我正在 Android 上创建一个简单的注册表单，以使用 PHP MySQL 创建新用途并将数据存储在数据库中。
该应用程序运行良好，但问题是系统将数据插入数据库，但它在模拟器上显示错误消息。我该如何解决这个错误？？？谁能帮帮我？？
注册.java
package com.sencide;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.protocol.HTTP;
import org.apache.http.util.EntityUtils;
import android.app.Activity;
import android.os.Bundle;
import android.os.StrictMode;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
public class AndroidRegister extends Activity implements OnClickListener {
EditText uname, upass;
Button registerBtn;
TextView result;
String user, pass;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.register);
StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
StrictMode.setThreadPolicy(policy);
registerBtn = (Button)findViewById(R.id.registerbtn);
registerBtn.setOnClickListener(this);
result = (TextView) findViewById(R.id.resulttxt);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if(v == registerBtn)
{
Thread t = new Thread() {
public void run() {
registerData();
}
};
t.start();
}
}
public void registerData()
{
uname = (EditText)findViewById(R.id.username);
user = uname.getText().toString();
upass = (EditText)findViewById(R.id.password);
pass = upass.getText().toString();
try
{
// Create a new HttpClient and Post Header
HttpClient httpclient = new DefaultHttpClient();
Log.e("Response-->", "after httpclient");
/* login.php returns true if username and password is equal to saranga */
HttpPost httppost = new HttpPost("http://10.0.2.2/register.php");
Log.e("Response-->", "after httppost");
List<NameValuePair> nameValuePairs = new ArrayList<NameValuePair>(2);
nameValuePairs.add(new BasicNameValuePair("username", user));
nameValuePairs.add(new BasicNameValuePair("password", pass));
httppost.setEntity(new UrlEncodedFormEntity(nameValuePairs));
Log.e("Responce-->", "after using the list name pair");
// Execute HTTP Post Request
Log.w("SENCIDE", "Execute HTTP Post Request");
HttpResponse response = httpclient.execute(httppost);
Log.e("Responce-->", "after execute the http response");
String str = EntityUtils.toString(response.getEntity(), HTTP.UTF_8);
Log.d("STR", str);
if (str.toString().equalsIgnoreCase("true")) {
runOnUiThread(new Runnable() {
public void run() {
result.setText("register Successful");
}
});
} else {
runOnUiThread(new Runnable() {
public void run() {
result.setText("Duh no register");
}
});
}
}
catch (ClientProtocolException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
}
}
原木猫
04-07 22:04:02.932: E/Response-->(469): after httpclient
04-07 22:04:02.932: E/Response-->(469): after httppost
04-07 22:04:03.033: E/Responce-->(469): after using the list name pair
04-07 22:04:03.033: W/SENCIDE(469): Execute HTTP Post Request
04-07 22:04:03.552: E/Responce-->(469): after execute the http response
04-07 22:04:03.626: D/STR(469): <br />
04-07 22:04:03.626: D/STR(469): <font size='1'><table class='xdebug-error xe-warning xe-scream' dir='ltr' border='1' cellspacing='0' cellpadding='1'>
04-07 22:04:03.626: D/STR(469): <tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> SCREAM: Error suppression ignored for</th></tr>
04-07 22:04:03.626: D/STR(469): <tr><th align='left' bgcolor='#f57900' colspan="5"><span style='background-color: #cc0000; color: #fce94f; font-size: x-large;'>( ! )</span> Warning: mysql_fetch_array() expects parameter 1 to be resource, boolean given in C:\wamp\www\register.php on line <i>27</i></th></tr>
04-07 22:04:03.626: D/STR(469): <tr><th align='left' bgcolor='#e9b96e' colspan='5'>Call Stack</th></tr>
04-07 22:04:03.626: D/STR(469): <tr><th align='center' bgcolor='#eeeeec'>#</th><th align='left' bgcolor='#eeeeec'>Time</th><th align='left' bgcolor='#eeeeec'>Memory</th><th align='left' bgcolor='#eeeeec'>Function</th><th align='left' bgcolor='#eeeeec'>Location</th></tr>
04-07 22:04:03.626: D/STR(469): <tr><td bgcolor='#eeeeec' align='center'>1</td><td bgcolor='#eeeeec' align='center'>0.0593</td><td bgcolor='#eeeeec' align='right'>142592</td><td bgcolor='#eeeeec'>{main}( )</td><td title='C:\wamp\www\register.php' bgcolor='#eeeeec'>..\register.php<b>:</b>0</td></tr>
04-07 22:04:03.626: D/STR(469): <tr><td bgcolor='#eeeeec' align='center'>2</td><td bgcolor='#eeeeec' align='center'>0.3134</td><td bgcolor='#eeeeec' align='right'>150008</td><td bgcolor='#eeeeec'><a href='http://www.php.net/mysql_fetch_array' target='_new'>mysql_fetch_array</a>
04-07 22:04:03.626: D/STR(469): ( )</td><td title='C:\wamp\www\register.php' bgcolor='#eeeeec'>..\register.php<b>:</b>27</td></tr>
04-07 22:04:03.626: D/STR(469): </table></font>
注册.php
<?php
$host="localhost"; // Host name
$username="*****"; // Mysql username
$password="****"; // Mysql password
$db_name="testlogin"; // Database name
$tbl_name="members"; // Table name
// Connect to server and select databse.
mysql_connect("$host", "$username", "$password")or die("cannot connect");
mysql_select_db("$db_name")or die("cannot select DB");
$myusername=$_POST['username'];
$mypassword=$_POST['password'];
// To protect MySQL injection
$myusername = stripslashes($myusername);
$mypassword = stripslashes($mypassword);
$myusername = mysql_real_escape_string($myusername);
$mypassword = mysql_real_escape_string($mypassword);
$message = "";
$sql = mysql_query("INSERT INTO members (username, password)VALUES('$myusername', '$mypassword')")or die(mysql_error());
$message = "you have now been registered";
$getid = mysql_fetch_array($sql);
$_SESSION['login_user'] = $getid['username'];
?>