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iframe & cors

iframe & cors



<!DOCTYPE html>
<html lang="zh-Hans">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <meta name="author" content="xgqfrms">
    <meta name="generator" content="VS code">
    <title>window.open() & iframe</title>
    <style>
        *{
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        [data-dom="alink"]{
            color: #0f0;
            cursor: pointer;
        }
        [data-dom="ul"]{
            height: 80vh;
            overflow: auto;
        }
        [data-layout="left"],
        [data-layout="right"],
        [data-layout="center"] {
            float: left;
        }
        [data-layout="left"] {
            width: calc(20vw);
            border: 1px solid #666;
        }
        [data-layout="right"] {
            margin-right: 10px;
            width: calc(37vw);
            /* border: 1px solid #ccc; */
        }
        [data-layout="center"] {
            margin-right: 10px;
            height: 80vh;
            width: calc(30vw);
            /* border: 1px solid #0f0; */
        }
        [data-dom="iframe"] {
            border: 1px solid red;
        }
        [data-dom="btn"] {
            border: 1px solid #39f;
            color: #666;
            border-radius: 5px;
            line-height: 23px;
            font-size: 14px;
            padding: 12px;
            margin: 5px;
            cursor: pointer;
        }
        [data-dom="btn"]:hover {
            border: 1px solid #0f0;
            color: #000;
        }
    </style>
</head>
<body>
    <section>
        <div data-layout="header">
            <button data-dom="btn" onclick="importLinks()">导入测试资讯链接</button>
            <button data-dom="btn" onclick="showLinks()">一键生成资讯链接</button>
        </div>
        <div data-layout="left">
            <ol data-dom="ul"></ol>
            <!-- <ul data-dom="ul"></ul> -->
        </div>
        <div data-layout="center">
            <textarea
                data-dom="textarea"
                style="font-size: 14px;"
                cols="75"
                rows="42"
                autofocus
                title="请输入要测试的资讯 URL 列表(注意: URL \n 换行分割)!"
                placeholder="请输入要测试的资讯 URL 列表(注意: URL \n 换行分割)!">
            </textarea>
        </div>
        <div data-layout="right">
            <iframe
                name="iframeWindow"
                src=""
                width="600"
                height="800"
                data-dom="iframe"
            >
            </iframe>
        </div>
    </section>
    <script>
        const importLinks = () => {
            let textarea = document.querySelector(`[data-dom="textarea"]`);
            links = ["https://photo.sina.cn", "https://nba.sina.cn/", "https://tech.sina.cn/"];
            let alinks = links.join(`\n`) || ``;
            textarea.value = ``;
            textarea.value = `${alinks}`;
            // textarea.insertAdjacentHTML(`beforeend`, alinks);
        };
        const getLinks = () => {
            let textarea = document.querySelector(`[data-dom="textarea"]`);
            let links =[];
            if (textarea.value.includes(`\n`)) {
                links = textarea.value.split(`\n`);
            } else {
                // alert(`请先输入要测试的资讯 URL 列表!`);
            }
            // console.log(`links =`, links);
            return links;
        };
        const autoOpenIframe = (link = ``) => {
            // window.open(URL, name, specs, replace);
            if (link) {
                let iframe = document.querySelector(`[data-dom="iframe"]`);
                // console.log(`iframe =`, iframe);
                // console.log(`link =`, link);
                iframe.src = `${link}`;
                // // let iframeWindow = window.open(`${link}`, "iframeWindow", "width=600, height=400", false);
                // // window.open(`${link}`, "iframe", "width=600, height=400", false);
                // let iframeWindow = window.open("", "iframeWindow", "width=600, height=400", false);
                // // iframeWindow.document.write(`<iframe name="${link}" src="${link}"></iframe>`);
                // // iframeWindow.document.write(``);
                // iframeWindow.document.write(`
                //     <iframe
                //         name="${link}"
                //         src="${link}"
                //         width="600"
                //         height="400"
                //     >
                //     </iframe>
                // `);
            }
            // destroy window ???
        };
        const showLinks = () => {
            let links = getLinks();
            let ul = document.querySelector(`[data-dom="ul"]`);
            let lis = ``;
            if (links.length) {
                links.forEach(
                    (link, i) => {
                        lis += `
                            <li>
                                <span data-link="${link}" data-dom="alink">${link}</span>
                            </li>
                        `;
                    }
                );
                ul.insertAdjacentHTML(`beforeend`, lis);
                setTimeout(() => {
                    let alinks = [...document.querySelectorAll(`[data-dom="alink"]`)];
                    alinks.forEach(
                        (alink, i) => {
                            let onceFlag = alink.dataset.onceFlag || false;
                            if (!onceFlag) {
                                alink.dataset.onceFlag = true;
                                alink.addEventListener(`click`, () => {
                                    let link = alink.dataset.link || ``;
                                    alink.style.color = "#f00";
                                    autoOpenIframe(link);
                                });
                            }
                        }
                    );
                }, 0);
            } else {
                alert(`请先输入要测试的资讯 URL 列表!`);
            }
        };
    </script>
</body>
</html>

<!--
https://photo.sina.cn
https://nba.sina.cn/
https://tech.sina.cn/
-->

  1. CORS

  2. iframe

  3. document.domain

https://segmentfault.com/a/1190000000702539

postMessage

HTML5

X-Frame-Options

Refused to display 'https://www.zhihu.com/signup?next=%2F' in a frame because it set 'X-Frame-Options' to 'sameorigin'.

iframe & HTTPS & CORS

https://iframe.xgqfrms.xyz/eapp/index.html#blog.sina.cn

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posted @ 2019-02-15 18:20  xgqfrms  阅读(597)  评论(6)  编辑  收藏  举报