645 lines
22 KiB
JavaScript
645 lines
22 KiB
JavaScript
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/*!
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@Name: layui
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@Description：经典模块化前端 UI 框架
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@Homepage: www.layui.com
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@Author: 贤心
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@License：MIT
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*/
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; !function (win) {
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"use strict";
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var doc = document, config = {
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modules: {} //记录模块物理路径
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, status: {} //记录模块加载状态
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, timeout: 10 //符合规范的模块请求最长等待秒数
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, event: {} //记录模块自定义事件
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}
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, Layui = function () {
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this.v = '2.5.6'; //版本号
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}
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//获取layui所在目录
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, getPath = function () {
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var jsPath = doc.currentScript ? doc.currentScript.src : function () {
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var js = doc.scripts
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, last = js.length - 1
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, src;
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for (var i = last; i > 0; i--) {
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if (js[i].readyState === 'interactive') {
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src = js[i].src;
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break;
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}
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}
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return src || js[last].src;
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}();
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return jsPath.substring(0, jsPath.lastIndexOf('/') + 1);
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}()
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//异常提示
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, error = function (msg) {
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win.console && console.error && console.error('Layui error: ' + msg);
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}
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//异常提示
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, log = function (msg) {
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win.console && console.log && console.log('Layui hint: ' + msg);
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}
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, isOpera = typeof opera !== 'undefined' && opera.toString() === '[object Opera]'
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//内置模块
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, modules = {
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layer: 'modules/layer' //弹层
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, laydate: 'modules/laydate' //日期
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, laypage: 'modules/laypage' //分页
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, laytpl: 'modules/laytpl' //模板引擎
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, layim: 'modules/layim' //web通讯
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, layedit: 'modules/layedit' //富文本编辑器
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, form: 'modules/form' //表单集
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, upload: 'modules/upload' //上传
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, tree: 'modules/tree' //树结构
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, table: 'modules/table' //表格
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, element: 'modules/element' //常用元素操作
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, rate: 'modules/rate' //评分组件
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, colorpicker: 'modules/colorpicker' //颜色选择器
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, slider: 'modules/slider' //滑块
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, carousel: 'modules/carousel' //轮播
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, flow: 'modules/flow' //流加载
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, util: 'modules/util' //工具块
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, code: 'modules/code' //代码修饰器
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, jquery: 'modules/jquery' //DOM库（第三方）
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, treeGrid: 'modules/treeGrid'
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, mobile: 'modules/mobile' //移动大模块 | 若当前为开发目录，则为移动模块入口，否则为移动模块集合
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, transfer: 'modules/transfer' //下拉按钮
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, dropdown: 'modules/dropdown' //下拉按钮
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//, dltable: 'modules/dltable'// treegrid
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, 'layui.all': '../layui.all' //PC模块合并版
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};
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Layui.prototype.error = function (msg) {
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win.console && console.error && console.error('Layui error: ' + msg);
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}
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//记录基础数据
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Layui.prototype.cache = config;
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//定义模块
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Layui.prototype.define = function (deps, factory) {
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var that = this
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, type = typeof deps === 'function'
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, callback = function () {
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var setApp = function (app, exports) {
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layui[app] = exports;
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config.status[app] = true;
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};
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typeof factory === 'function' && factory(function (app, exports) {
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setApp(app, exports);
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config.callback[app] = function () {
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factory(setApp);
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}
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});
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return this;
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};
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type && (
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factory = deps,
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deps = []
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);
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if (layui['layui.all'] || (!layui['layui.all'] && layui['layui.mobile'])) {
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return callback.call(that);
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}
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that.use(deps, callback);
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return that;
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};
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//使用特定模块
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Layui.prototype.use = function (apps, callback, exports) {
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var that = this
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, dir = config.dir = config.dir ? config.dir : getPath
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, head = doc.getElementsByTagName('head')[0];
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apps = typeof apps === 'string' ? [apps] : apps;
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//如果页面已经存在jQuery1.7+库且所定义的模块依赖jQuery，则不加载内部jquery模块
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if (window.jQuery && jQuery.fn.on) {
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that.each(apps, function (index, item) {
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if (item === 'jquery') {
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apps.splice(index, 1);
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}
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});
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layui.jquery = layui.$ = jQuery;
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}
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var item = apps[0]
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, timeout = 0;
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exports = exports || [];
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//静态资源host
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config.host = config.host || (dir.match(/\/\/([\s\S]+?)\//) || ['//' + location.host + '/'])[0];
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//加载完毕
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function onScriptLoad(e, url) {
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var readyRegExp = navigator.platform === 'PLaySTATION 3' ? /^complete$/ : /^(complete|loaded)$/
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if (e.type === 'load' || (readyRegExp.test((e.currentTarget || e.srcElement).readyState))) {
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config.modules[item] = url;
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log('loading module[' + url + ']');
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head.removeChild(node);
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(function poll() {
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if (++timeout > config.timeout * 1000 / 4) {
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return error(item + ' is not a valid module [' + url + ']');
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};
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config.status[item] ? onCallback() : setTimeout(poll, 4);
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}());
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}
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}
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//回调
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function onCallback() {
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exports.push(layui[item]);
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apps.length > 1 ?
