const{createApp}=Vue const{createVuetify,useGoTo,useDisplay}=Vuetify var data={alert:{show:false,color:'success',text:'',timeout:0,},theme:{dark:false,},nav:{showDrawer:false,showTOC:true,tocPanel:0,tab:'account',post:{discussionId:7370,currentPage:1,targetPage:1,total:16,anchor:0,goToOptions:{container:null,duration:0,easing:'easeInOutCubic',offset:-100,},worker:null,task:[],active:[],apiLock:[],originLike:new Map([]),},related:{block:1,}},search:{width:80,text:null,loading:false,},tags:[{id:20,url:'/t/2c0b5e546a045c756077023a1a1e',name:'Js|Ts|H5',color:'#FFA726',icon:'mdi-language-javascript',},],posts:[{id:93600,num:0,uid:620,content:'昨天下班前碰到一个问题，我是自己写的 loading 组件，注册了全局指令。在指令引用的时候如果 loading 是对象在更新属性时指令方法 updated 不会捕获到修改，v-loading 用扩展运算或者在 template 里引用则能正确更新状态。能在哪里做些调整吗？\u003Cbr\u003E\u003Cbr\u003E![code]( https://imgur.com/a/1GmgAgO)\u003Cbr\u003E\u003Cbr\u003E![direactive]( https://imgur.com/a/mLmEw9I)\u003Cbr\u003E\u003Cbr\u003E\u003Cbr\u003E\u003Cbr\u003E另外，不确定自己封装通用组件的必要性，现在的是 C 端项目有 ui 要求没用模板，但也有像 form 、table 、dialog 等模块，因为工作量不大我现在都单独抽出了组件库写了文档。越优化越觉得和 element 的组件功能是差不多的只是 ui 不同，引用 element 然后自定义样式，不满足的功能也可以二次封装自己添加，按需加载打包可能更方便？',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 10:08:16',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93601,num:1,uid:796,content:'let loading \u003D ref(false)',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 10:21:11',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93602,num:2,uid:813,content:'在 mounted 和 updated 中 watch 一下 bindingValue ，根据这边变量的用法，属性变化不会触发 updated 。用 element-plus 覆盖样式也挺香，或者 fork 下来改改',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 10:25:37',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93603,num:3,uid:4632,content:'https://github.com/vuejs/core/blob/f6e84af30aeffd281aebbab02b0e623e5fc159e0/packages/runtime-core/src/directives.ts#L95\u003Cbr\u003E\u003Cbr\u003E有一个 deep 的配置，如果加一个 deep：ture 就可以了，因为在 mount 时，默认没有对这个响应式数据的各个 key 进行依赖收集，所以才没有触发对应的 update 钩子，\u003Cbr\u003E\u003Cbr\u003E如果你在模板中使用使用{{loadingValueObj}}，是直接编译成_toDisplayString($setup.loadingValueObj)，里面是使用的 JSON.stringify ，就对各个属性进行了依赖收集了',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 10:49:17',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93604,num:4,uid:620,content:'boolean 是正常的，用 object 是因为要设置其他属性，已经按 3#的方法修改了',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 10:59:18',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93605,num:5,uid:620,content:'原本建项目的时候就在想要不要引 elementplus ，因为以前也一直用这个，原本二次封装的也能直接拿来用。最后还是感觉太重了就自己撸，现在想想可能草率了。XD',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 11:04:12',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93606,num:6,uid:620,content:'非常感谢！这是不爱读源码的坏处吗 XD',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 11:09:27',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93607,num:7,uid:9490,content:'ref 也能处理 object 啊，reactive 就是因为使用中容易出现像你这种丢失响应性的问题，其实官方更推荐 ref',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 11:09:42',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93608,num:8,uid:4632,content:'这个问题的本质是，渲染函数的副作用没有对这种情况进行依赖收集，这就会导致组件始终不会更新了，那么自定义指令的 update 钩子也当然无法执行了',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 11:18:15',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93609,num:9,uid:620,content:'ref 之前试过了也不会更新， 说的是对的',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 11:24:05',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93610,num:10,uid:796,content:'ref 和 reactive 的本质区别就是 ref 一定不会出错 reactive 就是会出现意料之外的情况\u003Cbr\u003E只要 ref.value 去重新赋值，一定触发更新。我从来不在项目里写 reactive',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 12:54:58',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93611,num:11,uid:620,content:'\u003Cbr\u003E\u003Cbr\u003E修正一下我 9#的错误回复，我又试了一下 ref 定义 loading 变量，在对 loading.value 整体重新赋值后确实会触发更新，我的结论是基于对 loading.value.xx 赋值，这是不能捕获修改的，原因就是 说的创建时默认没有对 object key 监听，进行引用和扩展类似创建新对象则会触发 update ，deep 和`watch binding`则是主动激活监听。\u003Cbr\u003E\u003Cbr\u003E```\u003Cbr\u003Econst loading \u003D ref(false)\u003Cbr\u003Eloading.value \u003D { loading: true, text: \u0026#39;loading...\u0026#39; }\u003Cbr\u003E// 状态更新正常\u003Cbr\u003E\u003Cbr\u003Econst loading \u003D ref({ loading: false })\u003Cbr\u003Eloading.value \u003D { loading: true }\u003Cbr\u003E// 状态更新正常\u003Cbr\u003E\u003Cbr\u003Econst loading \u003D ref({ loading: false })\u003Cbr\u003Eloading.value.loading \u003D true\u003Cbr\u003E// 无法更新\u003Cbr\u003E```\u003Cbr\u003E\u003Cbr\u003E不过从组件的角度肯定是不限制 ref 和 reactive 更合适，因为没有严格的代码规范并不能要求所有人都用 ref.value 赋值。',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 14:27:56',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93612,num:12,uid:796,content:'loading.value.loading \u003D true 按照道理是会触发更新的，我一直所有代码都是这么写的，肯定是哪里写错了引用变了，Vue devtools 你点进去看看就知道了\u003Cbr\u003E喜欢用 reactive 就用，就像有些人喜欢父子传值传进去再 watch 写的复杂的不得了，我是感觉不如 expose 个方法出去让父组件 ref 调用方法一次性传值。这种写法出来的程序只能在中午运行，早晚出问题',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 14:39:51',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93613,num:13,uid:10002,content:'还 ref 一定不出错，对象用 ref 声明，ref.value 就是个 reactive ，用得不好一样出错',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 17:24:51',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93614,num:14,uid:12989,content:'watch 默认下不会深入观察 ref ，要加 deep 参数：\u003Cbr\u003E```j**ascript\u003Cbr\u003Ewatch(loading, () \u003D\u0026gt; { \u003Cbr\u003E console.log(\u0026#39;ref deep watch\u0026#39;)\u003Cbr\u003E}, { deep: true })\u003Cbr\u003E```',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 17:26:54',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},{id:93615,num:15,uid:7315,content:'这句话并不对啊，确实没有规范要求用 ref 还是 reactive ，但作为组件，我只需要规定 binding.value 是一个 bool 类型就好了，不管你是基本类型还是对象类型，如果用对象，就应该吧 loading 这单个属性传递给我。参考 element ui ，你的其他 text ，color ，size 属性，应该通过 el 的 dataset 获取，不应该在 binding.value 中。',ipRegion:'',updatedByUid:0,createdAt:'2025-04-01 18:23:28',updatedAt:'2025-04-03 11:14:56',mentionNum:0,mentionedBy:[],mentionUsers:[],likeUsers:[],},],usersMap:new 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