上到到空间后验证码不显示? 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? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 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, $color); } }?>验证码是这样写的。<?require_once('lib07/function_form.inc.php');require_once('lib07/config.inc.php');if(!defined('dbzz_net')) { exit('Access Denied');}?><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><title><?=$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="cursor:pointer; width:60px; height:20px;" id="codeimg"/> <a href="javascript:change();" style="cursor:pointer;">看不清楚,换一张</a></td> </tr> </table> </form></td> </tr> <tr> <td height="40" style="color:#53a3c6;line-height:22px;"> 业务部专用<br> </td> </tr> </table></td> </tr> </table></td> </tr></table></body></html>调用是这样调用的 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! Notice: Undefined index: width in .... on line 11Notice: Undefined index: height in ... on line 12Notice: Undefined index: font in ... on line 13而你只有 <img src="userinfo/Verifycode.php" ...并没有传入参数 PHP读取1000条以上产品数据,速度慢 视频缩图问题 mysql数据库安装提示出错,是不是端口的问题?还没睡觉的夜猫进来指点一下。。。。 请教一个OOP的问题? 怎样在apache中设自动运行index.php? PHP从HTML中提取文字代码 如何判断一个用户登陆是否成功了? 用Header回出错,为什么。 我用IIS浏览PHP网页的问题 WHILE问题 thinkphp会员登录密码验证md5问题。 请教 匹配这段,正则应该怎么写
<?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, $color);
}
}
?>验证码是这样写的。<?
require_once('lib07/function_form.inc.php');
require_once('lib07/config.inc.php');
if(!defined('dbzz_net')) {
exit('Access Denied');
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title><?=$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="cursor:pointer; width:60px; height:20px;" id="codeimg"/> <a href="javascript:change();" style="cursor:pointer;">看不清楚,换一张</a></td>
</tr>
</table>
</form></td>
</tr>
<tr>
<td height="40" style="color:#53a3c6;line-height:22px;"> 业务部专用<br>
</td>
</tr>
</table></td>
</tr>
</table></td>
</tr>
</table>
</body>
</html>调用是这样调用的
Notice: Undefined index: height in ... on line 12
Notice: Undefined index: font in ... on line 13而你只有 <img src="userinfo/Verifycode.php" ...
并没有传入参数