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that.use(apps.slice(1), callback, exports)
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: (typeof callback === 'function' && callback.apply(layui, exports));
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}
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//如果使用了 layui.all.js
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if (apps.length === 0
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|| (layui['layui.all'] && modules[item])
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|| (!layui['layui.all'] && layui['layui.mobile'] && modules[item])
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) {
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return onCallback(), that;
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}
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//获取加载的模块 URL
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//如果是内置模块，则按照 dir 参数拼接模块路径
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//如果是扩展模块，则判断模块路径值是否为 {/} 开头，
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//如果路径值是 {/} 开头，则模块路径即为后面紧跟的字符。
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//否则，则按照 base 参数拼接模块路径
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var url = (modules[item] ? (dir + 'lay/')
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: (/^\{\/\}/.test(that.modules[item]) ? '' : (config.base || ''))
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) + (that.modules[item] || item) + '.js';
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url = url.replace(/^\{\/\}/, '');
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//如果扩展模块（即：非内置模块）对象已经存在，则不必再加载
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if (!config.modules[item] && layui[item]) {
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config.modules[item] = url; //并记录起该扩展模块的 url
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}
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//首次加载模块
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if (!config.modules[item]) {
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var node = doc.createElement('script');
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node.async = true;
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node.charset = 'utf-8';
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node.src = url + function () {
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var version = config.version === true
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? (config.v || (new Date()).getTime())
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: (config.version || '');
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return version ? ('?v=' + version) : '';
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}();
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head.appendChild(node);
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if (node.attachEvent && !(node.attachEvent.toString && node.attachEvent.toString().indexOf('[native code') < 0) && !isOpera) {
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node.attachEvent('onreadystatechange', function (e) {
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onScriptLoad(e, url);
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});
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} else {
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node.addEventListener('load', function (e) {
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onScriptLoad(e, url);
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}, false);
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}
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config.modules[item] = url;
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} else { //缓存
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(function poll() {
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if (++timeout > config.timeout * 1000 / 4) {
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return error(item + ' is not a valid module[' + url + '] timeout');
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};
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(typeof config.modules[item] === 'string' && config.status[item])
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? onCallback()
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: setTimeout(poll, 4);
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}());
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}
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return that;
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};
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//获取节点的style属性值
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Layui.prototype.getStyle = function (node, name) {
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var style = node.currentStyle ? node.currentStyle : win.getComputedStyle(node, null);
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return style[style.getPropertyValue ? 'getPropertyValue' : 'getAttribute'](name);
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};
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//css外部加载器
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Layui.prototype.link = function (href, fn, cssname) {
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var that = this
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, link = doc.createElement('link')
