取得页面中所有图片_vue html获取里面的img-优快云博客

GetImage.aspx

<%@ Page Language="C#" AutoEventWireup="true" CodeFile="GetImage.aspx.cs" Inherits="GetImage" %>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">

<title>Get image path</title>

function ChangeModel(radio)

{

if(radio.id == "RadioUrl")

{

document.getElementById('trUrl').style.display = "block";

document.getElementById('trHtml').style.display = "none";

document.getElementById('tbIsUrl').value = "true";

}

if(radio.id == "RadioHtml")

{

document.getElementById('trUrl').style.display = "none";

document.getElementById('trHtml').style.display = "block";

document.getElementById('tbIsUrl').value = "";

}

//Maintain the "model" when postback

window.onload = function()

{

if(document.getElementById('tbIsUrl').value != "")

{

document.getElementById('RadioUrl').checked = true;

document.getElementById('trUrl').style.display = "block";

document.getElementById('trHtml').style.display = "none";

}

if(document.getElementById('tdPathList').innerHTML==" ")

{

document.getElementById('trPathListTitle').style.display = "none";

document.getElementById('trPathListContent').style.display = "none";

}

function FillTextFromClipboard(textbox)

{

textbox.value=""; //clear Old

if(document.getElementById('CheckboxIsFromClip').checked)

{

textbox.value = window.clipboardData.getData('text');

}

function GetList()

{

var saveList=document.getElementsByName('isSave');

for(i=0;i<saveList.length;i++)

{

if(saveList[i].checked == true)

{

document.getElementById('tbHref4Save').value += saveList[i].id;

document.getElementById('tbHref4Save').value += "+";

}

document.getElementById('bnExeSave').click();

}

</script>

</head>

<body>

<div>

<tr>

<td >

Model:

</td>

<input id="CheckboxIsFromClip" type="checkbox" /><strong>From ClipBoard</strong>

<asp:CheckBox ID="cbIsThumb" runat="server" EnableViewState="False" Style="position: relative"

Text="IsThumb" /></td>

</tr>

<td>

URL:

</td>

<td>

<asp:TextBox runat="server" ID="tbUrl" Width="90%" onfocus="FillTextFromClipboard(this)"></asp:TextBox>

</td>

</tr>

Html source:

</td>

<td >

<asp:TextBox ID="tbHtmlSource" runat="server" TextMode="MultiLine" Width="100%" Height="300px" onfocus="FillTextFromClipboard(this)"></asp:TextBox>

</td>

</tr>

<tr>

<td>

Type:

</td>

<td>

</td>

</tr>

<tr>

<asp:Button ID="bnGetPathList" runat="server" Text="Get" OnClick="bnGetPathList_Click" /></td>

</tr>

Image path list:

</td>

</td>

</tr>

</td>

</tr>

</table>

</div>

<asp:Button ID="bnExeSave" runat="server" OnClick="bnExeSave_Click" Style="visibility:hidden" Text="Save" />

</form>

</body>

</html>

GetImage.aspx.cs:

using System;

using System.Data;

using System.Configuration;

using System.Collections;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Text.RegularExpressions;

using System.Text;

using System.IO;

using System.Net;

public partial class GetImage : System.Web.UI.Page

{

protected void Page_Load(object sender, EventArgs e)

{

if (!IsPostBack)

{

}

protected void bnGetPathList_Click(object sender, EventArgs e)

{

//Get type

ImageTypes type = new ImageTypes();

if (RadioJpg.Checked)

type = ImageTypes.Jpg;

if (RadioBmp.Checked)

type = ImageTypes.Bmp;

if (RadioGif.Checked)

type = ImageTypes.Gif;

if (RadioUrl.Checked)

{

string url = tbUrl.Text;

if (url.Trim() != string.Empty)

{

// check "http://"

if (url.Substring(0, 4) != "http")

{

url = "http://" + url;

}

try

{

string htmlCode = string.Empty;

HttpWebRequest htmlCodeRequest = (HttpWebRequest)WebRequest.Create(url);

WebResponse htmlCodeResponse = htmlCodeRequest.GetResponse();

