double loop traversing data, unable to get value
before, there is no double nesting, only one layer of nesting, the data can be rendered normally.
//
I don't know if the subject is careless. The subitems of v-for and the bound data are not the same name. By comparing the names of "dispatchGroup" and "dispatchGroups", we can see
< template id= "indexComponent" v br for = "ListItem in policeList" >
<div>
<div v-for="dispatchGroup in ListItem" v-bind:class="[ dispatchGroups.id==chiochedNo ? 'msgbox'+' '+dispatchGroups.policeselect+' '+dispatchGroups.policeDept : '' ,'msgbox'+' '+'msgbox-default'+' '+dispatchGroups.policeDept1]" @click.stop="chioceClick(dispatchGroups.id)">
<div v-cloak class="sname">{{dispatchGroups.name}}</div>
<div v-if="(dispatchGroups.hasChildren>0)&&(btnNext===true)"><a href="javascript：" class="link" data-id="1" @click.stop="getdispatchGroups(dispatchGroups.id,dispatchGroups.name)"></a></div>
<div class="clear"></div>
<div class="call_left">
<div v-bind:class="{'call-all-choose':dispatchGroups.pdtGroupNo==currentGroup.no ,'call-all':dispatchGroups.pdtGroupNo!=currentGroup.no}"
@mousedown="groupWinCallBtnClickEventForStart(dispatchGroups.pdtGroupNo)"
@mouseup="groupWinCallBtnClickEventForStop()"></div>
<div v-bind:class="{'call-all-choose':dispatchGroups.topicGroupNo==currentGroup.no ,'call-all':dispatchGroups.topicGroupNo!=currentGroup.no}"
@mousedown="groupWinCallBtnClickEventForStart(dispatchGroups.topicGroupNo)"
@mouseup="groupWinCallBtnClickEventForStop()" ></div>
</div>
<div class="clear"></div>
<div v-bind:class="'toolbar'+' '+dispatchGroups.policeseicon">
<a href="javascript：" class="ico1" v-bind:title="[dispatchGroups.pdtMemberNo!=null ? ' ' + dispatchGroups.pdtMemberNo: ' ']" @click="sendCall(dispatchGroups.pdtMemberNo)"></a>
<a href="javascript：" class="ico2" v-bind:title="' ' + dispatchGroups.phone" @click="openCall(dispatchGroups.phone,dispatchGroups.name)"></a>
<a href="javascript：" class="ico3" title="" @click = "openAddress(dispatchGroups.id,dispatchGroups.name)"></a>
<a href="javascript：" class="ico4" title="" @click = "sendGroupMsg(dispatchGroups.pdtGroupNo)"></a>
<a href="javascript：" class="ico5" title="" @click = "openViewConference(dispatchGroups.id)"></a>
</div>
</div>
</div>< / template >
if understood correctly, the author's doubt is that the data on index-component is not available.
if this is the case, the problem lies in index-component in the sub-component template you defined < template id= "indexComponent" v for for = "ListItem in policeList" >. < / template > , how can the structure outside the loop body obtain the data inside the loop body? There is a problem of value scope.
another official recommendation is that the for loop should not be defined on the placeholder tag template , but instead be replaced by a tag with substantive meaning.
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