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, head = doc.getElementsByTagName('head')[0];
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if (typeof fn === 'string') cssname = fn;
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var app = (cssname || href).replace(/\.|\//g, '')
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, id = link.id = 'layuicss-' + app
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, timeout = 0;
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link.rel = 'stylesheet';
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link.href = href + (config.debug ? '?v=' + new Date().getTime() : '');
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link.media = 'all';
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if (!doc.getElementById(id)) {
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head.appendChild(link);
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}
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if (typeof fn !== 'function') return that;
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//轮询css是否加载完毕
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(function poll() {
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if (++timeout > config.timeout * 1000 / 100) {
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return error(href + ' timeout');
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};
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parseInt(that.getStyle(doc.getElementById(id), 'width')) === 1989 ? function () {
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fn();
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}() : setTimeout(poll, 100);
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}());
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return that;
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};
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//存储模块的回调
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config.callback = {};
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//重新执行模块的工厂函数
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Layui.prototype.factory = function (modName) {
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if (layui[modName]) {
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return typeof config.callback[modName] === 'function'
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? config.callback[modName]
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: null;
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}
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};
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//css内部加载器
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Layui.prototype.addcss = function (firename, fn, cssname) {
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return layui.link(config.dir + 'css/' + firename, fn, cssname);
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};
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//图片预加载
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Layui.prototype.img = function (url, callback, error) {
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var img = new Image();
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img.src = url;
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if (img.complete) {
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return callback(img);
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}
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img.onload = function () {
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img.onload = null;
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typeof callback === 'function' && callback(img);
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};
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img.onerror = function (e) {
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img.onerror = null;
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typeof error === 'function' && error(e);
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};
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};
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//全局配置
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Layui.prototype.config = function (options) {
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options = options || {};
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for (var key in options) {
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config[key] = options[key];
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}
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return this;
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};
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//记录全部模块
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Layui.prototype.modules = function () {
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var clone = {};
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for (var o in modules) {
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clone[o] = modules[o];
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}
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return clone;
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}();
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//拓展模块
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Layui.prototype.extend = function (options) {
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var that = this;
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//验证模块是否被占用
