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使用clipboard.js复制示例

来源：欧得旅游网

代码示例为其demo示例

注：示例中的clipboard.min.js为https://github.com/zenorocha/clipboard.js/tree/master/src的clipboard.js

1.复制节点值，下面示例事先对列表中的data-clipboard-text赋值，点击元素就会复制其属性值

<!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>

以及这种方式：

<!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>

2.复制指定元素，下面事例对指定的标签元素进行复制

<!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>

以及这种方式，指定了要复制的是一个div标签的元素

<!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>

3.动态复制值，下面示例在初始化clipboard对象时，通过text对所要复制的内容进行复制

<!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>

4.对指定输入框或文本域的内容进行复制

输入框：

<!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>

文本域：

<!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>

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