微信小程序的template模板如何使用

template name="postItem">
 <view class=&#39;post-container&#39;>
  <view class=&#39;post-author-date&#39;>
   <image class=&#39;post-author&#39; src=&#39;{{avatar}}&#39;></image>
   <text class=&#39;post-date&#39;>{{date}}</text>
  </view>
  <text class=&#39;post-title&#39;>{{title}}</text>
  <image class=&#39;post-image&#39; src=&#39;{{imgSrc}}&#39;></image>
  <text class=&#39;post-content&#39;>{{content}}</text>
  <view class=&#39;post-like&#39;>
   <image class=&#39;post-like-image&#39; src=&#39;/images/icon/chat.png&#39;></image>
   <text class=&#39;post-link-text&#39;>{{collection}}</text>
   <image class=&#39;post-like-image&#39; src=&#39;/images/icon/view.png&#39;></image>
   <text class=&#39;post-link-text&#39;>{{reading}}</text>
  </view>
 </view>
</template>

.post-container {
 display: flex;
 flex-direction: column;
 margin-top: 20rpx;
 margin-bottom: 40rpx;
 background-color: white;
 border-bottom: 1px solid #ededed;
 border-top: 1px solid #ededed;
 padding-bottom: 5px;
}
.post-author-date {
 margin: 10rpx 0 20rpx 10rpx;
}
.post-author {
 width: 60rpx;
 height: 60rpx;
 vertical-align: middle;
}
.post-date {
 margin-left: 20rpx;
 vertical-align: middle;
 margin-bottom: 5px;
 font-size: 26rpx;
}
.post-title {
 font-size: 34rpx;
 font-weight: 600;
 color: #333;
 margin-bottom: 10px;
 margin-left: 10px;
 margin-right: 10px;
}
.post-image {
 margin-left: 16px;
 width: 100%;
 height: 340rpx;
 margin: auto 0;
 margin-bottom: 15rpx;
}
.post-content {
 color: #666;
 font-size: 28rpx;
 margin-bottom: 20rpx;
 margin-left: 20rpx;
 margin-right: 20rpx;
 letter-spacing: 2rpx;
 line-height: 40rpx;
}
.post-like {
 font-size: 13px;
 flex-direction: row;
 line-height: 16px;
 margin-left: 16px;
 color: gray;
}
.post-like-image {
 height: 16px;
 width: 16px;
 margin-right: 8px;
 vertical-align: middle;
}
.post-link-text {
 vertical-align: middle;
 margin-right: 20px;
}

<import src="post-item/post-item-template.wxml" />
<view>
 <block wx:for="{{postList}}" wx:for-item="item">
   <template is="postItem" data="{{...item}}" />
 </block>
</view>

@import 'post-item/post-item-template.wxss';