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options = options || {};
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for (var o in options) {
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if (that[o] || that.modules[o]) {
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error('\u6A21\u5757\u540D ' + o + ' \u5DF2\u88AB\u5360\u7528');
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} else {
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that.modules[o] = options[o];
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}
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}
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return that;
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};
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// location.hash 路由解析
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Layui.prototype.router = function (hash) {
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var that = this
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, hash = hash || location.hash
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, data = {
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path: []
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, search: {}
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|
, hash: (hash.match(/[^#](#.*$)/) || [])[1] || ''
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
if (!/^#\//.test(hash)) return data; //禁止非路由规范
|
|||
|
|
hash = hash.replace(/^#\//, '');
|
|||
|
|
data.href = '/' + hash;
|
|||
|
|
hash = hash.replace(/([^#])(#.*$)/, '$1').split('/') || [];
|
|||
|
|
|
|||
|
|
//提取 Hash 结构
|
|||
|
|
that.each(hash, function (index, item) {
|
|||
|
|
/^\w+=/.test(item) ? function () {
|
|||
|
|
item = item.split('=');
|
|||
|
|
data.search[item[0]] = item[1];
|
|||
|
|
}() : data.path.push(item);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
return data;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//URL 解析
|
|||
|
|
Layui.prototype.url = function (href) {
|
|||
|
|
var that = this
|
|||
|
|
, data = {
|
|||
|
|
//提取 url 路径
|
|||
|
|
pathname: function () {
|
|||
|
|
var pathname = href
|
|||
|
|
? function () {
|
|||
|
|
var pathUrl = (href.match(/\.[^.]+?\/.+/) || [])[0] || '';
|
|||
|
|
return pathUrl.replace(/^[^\/]+/, '').replace(/\?.+/, '');
|
|||
|
|
}()
|
|||
|
|
: location.pathname;
|
|||
|
|
return pathname.replace(/^\//, '').split('/');
|
|||
|
|
}()
|
|||
|
|
|
|||
|
|
//提取 url 参数
|
|||
|
|
, search: function () {
|
|||
|
|
var obj = {}
|
|||
|
|
, search = (href
|
|||
|
|
? ((href.match(/\?.+/) || [])[0] || '')
|
|||
|
|
: location.search
|
|||
|
|
).replace(/^\?+/, '').split('&'); //去除 ?，按 & 分割参数
|
|||
|
|
|
|||
|
|
//遍历分割后的参数
|
|||
|
|
that.each(search, function (index, item) {
|
|||
|
|
var _index = item.indexOf('=')
|
|||
|
|
, key = function () { //提取 key
|
|||
|
|
if (_index < 0) {
|
|||
|
|
return item.substr(0, item.length);
|
|||
|
|
} else if (_index === 0) {
|
|||
|
|
return false;
|
|||
|
|
} else {
|
|||
|
|
return item.substr(0, _index);
|
|||
|
|
}
|
|||
|
|
}();
|
|||
|
|
//提取 value
|
|||
|
|
if (key) {
|
|||
|
|
obj[key] = _index > 0 ? item.substr(_index + 1) : null;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
return obj;
|
|||
|
|
}()
|
|||
|
|
|
|||
|
|
//提取 Hash
|
|||
|
|
, hash: that.router(function () {
|
|||
|
|
return href
|
|||
|
|
? ((href.match(/#.+/) || [])[0] || '')
|
|||
|
|
: location.hash;
|
|||
|
|
}())
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
return data;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//本地持久性存储
|
|||
|
|
Layui.prototype.data = function (table, settings, storage) {
|
|||
|
|
table = table || 'layui';
|
|||
|
|
storage = storage || localStorage;
|
|||
|
|
|
|||
|
|
if (!win.JSON || !win.JSON.parse) return;
|
|||
|
|
|
|||
|
|
//如果settings为null，则删除表
|
|||
|
|
if (settings === null) {
|
|||
|
|
// storage[table] = null;
|
|||
|
|
return delete storage[table];
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
settings = typeof settings === 'object'
|
|||
|
|
? settings
|
|||
|
|
: { key: settings };
|
|||
|
|
|
|||
|
|
try {
|
|||
|
|
var data = JSON.parse(storage[table]);
|
|||
|
|
} catch (e) {
|
|||
|
|
var data = {};
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if ('value' in settings) data[settings.key] = settings.value;
|
|||
|
|
if (settings.remove) delete data[settings.key];
|
|||
|
|
storage[table] = JSON.stringify(data);
|
|||
|
|
|
|||
|
|
return settings.key ? data[settings.key] : data;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//本地会话性存储
|
|||
|
|
Layui.prototype.sessionData = function (table, settings) {
|
|||
|
|
return this.data(table, settings, sessionStorage);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//设备信息
|
|||
|
|
Layui.prototype.device = function (key) {
|
|||
|
|
var agent = navigator.userAgent.toLowerCase()
|
|||
|
|
|
|||
|
|
//获取版本号
|
|||
|
|
, getVersion = function (label) {
|
|||
|
|
var exp = new RegExp(label + '/([^\\s\\_\\-]+)');
|
|||
|
|
label = (agent.match(exp) || [])[1];
|
|||
|
|
return label || false;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//返回结果集
|
|||
|
|
, result = {
|
|||
|
|
os: function () { //底层操作系统
|
|||
|
|
if (/windows/.test(agent)) {
|
|||
|
|
return 'windows';
|
|||
|
|
} else if (/linux/.test(agent)) {
|
|||
|
|
return 'linux';
|
|||
|
|
} else if (/iphone|ipod|ipad|ios/.test(agent)) {
|
|||
|
|
return 'ios';
|
|||
|
|
} else if (/mac/.test(agent)) {
|
|||
|
|
return 'mac';
|
|||
|
|
}
|
|||
|
|
}()
|
|||
