刷新webView的方法

package com.dge.dges; 
 
import android.app.Activity; 
import android.content.Intent; 
import android.os.Bundle; 
import android.view.View; 
import android.webkit.WebView; 
import android.widget.Button; 
 
public class dgeActivity extends Activity { 
 WebView mWebView; 
    /** Called when the activity is first created. */ 
    @Override 
    public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.main); 
 
        mWebView = (WebView) findViewById(R.id.webview); 
        mWebView.getSettings(); 
        mWebView.loadUrl("http://www.websitehere.php"); 
 
        Button newButton = (Button)findViewById(R.id.new_button); 
        newButton.setOnClickListener(new View.OnClickListener() { 
   public void onClick(View v) { 
  dgeActivity.this.mWebView.loadUrl("http://www.websitehere.php"); 
   } 
        }); 
 
    } 
}