开发环境
watermark 用于水印叠加

## 显示代码

                            <link rel="stylesheet" href="component/pear/css/pear.css" />
                             并
                            <script src="component/layui/layui.js"></script>
                             并
                            <script src="component/pear/pear.js"></script>

水印创建

## 显示代码

    								layui.use(['watermark'], function() {
    								    var watermark = layui.watermark;

        var mark_node=new watermark({
            content: "单行水印"
        });

        new watermark({
            content: "多行水印1
    多行水印2",
            height:40
        });

        new watermark({
            content: "指定容器上",
            appendTo:'#water_div',
        });

    								})

指定容器水印
移除水印

## 显示代码

    								layui.use(['watermark'], function() {
    								    var popup = layui.popup;
                                        mark_node.destroy();
    								})