我正在为我的项目创建一个音频文件上传系统。在这种情况下,我使用的是angularjs应用程序,我也使用html。我使用谷歌应用程序引擎编写了我的应用程序的后端。在这种情况下,我发现的问题是我跟着谷歌blobstore api,并使用jsp页面上传文件。但我想通过和html页面来完成它。问题是在jsp中有一个java代码,它在blobstore api中调用createUploadUrl方法。但在html页面中,我无法做到。我试图用以下方式使用angularjs来完成它。如何使用angularjs将文件上传到blobstore?
<div class="container">
\t <h1>Audio Upload</h1>
\t <form method="post" enctype="multipart/form-data">
\t \t <input type="text" name="foo" ng-model="audio.foo"/>
\t \t <input type="file" name="myFile" ng-model="audio.myFile"/>
\t \t <input type="submit" value="Submit" ng-click="upload(audio)"/>
\t </form>
</div>
这里是html页面的代码。
而以下是html页面的控制器。
function AudioUpload($http,$filter, $timeout, $scope, $location, $rootScope) {
\t console.log("=========================");
\t console.log("Audio Upload Controller...");
\t $scope.upload = function(audio) {
\t \t $('.line-loader').show();
\t \t $http({
\t \t \t url : '/upload',
\t \t \t method : "POST",
\t \t \t //data : $.param(audio),
\t \t \t headers : {
\t \t \t \t 'Content-Type' : 'audio/mp3; charset=UTF-8'
\t \t \t }
\t \t }).success(function(data) {
\t \t \t console.log(audio.myFile+"Audio Successfully Uploaded...")
\t \t })
\t }
}
这里是正在使用得到这个任务完成
Servlet的发球Servlet的
package xxx.xxxx.fileupload;
import java.io.IOException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.appengine.api.blobstore.BlobKey;
import com.google.appengine.api.blobstore.BlobstoreService;
import com.google.appengine.api.blobstore.BlobstoreServiceFactory;
public class Serve extends HttpServlet {
private BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
@Override
public void doGet(HttpServletRequest req, HttpServletResponse res)
throws IOException {
BlobKey blobKey = new BlobKey(req.getParameter("blob-key"));
blobstoreService.serve(blobKey, res);
}
}
上传的Servlet
package xxx.xxxxx.fileupload;
import java.io.IOException;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.google.appengine.api.blobstore.BlobKey;
import com.google.appengine.api.blobstore.BlobstoreService;
import com.google.appengine.api.blobstore.BlobstoreServiceFactory;
public class Upload extends HttpServlet {
\t private BlobstoreService blobstoreService = BlobstoreServiceFactory
\t \t \t .getBlobstoreService();
\t @Override
\t public void doPost(HttpServletRequest req, HttpServletResponse res)
\t \t \t throws ServletException, IOException {
\t \t
\t \t Map<String, List<BlobKey>> blobs = blobstoreService.getUploads(req);
\t \t List<BlobKey> blobKeys = blobs.get("myFile");
\t \t if (blobKeys == null || blobKeys.isEmpty()) {
\t \t \t res.sendRedirect("/");
\t \t } else {
\t \t \t res.sendRedirect("/serve?blob-key="
\t \t \t \t \t + blobKeys.get(0).getKeyString());
\t \t }
\t }
}
我需要使用HTML页面上传的文件,这是在index.jsp页面与这些servlet正常工作的代码。
的index.jsp
<%@ page import="com.google.appengine.api.blobstore.BlobstoreServiceFactory" %>
<%@ page import="com.google.appengine.api.blobstore.BlobstoreService" %>
<%
BlobstoreService blobstoreService = BlobstoreServiceFactory.getBlobstoreService();
%>
<html>
<head>
<meta http-equiv="Content-Type" content="audio/mp3; charset=ISO-8859-1">
<title>Upload Test</title>
</head>
<body>
<form action="<%= blobstoreService.createUploadUrl("/upload1") %>" method="post" enctype="multipart/form-data">
<input type="text" name="foo">
<input type="file" name="myFile">
<input type="submit" value="Submit">
</form>
</body>
</html>
任何人可以帮我用angularjs和HTML,而不使用JSP来完成我的代码。谢谢。
感谢很多的代码,我是新来的角,我真的很感谢你的帮助。我不能把一个积极的反馈意见系统不会让我因为我是新的。并且非常感谢。 :) :) :) – 2015-04-06 05:25:35
我了解有关反馈意见 - 我也是新人,仍在努力弄清楚网站的工作原理。很高兴我能帮上忙! – 2015-04-06 14:59:40