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How to use modularization in layui

王林

Nov 24, 2020 am 10:04 AM

layui Modular

layui uses a modular approach: follow layui's module specifications to create an entry file, and load the entry file through the layui.use() method, such as [layui.use(['layer'], function(){var layer = layui.layer}].

How to use modularization in layui

The operating environment of this tutorial: Windows 10 system, layui version 2.5.6, this method is suitable for all brands Computer.

(Learning video sharing: javascript video tutorial)

Modular use:

Note: The introduced JS is:/layui/ layui.js

Follow layui's module specifications to create an entry file and load the entry file through layui.use()

Example:

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>模块化的使用</title>
    <link rel="stylesheet" href="./layui/css/layui.css">
 
    <!--引入这个JS-->
    <script type="text/javascript" src="./layui/layui.js"></script>
 
</head>
<body>
 
 
<script>
    /*必须使用这个方法先引用对应的模块*/
    layui.use([&#39;layer&#39;],function () {
        var layer = layui.layer;
        layer.alert("xxxxxxxxxxxxxxxxxxxxxxxx")
    })
</script>
 
 
</body>
</html>

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Additional: In order For convenience, you can use the following method to introduce

function deleteDictBatch(){
    var form,layer;
    layui.use([&#39;form&#39;,&#39;layer&#39;],function () {
        form = layui.form;
        layer=layui.layer;
    });
    //获取选中的元素的个数
    var length_1 = $("[name=&#39;dictionaryCheckbox&#39;]:checked").length;
    //1.如果选中的个数为0，直接退出函数，提示选择字典删除
    if(length_1 ==0 ){
        layer.alert("请选中需要删除的字典")
        return ;
    }
    //如果有元素需要被删除
    else{
        if(!confirm("您确认要删除下列字典?")){//点取消也退出函数
            return;
        }
        //第二种方式，以数组的方式去提交。后台用string接收
        var values = [];
        $("[name=&#39;dictionaryCheckbox&#39;]:checked").each(function (i) {//i代表索引
            values[i]=$(this).val();
        })
        $.post(contextPath+&#39;/dictionary/deleteDictBatch.do&#39;,{dictionaryIds:values.toString()},function(response){
            alert(response);
            if(response == "删除成功"){
                getDictionaryTree();//查询字典树
                getDictionaryFY();//分页查询字典信息
            }
        },&#39;text&#39;)
        //删除的业务逻辑
    }
}

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, or you can introduce layer and form as global variables:

/**
 * @author: qlq
 * @time: 9:31
 * @description:    添加培养方案的JS
 */
 
/**
 * 一次性自调函数初始化两个全局变量
 */
var lyer,form;
(function () {
    layui.use([&#39;layer&#39;,&#39;form&#39;],function () {
        layer=layui.layer,form=layui.form;
    })
})();
 
/**
 * 页面加载完成后执行一些函数
 */
$(function () {
    layer.msg("消息框")
});
 
 
/**********S   *****************/

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