Btnasync

<button type="button" class="layui-btn layui-btn-primary" lay-on="bs_alert">alert</button> <button type="button" class="layui-btn layui-btn-primary" lay-on="bs_confirm">confirm</button> <button type="button" class="layui-btn layui-btn-primary" lay-on="bs_msg">msg</button> <button type="button" class="layui-btn layui-btn-primary" lay-on="bs_open">open</button> <button type="button" class="layui-btn layui-btn-primary" lay-on="bs_prompt">prompt(不支持)</button>

<!-- import layui --> <script> layui.use(function () { var $ = layui.$ var util = layui.util; var sleep = function (time) { return $.Deferred(function (defer) { setTimeout(function () { defer.resolve(); }, time) }) } var enableBtnAsync = true; util.on({ bs_alert: function () { layer.alert('对话框内容', { btnAsync: enableBtnAsync, }, function (index, layero, that) { var defer = $.Deferred(); that.loading(true); sleep(1000).then(defer.resolve); return defer.promise(); }); }, bs_confirm: function () { layer.confirm('一个询问框的示例？', { btnAsync: enableBtnAsync, btn: ['确定', '关闭'] //按钮 }, function (index, layero, that) { var defer = $.Deferred(); that.loading(true); sleep(1000).then(defer.resolve); return defer.promise(); }); }, bs_msg: function () { layer.msg('第二个回调', { btnAsync: enableBtnAsync, time: 20000, // 20s 后自动关闭 btn: ['明白了', '知道了'], btn1: function (index, layero, that) { var defer = $.Deferred(); that.loading(true); sleep(1000).then(defer.resolve); return defer.promise(); } }); }, bs_open: function () { layer.open({ btnAsync: enableBtnAsync, type: 1, area: ['500px', '300px'], btn: ['确定', '关闭'], btn1: function (index, layero, that) { var defer = $.Deferred(); that.loading(true); sleep(1000).then(defer.resolve); return defer.promise(); }, btn2: function (index, layero, that) { var defer = $.Deferred(); that.loading(true); sleep(1000).then(defer.resolve); return defer.promise(); } }) }, // 不支持 btnAsync bs_prompt: function () { layer.prompt({ formType: 2, value: '初始值', title: '请输入值', area: ['500px', '300px'] // 自定义文本域宽高 }, function (value, index, elem) { alert(value); layer.close(index); }); } }) }); </script>