ter = array_value($config, 'filter');
$arr = array_value($filter, $type);
$enable = array_value($arr, 'enable');
$wordarr = array_value($arr, 'keyword');
if (0 == $enable || empty($wordarr)) return FALSE;
foreach ($wordarr as $_keyword) {
if (!$_keyword) continue;
$r = strpos(strtolower($keyword), strtolower($_keyword));
if (FALSE !== $r) {
$error = $_keyword;
return TRUE;
}
}
return FALSE;
}
// return http://domain.com OR https://domain.com
function url_prefix()
{
$http = ((isset($_SERVER['HTTPS']) && 'on' == $_SERVER['HTTPS']) || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https')) ? 'https://' : 'http://';
return $http . $_SERVER['HTTP_HOST'];
}
// 唯一身份ID
function uniq_id()
{
return uniqid(substr(md5(microtime(true) . mt_rand(1000, 9999)), 8, 8));
}
// 生成订单号 14位
function trade_no()
{
$trade_no = str_replace('.', '', microtime(1));
$strlen = mb_strlen($trade_no, 'UTF-8');
$strlen = 14 - $strlen;
$str = '';
if ($strlen) {
for ($i = 0; $i <= $strlen; $i++) {
if ($i < $strlen) $str .= '0';
}
}
return $trade_no . $str;
}
// 生成订单号 16位
function trade_no_16()
{
$explode = explode(' ', microtime());
$trade_no = $explode[1] . mb_substr($explode[0], 2, 6, 'UTF-8');
return $trade_no;
}
// 当前年的天数
function date_year($time = NULL)
{
$time = intval($time) ? $time : time();
return date('L', $time) + 365;
}
// 当前年份中的第几天
function date_z($time = NULL)
{
$time = intval($time) ? $time : time();
return date('z', $time);
}
// 当前月份中的第几天,没有前导零 1 到 31
function date_j($time = NULL)
{
$time = intval($time) ? $time : time();
return date('j', $time);
}
// 当前月份中的第几天,有前导零的2位数字 01 到 31
function date_d($time = NULL)
{
$time = intval($time) ? $time : time();
return date('d', $time);
}
// 当前时间为星期中的第几天 数字表示 1表示星期一 到 7表示星期天
function date_w_n($time = NULL)
{
$time = intval($time) ? $time : time();
return date('N', $time);
}
// 当前日第几周
function date_d_w($time = NULL)
{
$time = intval($time) ? $time : time();
return date('W', $time);
}
// 当前几月 没有前导零1-12
function date_n($time = NULL)
{
$time = intval($time) ? $time : time();
return date('n', $time);
}
// 当前月的天数
function date_t($time = NULL)
{
$time = intval($time) ? $time : time();
return date('t', $time);
}
// 0 o'clock on the day
function clock_zero()
{
return strtotime(date('Ymd'));
}
// 24 o'clock on the day
function clock_twenty_four()
{
return strtotime(date('Ymd')) + 86400;
}
// 8点过期 / expired at 8 a.m.
function eight_expired($time = NULL)
{
$time = intval($time) ? $time : time();
// 当前时间大于8点则改为第二天8点过期
$life = date('G') <= 8 ? (strtotime(date('Ymd')) + 28800 - $time) : clock_twenty_four() - $time + 28800;
return $life;
}
// 24点过期 / expired at 24 a.m.
