php - cookie设置的PHP头部修改解决方案

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PHP 已发送的标头

我正在为我的本地数据库使用 phpmyadmin，并使用 3 个 php 页面来操作管理员面板，以便能够查看、编辑和删除工作线索。这是 adminpanel.php 页面：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><!-- InstanceBegin template="/Templates/About.dwt" codeOutsideHTMLIsLocked="false" -->
    <head>
        <!-- InstanceBeginEditable name="doctitle" -->
            <title>.: Nokee Kwe - Admin Panel :.</title>
        <!-- InstanceEndEditable -->
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <link rel="stylesheet" type="text/css" media="screen" href="layout.css" />
        <link rel="stylesheet" type="text/css" media="screen" href="style.css" />
         <script type="text/javascript">
//<![CDATA[
    if (navigator.userAgent.toLowerCase().indexOf('chrome') > -1)
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"stylechr.css\" />');
    else if (navigator.userAgent.toLowerCase().indexOf('opera') > -1)
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"styleopr.css\" />');
    else
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />');
//]]>
    </script>
    <!--[if lte IE 8]>
    <link rel="stylesheet" type="text/css" href="ie.css" />
<![endif]-->
<!--[if IE 9]>
    <link rel="stylesheet" type="text/css" href="ie9.css" />
<![endif]--> 
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<style type="text/css">
form
{
    margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
    <div class="header" id="ieHead">
                <div class="splashTop">
<!--[if lte IE 8]>
                    <img src="images/eagle.png" alt="eagle" />
                    <![endif]-->
<!--[if IE 9]>
                    <img src="images/eagle.png" alt="eagle" />
                    <![endif]-->
                        <div class="splashFAX" id="ieFax">Telephone: (519) 667-7088 • Facsimile: (519) 667-4872</div>
                        <div class="splashADDRESS" id="ieAddress">104-1069 Wellington Road South • London, Ontario • N6E 2H6</div>
                       <br/>
                       <span class="splashShare">
                        <span class="facebook"><script type="text/javascript">
//<![CDATA[
(function() {
    document.write('<fb:like href="www.facebook.com/NokeeKwe?sk=info" layout="button_count" show_faces="" width="50" action="like" font="tahoma" colorscheme="light"></fb:like>');
    var s = document.createElement('SCRIPT'), s1 = document.getElementsByTagName('SCRIPT')[0];
    s.type = 'text/javascript';
    s.async = true;
    s.src = 'http://connect.facebook.net/en_US/all.js#xfbml=1';
    s1.parentNode.insertBefore(s, s1);
})();
//]]>
</script>
                        </span><span class="twitter"><script type="text/javascript">
//<![CDATA[
(function() {
    document.write('<a href="http://twitter.com/share" class="twitter-share-button" data-count="horizontal" data-via="NokeeKwe">Tweet</a>');
    var s = document.createElement('SCRIPT'), s1 = document.getElementsByTagName('SCRIPT')[0];
    s.type = 'text/javascript';
    s.async = true;

    s.src = 'http://platform.twitter.com/widgets.js';
    s1.parentNode.insertBefore(s, s1);
})();
//]]>
</script></span>
                    </span>
                    </div>
                <div id="splashMain">
<object type="application/x-shockwave-flash" 
data="wheelNew.swf" 
width="400" height="350" style="float: right; position: absolute; margin: -10px 0 0 425px;" id="flashWheel">
<param name="movie" value="wheelNew.swf" />
<param name="quality" value="high"/>
<param name="wmode" value="transparent"/>
</object>
        <p class="title" id="em">About<br /> Nokee Kwe</p>
                                <p class="subtitle" id="emSub">Serving both Aboriginal<br/> and non-Aboriginal populations since 1978.</p>

                       </div>
                       <div id="navOuter">
                            <div id="nav">
                                <a href="about.html" target="_self"><span class="buttonNav" id="aboutBtn">About Us</span></a>
                                <a href="career.html" target="_self"><span class="buttonNav" id="cdBtn">Career Directions</span></a>
                                <a href="nlcentre.html" target="_self"><span class="buttonNav" id="nlcBtn">Native Education Centre</span></a>
                                <a href="index.html" target="_self"><span class="buttonNav" id="homeBtn">Home</span></a>
                            </div>
                       </div>
            </div>
<div class="wideBox">
<form action="AdminPanel.php" method="get">
    <p><button name="jobLead" value="addJob">+</button><button name="jobLead" value="viewJobs">&</button></p>
    </form>
    <?php
    if (isset($_GET['jobLead']))
    {
            switch($_GET['jobLead'])
            {
                case 'addJob':
                    echo "<META HTTP-EQUIV='Refresh' Content='0; URL=addJob.php'>";
                    break;
                case 'viewJobs':
                    echo "<META HTTP-EQUIV='Refresh' Content='0; URL=viewJobs.php'>";
                    break;
                default:

                    break;