|
|
, ie: function () { //ie版本
|
|||
|
|
return (!!win.ActiveXObject || "ActiveXObject" in win) ? (
|
|||
|
|
(agent.match(/msie\s(\d+)/) || [])[1] || '11' //由于ie11并没有msie的标识
|
|||
|
|
) : false;
|
|||
|
|
}()
|
|||
|
|
, weixin: getVersion('micromessenger') //是否微信
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//任意的key
|
|||
|
|
if (key && !result[key]) {
|
|||
|
|
result[key] = getVersion(key);
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//移动设备
|
|||
|
|
result.android = /android/.test(agent);
|
|||
|
|
result.ios = result.os === 'ios';
|
|||
|
|
result.mobile = (result.android || result.ios) ? true : false;
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//提示
|
|||
|
|
Layui.prototype.hint = function () {
|
|||
|
|
return {
|
|||
|
|
error: error
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//遍历
|
|||
|
|
Layui.prototype.each = function (obj, fn) {
|
|||
|
|
var key
|
|||
|
|
, that = this;
|
|||
|
|
if (typeof fn !== 'function') return that;
|
|||
|
|
obj = obj || [];
|
|||
|
|
if (obj.constructor === Object) {
|
|||
|
|
for (key in obj) {
|
|||
|
|
if (fn.call(obj[key], key, obj[key])) break;
|
|||
|
|
}
|
|||
|
|
} else {
|
|||
|
|
for (key = 0; key < obj.length; key++) {
|
|||
|
|
if (fn.call(obj[key], key, obj[key])) break;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return that;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//将数组中的对象按其某个成员排序
|
|||
|
|
Layui.prototype.sort = function (obj, key, desc) {
|
|||
|
|
var clone = JSON.parse(
|
|||
|
|
JSON.stringify(obj || [])
|
|||
|
|
);
|
|||
|
|
|
|||
|
|
if (!key) return clone;
|
|||
|
|
|
|||
|
|
//如果是数字，按大小排序，如果是非数字，按字典序排序
|
|||
|
|
clone.sort(function (o1, o2) {
|
|||
|
|
var isNum = /^-?\d+$/
|
|||
|
|
, v1 = o1[key]
|
|||
|
|
, v2 = o2[key];
|
|||
|
|
|
|||
|
|
if (isNum.test(v1)) v1 = parseFloat(v1);
|
|||
|
|
if (isNum.test(v2)) v2 = parseFloat(v2);
|
|||
|
|
|
|||
|
|
if (v1 && !v2) {
|
|||
|
|
return 1;
|
|||
|
|
} else if (!v1 && v2) {
|
|||
|
|
return -1;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
if (v1 > v2) {
|
|||
|
|
return 1;
|
|||
|
|
} else if (v1 < v2) {
|
|||
|
|
return -1;
|
|||
|
|
} else {
|
|||
|
|
return 0;
|
|||
|
|
}
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
desc && clone.reverse(); //倒序
|
|||
|
|
return clone;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//阻止事件冒泡
|
|||
|
|
Layui.prototype.stope = function (thisEvent) {
|
|||
|
|
thisEvent = thisEvent || win.event;
|
|||
|
|
try { thisEvent.stopPropagation() } catch (e) {
|
|||
|
|
thisEvent.cancelBubble = true;
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//自定义模块事件
|
|||
|
|
Layui.prototype.onevent = function (modName, events, callback, override) {
|
|||
|
|
if (typeof modName !== 'string'
|
|||
|
|
|| typeof callback !== 'function') return this;
|
|||
|
|
|
|||
|
|
return Layui.event(modName, events, null, callback, override);
|
|||
|
|
};
|
|||
|
|
Layui.prototype.delevent = function (modName, events) {
|
|||
|
|
var
|
|||
|
|
filter = events.match(/\((.*)\)$/) || [] //提取事件过滤器字符结构，如：select(xxx)
|
|||
|
|
, eventName = (modName + '.' + events).replace(filter[0], '') //获取事件名称，如：form.select
|
|||
|
|
, filterName = filter[1] || '' //获取过滤器名称,，如：xxx
|
|||
|
|
config.event[eventName] = config.event[eventName] || {};
|
|||
|
|
if (config.event[eventName] && (filterName === '*')) {
|
|||
|
|
for (var key in config.event) {
|
|||
|
|
if (key.indexOf(modName) == 0) {
|
|||
|
|
delete config.event[key]
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
} else if (config.event[eventName] && (config.event[eventName][filterName])) {
|
|||
|
|
delete config.event.eventName.filterName
|
|||
|
|
}
|
|||
|
|
};
|
|||
|
|
//执行自定义模块事件
|
|||
|
|
Layui.prototype.event = Layui.event = function (modName, events, params, fn, override) {
|
|||
|
|
var that = this
|
|||
|
|
, result = null
|
|||
|
|
, filter = events.match(/\((.*)\)$/) || [] //提取事件过滤器字符结构，如：select(xxx)
|
|||
|
|
, eventName = (modName + '.' + events).replace(filter[0], '') //获取事件名称，如：form.select
|
|||
|
|
, filterName = filter[1] || '' //获取过滤器名称,，如：xxx
|
|||
|
|
, callback = function (_, item) {
|
|||
|
|
var res = item && item.call(that, params);
|
|||
|
|
res === false && result === null && (result = false);
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
//添加事件
|
|||
|
|
if (fn) {
|
|||
|
|
config.event[eventName] = config.event[eventName] || {};
|
|||
|
|
|
|||
|
|
//这里不再对多次事件监听做支持，避免更多麻烦
|
|||
|
|
//config.event[eventName][filterName] ? config.event[eventName][filterName].push(fn) :
|
|||
|
|
//这里是用户自定义的消息.可以多次
|
|||
|
|
if ((new RegExp("^WM_")).test(events) && !override) {
|
|||
|
|
config.event[eventName][filterName] = config.event[eventName][filterName] || [];
|
|||
|
|
config.event[eventName][filterName] ? config.event[eventName][filterName].push(fn) : null;
|
|||
|
|
} else {
|
|||
|
|
config.event[eventName][filterName] = [fn];
|
|||
|
|
}
|
|||
|
|
return this;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//执行事件回调
|
|||
|
|
layui.each(config.event[eventName], function (key, item) {
|
|||
|
|
//执行当前模块的全部事件
|
|||
|
|
if (filterName === '{*}') {
|
|||
|
|
layui.each(item, callback);
|
|||
|
|
return;
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
//执行指定事件
|
|||
|
|
key === '' && layui.each(item, callback);
|
|||
|
|
(filterName && key === filterName) && layui.each(item, callback);
|
|||
|
|
});
|
|||
|
|
|
|||
|
|
return result;
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
win.layui = new Layui();
|
|||
|
|
|
|||
|
|
}(window);
|
|||
|
|
|