我有一个应用程序，其中删除一个寄存器后，会在Vue警告之后收到消息：
未在实例上定义但引用了属性或方法“键” 在渲染期间。无论是在 数据选项或基于类的组件，方法是初始化 属性。
仅在数据/返回上初始化变量键并不能真正解决我的问题。
我注意到的另一件事是从数据库中删除了数据，立即从日志列表中删除了字段log.title和log.user，但该行的另一半仍然保留在视图中，直到我离开并重新输入Log组件。不知道上面的Vue-warn是否与此删除/查看错误有关，但是可能与之有关。
如果有人能给我一个线索告诉我，我将不胜感激。
这是我的Log.vue：
<template>
<div class="container">
<log-show-detail v-if="logModalOpen" :logUser="logUser" :logTitle="logTitle" :logType="logType" :logDescription="logDescription" :logDate="logDate" @closeRequest='close'> </log-show-detail>
<log-edit v-if="editModalOpen" :logId="logId" :logUser="logUser" :logTitle="logTitle" :logType="logType" :logDescription="logDescription" :logDate="logDate" @closeRequest='close'></log-edit>
<div class="form-group">
<!-- <input type="text" class="form-control" id="filter" placeholder="Filter the Logs"> -->
<br>
<i class="fas fa-plus jobs-page" data-toggle="modal" data-target="#exampleModalCenter"></i>
<div v-if="isLoading" class="loading-image">
<img src="/develogger-app/public/img/dev-tick.gif" alt="">
</div>
</div>
<div class="row content-holder">
<table class="table">
<thead>
<tr class="left-align">
<th class="">Log</th>
<th class="">User</th>
<th class="center-align" style="text-align:right">Date</th>
<th></th>
</tr>
</thead>
<tbody>
<tr v-for="log in logs" :key="log.id" :log="log" @deleteLog="deleteLog" class="tr-table">
<td class="client-name" @click="openLogs(log.id,log.user,log.title,log.type,log.description,log.created_at)">{{ log.title }}</td>
<td class="" >{{ log.user }}</td>
<td class="client-pm" style="text-align:right">{{moment(log.created_at).fromNow()}}</td>
<!-- <td @click="openEdit(log.id,log.user,log.title,log.type,log.description,log.created_at)"><i class="fas fa-edit"></i></td> -->
<td @click="deleteLog(key,log.id)"><i class="fas fa-trash-alt"></i></td>
</tr>
</tbody>
</table>
</div>
<!-- Modal -->
<div class="modal fade" id="exampleModalCenter" tabindex="-1" role="dialog" aria-labelledby="exampleModalCenterTitle" aria-hidden="true">
<div class="modal-dialog modal-dialog-centered" role="document">
<div class="modal-content">
<div class="modal-header">
<h5 class="modal-title" id="exampleModalLongTitle">Create new Log</h5>
<button type="button" class="close" data-dismiss="modal" aria-label="Close">
<i class="fas fa-times"></i>
</button>
</div>
<div class="modal-body">
<input type="hidden" name="_token" :value="csrf">
<input v-model="log.title" name="website" type="text" id="website" class="form-control" placeholder="Log Title"><br>
<select v-model="log.domain_id" id="type" class="form-control" name="type"><br>
<option value="" disabled selected>Website</option>
<option value="1">aerogen.com</option>
<option value="4">ardsolus.ie</option>
<option value="8">blacklionrealstate.fund</option>
<option value="11">blanchadstowncentre.ie</option>
<option value="7">chathamandking.ie</option>
<option value="5">clayfarm.ie</option>
<option value="10">edenplaza.ie</option>
<option value="6">hardwicke.ie</option>
<option value="2">kennedywilsonresidential.ie</option>
<option value="3">loulerie.ie</option>
<option value="9">procert.ie</option>
</select>
<br>
<select v-model="log.type" id="type" class="form-control" name="type"><br>
<option value="" disabled selected>Type</option>
<option>Client Update</option>
<option>Dev Update</option>
<option>Bug</option>
<option>Style Fix</option>
</select>
<br>
<label class="left" for="description">Log Description:</label>
<textarea v-model="log.description" class="form-control" rows="5" id="description" name="description"></textarea>
<br>
<div class="left">
<input v-model="tell" type="checkbox" name="tell-everyone" id="tell-everyone">
