我有一个项目,我应该将整数、浮点数和文本字符串等数据从 Android 应用程序发送到 Web 数据库。但是我不知道如何做到这一点。有人可以解释一下吗???任何建议或帮助将不胜感激。
- 您需要编写一些服务器端逻辑(通过POST或GET方法接受参数key=value的PHP页面)
- 然后,如果数据经过验证,则将其保存到数据库
- 在手机中,您必须实现 HttpClient 和 HttpPost 类才能将此数据 POST 到 PHP 页面
在手机中您可以使用以下代码(未经测试):
public void postData() {
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
HttpPost httppost = new HttpPost("http://www.yoursite.com/script.php");
try {
// Add your data
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("id", "12345"));
nameValuePairs.add(new BasicNameValuePair("stringdata", "Hi"));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
// Execute HTTP Post Request
HttpResponse response = httpclient.execute(httppost);
} catch (ClientProtocolException e) {
// TODO Auto-generated catch block
} catch (IOException e) {
// TODO Auto-generated catch block
}
}
在 PHP 中你可以这样做:
<?php
//Check whether the data has been submitted
if (isset($_POST['id'] && isset($_POST['stringdata'])) ) {
//Let's now print out the received values in the browser
echo "Id: {$_POST['id']}<br />";
echo "String data: {$_POST['stringdata']}<br />";
//you can implement database logic here too (insert data to database)
} else {
echo "You can't see this page without submitting the data.";
}
?>
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