一个查询、修改单词的界面和后台用XML文件存放单词的php程序

  
  
  
  
   
word:   
  
descri: 
  
note:   
  
  
insert  
query  

  
  
  
html;charset=utf-8");  
    require_once &＃39;xml.class.php&＃39;;  
    if(isset($_POST[&＃39;select&＃39;])){  
        $word=$descri=$note="";  
        $dom = new XMLOper();  
        if(isset($_POST[&＃39;word&＃39;])){  
            $word=$_POST[&＃39;word&＃39;];  
            $word=strtoupper($word);  
        }  
        if(isset($_POST[&＃39;descri&＃39;])){  
            $descri=$_POST[&＃39;descri&＃39;];  
        }  
        if(isset($_POST[&＃39;note&＃39;])){  
            $note=$_POST[&＃39;note&＃39;];  
        }  
        $arr=array($descri,$word,$note);  
        switch($_POST[&＃39;select&＃39;]){  
            case 1:if(!$dom->checkWord($word)){$dom->xml_insert($arr);$dom->save();echo "successful";}  
                    else {echo "danci has exist yet!";}exit;  
            case 2:if(!$dom->checkWord($word)) die("no word in the dbtable");  
                   $arr=$dom->xml_query($word);  
                   if($arr[0]==""){  
                        die("no word in xml");  
                    }  
                    echo "result:
word:$arr[0]
descri:$arr[1]
note:$arr[2]";  
                  
        }  
    }  
?>  

dom =new DOMDocument("1.0","utf-8");  
        $this->dom->formatOutput=true;  
    }  
    public function xml_query($word){  
        $bool=$this->dom->load("test.xml");  
        if(!$bool)echo "error when load the xml file
";  
        $arr=array();  
        $temp=$this->dom->getElementById($word);  
        $arr[0]=$temp->getElementsByTagName("NAME")->item(0)->nodeValue;  
        $arr[1]=$temp->getElementsByTagName("DESCRI")->item(0)->nodeValue;  
        $arr[2]=$temp->getElementsByTagName("NOTES")->item(0)->nodeValue;  
        return $arr;  
    }  
    public function setTextNode($Node,$content){  
        $Node->appendChild($this->dom->createTextNode($content));  
    }  
    public function xml_insert($contentArray){  
        $arr=array("WORD","DESCRI","NAME","NOTES");  
        $this->setRootEle("DANCI");  
        for($j=0;$j<4;$j++){  
            $tempArr[$j]=$this->dom->createElement($arr[$j]);  
        }  
        $word=$this->root->appendChild($tempArr[0]);  
        for($j=1;$j<4;$j++){  
            $this->setTextNode($word->appendChild($tempArr[$j]),$contentArray[$j-1]);  
        }     
        $word->setAttribute("id", $contentArray[1]);   
    }  
    public function setRootEle($name){  
        $this->root=$this->dom->appendChild($this->dom->createElement($name));  
    }  
    public function checkWord($word){  
        $str=file_get_contents("test.xml");  
        if(preg_match("/".$word."<\/NAME>/", $str)==1)return true;  
        else return false;  
    }  
    public function save(){  
        $this->dom->save("temp.xml");  
        $fp=fopen("temp.xml", "r+");//不能用w+，要不然文件就会被覆盖,这种方式会覆盖之前写过的信息,而不是插入。  
        /*下面的一句话就可以让保存的文件的编码设为UTF-8，而文件默认编码方式为ANSI。这一点可以用记事本程序查看文件的编码方式 
         fwrite($fp,"\xef\xbb\xbf");*/  
        fwrite($fp, "");    
        fgets($fp,200);//第一行字节留有200足够,使文件指针转移到下一行  
        //fgets($fp,200);  
        $xml="";  
        while(!feof($fp)){  
        $xml.=fread($fp, 1024);  
        }  
        $xml.="";  
        fclose($fp);  
        $str=file_get_contents("test.xml");  
        $pattern="/<\/TABLE>/";$replacement="";  
        $str=preg_replace($pattern,$replacement,$str);  
        file_put_contents("test.xml",$str);  
        $fp=fopen("test.xml", "a+");          
        fwrite($fp,$xml);  
        fclose($fp);  
    }  
}  
      
      
  
  
  
?>