我在BLOB列的SQL Server数据库中有一些图片。
我需要获取它们并显示到HTML页面。
但是在HTML页面的结果中,我在src
属性中有长字符串而不是图片。
Silex代码:
<!-- language-all: php -->
$pict->get('/show_pic/{id}', function ($id) use ($app) {
//Request of photos
$photos=getPhotoByID($id, $app);
return $app['twig']->render('test/template_show_pictures.html.twig', array('photos'=>$photos));
})->bind('show_pic');
function getPhotoByID($ID, $app)
{
$sql = "<some SQL here>";
$statement = $app['dbs']['mssql']->prepare($sql);
$statement->bindValue(1, $ID, "text");
$statement->execute();
$photo = $statement->fetchAll();
if (empty($photo)) {
return "We don't have a photo with id=".$ID;
}
return $photo;
}
Twig文件:
<!-- language: twig -->
{% extends 'test/test_base.html.twig' %}
{% block title %}Pictures from DB{% endblock %}
{% block content %}
{% for im in photos %}
<img alt="Embedded Image" src="data:image/jpeg;base64,{{ im['Foto'] }}" />
{% endfor %}
{% endblock %}
HTML标记:
<!-- language: lang-html -->
<!DOCTYPE html>
<html>
<head>
<title>Pictures from DB</title>
<link rel="stylesheet" href="/css/print.css">
</head>
<body>
<div class="page">
<img alt="Embedded Image" src="data:image/jpeg;base64,���JFIF...too many symbols here" />
</div>
</body>
</html>
它出了什么问题?
答案 0 :(得分:2)
您应该使用base64编码图像
将用于编码的过滤器添加到base64:
<?php
$password = "<!\\\\*$troll'*\\\#!>";
echo "<pre>";
echo htmlentities($password);
echo "</pre>";
并在模板中使用它:
$app->extend('twig', function ($twig, $app) {
$twig->addFilter('base64_encode', new \Twig_SimpleFilter('base64_encode', function ($value) {
return \base64_encode($value);
}));
return $twig;
});