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《php---mysql简单应用---在线词典》_PHP教程

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Jul 14, 2016 am 10:06 AM

doctype dtd html public w3c

[html]

Insert title here

Insert title here

[php] view plaincopyprint?

class DicTool{

    private $conn;
    private $host = "localhost";
    private $user = "root";
    private $password = "123";
    private $db = "test";

    //构造函数，初始化数据，连接数据库
    function __construct(){

        $this->conn = mysql_connect($this->host, $this->user, $this->password);
        if (!$this->conn){
            die("连接数据库失败".mysql_error());
        }
        //选择数据库
        mysql_select_db($this->db,$this->conn);
        mysql_query("set names utf8");
    }

    function findchword($enword){

        $sql = "select * from words where enword ='".$enword."'limit 0,10";

        $res = mysql_query($sql,$this->conn) or die(mysql_error());

        if (!$res){
            return 0;//失败
        }else{

            $row = mysql_fetch_assoc($res);
            return $row['chword'];
        }
    }

}

class DicTool{

private $conn;
private $host = "localhost";
private $user = "root";
private $password = "123";
private $db = "test";

//构造函数，初始化数据，连接数据库
function __construct(){

  $this->conn = mysql_connect($this->host, $this->user, $this->password);
  if (!$this->conn){
   die("连接数据库失败".mysql_error());
  }
  //选择数据库
  mysql_select_db($this->db,$this->conn);
  mysql_query("set names utf8");
}

}
[php]
    header("Content-Type: text/html; charset=UTF-8");
    include_once 'DicTool.class.php';

    $dicTool = new DicTool();

    if (isset($_POST['enword'])){

        $chword = $dicTool->findchword($_POST['enword']);
        if ($chword){
            echo $_POST['enword']."对应的中文意思是：".$chword."
";
        }else{
            echo "未查询到结果！
";
        }
    }else{
        echo "未获取任何输入！
";
    }
        echo "点击返回
";

header("Content-Type: text/html; charset=UTF-8");
include_once 'DicTool.class.php';

$dicTool = new DicTool();

if (isset($_POST['enword'])){

  $chword = $dicTool->findchword($_POST['enword']);
  if ($chword){
   echo $_POST['enword']."对应的中文意思是：".$chword."
";
  }else{
   echo "未查询到结果！
";
  }
}else{
  echo "未获取任何输入！
";
}
  echo "点击返回
";