玛氪宕·梦魔(Markdown Memo)，使用Markdown的云端备忘录，百度IFE的RIA启航班的不合格的作业，才……才没有什么阴谋呢！
源gitee链接https://gitee.com/arathi/MarkdownMemo?_from=gitee_search
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95 lines
3.8 KiB
95 lines
3.8 KiB
<!DOCTYPE html>
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<html lang="zh">
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<head>
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<meta charset="utf-8" />
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<title>图片跨域上传示例 - Editor.md examples</title>
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<link rel="stylesheet" href="css/style.css" />
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<link rel="stylesheet" href="../dist/css/editormd.css" />
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</head>
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<body>
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<div id="layout" style="height: 2000px;background: #f6f6f6;">
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<header>
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<h1>图片跨域上传示例</h1>
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<p>Image cross-domain upload example.</p>
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<p>由于复印件</p>
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</header>
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<div id="test-editormd">
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<textarea style="display:none;">####跨域上传原理
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利用iframe来实现，A站POST到B站，B站处理上传后再跳转回到A站的callback页面，callback页面此时在iframe内（即同域下），再通过window.parent就可以操作父页面的任意元素了。
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####跨域上传示例PHP版
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当前域名：blog.xxx.com/post.php
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```html
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<form method="post" target="upload-iframe" enctype="multipart/form-data" action="http://static.xxx.com/uploader.php?callback=http://blog.xxx.com/upload-callback.html">
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<input type="file" name="file" accept="image/*" />
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<input type="submit" id="submit" value="开始上传" />
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</form>
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<iframe name="upload-iframe" style="display:none;" frameborder="0"></iframe>
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```
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图片服务器：static.xxx.com/uploader.php
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```php
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<?php
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$file = 'uploads/' . $_FILES['file']['name'];
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// 详细过程略
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move_uploaded_file($_FILES['file']['tmp_name'], $file);
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$location = $_GET['callback'].'?success=1&message=xxxxxxx&url=http://static.xxx.com/2015/02/15'.$file.'&temp='.date('ymdhis');
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header('location:' . $location);
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exit;
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?>
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```
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当前域名：blog.xxx.com/upload-callback.html
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```html
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<script type="text/javascript">
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var query = {};
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var urlParams = window.location.search.split('?')[1];
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urlParams = urlParams.split("&");
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for (var i = 0; i< urlParams.length; i++) {
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var param = urlParams[i].split("=");
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query[param[0]] = param[1];
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}
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var imageDialog = window.parent.document.getElementById(query['dialog_id']);
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//console.log(imageDialog, window.parent.document, window.parent, query);
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</script>
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```</textarea>
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</div>
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</div>
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<script src="../lib/jquery.min.js"></script>
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<script src="../src/js/editormd.js"></script>
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<script type="text/javascript">
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$(function() {
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var testEditor = editormd("test-editormd", {
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width : "90%",
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height : 640,
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markdown : "",
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path : '../lib/',
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imageUpload : true,
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imageFormats : ["jpg", "jpeg", "gif", "png", "bmp", "webp"],
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imageUploadURL : "http://www.ipandao.com/editor.md/examples/php/cross-domain-upload.php",
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crossDomainUpload : true,
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uploadCallbackURL : "http://localhost/editor.md/examples/php/upload_callback.html"
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/*
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跨域时，上传的图片服务器后台只需要返回一个跳转URL并跳转到原页面同域下的callback页面，结构如下：
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{
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success : 0 | 1, // 0表示上传失败，1表示上传成功
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message : "提示的信息，上传成功或上传失败及错误信息等。",
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dialog_id : $_GET['dialog_id'],
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url : "远程图片地址" // 上传成功时才返回
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}
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*/
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});
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});
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</script>
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</body>
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</html>
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