using DevExpress.Utils.DirectXPaint;
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using DevExpress.XtraEditors;
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using Gs.DevApp.ToolBox;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Configuration;
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using System.Data;
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using System.Drawing;
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using System.IO;
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using System.Linq;
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using System.Net.Http;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Forms;
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namespace Gs.DevApp.UserControl
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{
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public partial class UCUpFile : DevExpress.XtraEditors.XtraUserControl
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{
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public UCUpFile()
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{
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InitializeComponent();
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//上传附件
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btnUpSelect.Click += BtnUpSelect_Click;
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btnUp.Click += BtnUp_Click;
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}
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public string parentGuid
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{
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get;
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set;
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}
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/// <summary>
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/// 改变事件
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/// </summary>
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public event EventHandler UpChanged;
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#region 文件上传
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/// <summary>
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/// 选择上传文件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private void BtnUpSelect_Click(object sender, EventArgs e)
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{
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var openFileDialog = new OpenFileDialog();
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// 设置初始目录
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openFileDialog.InitialDirectory = "c:\\";
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// 设置文件过滤选项，如："文本文件 (*.txt)|*.txt|所有文件 (*.*)|*.*"
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openFileDialog.Filter = "文本文件 (*.txt)|*.txt|所有文件 (*.*)|*.*";
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// 设置标题
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openFileDialog.Title = "选择文件";
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// 显示对话框
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var result = openFileDialog.ShowDialog();
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// 确认用户没有取消操作
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if (result == DialogResult.OK)
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{
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// 获取选中的文件路径
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var filePath = openFileDialog.FileName;
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Console.WriteLine($"选中的文件: {filePath}");
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txtUpUrl.Text = filePath;
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}
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}
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/// <summary>
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/// 确定上传
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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private async void BtnUp_Click(object sender, EventArgs e)
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{
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var WebApiUrl = ConfigurationSettings.AppSettings.Get("WebApiUrl");
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var address = WebApiUrl + "MesFile/UploadFile";
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var filePath = txtUpUrl.Text.Trim();
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if (string.IsNullOrEmpty(filePath)) {
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Gs.DevApp.ToolBox.MsgHelper.ShowError("请选择你需要上传的文件！");
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return;
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}
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var apiUrl = address; // 替换为你的API地址
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await UploadFileAsync(apiUrl, filePath);
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if (UpChanged != null) UpChanged(this, e);
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}
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private async Task UploadFileAsync(string url, string filePath)
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{
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UcLoading _loading = new UcLoading();
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string _parentGuid = parentGuid;
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using (var httpClient = new HttpClient())
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using (var form = new MultipartFormDataContent())
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{
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httpClient.DefaultRequestHeaders.Add("token",
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UtilityHelper.GetBasicAuthTicket());
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using (var fs = File.OpenRead(filePath))
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using (var streamContent = new StreamContent(fs))
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{
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form.Add(streamContent, "file", _parentGuid + "~" + Path.GetFileName(filePath));
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var response = await httpClient.PostAsync(url, form);
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var responseString =
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await response.Content.ReadAsStringAsync();
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// MessageBox.Show(responseString);
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txtUpUrl.Text = "";
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}
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}
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_loading.Close();
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}
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#endregion
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}
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}
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