php 生成图片 - Githubissues

mingyun commented 7 years ago

<?php
error_reporting(7);
define('ROOT', getcwd());
define('BASEDIR', parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH));
if ($_POST['text']) {
    $ret  = array();
    $text = $_POST['text'];
    try {
        $ret['imgurl'] = text2img($text, (array) $_REQUEST['config']);
    }
    catch (Exception $e) {
        $ret['imgurl'] = print_r($e, true);
    }
    echo str_replace('\\/', '/', json_encode($ret));
    exit(0);
}
function text2img($text, $options = array())
{

    //http://yuncode.net/code/c_51dd01a4d547f26
    $rows      = substr_count($text, "\n") + 1;
    $font_path = $options['fontfile'] ? $options['fontfile'] : ROOT . '/simhei.ttf';//cp /c/Windows/Fonts/simhei.ttf .
    if (!file_exists($font_path))
        throw new Exception(" 找不到字体文件：$font_path  ");
    $font_size       = $options['fontsize'] ? $options['fontsize'] : 12;
    $padding         = $options['padding'] ? $options['padding'] : 30;
    $row_plus_height = $options['row_plus_height'] ? $options['row_plus_height'] : 4;
    $border          = 1;
    $im_width        = 430;
    $im_height       = ($row_plus_height + ($font_size * 4) / 3) * $rows + ($padding + $border) * 2;
    $im              = @imagecreatetruecolor($im_width, $im_height);
    if (!$im)
        throw new Exception("初始化图片失败，请检查 GD 配置");
    imagefilledrectangle($im, $border, $border, ($im_width - 2 * $border), ($im_height - 2 * $border), imagecolorallocate($im, 255, 255, 255));
    imagettftext($im, $font_size, 0, ($border + $padding), (($font_size * 4) / 3 + $border + $padding), imagecolorallocate($im, 0, 0, 0), $font_path, $text);
    $base_path      = '/files';
    $base_filename  = date("Y-m-d,H-i-s") . '.png';
    $short_filename = $base_path . '/' . $base_filename;
    $short_url      = rtrim(BASEDIR, '/') . $short_filename;
    @mkdir(ROOT . $base_path, 0777, true);
    $filename = ROOT . $short_filename;
    if (!imagepng($im, $filename)) {
        throw new Exception("创建图片时出错。");
    }
    @imagedestroy($im);
    return $short_url;
}

?>

<!DOCTYPE HTML><html><head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>长微博工具</title>
<script type="text/javascript" src="http://lib.sinaapp.com/js/jquery/1.6.2/jquery.min.js"></script> 
</head>
<body>
<h1>长微博工具</h1>
<p><textarea name="text" id="text" rows="20" cols="60"></textarea></p>
<pre id="pre"></pre>
<p><a target="_blank" href="" id="url"></a></p>
<p><input type="button" id="format" value="格式化" /><input type="button" id="button" value="生成长微博" /> <br/><br/><br/><br/> <a href="http://changweibo.debake.com/" style="font-size:9px; color:#666; text-decoration:none">长微博</a></p>
<script type="text/javascript">
BIG_FONT_WIDTH = 44;

function f(v,w,c){
    c = 0;
    w = w || BIG_FONT_WIDTH;
    return v.replace(/[\S\s]/g,function(a){
        if(/[\r\n]/.test(a)) {
            c = -2;
            return "\r\n";
        }
        c += /[\x00-\xFF]/.test(a) ? 1 : 2;
        if(c>=w){
            c = 0;
            return "\r\n"+a;
        }
        return a;
    });
}
$(function(){
    $("#format").click(function(){$("#text").val(f($("#text").val()));});
    $("#button").click(function(){
        if($("#text").val().length<1){
            alert("无内容");
        } else {
            $.ajax({
                type:"POST",
                url:location.pathname,
                data:"text="+$("#text").val(),
                dataType:"json",
                success:function(m){
                    if(m.message)$("#pre").innerHTML(m.message);
                    if(m.imgurl)$("#url").attr("href", m.imgurl).text(m.imgurl);
                }
            });
        }
    });
});
</script>
</body>
</html>
//https://github.com/xiaomingplus/text2pic https://www.canva.com/ 图片相似度https://github.com/jenssegers/imagehash 
/*
* array unique_rand( int $min, int $max, int $num )
* 生成一定数量的不重复随机数
* $min 和 $max: 指定随机数的范围
* $num: 指定生成数量http://yuncode.net/code/c_54793886b082e24
*/
function unique_rand($min, $max, $num) {
    $count = 0;
    $return = array();
    while ($count < $num) {
        $return[] = mt_rand($min, $max);
        $return = array_flip(array_flip($return));
        $count = count($return);
    }
    shuffle($return);
    return $return;
}