            }
    }
    ?></div>
<div class="push"></div>
</div>
<div class="footer">
            <table width="900" border="0" cellspacing="0" cellpadding="0" class="footer-Links">
                <tr>
                    <td height="20" colspan="4">&nbsp;</td>
                </tr>
                <tr>
                    <td width="120" height="80" align="left" valign="middle" style="padding-left:40px;">
                        <a href="board.html">Board</a><br />
                        <a href="sponsors.html">Sponsors</a><br/>
                        <a href="funders.html">Funders</a><br/>
                        <a href="partners.html">Partners</a>
                    </td>
                    <td width="120" height="80" align="left" valign="middle">
                        <a href="history.html">History</a><br />
                        <a href="vision.html">Vision</a><br />
                        <a href="mission.html">Mission</a>
                    </td>
                    <td width="200" height="80" align="left" valign="middle">
                    <a href="contact.html">Contact Nokee Kwe</a><br/>
                        <a href="career.html">Career Directions</a><br />
                        <a href="nlcentre.html">Native Education Centre</a>
                    </td>
                    <td height="100">
                        <a href="index.html"><img src="images/bottom/nokeekwe_logo.png" alt="" width="350" height="80" border="0"/></a>
                    </td>
                </tr>
            </table>
        </div>
                <!-- Website Tracking Scripts -->
                <script type="text/javascript">
                    var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
                    document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
                </script>
                <script src="A%20CSS%20Sticky%20Footer_files/ga.js" type="text/javascript"></script>
                <script type="text/javascript">
                    var pageTracker = _gat._getTracker("UA-271290-1");
                    pageTracker._initData();
                    pageTracker._trackPageview();
                </script>

</body>
</html>

当您转到 viewJobs.php 时：

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
   "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml"><!-- InstanceBegin template="/Templates/About.dwt" codeOutsideHTMLIsLocked="false" -->
    <head>
        <!-- InstanceBeginEditable name="doctitle" -->
            <title>.: Nokee Kwe - Admin Panel :.</title>
        <!-- InstanceEndEditable -->
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
        <link rel="stylesheet" type="text/css" media="screen" href="layout.css" />
        <link rel="stylesheet" type="text/css" media="screen" href="style.css" />
         <script type="text/javascript">
//<![CDATA[
    if (navigator.userAgent.toLowerCase().indexOf('chrome') > -1)
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"stylechr.css\" />');
    else if (navigator.userAgent.toLowerCase().indexOf('opera') > -1)
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"styleopr.css\" />');
    else
    document.write('<link rel=\"stylesheet\" type=\"text/css\" href=\"style.css\" />');
//]]>
    </script>
    <!--[if lte IE 8]>
    <link rel="stylesheet" type="text/css" href="ie.css" />
<![endif]-->
<!--[if IE 9]>
    <link rel="stylesheet" type="text/css" href="ie9.css" />
<![endif]--> 
<script type="text/javascript" src="jquery-1.7.2.js"></script>
<style type="text/css">
form
{
    margin: 0 auto;
}
</style>
</head>
<body>
<div class="wrapper">
    <div class="header" id="ieHead">
                <div class="splashTop">
<!--[if lte IE 8]>
                    <img src="images/eagle.png" alt="eagle" />
                    <![endif]-->
<!--[if IE 9]>
                    <img src="images/eagle.png" alt="eagle" />
                    <![endif]-->
                        <div class="splashFAX" id="ieFax">Telephone: (519) 667-7088 • Facsimile: (519) 667-4872</div>
                        <div class="splashADDRESS" id="ieAddress">104-1069 Wellington Road South • London, Ontario • N6E 2H6</div>
                       <br/>
                       <span class="splashShare">
                        <span class="facebook"><script type="text/javascript">
//<![CDATA[
(function() {
    document.write('<fb:like href="www.facebook.com/NokeeKwe?sk=info" layout="button_count" show_faces="" width="50" action="like" font="tahoma" colorscheme="light"></fb:like>');
    var s = document.createElement('SCRIPT'), s1 = document.getElementsByTagName('SCRIPT')[0];
    s.type = 'text/javascript';
    s.async = true;
    s.src = 'http://connect.facebook.net/en_US/all.js#xfbml=1';
    s1.parentNode.insertBefore(s, s1);
})();
//]]>
</script>
                        </span><span class="twitter"><script type="text/javascript">
//<![CDATA[
(function() {
    document.write('<a href="http://twitter.com/share" class="twitter-share-button" data-count="horizontal" data-via="NokeeKwe">Tweet</a>');
    var s = document.createElement('SCRIPT'), s1 = document.getElementsByTagName('SCRIPT')[0];
    s.type = 'text/javascript';
    s.async = true;

