商品页 post.wxml

• data-postid="{{index}}

<view class="container">
    <swiper indicator-dots indicator-color="rgba(255,255,255,0.3)" indicator-active-color="rgba(255,255,255,1)" autoplay>
      <swiper-item>
        <image src="/dist/images/wx.png"></image>
      </swiper-item>
      <swiper-item>
         <image src="/dist/images/vr.png"></image>
      </swiper-item>
      <swiper-item>
         <image src="/dist/images/iqiyi.png"></image>
      </swiper-item>
    </swiper>
    <view class="article-list">
      <view class="article" wx:for="{{postList}}" wx:for-item="article" wx:key="index" catchtap="goDetail" data-postid="{{index}}">
        <view class="article-author-date">
          <image src="{{article.avatar}}" class="article-author"></image>
          <text class="article-date">{{article.date}}</text>
        </view>
        <text class="article-title">{{article.title}}</text>
        <image src="{{article.imgSrc}}" class="article-image"></image>
        <text class="article-content">
         {{article.content}}
        </text>
        <view class="article-link">
          <image src="/dist/images/icon/chat1.png"></image>
          <text>{{article.collection}}</text>       
          <image src="/dist/images/icon/view.png"></image>
          <text>{{article.reading}}</text>
        </view> 
      </view> 
    </view>
</view>

post.js

• en对象获取postid

var postData = require ("../../data/posts-data.js");
Page({
  onLoad:function(){
    this.setData({
      postList:postData.postList
    })
  },

  goDetail:function(en){

    var postid = en.currentTarget.dataset.postid;
    wx.navigateTo({
      url:"post-detail/post-detail?postId="+postid
    })
  }
})

商品详情页 post-detail.js

• 用option接收postid

var postData = require("../../../data/posts-data.js");
Page({
  onLoad:function(option){
    console.log(option);
  }
})