微信小程序读取json数据

该文章为转载文章

index.wxml

<view class='list-head'>列表测试</view>
<view class='list-box'>
    <view class='list-li mflex'  wx:for="{{list_data}}"  wx:key="index" >
        <view class='list-img'><image src='{{item.imgUrl}}'></image></view>       
        <view  class='list-tit'><text>{{item.id}}、{{item.title}}</text></view>    
        <view class='list-con'><text>单价{{item.unitprice}}元/m²</text></view> 
        <view class='list-adr'><text>{{item.city}}</text></view>    
        <view class='list-tag'>
            <text class='tag_{{index}}' wx:for="{{item.tag}}" wx:for-item="cell" wx:key="index" >{{cell.tags}}</text>
        </view>          
    </view>
</view>

index.js

Page({

  /**
   * 页面的初始数据
   */
  data: {},

  /**
   * 生命周期函数--监听页面加载
   */
  onLoad: function (options) {
    var _this = this
    wx.request({
      url: 'http://自己的域名cn/index.json',//json数据地址
      headers: {
        'Content-Type': 'application/json'
      },
      success: function (res) {
        //console.log(res.data.imgListData)
        //console.log(res.data.imgListData[0].tag)
        //将获取到的json数据，存在名字叫list_data的这个数组中
        _this.setData({
          list_data: res.data.imgListData,
          //res代表success函数的事件对，data是固定的，imgListData是上面json数据中imgListData
        })
      }
    })
  }
})

index.json

{
  "imgListData": [
    {
      "id": "1",
      "title": "标题描述",
      "content": "内容描述 ",
      "city": "详细地址",
      "adrs": "上海",
      "room": "楼房描述",
      "imgUrl": "https://upload-images.jianshu.io/upload_images/13570975-792453585d7b84af.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240",
      "dataTimes": "时间",
      "peo": "姓名",
      "tel": "手机号",
      "pho": "照片地址",
      "money": "价格",
      "unitprice": "单价",
      "tag": [
        {
          "tags": "标签一"
        },{
          "tags": "标签七"
        },{
          "tags": "标签八"
        }
      ]
    },
    {
      "id": "2",
      "title": "标题描述",
      "content": "内容描述 ",
      "city": "详细地址",
      "adrs": "上海",
      "room": "楼房描述",
      "imgUrl": "https://upload-images.jianshu.io/upload_images/13570975-792453585d7b84af.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240",
      "dataTimes": "时间",
      "peo": "姓名",
      "tel": "手机号",
      "pho": "照片地址",
      "money": "价格",
      "unitprice": "单价",
      "tag": [
        {
          "tags": "标签二"
        },{
          "tags": "标签六"
        },{
          "tags": "标签七"
        }
      ]
    }
  ]
}

index.wxss

.mflex {display:flex;}
.list-head{text-align: center;font-size:32rpx;}
.list-li{height:166rpx;padding:40rpx 30rpx;border-bottom:2rpx solid #e4e7ec;flex-wrap:wrap;justify-content:space-between;flex-direction:column;align-items:center;}
.list-img{width:210rpx;height:166rpx;}
.list-img image{display: block;width:210rpx;height:166rpx;}
.list-tit,.list-adr,.list-tag,.list-con{width:calc( 100% - 240rpx );}
.list-tit{font-size:30rpx;color:#1c2627;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;display:inline-block;}
.list-con{font-size:24rpx;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;}
.list-adr{font-size:22rpx;color:#555;text-overflow:ellipsis;white-space:nowrap;overflow:hidden; }
.list-tag{font-size:20rpx;}
.list-tag text{background:#f5ecdf;color:#ff9d00;padding:5rpx;margin-right:10rpx;}
.list-money{font-size:30rpx;color:red;flex:1;text-align: right;font-weight:bold;}
.dizhi{flex:2;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;}
.list-tag text{color:#fff;}
.list-tag .tag_0{background:#c3dbf3;}
.list-tag .tag_1{background:#fbd08f}
.list-tag .tag_2{background:#fdd2d5;}
.list-tag .tag_3{background:#add2a5;}

实现效果：

json数据在服务器上显示效果：