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ºÍAndroid UI layoutÒ»Ñù£¬ÎÒÃÇÒ²¿ÉÒÔÔÚXMLÖж¨ÒåÓ¦ÓóÌÐòµÄ²Ëµ¥¡£Í¨¹ýÔڲ˵¥µÄonCreateOptionsMenu·½·¨ÖÐÅòÕͲ˵¥layout¡£ÕâÑù×ö»áʹÎÒÃǵijÌÐò´úÂë¼òµ¥¶àÁË£¬¶øÇÒ¾¡¿ÉÄܵĽ«¸ü¶àµÄ½çÃæÉè¼Æ²¿·Ö·Åµ½XML£¬±ãÓÚä¯ÀÀ¡£
 
1. ÔÚ¹¤³ÌµÄ/res/Îļþ¼ÐÏ´´½¨menuÎļþ¼Ð£¬ÓÃÀ´±£´æÄãΪӦÓóÌÐò¶¨ÒåµÄ²Ëµ¥XMLÎļþ¡£
Ôڲ˵¥XML layoutÖУ¬ÓÐÈý¸öÓÐЧµÄÔªËØ£ºmenu¡¢group¡¢item¡£itemºÍgroup±ØÐëÊÇmenuµÄ×ÓÔªËØ£¬ÇÒitem±ØÐëÊÇgroupµÄ×ÓÔªËØ¡£ÁíÍâµÄmenu¿ÉÒÔÊÇitemµÄ×ÓÔªËØ£¨ÎªÁË´´½¨×Ӳ˵¥£©¡£ÏÂÃæµÄXMLƬ¶ÎÏÔʾÁ˲˵¥µÄ²ã´Î¶¨Ò壺
 
<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
<item android:title="Play" android:id="@+id/media_play"
  android:icon="@android:drawable/ic_media_play"/>
<item android:title="Pause" android:id="@+id/media_pause"
  android:icon="@android:drawable/ic_media_pause"/>
<item android:title="File" android:id="@+id/file">
<menu>
<item android:title="Open..." android:id="@+id/file_open"/>
<item android:title="Save" android:id="@+id/file_save"/>
<item android:title="Save as" android:id="@+id/file_saveas"/>
<item android:title="Exit" android:id="@+id/file_exit"/>
</menu>
</item>
<item android:title="Edit" android:id="@+id/edit">
<menu>
<group>
<item android:title="Copy" android:id="@+id/edit_copy"/>
<item android:title="Paste" android:id="@+id/edit_paste"/>
<item android:title="Cut" android:id="@+id/edit_cut"/>
<item android:title="Delete" android:id="@+id/edit_delete"/>
</group>
</menu>
</item>
</menu>
 
2. ÖØÐ´ActivityµÄonCreateOptionsMenu·½·¨£¬Í¨¹ýMenuInflater.inflate·½·¨À´ÅòÕͲ˵¥XML¡£
 
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.menu_option, menu);
 
3. ÔÚActivityµÄonOptionsItemSelected·½·¨Öд¦Àíÿ¸ö²Ëµ¥ÏîµÄµã»÷ʼþ£º
 
@Override
public boolean onOptionsItemSelected(MenuItem item) {
super.onOptionsItem


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        protected void picUp_Click(object sender, EventArgs e)
        {
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declare @xml xml
set @xml = '<root/>'
select @xml
declare @value varchar(10)
set @value = 'val1'
set @xml.modify('insert <item value="{sql:variable("@value")}" /> into (/root)[1]')
select @xml
set @value = 'val2'
set @xml.modify('replace value of (/root/item/@value)[1] with "val2 ......
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