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using AForge.Controls;using ShenTun.ImageCollection.Common;using System;using System.Collections;using System.Collections.Generic;using System.ComponentModel;using System.Data;using System.Drawing;using System.IO;using System.Linq;using System.Reflection;using System.Security.Policy;using System.Text;using System.Threading.Tasks;using System.Windows.Forms;
namespace ShenTun.ImageCollection.AForgeCamera{ public partial class FrmImageList : Form { private RequestImageEdit requset; private bool isLoad = false; private string defalutImg = string.Empty; public FrmImageList(RequestImageEdit requestImage) { SetStyle(ControlStyles.AllPaintingInWmPaint, true); SetStyle(ControlStyles.UserPaint, true); SetStyle(ControlStyles.DoubleBuffer, true); InitializeComponent(); requset = requestImage; lvList.SmallImageList = smallList; } private void FrmImageList_Load(object sender, EventArgs e) { try { //string path = Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location);
//defalutImg = string.Format("{0}\\defalut.jpg", path);
//imageView1.loadImageAndInit(defalutImg, null);
InitCtrl(); DowloadFile(); if (this.lvList.Items.Count == 0) return; int index = this.lvList.SelectedIndices.Count > 0 ? this.lvList.SelectedIndices[0] : 0; RequestImage image = lvList.Items[index].Tag as RequestImage; ShowImage(image); } catch (Exception ex) { MessageBox.Show("载入图片异常：" + ex.Message); } } private void InitCtrl() { lvList.Items.Clear(); lvList.Columns.Clear(); //lvList.ShowGroups = false;
lvList.View = View.Details;//详细信息
#region 列标头信息 添加
lvList.Columns.Add("文件名", 300, HorizontalAlignment.Left); lvList.Columns.Add("修改日期", 300, HorizontalAlignment.Left); lvList.Columns.Add("类型", 80, HorizontalAlignment.Left); lvList.Columns.Add("大小", 60, HorizontalAlignment.Left); #endregion
} private void ShowImage(RequestImage requestImage) { if (requestImage == null) return;
SelectImageInfo imageInfo = new SelectImageInfo() { ImageSvr = requset.ImageSvr, PeisApiUrl = requset.PeisApiUrl, Token = requset.Token, Image = requestImage }; using (FileStream fileStream = File.Open(requestImage.localPathName, FileMode.Open, System.IO.FileAccess.Read, FileShare.ReadWrite)) { // 创建一个字节数组来保存FileStream的内容
byte[] fileBytes = new byte[fileStream.Length]; fileStream.Read(fileBytes, 0, fileBytes.Length);
// 使用字节数组创建MemoryStream
using (MemoryStream memoryStream = new MemoryStream(fileBytes)) { imageEdit1.LoadImageAndInit(memoryStream, imageInfo); } } } private void DowloadFile() { if (string.IsNullOrEmpty(requset.ImageSvr)) { MessageBox.Show("获取ImageSvr字段失败"); return; } if (requset.Images == null) { MessageBox.Show("获取Images字段失败"); return; } smallList.Images.Clear(); int index = 0;//定义索引
var objStr = requset.Images.ToString(); List<RequestImage> imgList=new List<RequestImage>(); if (objStr.Contains("[")) { var array = JsonHelper.DeserializeObject<RequestImage[]>(objStr); imgList=array.ToList(); } else { var obj = JsonHelper.DeserializeObject<RequestImage>(objStr); imgList.Add(obj); }
Uri uri = new Uri(requset.ImageSvr); progressBar1.Visible = true; foreach (RequestImage img in imgList) { if (!File.Exists(img.localPathName)) { int iPos=img.pictureFilename.LastIndexOf("/"); string localFilename= img.pictureFilename.Substring(iPos+1); Uri uri2 = new Uri(uri, img.pictureFilename); string url = uri2.ToString(); string dirPath= Path.GetDirectoryName(img.localPathName); try { if (!Directory.Exists(dirPath)) { Directory.CreateDirectory(dirPath); } if (string.IsNullOrEmpty(img.localPathName)) { string filePath = ImageHelper.GetLoaclPath(requset.ImagePath, requset.AsbitemName); string fileName = string.Format("{0}\\{1}", filePath, localFilename); img.localPathName = fileName; if (File.Exists(fileName)) { File.Delete(fileName);