StreamReader htmlReader = new StreamReader(htmlCodeResponse.GetResponseStream());

htmlCode = htmlReader.ReadToEnd();

htmlReader.Close();

CGetImage.FillHrefToTD(htmlCode, type, tdPathList, cbIsThumb.Checked);

}

catch

{

// do nothing

}

else // From html

{

if (tbHtmlSource.Text.Trim() != string.Empty)

{

CGetImage.FillHrefToTD(tbHtmlSource.Text, type, tdPathList, cbIsThumb.Checked);

}

protected void bnExeSave_Click(object sender, EventArgs e)

{

string[] hrefs = tbHref4Save.Value.Trim().Split('+');

// DirectoryInfo dirInfo = new DirectoryInfo(Server.MapPath("images"));

for (int imageCounter = 0; imageCounter < hrefs.Length; imageCounter++)

{

if (hrefs[imageCounter].Trim() == string.Empty)

{

continue;

}

try

{

string imageName = hrefs[imageCounter].Substring(hrefs[imageCounter].LastIndexOf('/') + 1);

WebClient wc = new WebClient();

string savePath = Server.MapPath("images/" + imageName);

//string savePath = newDir + imageName;

string url = hrefs[imageCounter];

if (url.Substring(0, 1) == "/")

url = tbUrl.Text + url;

if (url.Substring(0, 4) != "http")

{

url = "http://" + url;

}

wc.DownloadFile(url, savePath);

}

catch(Exception ex)

{

Response.Write(ex.Message);

}

App_code/CGetImage.cs

using System;

using System.Data;

using System.Configuration;

using System.Web;

using System.Web.Security;

using System.Web.UI;

using System.Web.UI.WebControls;

using System.Web.UI.WebControls.WebParts;

using System.Web.UI.HtmlControls;

using System.Text;

using System.IO;

using System.Net;

using System.Text.RegularExpressions;

/// <summary>

/// Summary description for CGetImage

/// </summary>

public class CGetImage

{

public CGetImage()

{

// TODO: Add constructor logic here

}

/// <summary>

/// Fill href to the "result cell"

/// </summary>

/// <param name="sourceHtml">html code</param>

/// <param name="imageType">image type</param>

/// <param name="toTD">Cell</param>

public static void FillHrefToTD(string sourceHtml, ImageTypes imageType,HtmlTableCell toTD,bool isThumb)

{

toTD.InnerHtml = string.Empty;

string regStr = string.Empty;

switch (imageType)

{

case ImageTypes.Jpg:

regStr = @"http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?.jpg";

break;

case ImageTypes.Bmp:

regStr = @"http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?.bmp";

break;

case ImageTypes.Gif:

regStr = @"http://([w-]+.)+[w-]+(/[w- ./?%&=]*)?.gif";

break;

}

Regex re = new Regex(regStr, RegexOptions.IgnoreCase | RegexOptions.Multiline);

MatchCollection mc = re.Matches(sourceHtml);

HtmlTable tableImageList = new HtmlTable();

foreach (Match ma in mc)

{

try

{

string imageName = ma.Value.Substring(ma.Value.LastIndexOf("/") + 1);

string imageLinker = string.Empty;

if (isThumb)

imageLinker = "<img width='80px' src="" + ma.Value + "">";

else

imageLinker = "<a href="" + ma.Value + "">" + ma.Value + "</a>";

HtmlTableRow htr = new HtmlTableRow();

HtmlTableCell htcImage = new HtmlTableCell();

htcImage.InnerHtml = imageLinker;

HtmlTableCell htcCheckBox = new HtmlTableCell();

htcCheckBox.InnerHtml = "<input type='checkbox' name='isSave' checked='true' id='" + ma.Value + "'></input>";

htr.Cells.Add(htcImage);

htr.Cells.Add(htcCheckBox);

tableImageList.Rows.Add(htr);

}

catch

{

}

}// end foreach

toTD.Controls.Add(tableImageList);

}

/// <summary>

/// Image Types

/// </summary>

public enum ImageTypes

{

Jpg,

Bmp,

Gif,

}