diff --git a/src/router/router.js b/src/router/router.js index 7a44bb5d9..25dbabc44 100644 --- a/src/router/router.js +++ b/src/router/router.js @@ -3155,24 +3155,27 @@ }, created: function () { var self = this, o = this.options; - cbs.push(this._callbackListener = function () { - var current = $router.history.current; - // 匹配的路径名(/component/:id) - var matchedPath = current.matched[o.deps] && current.matched[o.deps].path; - var component = current.matched[o.deps] && current.matched[o.deps].components[o.name]; - - if (BI.isNotNull(component)) { - if (matchedPath) { - BI.each(current.params, function (key, value) { - // 把 :id 替换成具体的值(/component/demo.td) - matchedPath = matchedPath.replace(`:${key}`, value); - }); + // 嵌套路由 + single 下父亲执行setSelect后会执行一遍push + _callbackListener,之后在cbs.forEach下会执行到刚push进去的_callbackListener导致执行两次,这里加一个nextTick让forEach走不到新push进去的方法。 + BI.nextTick(function () { + cbs.push(self._callbackListener = function () { + var current = $router.history.current; + // 匹配的路径名(/component/:id) + var matchedPath = current.matched[o.deps] && current.matched[o.deps].path; + var component = current.matched[o.deps] && current.matched[o.deps].components[o.name]; + + if (BI.isNotNull(component)) { + if (matchedPath) { + BI.each(current.params, function (key, value) { + // 把 :id 替换成具体的值(/component/demo.td) + matchedPath = matchedPath.replace(`:${key}`, value); + }); + } + self.tab.setSelect(matchedPath || "/"); } - self.tab.setSelect(matchedPath || "/"); - } + }); + // "bi.router_view"是由"bi.tab"实现的,cardCreator是一个异步过程,在"bi.router_view"创建之前,cbs里不会有创建子组件的方法,在初始化路由时,没法直接渲染到子组件,所以这里手动加了一次调用 + self._callbackListener(); }); - // "bi.router_view"是由"bi.tab"实现的,cardCreator是一个异步过程,在"bi.router_view"创建之前,cbs里不会有创建子组件的方法,在初始化路由时,没法直接渲染到子组件,所以这里手动加了一次调用 - this._callbackListener(); }, render: function () { var self = this, o = this.options; @@ -3193,7 +3196,8 @@ }; }, destroyed: function () { - BI.remove(cbs, this._callbackListener); + // BI.remove方法会把第二个参数当迭代器执行导致方法多执行一遍 + cbs.splice(cbs.indexOf(this._callbackListener), 1); } }); BI.shortcut("bi.router_view", BI.RouterView);