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share.php
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share.php
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<?php
header( 'Content-Type:text/html;charset=utf-8');
require_once("apis/config/pdo.class.php");
require_once("apis/config/config.init.php");
require_once("apis/config/function.php");
$openid = $_GET['openid'];
$maxMoney = $_GET['maxMoney'];
if(!$openid){
echo "页面错误";exit;
}
//根据openid获取用户的基本信息
$sql = "select * from ak_red_users where openid='{$openid}' and status=1";
$users = $pdo->query($sql, "row");
$headimgurl = $users['headimgurl']; //图像
$share_pwd = $users['share_pwd']; //该用户的分享的红包口令
//远程的图片保存到本地
$res = getImage($headimgurl, 'statics/images/headimg', $openid.".jpg", 1);
?>
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="user-scalable=no,width=device-width,initial-scale=1.0"/>
<title>分享抢红包</title>
<meta name="keywords" content=""/>
<meta name="description" content=""/>
<link rel="stylesheet" href="statics/css/reset.css"/>
<link rel="stylesheet" href="statics/css/share.css"/>
<meta name="x5-fullscreen" content="true">
<meta name="full-screen" content="yes">
</head>
<body>
<div class="big-imgs"><img src="statics/images/share-bg.jpg"/></div>
<!-- headimg -->
<div class="headimg">
<img src="statics/images/headimg/<?php echo $openid?>.jpg"/>
</div>
<!-- maxMoney -->
<div class="maxMoney"><?php echo $maxMoney;?></div>
<!-- share-pwd -->
<div class="share-pwd">分享口令：<?php echo $share_pwd;?></div>
<div class="share-img" style="position:absolute;left:0;right:0;top:0;bottom:0;display:none;z-index:9;">
<img style="max-width:100%;" src="" id="share-img-res"/>
</div>
<script src="statics/js/common.js"></script>
<script src="statics/js/html2canvas.js"></script>
<script src="statics/js/canvas2image.js"></script>
<script>
document.body.addEventListener('touchmove', function(evt) {
if(!evt._isScroller) {
evt.preventDefault();
}
});
/*******************************************************************************************/
window.onload = function(){
document.querySelector(".share-img").style.display = "block";
var shareContent = document.documentElement;
console.log(shareContent);
var width = shareContent.clientWidth; //获取dom 宽度
var height = shareContent.clientHeight; //获取dom 高度
var canvas = document.createElement("canvas"); //创建一个canvas节点
var scale = 2; //定义任意放大倍数 支持小数
canvas.width = width * scale; //定义canvas 宽度 * 缩放
canvas.height = height * scale; //定义canvas高度 *缩放
canvas.getContext("2d").scale(scale,scale); //获取context,设置scale
var opts = {
scale:scale, // 添加的scale 参数
canvas:canvas, //自定义 canvas
logging: false, //日志开关
width:width, //dom 原始宽度
height:height //dom 原始高度
};
html2canvas(shareContent, opts).then(function (canvas) {
var img = Canvas2Image.convertToImage(canvas, canvas.width, canvas.height);
//console.log(img.src);
document.querySelector("#share-img-res").src = img.src;
});
};
</script>
</body>
</html>