$arr = unique_rand(1, 25, 16);

mingyun commented 7 years ago

$figureDataRaw=[['user_id'=>1,'fee'=>3],['user_id'=>10,'fee'=>30000],['user_id'=>100,'fee'=>34512],['user_id'=>666,'fee'=>66666]];
$spans =[
            '5万以下' => [0, 50000],
            '5万-10万' => [50000, 100000],
            '10万-20万' => [100000, 200000],
            '20万-50万' => [200000, 500000],
            '50万-100万' => [500000, 1000000],
            '100万以上' => [1000000, '~']
        ];
        $figureData = [];
        // 初始化表格数据
        foreach ($spans as $name => $spanItem){
            $figureData[$name] = 0;
        }
        foreach ($figureDataRaw as $row){
            foreach ($spans as $name => $span) {
                $leftBound = $span[0];
                $rightBound = $span[1];

                if($row['fee'] > $leftBound && ($row['fee'] <= $rightBound || $rightBound == '~')){
                    if(isset($figureData[$name])){
                        $figureData[$name]+=1;
                    }else{
                        $figureData[$name] = 0;
                    }
                }

            }
        }
        print_r($figureData);
Array
(
    [5万以下] => 3
    [5万-10万] => 1
    [10万-20万] => 0
    [20万-50万] => 0
    [50万-100万] => 0
    [100万以上] => 0
)
$datesStr = implode("','", $unCachedDates);
$sql = 'select DATE_FORMAT(user_vips.created_at, \'%Y-%m-%d\') date, count(*) count from user_vips join users on users.id=user_vips.user_id where  user_vips.is_payed = 1 and users.parent_id=0 and DATE_FORMAT(user_vips.created_at, \'%Y-%m-%d\') in (\''.$datesStr.'\') group by date';
$start_times = Date("Y-m")."-01 00:00:00";
$week_start = Date("Y-m-d",strtotime('last Monday'))." 00:00:00";
>>> Date("Y-m-d",strtotime('-2 Monday'))
=> "2017-09-18"
$d = new DateTime( '2010-01-08' );
$d->modify( 'first day of next month' );//$d->modify( 'first day of +1 month' );
        if(date("m",strtotime($week_start))!=date("m")){
            $week_start = $start_times;
        }
        $week_end = Date("Y-m-d",strtotime('next Sunday'))." 23:59:59";

$file = $this->request->file('resfile');
$file_src=Upload::uploadFileLocal($file,'exel');//echo $file_src;die;
            $file_src=storage_path().DIRECTORY_SEPARATOR."upload".DIRECTORY_SEPARATOR.$file_src;
            $data_arr = Excel::selectSheets('Sheet1')->load($file_src, function($reader) {})->toArray();
            if(file_exists($file_src)){
                @unlink($file_src);
            }
function checkStingAllow($value)
    {
        $value = trim($value);
        $value = trim($value, "\xEF\xBB\xBF");

        if (mb_strwidth($value, 'utf-8') > 16) {//中文2个字符英文1个
            throw new \Exception('字符长度超过限制');
        }