    s.src = 'http://platform.twitter.com/widgets.js';
    s1.parentNode.insertBefore(s, s1);
})();
//]]>
</script></span>
                    </span>
                    </div>
                <div id="splashMain">
<object type="application/x-shockwave-flash" 
data="wheelNew.swf" 
width="400" height="350" style="float: right; position: absolute; margin: -10px 0 0 425px;" id="flashWheel">
<param name="movie" value="wheelNew.swf" />
<param name="quality" value="high"/>
<param name="wmode" value="transparent"/>
</object>
        <p class="title" id="em">About<br /> Nokee Kwe</p>
                                <p class="subtitle" id="emSub">Serving both Aboriginal<br/> and non-Aboriginal populations since 1978.</p>

                       </div>
                       <div id="navOuter">
                            <div id="nav">
                                <a href="about.html" target="_self"><span class="buttonNav" id="aboutBtn">About Us</span></a>
                                <a href="career.html" target="_self"><span class="buttonNav" id="cdBtn">Career Directions</span></a>
                                <a href="nlcentre.html" target="_self"><span class="buttonNav" id="nlcBtn">Native Education Centre</span></a>
                                <a href="index.html" target="_self"><span class="buttonNav" id="homeBtn">Home</span></a>
                            </div>
                       </div>
            </div>
<div class="wideBox">
<?php
        $jobID = 0;
        $rows = 0;
        $errors = 0;
        $DBConnect = @mysql_connect("localhost", "root");

        if($DBConnect === FALSE)
        {
            echo "<p>Unable to connect to the database server. " .
            "Error code " . mysql_errno() . ": " .
            mysql_error() . "</p>\n";
            $errors++;
        }
        else
        {
            $DBName = "nokeekwe";
            $result = @mysql_select_db($DBName, $DBConnect);

            if($result === FALSE)
            {
                echo "<p>Unable to select the database. " .
                "Error code " . mysql_errno($DBConnect) . ": " .
                mysql_error($DBConnect) . "</p>\n";
                $errors++;
            }
        }
        if($DBConnect !== FALSE)
        {
            $jobID = 0;
            $errors = 0;
            $title = "";
            $desc = "";
            $req = "";
            $employer = "";
            $phone = "";
            $fax = "";
            $email = "";
            $address = "";
            $TableName = "tbljobs";
            $SQLstring = "SELECT * FROM tbljobs";
            $QueryResult = @mysql_query($SQLstring, $DBConnect);

            while(($Row = mysql_fetch_row($QueryResult)) !== FALSE)
            {
                $jobID = $Row[0];
                setcookie("jobID", $jobID);
                echo "<table>\n";
                echo "<tr><td>Job ID #: $Row[0]</td></tr>\n";
                echo "<tr><td>Job Title: $Row[1]</td></tr>\n";
                echo "<tr><td>Job Description: $Row[2]</td></tr>\n";
                echo "<tr><td>Job Requirements: $Row[3]</td></tr>\n";
                echo "<tr><td>Employer: $Row[4]</td></tr>\n";
                echo "<tr><td>Phone: <br /> $Row[5]</td></tr>\n";
                echo "<tr><td>Fax: <br /> $Row[6]</td></tr>\n";
                echo "<tr><td>Email: <br /> $Row[7]</td></tr>\n";
                echo "<tr><td>Address: <br /> $Row[8]</td></tr>\n";
                echo "<form action='editJobs.php' method='request'><button name='func' value='edit'>Edit</button><button name='func' value='delete'>Delete</button></form></tr>\n";
                echo "</table>\n";;

