我在自己的电脑上运行验证码是显示的,怎么我上传到网上空间就不显示啦,是什么原因啊?
你的验证码是用什么方式写的?
看下空间上是否有开启这个功能
如果有,看下有没权限创建这个验证码
注释掉声明数据类型的 header 函数,用浏览器直接运行生成程序
<?php //随机字符串种子,可以换成字母或其他英文字符 $glbVerifySeed = "AbcDefGhijkL1234567890mnOpqRstuvwxYz"; main(); function main() { session_start(); $verifyCode = getRandomCode(); $_SESSION["verifyCode"] = $verifyCode; $imgWidth = $_REQUEST["width"]; $imgHeight = $_REQUEST["height"]; $imgFont = $_REQUEST["font"]; if($imgWidth == "") $imgWidth = 50; if($imgHeight == "") $imgHeight = 20; if($imgFont == "") $imgFont = 6; doOutputImg($verifyCode, $imgWidth, $imgHeight, $imgFont); } //获取随机数字字符串 function getRandomCode($length=4) { global $glbVerifySeed; $bgnIdx = 0; $endIdx = strlen($glbVerifySeed)-1; $code = ""; for($i=0; $i<$length; $i++) { $curPos = rand($bgnIdx, $endIdx); $code .= substr($glbVerifySeed, $curPos, 1); } return $code; } //输出校验码图像 function doOutputImg($string, $imgWidth, $imgHeight, $imgFont, $imgFgColorArr=array(0,0,0), $imgBgColorArr=array(255,255,255)) { $image = imagecreatetruecolor($imgWidth, $imgHeight); //用白色背景加黑色边框画个方框 $backColor = imagecolorallocate($image, 255, 255, 255); $borderColor = imagecolorallocate($image, 255, 255, 255); imagefilledrectangle($image, 0, 0, $imgWidth - 1, $imgHeight - 1, $backColor); imagerectangle($image, 0, 0, $imgWidth - 1, $imgHeight - 1, $borderColor); $imgFgColor = imagecolorallocate ($image, $imgFgColorArr[0], $imgFgColorArr[1], $imgFgColorArr[2]); doDrawStr($image, $string, $imgFgColor, $imgFont); doPollute($image, 64); header('Content-type: image/png'); imagepng($image); imagedestroy($image); } //画出校验码 function doDrawStr($image, $string, $color, $imgFont) { $imgWidth = imagesx($image); $imgHeight = imagesy($image); $count = strlen($string); $xpace = ($imgWidth/$count); $x = ($xpace-6)/2; $y = ($imgHeight/2-8); for ($p = 0; $p<$count; $p ++) { $xoff = rand(-2, +2); $yoff = rand(-2, +2); $curChar = substr($string, $p, 1); imagestring($image, $imgFont, $x+$xoff, $y+$yoff, $curChar, $color); $x += $xpace; } return 0; } //画出一些杂点 function doPollute($image, $times) { $imgWidth = imagesx($image); $imgHeight = imagesy($image); for($j=0; $j<$times; $j++) { $x = rand(0, $imgWidth); $y = rand(0, $imgHeight); $color = imagecolorallocate($image, rand(0,255), rand(0,255), rand(0,255)); imagesetpixel($image, $x, $y, $color); } }?>
<?require_once('lib07/function_form.inc.php');require_once('lib07/config.inc.php');if(!defined('dbzz_net')) { exit('Access Denied');}?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title><?=$global_websitename;?></title><meta http-equiv="Content-Type" content="text/html; charset=gb2312"><link href="css/style.css" rel="stylesheet" type="text/css" /><script language="javascript"><!--function FormCheck() { if (myform.userid.value=="") { alert("请您填写用户ID!"); document.myform.userid.focus(); return false; }var filter=/^\s*[A-Za-z0-9_-]{4,20}\s*$/;if (!filter.test(document.myform.userid.value)) { alert("用户名填写不正确,请重新填写!可使用的字符为(A-Z a-z 0-9 下划线 减号)长度不小于4个字符,不超过20个字符,注意不要使用空格。"); document.myform.userid.focus();//document.myform.username.select();return false; } if (myform.pwd.value=="") { alert("请您填写密码!"); document.myform.pwd.focus(); return false; } if(myform.check.value==""){ alert ("验证码必须填写!"); myform.check.focus(); return false;}var filter=/^\s*[A-Za-z0-9_-]{4,20}\s*$/;if (!filter.test(document.myform.pwd.value)) { alert("密码填写不正确,请重新填写!