php 根据传上来的信息，页面做出部分不同的显示

<?php
$con = mysql_connect( "127.0.0.1", "xxxx", "password" );
mysql_query("set names 'utf8' ");   
mysql_query("set character_set_client=utf8");   
mysql_query("set character_set_results=utf8"); 
    
if ( $con ) {
    $tag = mysql_select_db( "sql_name", $con );
    if ( $tag ) {
        $Haoma = $_POST[ "haoma" ];
        $trueHtml ="";

        $row=mysql_fetch_array(mysql_query( "SELECT * FROM `sqlform` where `haoma` = '".$Haoma."' "));
        $sqlhaoma = $row['haoma'];    
        $sqlshiyong = $row['shiyong'];
        $sqlshuoming =  $row['shuoming'];
        //var_dump($row);
        if($sqlhaoma == $Haoma){

            
                $trueHtml = "<div class='result correct'>";
                $trueHtml .=" <img src='/images/correct.png' style='zoom:2;margin-top:0.5em;margin-bottom:0.5em;'>";
                $trueHtml .= " <p>";
                $trueHtml .= "<b>";
                  $trueHtml.="查询结果：";
                $trueHtml.="</b>";
                $trueHtml.="<span>";
                    $trueHtml.="<em class='number'>";
                    $trueHtml.="$sqlhaoma";
                    $trueHtml.="</em>是真管理号，可信任!</span></p>";

                $trueHtml.=" <p><b>使用人：</b><span>";
                $trueHtml.="$sqlshiyong";
                $trueHtml.="</span></p>";



                $trueHtml .="<p><b>特别说明：</b><span>$sqlshuoming</span></p>";
                $trueHtml.="<p><a href='/jiarushequn'>您还可直接联系各位管理的最新QQ &gt;&gt;</a></p>";
                $trueHtml .= "</div>";
                
            
        
            
        }else{
            $trueHtml ="<div class='result error'>";
            $trueHtml.="<img src='/images/error.png' style='zoom:2;margin-top:0.5em;margin-bottom:0.5em;'>";
            $trueHtml.=" <p><b>查询结果：</b><span><em class='number'>$Haoma</em>是假管理号，不可信任<span></span></span></p>";
            $trueHtml.="<p><b>使用人：</b><span>无</span></p>";
            $trueHtml.="<p><b>特别说明：</b><span>请勿相信此人，以免上当受骗</span></p>";
            $trueHtml.="<p><a href='/jiarushequn'>您还可直接联系各位管理的最新QQ &gt;&gt;</a></p>";
           

            
            $trueHtml.="</div>";
        }

    } else {
        echo( 1 );
    }
} else {
    echo( 2 );
}


?>

在html中，对应的显示的地方直接用$trueHtml代替

<div class="content" id="trueContent" >            <?php echo $trueHtml;?>
    </div>