vue-router 0.7.3 deactivate 钩子函数问题 - V2EX
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xiaomeimei
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vue-router 0.7.3 deactivate 钩子函数问题

  •  
  •   xiaomeimei 2017-09-13 23:46:38 +08:00 3775 次点击
    这是一个创建于 3014 天前的主题,其中的信息可能已经有所发展或是发生改变。

    问题描述

    • 由于样式和数据结构基本都一样,这两个路由共用一个 category/index.vue 组件,当两个路由之间切换时,组件里的 deactivate 钩子函数不会触发,但切换到主页或者其他不共用的组件时,就会触发。

    代码如下

    JS 代码

    • router.js 部分代码,用于注册路由
    router.map({ '/': { name: 'home', component: function(reslove) { return require(['./views/home/index.vue'], reslove) }, meta:{keepAlive:true} }, '/cate1/': { name: 'cate1', component: function(reslove) { return require(['./views/category/index.vue'], reslove) }, meta:{keepAlive:true} }, '/cate2/': { name: 'cate1', component: function(reslove) { return require(['./views/category/index.vue'], reslove) }, meta:{keepAlive:true} }, }); //注册路由切换前 router.beforeEach(function(transition) { transition.next(); }); //注册路由切换后 router.afterEach(function(transition) { console.log(transition.from.name) }); 
    • category/index.vue 部分代码
    route: { data(transition){}, deactivate (transition) { console.log('deactivate...') transition.next() } } 
    2 条回复    2017-09-14 16:11:54 +08:00
    xiaomeimei
        1
    xiaomeimei  
    OP
       2017-09-14 16:11:26 +08:00
    已经解决了,增加一个 canReuse 钩子函数,返回 false,告诉不可重用
    ```Javascript
    canReuse(transition){
    return false
    }
    ```
    xiaomeimei
        2
    xiaomeimei  
    OP
       2017-09-14 16:11:54 +08:00
    ```
    canReuse(transition){
    return false
    }
    ```
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