可使用的字符为(A-Z a-z 0-9 下划线 减号)长度不小于4个字符,不超过20个字符,注意不要使用空格。"); document.myform.pwd.focus();document.myform.pwd.select();return false; } return true; }//function shutwin(){opener=null;self.close();}////function showme1() {//window.open("","pop","scrollbars=no,status=yes,resizable=yes,top=0,left=0,width="+(screen.availWidth-10)+",height="+(screen.availHeight-30)+",channelmode=no");//shutwin();//}function textLimitCheck(thisArea, maxLength){ if (thisArea.value.length > maxLength) { alert(maxLength + ' 个字限制. \r超出的将自动去除.'); thisArea.value = thisArea.value.substring(0, maxLength); thisArea.focus(); } /*回写span的值,当前填写文字的数量*/ }function change() { var img =document.getElementById("codeimg"); img.src=img.src+"?"; } //--></script></head><body style="background:#145597 url(myimages/one/login_back.gif) repeat-x top;" scroll=no><table width="1004" height="618" border="0" cellpadding="0" cellspacing="0" background="myimages/1/loginback.jpg"> <tr> <td align="center" ><table width="498" height="222" border="0" cellpadding="0" cellspacing="9" bgcolor="215992"> <tr> <td background="myimages/1/loginback_mid.jpg" bgcolor="#FFFFFF"><table width="100%" border="0" cellspacing="0" cellpadding="0"> <tr> <td height="40" class="websitename"> 金科网络公司OA系统登录</td> </tr> <tr> <td><form name="myform" method="post" onSubmit="return FormCheck();" action="userinfo/login.php"> <table width="100%" border="0" cellspacing="0" cellpadding="2"> <tr> <td width="25%" height="26" align="right"><font color="#0057AE">账 号:</font></td> <td width="38%"><input name="userid" type="text" id="Uname" style="width:148px;padding-bottom:2px;padding-left:3px;line-height:22px;margin:0px auto;" tabindex=1 size="18" maxlength="20"></td> <td width="37%" rowspan="3"><input type="image" src="myimages/1/loginbutton.gif" name="Submit" style="height:62px;width:62px;border:0px;" width="62" height="62" tabindex=3 value="-立刻登录-" > </td> </tr> <tr> <td height="26" align="right"><font color="#0057AE">密 码:</font></td> <td><input name="pwd" type="password" id="Upass" style="width:148px;padding-bottom:2px;line-height:22px;padding-left:3px;margin:0px auto;" tabindex=2 size="20" maxlength="20" ></td> </tr> <tr> <td height="26" align="right"><font color="#0057AE">验证码:</font></td> <td><input type="text" name="check" style="width:148px;padding-bottom:2px;padding-left:3px;line-height:22px;margin:0px auto;" tabindex=1 size="18" maxlength="20"></td></tr> <tr><td> </td><td><img src="userinfo/Verifycode.php" onClick="this.src='userinfo/Verifycode.php?rand='+Math.random()*5;" style="max-width:90%" id="codeimg"/ alt="上到到空间后验证码不显示?" > <a href="javascript:change();" style="cursor:pointer;">看不清楚,换一张</a></td> </tr> </table> </form></td> </tr> <tr> <td style="max-width:90%" style="color:#53a3c6;line-height:22px;"> 业务部专用<br> </td> </tr> </table></td> </tr> </table></td> </tr></table></body></html>
这样写在本地只要把wamp里面的php_gd2选上就行显示啦,怎么上传到空间后就没有显示啦呢?请帮帮我,谢谢!
空间里面 gd开启了嘛?报什么错?
空间里面 gd开启了嘛?报什么错?
空间是买的,怎么开gd啊,没有报错,就是不显示,直接不显示。
Notice: Undefined index: width in .... on line 11
Notice: Undefined index: height in ... on line 12
Notice: Undefined index: font in ... on line 13
而你只有 并没有传入参数
Notice: Undefined index: width in .... on line 11
Notice: Undefined index: height in ... on line 12
Notice: Undefined index: font in ... on line 13
而你只有 并没有传入参数
那应该怎么写?麻烦你教一下,谢谢!