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js实现各种复制功能

引用：

<script src="https://clipboardjs.com//dist/clipboard.min.js"></script>

示例1：

提示：点击Copy按钮，把“hello”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>target-input</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <input id="foo" type="text" value="hello">
    <button class="btn" data-clipboard-action="copy" data-clipboard-target="#foo">Copy</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
    var clipboard = new Clipboard('.btn');

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例2：

提示：点击Cut按钮，把“hello”剪切到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>target-textarea</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <textarea id="bar">hello</textarea>
    <button class="btn" data-clipboard-action="cut" data-clipboard-target="#bar">Cut</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
    var clipboard = new Clipboard('.btn');

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例3：
hello

提示：点击Copy按钮，把“hello”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>target-div</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <div>hello</div>
    <button class="btn" data-clipboard-action="copy" data-clipboard-target="div">Copy</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
    var clipboard = new Clipboard('.btn');

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例4：

提示：点击Copy按钮，把“to be or not to be”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>function-text</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <button class="btn">Copy</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
    var clipboard = new Clipboard('.btn', {
        text: function() {
            return 'to be or not to be';
        }
    });

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例5：

hello
提示：点击Copy按钮，把“hello”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>function-target</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <button class="btn">Copy</button>
    <div>hello</div>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard -->
    <script>
    var clipboard = new Clipboard('.btn', {
        target: function() {
            return document.querySelector('div');
        }
    });

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例6：

提示：
点击第一个Copy按钮，把“1”复制到剪贴板。
点击第二个Copy按钮，把“2”复制到剪贴板。
点击第三个Copy按钮，把“3”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>constructor-selector</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <button class="btn" data-clipboard-text="1">Copy</button>
    <button class="btn" data-clipboard-text="2">Copy</button>
    <button class="btn" data-clipboard-text="3">Copy</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard by passing a string selector -->
    <script>
    var clipboard = new Clipboard('.btn');

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例7：

提示：
点击第一个Copy按钮，把“1”复制到剪贴板。
点击第二个Copy按钮，把“2”复制到剪贴板。
点击第三个Copy按钮，把“3”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>constructor-nodelist</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <button data-clipboard-text="1">Copy</button>
    <button data-clipboard-text="2">Copy</button>
    <button data-clipboard-text="3">Copy</button>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard by passing a list of HTML elements -->
    <script>
    var btns = document.querySelectorAll('button');
    var clipboard = new Clipboard(btns);

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

示例8：
Copy
提示：点击Copy，把“1”复制到剪贴板。
html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>constructor-node</title>
    <meta name="viewport" content="width=device-width, initial-scale=1">
</head>
<body>
    <!-- 1. Define some markup -->
    <div id="btn" data-clipboard-text="1">
        <span>Copy</span>
    </div>

    <!-- 2. Include library -->
    <script src="../dist/clipboard.min.js"></script>

    <!-- 3. Instantiate clipboard by passing a HTML element -->
    <script>
    var btn = document.getElementById('btn');
    var clipboard = new Clipboard(btn);

    clipboard.on('success', function(e) {
        console.log(e);
    });

    clipboard.on('error', function(e) {
        console.log(e);
    });
    </script>
</body>
</html>

View Code

官方Demo:http://www.webkaka.com/Blog/ARCHIVES/demo/clipboard.js-master/demo/

查看全文

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原文地址：https://www.cnblogs.com/romanticcrystal/p/11422084.html