            }   
        }
        $rows =  mysql_num_rows($QueryResult);
        if($rows == 0)
        {
            echo "no jobs to show\n";
        }
        mysql_close($DBConnect);
?>
</div>
<div class="push"></div>
</div>
<div class="footer">
            <table width="900" border="0" cellspacing="0" cellpadding="0" class="footer-Links">
                <tr>
                    <td height="20" colspan="4">&nbsp;</td>
                </tr>
                <tr>
                    <td width="120" height="80" align="left" valign="middle" style="padding-left:40px;">
                        <a href="board.html">Board</a><br />
                        <a href="sponsors.html">Sponsors</a><br/>
                        <a href="funders.html">Funders</a><br/>
                        <a href="partners.html">Partners</a>
                    </td>
                    <td width="120" height="80" align="left" valign="middle">
                        <a href="history.html">History</a><br />
                        <a href="vision.html">Vision</a><br />
                        <a href="mission.html">Mission</a>
                    </td>
                    <td width="200" height="80" align="left" valign="middle">
                    <a href="contact.html">Contact Nokee Kwe</a><br/>
                        <a href="career.html">Career Directions</a><br />
                        <a href="nlcentre.html">Native Education Centre</a>
                    </td>
                    <td height="100">
                        <a href="index.html"><img src="images/bottom/nokeekwe_logo.png" alt="" width="350" height="80" border="0"/></a>
                    </td>
                </tr>
            </table>
        </div>
                <!-- Website Tracking Scripts -->
                <script type="text/javascript">
                    var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www.");
                    document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E"));
                </script>
                <script src="A%20CSS%20Sticky%20Footer_files/ga.js" type="text/javascript"></script>
                <script type="text/javascript">
                    var pageTracker = _gat._getTracker("UA-271290-1");
                    pageTracker._initData();
                    pageTracker._trackPageview();
                </script>

</body>
</html>

您会在 viewJobs.php 页面的顶部看到此错误：

警告：无法修改标头信息 - 标头已由第 143 行 C:\xampp\htdocs\NokeeKweSite\viewJobs.php 中的（输出从 C:\xampp\htdocs\NokeeKweSite\viewJobs.php:98 开始）发送

score 0 · Accepted Answer

0

我没有阅读你所有的代码，但你可以缓冲你的输出：

ob_start();

于 2012-06-14T18:40:53.080 回答

score 0 · Accepted Answer

你不能做

            setcookie("jobID", $jobID);

在数据已经被推送到浏览器之后。

您正在尝试在 mysql_fetch 循环中设置 cookie。

不要呼应表格，但要..

<?php
    $jobID = 0;
    $rows = 0;
    $errors = 0;
    $DBConnect = @mysql_connect("localhost", "root");

    if($DBConnect === FALSE)
    {
        $str = "<p>Unable to connect to the database server. " .
        "Error code " . mysql_errno() . ": " .
        mysql_error() . "</p>\n";
        $errors++;
    }
    else
    {
        $DBName = "nokeekwe";
        $result = @mysql_select_db($DBName, $DBConnect);

        if($result === FALSE)
        {
            $str = "<p>Unable to select the database. " .
            "Error code " . mysql_errno($DBConnect) . ": " .
            mysql_error($DBConnect) . "</p>\n";
            $errors++;
        }
    }
    if($DBConnect !== FALSE)
    {
        $jobID = 0;
        $errors = 0;
        $title = "";
        $desc = "";
        $req = "";
        $employer = "";
        $phone = "";
        $fax = "";
        $email = "";
        $address = "";
        $TableName = "tbljobs";
        $SQLstring = "SELECT * FROM tbljobs";
        $QueryResult = @mysql_query($SQLstring, $DBConnect);

        while(($Row = mysql_fetch_row($QueryResult)) !== FALSE)
        {
            $jobID = $Row[0];
            setcookie("jobID", $jobID);
            $str .= "<table>\n";
            $str .= "<tr><td>Job ID #: $Row[0]</td></tr>\n";
            $str .= "<tr><td>Job Title: $Row[1]</td></tr>\n";
            $str .= "<tr><td>Job Description: $Row[2]</td></tr>\n";
            $str .= "<tr><td>Job Requirements: $Row[3]</td></tr>\n";
            $str .="<tr><td>Employer: $Row[4]</td></tr>\n";
            $str .="<tr><td>Phone: <br /> $Row[5]</td></tr>\n";
            $str .="<tr><td>Fax: <br /> $Row[6]</td></tr>\n";
            $str .="<tr><td>Email: <br /> $Row[7]</td></tr>\n";
            $str .="<tr><td>Address: <br /> $Row[8]</td></tr>\n";
            $str .="<form action='editJobs.php' method='request'><button name='func' value='edit'>Edit</button><button name='func' value='delete'>Delete</button></form></tr>\n";
            $str .="</table>\n";;

        }   
    }
    $rows =  mysql_num_rows($QueryResult);
    if($rows == 0)
    {
        $str .="no jobs to show\n";
    }
    mysql_close($DBConnect);
?>

将该位移动到页面的最顶部。

后，

<div class="wideBox">

添加：

<?=$str;?>

这将防止在您设置 cookie 之前将信息发送到浏览器。

此外，您设置的 cookie 在 MySQL 循环中并不是一个好主意。如果您返回多行，您所做的就是将其设置为返回的最后一行的值。

php - cookie设置的PHP头部修改解决方案

2 回答 2

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