弹出窗口比当前页面大,这时，唯有放大整个页面才能看到完全的弹出窗口，才可以操作。
layui 为我们提供了 layer.style(); 方法来重新跳整窗口的大小 , 然后我们只需要写一个函数,得到当前document的宽度和高度, 判断弹出框是否大于document来调整窗口大小
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 | <!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>Title</title> <link rel="stylesheet" href="layui/css/layui.css" rel="external nofollow" media="all"></head><body><button id="dianji">点击</button><form class="layui-form" action="" id="id"> <div class="layui-form-item"> <label class="layui-form-label">单行输入框</label> <div class="layui-input-block"> <input type="text" name="title" lay-verify="title" autocomplete="off" placeholder="请输入标题" class="layui-input"> </div> </div> <div class="layui-form-item"> <label class="layui-form-label">验证必填项</label> <div class="layui-input-block"> <input type="text" name="username" lay-verify="required" lay-reqtext="用户名是必填项，岂能为空？" placeholder="请输入" autocomplete="off" class="layui-input"> </div> </div> <div class="layui-form-item"> <div class="layui-inline"> <label class="layui-form-label">验证手机</label> <div class="layui-input-inline"> <input type="tel" name="phone" lay-verify="required|phone" autocomplete="off" class="layui-input"> </div> </div> <div class="layui-inline"> <label class="layui-form-label">验证邮箱</label> <div class="layui-input-inline"> <input type="text" name="email" lay-verify="email" autocomplete="off" class="layui-input"> </div> </div> </div></form><script src="layui/layui.all.js"></script><script type="text/javascript"> var layerIndex; var layerInitWidth; var layerInitHeight; var $; layui.use(['form', 'jquery'], function () { var form = layui.form; $ = layui.jquery; $("#dianji").click(function () { layer.open({ type: 1, area: ['500px', '900px'], content: $('#id'), //这里content是一个DOM，注意：最好该元素要存放在body最外层，否则可能被其它的相对元素所影响 btn: ['按钮一', '按钮二', '按钮三'] , yes: function (index, layero) { //按钮【按钮一】的回调 } , btn2: function (index, layero) { //按钮【按钮二】的回调 //return false 开启该代码可禁止点击该按钮关闭 } , btn3: function (index, layero) { //按钮【按钮三】的回调 //return false 开启该代码可禁止点击该按钮关闭 } , cancel: function () { //右上角关闭回调 //return false 开启该代码可禁止点击该按钮关闭 }, success: function (layero, index) { //获取当前弹出窗口的索引及初始大小 layerIndex = index; layerInitWidth = $("#layui-layer" + layerIndex).width(); layerInitHeight = $("#layui-layer" + layerIndex).height(); resizeLayer(layerIndex, layerInitWidth, layerInitHeight); form.render(); } }); }) }); function resizeLayer(layerIndex, layerInitWidth, layerInitHeight) { var windowWidth = $(document).width(); var windowHeight = $(document).height(); var minWidth = layerInitWidth > windowWidth ? windowWidth : layerInitWidth; var minHeight = layerInitHeight > windowHeight ? windowHeight : layerInitHeight; console.log("win:", windowWidth, windowHeight); console.log("lay:", layerInitWidth, layerInitHeight); console.log("min:", minWidth, minHeight); layer.style(layerIndex, { top: 0, width: minWidth, height: minHeight }); }</script></body></html> |
效果图：