} img.localPathName = fileName; } } catch { string filePath = ImageHelper.GetLoaclPath(requset.ImagePath, requset.AsbitemName); if (!Directory.Exists(filePath)) { Directory.CreateDirectory(filePath); } string fileName = string.Format("{0}\\{1}", filePath, localFilename); img.localPathName = fileName; if (File.Exists(fileName)) { File.Delete(fileName);
} img.localPathName = fileName; }
DownloadFile(url, img.localPathName,this.progressBar1); } } progressBar1.Visible = false; InitCtrl(); foreach (RequestImage imge in imgList) { using (FileStream image = new FileStream(imge.localPathName, FileMode.Open, System.IO.FileAccess.Read, FileShare.ReadWrite)) { Image img = Image.FromStream(image, false, true); string PthName = Path.GetFileNameWithoutExtension(imge.localPathName);//获取图片的名称
smallList.Images.Add(PthName, img);//小图标显示
//dic.Add(index, imge.localPathName);//index 图片的索引 fpath 图片的路径
ListViewItem li = new ListViewItem(); li.ImageIndex = index;//获取图片的索引
li.Text = PthName;//获取图片的文本信息
li.Tag = imge; li.SubItems.Add(File.GetCreationTime(imge.localPathName).ToString());//获取文件修改的日期
li.SubItems.Add(Path.GetExtension(imge.localPathName));//文件的类型
long length = new FileInfo(imge.localPathName).Length;//获取文件大小 字节
li.SubItems.Add((length / 1024).ToString());//KB
lvList.Items.Add(li);//添加到集合中显示
} index++; } //lvList.GridLines = true;//显示网格
isLoad = true; }
public void DownloadFile(string url, string filename, System.Windows.Forms.ProgressBar prog) { try { System.Net.HttpWebRequest Myrq = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url); System.Net.HttpWebResponse myrp = (System.Net.HttpWebResponse)Myrq.GetResponse(); long totalBytes = myrp.ContentLength; if (prog != null) { prog.Maximum = (int)totalBytes; } using (System.IO.Stream st = myrp.GetResponseStream()) { using (System.IO.Stream so = new System.IO.FileStream(filename, System.IO.FileMode.CreateNew)) { long totalDownloadedByte = 0; byte[] by = new byte[1024]; int osize = st.Read(by, 0, (int)by.Length); while (osize > 0) { totalDownloadedByte = osize + totalDownloadedByte; System.Windows.Forms.Application.DoEvents(); so.Write(by, 0, osize); if (prog != null) { prog.Value = (int)totalDownloadedByte; } osize = st.Read(by, 0, (int)by.Length); } } } } catch (System.Exception ex) { throw new Exception(ex.Message); } }
private void btnLoad_Click(object sender, EventArgs e) { try { btnLoad.Enabled = false; DowloadFile(); } catch (Exception ex) { progressBar1.Visible = false; MessageBox.Show("加载图片异常：" + ex.Message); } finally { btnLoad.Enabled = true; } }
private void btnPre_Click(object sender, EventArgs e) { try { if (this.lvList.Items.Count == 0) return; int index = this.lvList.SelectedIndices.Count > 0 ? this.lvList.SelectedIndices[0] - 1 : 0; if (index >= 0 && index < this.lvList.Items.Count) { this.lvList.SelectedIndices.Clear(); this.lvList.SelectedIndices.Add(index); this.lvList.Items[index].Focused = true; RequestImage image= lvList.Items[index].Tag as RequestImage; ShowImage(image); } } catch (Exception ex) { MessageBox.Show("加载上一张异常：" + ex.Message); } }
private void btnNext_Click(object sender, EventArgs e) { try { if (this.lvList.Items.Count == 0) return; int index = this.lvList.SelectedIndices.Count > 0 ? this.lvList.SelectedIndices[0] + 1 : 0; if (index >= 0 && index < this.lvList.Items.Count) { this.lvList.SelectedIndices.Clear(); this.lvList.SelectedIndices.Add(index); this.lvList.Items[index].Focused = true; RequestImage image = lvList.Items[index].Tag as RequestImage; ShowImage(image); } } catch (Exception ex) { MessageBox.Show("加载下一张异常：" + ex.Message); } }
private void lvList_DoubleClick(object sender, EventArgs e) { try { if (this.lvList.Items.Count == 0) return; int index = this.lvList.SelectedIndices.Count > 0 ? this.lvList.SelectedIndices[0] : 0; RequestImage image = lvList.Items[index].Tag as RequestImage; ShowImage(image); } catch (Exception ex) { MessageBox.Show("双击加载图片异常：" + ex.Message); } }
}}
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