<label for="description">Tell Everyone?</label>
<br>
<input v-model="checked" type="checkbox" name="status" id="status" value="checked">
<label for="checked">Resolved and Tested?</label>
</div>
</div>
<div class="modal-footer">
<button :disabled="!checked || !isComplete" id="log-it" type="button" class="btn btn-circle btn-xl" data-dismiss="modal" @click="save">
<span v-if="checked && isComplete" id="button-content"><b>LOG IT</b></span>
<span v-else id="button-content"><b>FIX IT</b></span>
</button>
</div>
</div>
</div>
</div>
</div>
</template>
<script>
import axios from 'axios';
import moment from 'moment';
import ShowDetail from './ShowDetail.vue';
import EditLog from './EditLog.vue';
export default {
name:'Log',
data(){
return {
key:0,
logModalOpen: false,
editModalOpen: false,
isLoading:'',
checked:false,
tell:false,
logs: [],
log: {id:'', domain_id:'', title: '', type: '', description: ''},
csrf: document.querySelector('meta[name="csrf-token"]').getAttribute('content'),
errors:{},
//passing those variables to ShowDetails component
logId:'',
logUser:'',
logTitle:'',
logType:'',
logDescription:'',
logDate:'',
}
},
methods:{
getLogs(){
window.axios.get('/develogger-app/public/api/logs').then(({data})=>{
data.forEach(log =>{
this.logs.push(log)
});
});
},
moment,
save(){
this.isLoading = true;
if(this.log.title.length > 0 && this.log.domain_id.length > 0 && this.log.type.length > 0 && this.log.description.length > 0){
window.axios.post('/develogger-app/public/api/logs',this.log).then((response) => {
this.logs.push(response.data)
this.log.domain_id = '';
this.log.title = '';
this.log.type = '';
this.log.description = '';
this.checked = false;
setTimeout(() => {
this.isLoading = false;
}, 800);
}).catch((error) => this.errors = error.response.data.errors)
}
},
openLogs(id,user,title,type,description,date){
this.logId = id;
this.logUser = user;
this.logTitle = title;
this.logType = type;
this.logDescription = description;
this.logDate = date;
this.logModalOpen = true;
},
openEdit(id,user,title,type,description,date){
this.logId = id;
this.logUser = user;
this.logTitle = title;
this.logType = type;
this.logDescription = description;
this.logDate = date;
this.editModalOpen = true;
},
close(){
this.logModalOpen = false;
this.editModalOpen = false;
},
deleteLog(key,id){
if(confirm("Are you sure you want to delete?")){
this.isLoading = true;
window.axios.delete(`/develogger-app/public/api/logs/${id}`,this.log).then((response) => {
this.logs.push(response.data)
this.logs.splice(key,1);
setTimeout(() => {
this.isLoading = false;
}, 800);
this.logId = '';
}).catch((error) => this.errors = error.response.data.errors)
}
}
},
created(){
this.getLogs();
},
computed: {
isComplete () {
return this.log.title && this.log.domain_id && this.log.type && this.log.description;
}
},
components:{
'log-show-detail': ShowDetail,
'log-edit': EditLog,
}
}
</script>
答案 0 :(得分：2)
更改：
v-for="log in logs"至"v-for="(log, index) in logs" <td @click="deleteLog(key, log.id)"...至<td @click="deleteLog(index, log.id)"
<tbody>
<tr v-for="(log, index) in logs" :key="log.id" :log="log" @deleteLog="deleteLog" class="tr-table">
<td class="client-name" @click="openLogs(log.id,log.user,log.title,log.type,log.description,log.created_at)">{{ log.title }}</td>
<td class="" >{{ log.user }}</td>
<td class="client-pm" style="text-align:right">{{moment(log.created_at).fromNow()}}</td>
<!-- <td @click="openEdit(log.id,log.user,log.title,log.type,log.description,log.created_at)"><i class="fas fa-edit"></i></td> -->
<td @click="deleteLog(index,log.id)"><i class="fas fa-trash-alt"></i></td>
</tr>
</tbody>