xiaomeimei
V2EX  ›  Vue.js

vue-router 0.7.3 deactivate 钩子函数问题

  •  
  •   xiaomeimei · Sep 13, 2017 · 4001 views
    This topic created in 3166 days ago, the information mentioned may be changed or developed.

    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 replies    2017-09-14 16:11:54 +08:00
    xiaomeimei
        1
    xiaomeimei  
    OP
       Sep 14, 2017
    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
       Sep 14, 2017
    ```
    canReuse(transition){
    return false
    }
    ```
    About   ·   Help   ·   Advertise   ·   Blog   ·   API   ·   FAQ   ·   Solana   ·   929 Online   Highest 6679   ·     Select Language
    创意工作者们的社区
    World is powered by solitude
    VERSION: 3.9.8.5 · 28ms · UTC 19:40 · PVG 03:40 · LAX 12:40 · JFK 15:40
    ♥ Do have faith in what you're doing.