        $strMatch = "/^[\w\x{4e00}-\x{9fa5}]+$/u";

        if (!preg_match_all($strMatch, $value)) {
            throw new \Exception('当前处理数据中有特殊字符');
        }
    }
$file = Request::file('suggest_batch');

        $file = file_get_contents($file->getRealPath());
select max(count) from (select DATE_FORMAT(created_at, '%Y-%m-%d') date, count(*) count from users group by date) t;
gethostbyname('')//本机ip

小人举牌图片生成抓取网页截图https://www.v2ex.com/t/71136 https://gist.github.com/vibbow/5702882 网页截图https://wkhtmltopdf.org/downloads.html wkhtmltoimage http://www.oschina.net/ oschina.jpg 如果wkhtmltopdf中文显示空白或者乱码方框，打开windows c:\Windows\fonts\simsun.ttc（在网上下载simsun.ttc也可以）拷贝到linux服务器/usr/share/fonts/目录下,再次生成pdf中文显示正常 http://blog.csdn.net/qq_14873105/article/details/51394026 $r=shell_exec("/user/bin/wkhtmltoimage -q {$filename}.html {$filename}.jpg"); php文字生成图片https://github.com/xiaomingplus/text2pic 中文字体/c/windows/fonts/sihei.ttf

https://github.com/mikehaertl/phpwkhtmltopdf  https://stackoverflow.com/questions/5663814/how-do-i-get-wkhtmltopdf-to-execute-via-php https://github.com/knplabs/snappy http://www.jianshu.com/p/4d65857ffe5e
exec("/path/to/binary/wkhtmltopdf http://www.google.com pdf1.pdf", $out);
exec('wkhtmltopdf http://somesite.com /home/user/file.pdf 2>&1');
exec("/usr/local/bin/wkhtmltopdf ../uploads/test.pdf");
$file = "../uploads/test.pdf";
$pdf = file_get_contents("../uploads/test.pdf");

header('Content-Type: application/pdf');
header('Cache-Control: public, must-revalidate, max-age=0'); // HTTP/1.1
header('Pragma: public');
header('Expires: Sat, 26 Jul 1997 05:00:00 GMT'); // Date in the past
header('Last-Modified: '.gmdate('D, d M Y H:i:s').' GMT');
header('Content-Length: '.strlen($pdf));
header('Content-Disposition: inline; filename="'.basename($file).'";');
ob_clean(); 
flush(); 
echo $pdf;

composer require mikehaertl/phpwkhtmltopdf
require './vendor/autoload.php';
use mikehaertl\wkhtmlto\Image;
use Knp\Snappy\Pdf as newpdf;
// You can pass a filename, a HTML string, an URL or an options array to the constructor
$image = new Image('/path/to/page.html');
$image->saveAs('/path/to/page.png');//保存

// ... or send to client for inline display
$image->send();//浏览器显示

// ... or send to client as file download
$image->send('page.png');//浏览器显示并下载

$snappy = new newpdf('wkhtmltopdf');
header('Content-Type: application/pdf');
header('Content-Disposition: attachment; filename="file.pdf"');
// echo $snappy->getOutput('http://www.github.com');
$snappy->generateFromHtml('<h1>Bill</h1><p>You owe me money, dude.</p>', 'bill-123.pdf');
http://blog.csdn.net/aa584235166/article/details/50512338 http://blog.csdn.net/zgyulongfei/article/details/48845373
function ip2num($ip)
{
$ipa=explode(".",$ip);
return $ipa[0]*256*256*256+$ipa[1]*256*256+$ipa[2]*256+$ipa[3];
}
>>> import socket
>>> import struct
>>> ip = '119.75.218.77'
>>> num_ip=socket.ntohl(struct.unpack("I",socket.inet_aton(str(ip)))[0])
>>> num_ip
2001459789L
>>> ip = socket.inet_ntoa(struct.pack('I',socket.htonl(num_ip)))
>>> ip
'119.75.218.77'

查看Windows 7的历史开机/关机时间https://blog.vsean.net/page/8 https://blog.vsean.net/post/178