取得網頁資料的方法，適用於Android系統的指南

如何讓Android取得網頁上的資料

這個範例來自於Android學習手冊，該手冊包含9個章節和108個範例。所有的範例都是可互動且可運行的，原始碼採用了Android Studio目錄結構，程式碼部分採用高亮顯示。文件的結構圖能夠幫助快速定位所需內容。你可以透過360手機助理下載該學習手冊，該應用程式的圖示上有一個貝殼標誌。

//第一種

/**取得參數（ArrayListnameValuePairs,String url）後post給遠端伺服器

* 將獲得的回傳結果（String）傳回給呼叫者

* 本函數適用於查詢數量較少的時候

*/

public String posturl(ArrayListnameValuePairs,String url){

String result = ＂＂;

String tmp= ＂＂;

InputStream is = null;

try{

HttpClient httpclient = new DefaultHttpClient();

HttpPost httppost = new HttpPost(url);

httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));

HttpResponse response = httpclient.execute(httppost);

HttpEntity entity = response.getEntity();

is = entity.getContent();

}catch(Exception e){

#return ＂Fail to establish http connection!＂;

}

try{

BufferedReader reader = new BufferedReader(new InputStreamReader(is,＂utf-8＂));

StringBuilder sb = new StringBuilder();

String line = null;

while ((line = reader.readLine()) != null) {

sb.append(line ＂\n＂);

}

is.close();

tmp=sb.toString();

}catch(Exception e){

#return ＂Fail to convert net stream!＂;

}

try{

JSONArray jArray = new JSONArray(tmp);

for(int i=0;iJSONObject json_data = jArray.getJSONObject(i);

Iteratorkeys=json_data.keys();

while(keys.hasNext()){

result = json_data.getString(keys.next().toString());

}

}

}catch(JSONException e){

return ＂The URL you post is wrong!＂;

}

return result;

}

android開發中如何取得上網記錄

需要在AndroidManifest.xml中加權限。

String string = null;

ContentResolver contentResolver = getContentResolver();

Cursor cursor = contentResolver.query(Uri.parse(＂content://browser/bookmarks＂), new String[]{＂url＂}, null, null, null);

while (cursor != null & cursor.moveToNext()) {

string = cursor.getString(cursor.getColumnIndex(＂url＂));

Log.d(＂debug＂, string == null ? ＂null＂:string);

}

安卓呼叫html的頁面怎麼取得html頁面的資料

展開全部

首先你需要導入：HttpClient、HttpGet

然後透過HttpGet透過url發送request

透過HttpClient的execute取得response

解析傳回的內容

HttpClient client = new DefaultHttpClient();

HttpGet request = new HttpGet(url);

HttpResponse response = client.execute(request);

String html = ＂＂;

InputStream in = response.getEntity().getContent();

BufferedReader reader = new BufferedReader(new InputStreamReader(in));

StringBuilder str = new StringBuilder();

String line = null;

while((line = reader.readLine()) != null)

{

str.append(line);

}

in.close();

html = str.toString();

以上是取得網頁資料的方法，適用於Android系統的指南的詳細內容。更多資訊請關注PHP中文網其他相關文章！