function twenty_four_expired($time = NULL)
{
$time = intval($time) ? $time : time();
$twenty_four = clock_twenty_four();
$life = $twenty_four - $time;
return $life;
}
/**
* @param $url 提交地址
* @param string $post POST数组 / 空为GET获取数据 / $post='GET'获取连续跳转最终URL
* @param string $cookie cookie
* @param int $timeout 超时
* @param int $ms 设为1是毫秒
* @return mixed 返回数据
*/
function https_request($url, $post = '', $cookie = '', $timeout = 30, $ms = 0)
{
if (empty($url)) return FALSE;
if (version_compare(PHP_VERSION, '5.2.3', '<')) {
$ms = 0;
$timeout = 30;
}
is_array($post) and $post = http_build_query($post);
// 没有安装curl 使用http的形式,支持post
if (!extension_loaded('curl')) {
//throw new Exception('server not install CURL');
if ($post) {
return https_post($url, $post, $cookie, $timeout);
} else {
return http_get($url, $cookie, $timeout);
}
}
is_array($cookie) and $cookie = http_build_query($cookie);
$curl = curl_init();
// 返回执行结果,不输出
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
//php5.5跟php5.6中的CURLOPT_SAFE_UPLOAD的默认值不同
if (class_exists('\CURLFile')) {
curl_setopt($curl, CURLOPT_SAFE_UPLOAD, true);
} else {
defined('CURLOPT_SAFE_UPLOAD') and curl_setopt($curl, CURLOPT_SAFE_UPLOAD, false);
}
// 设定请求的RUL
curl_setopt($curl, CURLOPT_URL, $url);
// 设定返回信息中包含响应信息头
if (ini_get('safe_mode') && ini_get('open_basedir')) {
// $post参数必须为GET
if ('GET' == $post) {
// 安全模式时将头文件的信息作为数据流输出
curl_setopt($curl, CURLOPT_HEADER, true);
// 安全模式采用连续抓取
curl_setopt($curl, CURLOPT_NOBODY, true);
}
} else {
curl_setopt($curl, CURLOPT_HEADER, false);
// 允许跳转10次
curl_setopt($curl, CURLOPT_MAXREDIRS, 10);
// 使用自动跳转,返回最后的Location
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, true);
}
$ua1 = 'Mozilla/5.0 (iPhone; CPU iPhone OS 13_2_3 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.0.3 Mobile/15E148 Safari/604.1';
$ua = empty($_SERVER["HTTP_USER_AGENT"]) ? $ua1 : $_SERVER["HTTP_USER_AGENT"];
curl_setopt($curl, CURLOPT_USERAGENT, $ua);
// 兼容HTTPS
if (FALSE !== stripos($url, 'https://')) {
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
//ssl版本控制
//curl_setopt($curl, CURLOPT_SSLVERSION, CURL_SSLVERSION_TLSv1);
curl_setopt($curl, CURLOPT_SSLVERSION, true);
}
$header = array('Content-type: application/x-www-form-urlencoded;charset=UTF-8', 'X-Requested-With: XMLHttpRequest');
$cookie and $header[] = "Cookie: $cookie";
curl_setopt($curl, CURLOPT_HTTPHEADER, $header);
if ($post) {
// POST
curl_setopt($curl, CURLOPT_POST, true);
// 自动设置Referer
curl_setopt($curl, CURLOPT_AUTOREFERER, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $post);
}
if ($ms) {
curl_setopt($curl, CURLOPT_NOSIGNAL, true); // 设置毫秒超时
curl_setopt($curl, CURLOPT_TIMEOUT_MS, intval($timeout)); // 超时毫秒
} else {
curl_setopt($curl, CURLOPT_TIMEOUT, intval($timeout)); // 秒超时
}
//优先解析 IPv6 超时后IPv4
//curl_setopt($curl, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
curl_setopt($curl, CURLOPT_ENCODING, 'gzip');
// 返回执行结果
$output = curl_exec($curl);
// 有效URL,输出URL非URL页面内容 CURLOPT_RETURNTRANSFER 必须为false
'GET' == $post and $output = curl_getinfo($curl, CURLINFO_EFFECTIVE_URL);
curl_close($curl);
return $output;
}
function save_image($img)
{
$ch = curl_init();
// 设定请求的RUL
curl_setopt($ch, CURLOPT_URL, $img);
// 设定返回信息中包含响应信息头 启用时会将头文件的信息作为数据流输出
//curl_setopt($ch, CURLOPT_HEADER, false);
//curl_setopt($ch, CURLOPT_USERAGENT, $_SERVER["HTTP_USER_AGENT"]);
// true表示$html,false表示echo $html
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 10);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
//curl_setopt($ch, CURLOPT_BINARYTRANSFER, 1);
//curl_setopt($ch, CURLOPT_FOLLOWLOCATION, 0);
curl_setopt($ch, CURLOPT_ENCODING, 'gzip');
$output = curl_exec($ch);
curl_close($ch);
return $output;
}
// 计算字串宽度:剧中对齐(字体大小/字串内容/字体链接/背景宽度/倍数)
function calculate_str_width($size, $str, $font, $width, $multiple = 2)
{
$box = imagettfbbox($size, 0, $font, $str);
return ($width - $box[4] - $box[6]) / $multiple;
}
// 搜索目录下的文件 比对文件后缀
function search_directory($path)
{
if (is_dir($path)) {
$paths = scandir($path);
foreach ($paths as $val) {
