
}
}
}
stopwatch.Stop();
this.result.Text = "相同像素个数：" + countSame + "，不同像素个数：" + countDifferent + "用时：" + stopwatch.ElapsedMilliseconds + " 毫秒";
}
//byte[] 转图片
public static Bitmap BytesToBitmap(byte[] Bytes)
{
MemoryStream stream = null;
try
{
stream = new MemoryStream(Bytes);
return new Bitmap((Image)new Bitmap(stream));
}
catch (ArgumentNullException ex)
{
throw ex;
}
catch (ArgumentException ex)
{
throw ex;
}
finally
{
stream.Close();
}
}
/// <summary>
/// 图片大小裁剪
/// </summary>
/// <param name="filePath"></param>
/// <returns></returns>
public static byte[] ResizeImage(string filePath)
{
WebRequest request = (WebRequest)HttpWebRequest.Create(filePath);
WebResponse response = request.GetResponse();
using (Stream stream = response.GetResponseStream())
{
Bitmap bm = (Bitmap)Image.FromStream(stream);
bm = GetThumbnail(bm, height, width);
MemoryStream ms = new MemoryStream();
bm.Save(ms, System.Drawing.Imaging.ImageFormat.Bmp);
byte[] bytes = ms.GetBuffer(); //byte[] bytes= ms.ToArray(); 这两句都可以，至于区别么，下面有解释
ms.Close();
return bytes;
}
}
/// <summary>
/// 修改图片的大小
/// </summary>
/// <param name="b"></param>
/// <param name="destHeight"></param>
/// <param name="destWidth"></param>
/// <returns></returns>
public static Bitmap GetThumbnail(Bitmap b, int destHeight, int destWidth)
{
System.Drawing.Image imgSource = b;
System.Drawing.Imaging.ImageFormat thisFormat = imgSource.RawFormat;
int sW = 0, sH = 0;
// 按比例缩放
int sWidth = imgSource.Width;
int sHeight = imgSource.Height;
if (sHeight > destHeight || sWidth > destWidth)
{
if ((sWidth * destHeight) > (sHeight * destWidth))
{
sW = destWidth;
sH = (destWidth * sHeight) / sWidth;
}
else
{
sH = destHeight;
sW = (sWidth * destHeight) / sHeight;
}
}
else
{
sW = sWidth;
sH = sHeight;
}
Bitmap outBmp = new Bitmap(destWidth, destHeight);
Graphics g = Graphics.FromImage(outBmp);
g.Clear(Color.Transparent);
// 设置画布的描绘质量
g.CompositingQuality = CompositingQuality.HighQuality;
g.SmoothingMode = SmoothingMode.HighQuality;
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(imgSource, new Rectangle((destWidth - sW) / 2, (destHeight - sH) / 2, sW, sH), 0, 0, imgSource.Width, imgSource.Height, GraphicsUnit.Pixel);
g.Dispose();
// 以下代码为保存图片时，设置压缩质量
EncoderParameters encoderParams = new EncoderParameters();
long[] quality = new long[1];
quality[0] = 100;
EncoderParameter encoderParam = new EncoderParameter(System.Drawing.Imaging.Encoder.Quality, quality);
encoderParams.Param[0] = encoderParam;
imgSource.Dispose();
return outBmp;
}
private void button3_Click(object sender, EventArgs e)
{
if (this.OtherQQ.Text == "")
{
MessageBox.Show("请输入qq号！");
return;
}
HttpClient httpClient = new HttpClient();
string url = "https://api.usuuu.com/qq/" + this.OtherQQ.Text;
var rsp = httpClient.GetAsync(url).Result;
var str = rsp.Content.ReadAsStringAsync().Result;
JObject jo = (JObject)JsonConvert.DeserializeObject(str);
if ((string)jo["code"] == "200")
{
Image pic = Image.FromStream(WebRequest.Create((string)jo["data"]["avatar"]).GetResponse().GetResponseStream());
this.OtherPicture.Image = pic;
picurl = (string)jo["data"]["avatar"];
}
else
{
MessageBox.Show("请输入正确的qq号！");
}
}
private void button4_Click(object sender, EventArgs e)
{
if (this.MyQQ.Text == "")
{
MessageBox.Show("请输入qq号！");
return;
}
HttpClient httpClient = new HttpClient();
string url = "https://api.usuuu.com/qq/" + this.MyQQ.Text;
var rsp = httpClient.GetAsync(url).Result;
var str = rsp.Content.ReadAsStringAsync().Result;
JObject jo = (JObject)JsonConvert.DeserializeObject(str);
if ((string)jo["code"] == "200")
{
Image pic = Image.FromStream(WebRequest.Create((string)jo["data"]["avatar"]).GetResponse().GetResponseStream());
this.MyPicture.Image = pic;
mypicurl = (string)jo["data"]["avatar"];
}
else
{
MessageBox.Show("请输入正确的qq号！");
}
}
}
}
