1.先用html的原始标签来完成上传图片功能，后台使用asp.net.
2.再用android的okhttp来代替html。
3.图片格式固定为png。支持多种，稍微修改下代码。测试通过。
html：upload/aa.html
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<title>HTML控件配合ASP。NET 上传</title>
</head>
<body>
<form name="uploadForm" method="post" enctype="multipart/form-data" action="/upload/Default.aspx">
<input id="name" name="name" style="220px;" />
<input type="file" id="imgFile" name="imgFile" style="220px;" />
<input type="file" id="imgFile2" name="imgFile2" style="220px;" />
<input type="file" id="imgFile3" name="imgFile3" style="220px;" />
<input type="submit" value="submit" />
</form>
</body>
</html>
asp.net 的后端:upload/Default.aspx
<%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Default.aspx.cs" Inherits="upload._Default" %> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head runat="server"> <title></title> </head> <body> <form id="form1" runat="server"> <div> <asp:Label ID="Label1" runat="server" Text="Label"></asp:Label> </div> </form> </body> </html>
using System; using System.Collections.Generic; using System.Web; using System.Web.UI; using System.Web.UI.WebControls; namespace upload { public partial class _Default : System.Web.UI.Page { protected void Page_Load(object sender, EventArgs e) { if(!IsPostBack) { string name=this.Request.Form.Get("name"); string path = Server.MapPath(""); this.Label1.Text = "name:" + name + ".path:" + path; if (this.Request.Files.Count > 0) { for (int i = 0; i < this.Request.Files.Count;i++ ) { HttpPostedFile file = this.Request.Files.Get(i); string pathstr = path + "/aaupload"+System.DateTime.Now.ToFileTime().ToString() +"index"+ i.ToString()+ ".png"; try { file.SaveAs(pathstr); } catch { this.Label1.Text ="error:"+pathstr; } } } } } } }
android 客户端: xxapk
private void myUploadPic() { //1.检测到未上传的图片。2.利用okhttp的http协议上传图片。 SharedPreferences share= getSharedPreferences(SHARE_FILENAME, MODE_PRIVATE); String strpic1= share.getString(SHARE_FILE1,"" ); final File file=new File(strpic1); Thread thread=new Thread(new Runnable() { @Override public void run() { if(file!=null && file.exists()) { LSOKHttp.postFile("http://192.168.0.106/upload/Default.aspx", null, file); } } }); thread.start(); }
public static void postFile(String url, Callback callbackHandler, File file) { //FormBody.Builder formbody=new FormBody.Builder(); // .post(formbody.build()) MultipartBody.Builder multipartBodyBulider=new MultipartBody.Builder(); multipartBodyBulider.setType(MultipartBody.FORM); RequestBody requestBody=RequestBody.create(MediaType.parse("image/png"), file); multipartBodyBulider.addFormDataPart("file",file.getName(),requestBody); MultipartBody multipartBody = multipartBodyBulider.build(); Request request = new Request.Builder() .url(url) .post(multipartBody) .build(); try { client.newCall(request).execute(); } catch (Exception e) { LSLog.Log_Exception(e); } }