$sub_path = $path . '/' . $val;
if ('.' == $val || '..' == $val) {
continue;
} else if (is_dir($sub_path)) {
//echo '目录名:' . $val . ' ';
search_directory($sub_path);
} else {
//echo ' 最底层文件: ' . $path . '/' . $val . '
';
$ext = strtolower(file_ext($sub_path));
if (in_array($ext, array('php', 'asp', 'jsp', 'cgi', 'exe', 'dll'), TRUE)) {
echo '异常文件:' . $sub_path . ' ';
}
}
}
}
}
// 一维数组转字符串 $sign待签名字符串 $url为urlencode转码GET参数字符串
function array_to_string($arr, &$sign = '', &$url = '')
{
if (count($arr) != count($arr, 1)) throw new Exception('Does not support multi-dimensional array to string');
// 注销签名
unset($arr['sign']);
// 排序
ksort($arr);
reset($arr);
// 转字符串做签名
$url = '';
$sign = '';
foreach ($arr as $key => $val) {
if (empty($val) || is_array($val)) continue;
$url .= $key . '=' . urlencode($val) . '&';
$sign .= $key . '=' . $val . '&';
}
$url = substr($url, 0, -1);
$url = htmlspecialchars($url);
$sign = substr($sign, 0, -1);
}
// 私钥生成签名
function rsa_create_sign($data, $key, $sign_type = 'RSA')
{
if (!function_exists('openssl_sign')) throw new Exception('OpenSSL extension is not enabled');
if (!defined('OPENSSL_ALGO_SHA256')) throw new Exception('Only versions above PHP 5.4.8 support SHA256');
$key = wordwrap($key, 64, "\n", true);
if (FALSE === $key) throw new Exception('Private Key Error');
$key = "-----BEGIN RSA PRIVATE KEY-----\n$key\n-----END RSA PRIVATE KEY-----";
if ('RSA2' == $sign_type) {
openssl_sign($data, $sign, $key, OPENSSL_ALGO_SHA256);
} else {
openssl_sign($data, $sign, $key, OPENSSL_ALGO_SHA1);
}
// 加密
return base64_encode($sign);
}
// 公钥验证签名
function rsa_verify_sign($data, $sign, $key, $sign_type = 'RSA')
{
$key = wordwrap($key, 64, "\n", true);
if (FALSE === $key) throw new Exception('Public Key Error');
$key = "-----BEGIN PUBLIC KEY-----\n$key\n-----END PUBLIC KEY-----";
// 签名正确返回1 签名不正确返回0 错误-1
if ('RSA2' == $sign_type) {
$result = openssl_verify($data, base64_decode($sign), $key, OPENSSL_ALGO_SHA256);
} else {
$result = openssl_verify($data, base64_decode($sign), $key, OPENSSL_ALGO_SHA1);
}
return $result === 1;
}
// Array to xml array('appid' => 'appid', 'code' => 'success')
function array_to_xml($arr)
{
if (!is_array($arr) || empty($arr)) throw new Exception('Array Error');
$xml = "";
foreach ($arr as $key => $val) {
if (is_numeric($val)) {
$xml .= "<" . $key . ">" . $val . "" . $key . ">";
} else {
$xml .= "<" . $key . ">" . $key . ">";
}
}
$xml .= " ";
return $xml;
}
// Xml to array
function xml_to_array($xml)
{
if (!$xml) throw new Exception('XML error');
$old = libxml_disable_entity_loader(true);
// xml解析
$result = (array)simplexml_load_string($xml, null, LIBXML_NOCDATA | LIBXML_COMPACT);
// 恢复旧值
if (FALSE === $old) libxml_disable_entity_loader(false);
return $result;
}
// 逐行读取
function well_import($file)
{
if ($handle = fopen($file, 'r')) {
while (!feof($handle)) {
yield trim(fgets($handle));
}
fclose($handle);
}
}
// 计算总行数
function well_import_total($file, $key = 'well_import_total')
{
static $cache = array();
if (isset($cache[$key])) return $cache[$key];
$count = cache_get($key);
if (NULL === $count) {
$count = 0;
$globs = well_import($file);
while ($globs->valid()) {
++$count;
$globs->next(); // 指向下一个
}
$count and cache_set($key, $count, 300);
}
return $cache[$key] = $count;
}
$g_dir_file = FALSE;
function well_search_dir($path)
{
global $g_dir_file;
FALSE === $g_dir_file and $g_dir_file = array();
if (is_dir($path)) {
$paths = scandir($path);
foreach ($paths as $val) {
$sub_path = $path . '/' . $val;
if ('.' == $val || '..' == $val) {
continue;
} else if (is_dir($sub_path)) {
well_search_dir($sub_path);
} else {
$g_dir_file[] = $sub_path;
}
}
}
return $g_dir_file;
}
?>How can I display an array of images in HTML using javascript? - Stack Overflow 你的位置:
首页 > programmer > How can I display an array of images in HTML using javascript? - Stack Overflow I am trying to create a contacts page and trying to populate the contacts image and name. I am able to display the array of names but not the array of pictures. Just the first picture is displayed.
