FormWexinEvent.cs

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using AppManager.Config;
using AppManager.Pojo;
using AppManager.Utils;
using Newtonsoft.Json;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.IO;
using System.Net;
using System.Windows.Forms;

namespace AppManager {
    partial class Form1 {
        private void SendButton_Click(object sender, EventArgs e) {
            string appId = AppIdTextBox.Text;
            string secret = SecretTextBox.Text;
            if (string.IsNullOrEmpty(TokenUrlTextBox.Text)) {
                MessageBox.Show("Token Url不能为空！");
                return;
            }
            if (string.IsNullOrEmpty(CodeUrlTextBox.Text)) {
                MessageBox.Show("Code Url不能为空！");
                return;
            }
            string token = getToken(appId, secret);
            Dictionary<string, object> dic = new Dictionary<string, object>();
            string key1 = ParamKey1TextBox.Text;
            string key2 = ParamKey2TextBox.Text;
            string key3 = ParamKey3TextBox.Text;
            string key4 = ParamKey4TextBox.Text;
            if (!string.IsNullOrEmpty(key1)) {
                dic.Add(key1, Str2Object(ParamValue1TextBox.Text, ParamType1ComboBox.Text));
            }
            if (!string.IsNullOrEmpty(key2)) {
                dic.Add(key2, Str2Object(ParamValue2TextBox.Text, ParamType2ComboBox.Text));
            }
            if (!string.IsNullOrEmpty(key3)) {
                dic.Add(key3, Str2Object(ParamValue3TextBox.Text, ParamType3ComboBox.Text));
            }
            if (!string.IsNullOrEmpty(key4)) {
                dic.Add(key4, Str2Object(ParamValue4TextBox.Text, ParamType4ComboBox.Text));
            }
            string url = $"{CodeUrlTextBox.Text}?access_token={token}";
            HttpWebResponse response = HttpUtils.GetPostResponse(url, JsonConvert.SerializeObject(dic));
            if (HttpStatusCode.OK == response.StatusCode) {
                using (Stream codeImageStream = response.GetResponseStream()) {
                    image = Image.FromStream(codeImageStream);
                    int width = CodePictureBox.Width;
                    int height = CodePictureBox.Height;
                    // 创建新的Bitmap对象，用于保存缩放后的图片  
                    Bitmap bitmap = new Bitmap(width, height);
                    using (Graphics g = Graphics.FromImage(bitmap)) {
                        // 设置高质量抗锯齿  
                        g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
                        g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.HighQualityBicubic;
                        g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;

                        // 缩放图片并绘制到Bitmap对象中  
                        g.DrawImage(image, 0, 0, width, height);
                    }