css截取文本长度

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Text Overflow Example</title>
    <style>
        .truncate {
            width: 200px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
    </style>
</head>
<body>
    <div class="truncate">
        This is a very long text that will be truncated with an ellipsis.
    </div>
</body>
</html>

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Multi-line Text Overflow Example</title>
    <style>
        .truncate {
            width: 200px;
            display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
            text-overflow: ellipsis;
        }
    </style>
</head>
<body>
    <div class="truncate">
        This is a very long text that will be truncated to two lines with an ellipsis. This is a very long text that will be truncated to two lines with an ellipsis.
    </div>
</body>
</html>