I am also trying to align the contact and the image in one row. But the contact image is
displayed first then the contact name is displayed.
Here goes the code:
<script language="javascript" type="text/javascript">
function showContacts()
{
var myContacts=["abc","def","xyz"]; // literal array
for (var i=0;i<myContacts.length;i++)
{
document.getElementById('contact').innerHTML += myContacts[i]+"<br>";
//document.write(myArray[i]);
}
}
function preloader()
{
var myPhoto=["some photos"]; // literal array
// create object
var img=document.getElementById('photo');
// start preloading
for(var i=0; i< myPhoto.length; i++)
{
img.src += myPhoto[i]+"<br>";
//document.write(i);
//img.setAttribute('src',myPhoto[i]);
}
}
</SCRIPT>
<body onload="showContacts();preloader();">
<table width="100%" style="height: 100%;" border="0"><tr>
<col colspan="1" ><image id="photo"/>
<col colspan="1" ><p id="contact"/>
</tr></table>
</body>
</html>
What am I missing?
I am trying to create a contacts page and trying to populate the contacts image and name. I am able to display the array of names but not the array of pictures. Just the first picture is displayed.
I am also trying to align the contact and the image in one row. But the contact image is
displayed first then the contact name is displayed.
Here goes the code:
<script language="javascript" type="text/javascript">
function showContacts()
{
var myContacts=["abc","def","xyz"]; // literal array
for (var i=0;i<myContacts.length;i++)
{
document.getElementById('contact').innerHTML += myContacts[i]+"<br>";
//document.write(myArray[i]);
}
}
function preloader()
{
var myPhoto=["some photos"]; // literal array
// create object
var img=document.getElementById('photo');
// start preloading
for(var i=0; i< myPhoto.length; i++)
{
img.src += myPhoto[i]+"<br>";
//document.write(i);
//img.setAttribute('src',myPhoto[i]);
}
}
</SCRIPT>
<body onload="showContacts();preloader();">
<table width="100%" style="height: 100%;" border="0"><tr>
<col colspan="1" ><image id="photo"/>
<col colspan="1" ><p id="contact"/>
</tr></table>
</body>
</html>
What am I missing?
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edited Jun 16, 2011 at 1:40
the Tin Man
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asked Jun 16, 2011 at 1:01
PreethiPreethi
2,162 7 7 gold badges 38 38 silver badges 54 54 bronze badges
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2 Answers
2
Sorted by:
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4
You need to add multiple images to the page. You can do that in javascript.
<table width="100%" style="height: 100%;" border="0">
<tr>
<td><p id="photos" /></td>
<td><p id="contacts" /></td>
</tr>
</table>
var container = document.getElementById("photos");
for (var i=0, len = myPhoto.length; i < len; ++i) {
var img = new Image();
img.src = myPhoto[i];
container.appendChild(img);
}
UPDATE: this is a simple demo how to add multiple images to the DOM. What you probably want to achieve is that you have multiple table rows with one name & image per row. To acplish that, you have to create/append new rows/cells using document.createElement (or a framework like jQuery).
UPDATE 2 - added a demo which adds multiple rows (one per contact):
http://jsfiddle/roberkules/WRgjv/
Your HTML is invalid, you need something like:
<table>
<colgroup>
<col ...>
<colgroup>
<col ...>
<tr>
<td><img id="image0" ...>
<td><p id="contact0" ...>
<tr>
<td><img id="image1" ...>
<td><p id="contact1" ...>
...
</table>
Read the HTML 4.01 specification for table elements and use the W3C validator to check markup.
The "preloader" script is not doing what you might think, roberkules' answer is on the right track.