我正在尝试编写一个Android应用,这样我就可以从包含我的工作名单的网站上阅读文字https://www.blahblahblahcompany.com/Rostering/exportRoster.aspx
这可能吗?我可以通过网站验证自己,然后下载源代码吗?
相关网站还可以将名单导出为.xls文件
相关网页的屏幕截图 http://img528.imageshack.us/img528/9954/rosterf.png
答案 0 :(得分:0)
在Android网络浏览器中,转到工具>选项>加密>查看证书以查看支持的证书提供程序列表。只要您从受支持的提供商处购买证书,您就可以执行此操作。 Here is a stack answer可能有一些线索。
答案 1 :(得分:0)
我不知道我是否得到了你真正想做的事情,但我确信至少,你需要一些Get / Post操作来执行身份验证过程并检索数据/信息。请检查以下方法:
的
的public StringBuilder post(String url, List<NameValuePair> nvps) {
try {
HttpPost httppost = new HttpPost(url);
// if there is cookies, set then
if (cookies != null && cookies.size() > 0) {
String cookieString = "";
for (int i = 0; i < cookies.size(); ++i) {
cookieString += cookies.get(i).getName() + "=" + cookies.get(i).getValue() + "; ";
}
cookieString += "domain=" + Constants.BaseUrl + "; " + "path=/";
httppost.addHeader("Cookie", cookieString);
}
// connection timeout options
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, Constants.timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, Constants.timeoutSocket);
// setup the post method
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
httppost.setEntity(new UrlEncodedFormEntity(nvps, HTTP.UTF_8));
HttpResponse response = httpClient.execute(httppost);
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
StringBuilder builder = new StringBuilder();
for (String line = null; (line = reader.readLine()) != null;)
builder.append(line).append("\n");
// set cookies
List<Cookie> incomingCookies = httpClient.getCookieStore().getCookies();
for (int i = 0; incomingCookies != null && i < incomingCookies.size(); i++) {
cookies.add(incomingCookies.get(i));
}
return builder;
} catch (UnsupportedEncodingException e) {
} catch (ClientProtocolException e) {
} catch (IOException e) {
} catch (Exception e) {
}
return null;
}
的
上面的方法在 url 字符串参数中执行帖子,使用配对值 nvps 作为标头的参数。请注意,常量类是您为WebService声明静态字符串(例如API条目)的类,字段 cookies 是一个Cookie列表,它将保留您的WebService会话问题。此方法将作为字符串构建器对象返回POST请求的结果。基本上,它是一种可以在几种情况下使用的通用方法,您应该做很少的调整以适应任务。您可以使用验证。
另一个重要方法是Http GET:
的
的public StringBuilder get(String url) {
try {
HttpGet httpget = new HttpGet(url);
// if there is cookies, set then
if (cookies != null && cookies.size() > 0) {
String cookieString = "";
for (int i = 0; i < cookies.size(); ++i) {
cookieString += cookies.get(i).getName() + "=" + cookies.get(i).getValue() + "; ";
}
cookieString += "domain=" + Constants.BaseUrl + "; " + "path=/";
httpget.addHeader("Cookie", cookieString);
}
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, Constants.timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, Constants.timeoutSocket);
DefaultHttpClient httpClient = new DefaultHttpClient(httpParameters);
HttpResponse response = httpClient.execute(httpget);
BufferedReader reader = new BufferedReader(new InputStreamReader(response.getEntity().getContent(), "UTF-8"));
StringBuilder builder = new StringBuilder();
for (String line = null; (line = reader.readLine()) != null;)
builder.append(line).append("\n");
// set cookies
List<Cookie> incomingCookies = httpClient.getCookieStore().getCookies();
for (int i = 0; incomingCookies != null && i < incomingCookies.size(); i++) {
cookies.add(incomingCookies.get(i));
}
return builder;
} catch (UnsupportedEncodingException e) {
} catch (ClientProtocolException e) {
} catch (IOException e) {
} catch (Exception e) {
}
return null;
}
的
这一步做了类似的步骤,但目的却截然不同。考虑到您已经过身份验证或不需要身份验证过程,这个目标是检索信息。它以字符串构建器的形式返回请求的数据。
请注意,除了这些方法非常通用之外,您还必须仔细检查所请求网页中使用的过程是什么。希望它能以某种方式帮助你! ; - )