[jsp] 심플 쿼리 브라우저, Simple Query Browser

web 2014. 3. 20. 15:48
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jsp를 이용한 간단한 쿼리 브라우저


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<%@page contentType="text/html;charset=utf-8"%>
<%@page import='java.net.*, java.io.*, java.util.*, java.sql.*'%>
 
<%
    String defaultClass = "oracle.jdbc.driver.OracleDriver";
    String defaultUrl = "jdbc:oracle:thin:@localhost:1521:orcl";
    String defaultId = "id";
    String defaultPassword = "password";
%>
 
<html>
<head>
<title>Simple Query-Browser</title>
</head>
<body>
    <style>
* {
    font-family: Gulim;
    font-size: 12px;
}
 
.table td {
    border-bottom: 1px solid black;
}
 
.title {
    background-color: black;
    color: white;
    font-weight: bold;
}
 
.right {
    text-align: right;
}
</style>
 
<%
    String query = request.getParameter( "query" );
    String clazz = request.getParameter( "clazz" );
    String url = request.getParameter( "url" );
    String id = request.getParameter( "id" );
    String password = request.getParameter( "password" );
     
    query = query == null ? "" : query;
    clazz = clazz == null ? defaultClass : clazz;
    url = url == null ? defaultUrl : url;
    id = id == null ? defaultId : id;
    password = password == null ? defaultPassword : password;
%>
 
    <form method="post">
        <table>
            <tr>
                <td class='right'>class :</td>
                <td><input type="text" name="clazz" value="<%=clazz %>" size='50' /></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td class='right'>url :</td>
                <td><input type="text" name="url" value="<%=url %>" size='50' /></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td class='right'>id :</td>
                <td><input type="text" name="id" value="<%=id %>" size='50' /></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td class='right'>password :</td>
                <td><input type="text" name="password" value="<%=password %>" size='50' /></td>
                <td></td>
                <td></td>
            </tr>
            <tr>
                <td class='right'>query :</td>
                <td colspan='2'><input type="text" name="query" value="<%=query %>" size="100" /></td>
                <td><input type="submit" value="execute" /></td>
            </tr>
        </table>
    </form>
<%
    boolean check = true;
    if( query.isEmpty() )
    {
        check = false;
    }
    else if( clazz.isEmpty() )
    {
        check = false;
        out.println( "<script>alert('class is not null.')</script>");
    }
    else if( url.isEmpty() )
    {
        check = false;
        out.println( "<script>alert('url is not null.')</script>");
    }
    else if( id.isEmpty() )
    {
        check = false;
        out.println( "<script>alert('id is not null.')</script>");
    }
    else if( password.isEmpty() )
    {
        check = false;
        out.println( "<script>alert('password is not null.')</script>");
    }
     
    if( check )
    {
        Connection conn = null;
        Statement stmt = null;
        ResultSet rs = null;
         
        try
        {
            Class.forName( clazz );
            conn = DriverManager.getConnection( url, id, password );
            stmt = conn.createStatement();
         
            rs = stmt.executeQuery( query );
            ResultSetMetaData metaData = rs.getMetaData();
            int columns = metaData.getColumnCount();
         
            String[] titles = new String[columns];
            for( int i = 0; i < columns; i++ )
                titles[i] = metaData.getColumnName( i + 1 );
         
            ArrayList<String[]> rowArr = new ArrayList<String[]>();
            while( rs.next() )
            {
                String[] arr = new String[columns];
                for( int i = 0; i < columns; i++ )
                    arr[i] = rs.getString( ( i + 1 ) );
                rowArr.add( arr );
            }
         
            out.println( "<table class='table' cellspacing='0' cellpadding='2'>");
            out.println( "<tr>");
            for( String arr : titles )
                out.print( "<td class='title'>" + arr + "</td>" );
            out.println( "</tr>" );
             
            for( String[] arr : rowArr )
            {
                out.println( "<tr>" );
                for( String obj : arr )
                    out.print( "<td>" + obj + "</td>" );
                out.println( "</tr>" );
            }
             
            out.println( "</table>");
        }
        catch( Exception e )
        {
            out.println( e.getMessage() );
        }
    }
%>
</body>
</html>


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