微信小程序 wx:for遍历循环使用实例解析

// pages/type/type.js
Page({

 /**
  * 页面的初始数据
  */
 data: {
  types: ""
 },
 editType: function (e) {
   var typeId = e.currentTarget.dataset['id'];
   console.log("edit:"+typeId);


  wx.navigateTo({
   url: '../type_edit/type_edit?typeId=' + typeId
  })
 },
 delType:function(e){

  var typeId = e.currentTarget.dataset['id'];

  console.log("delete:"+typeId)


  wx.showModal({
   title: '提示',
   content: '确认要删除该支出类型?',
   success: function (res) {
    if (res.confirm) {
     console.log('用户点击确定')

     wx.request({

      url: getApp().globalData.urlPath + "spendingType/delete",
      method: "POST",
      data: {
       typeId: typeId
      },
      header: {
       "Content-Type": "application/x-www-form-urlencoded"
      },
      success: function (res) {
       console.log(res.data.code);
       if (res.statusCode == 200) {

        //访问正常
        if (res.data.code == "000000") {
         wx.showToast({
          title: "删除成功，返回支出类型列表",
          icon: 'success',
          duration: 3000,
          success: function () {

           wx.navigateTo({
            url: '../type/type'
           })
          }
         })

        }
       } else {

        wx.showLoading({
         title: '系统异常',
         fail
        })

        setTimeout(function () {
         wx.hideLoading()
        }, 2000)
       }

      }
     })


    } else if (res.cancel) {
     console.log('用户点击取消')
    }
   }
  })

 },
 /**
  * 生命周期函数--监听页面加载
  */
 onLoad: function (options) {
  wx.setNavigationBarTitle({

   title: "支出类型列表"

  })
  var userCode = wx.getStorageSync('userId');
  var self = this
  wx.request({
   url: getApp().globalData.urlPath + "spendingType/types",//json数据地址 
   data: {
    userCode: userCode
   },
   headers: {
    "Content-Type": "application/x-www-form-urlencoded"
   },
   success: function (res) {
    self.setData({

     types: res.data.data

    });//等同于

   }
  })
 },

 /**
  * 生命周期函数--监听页面初次渲染完成
  */
 onReady: function () {

 },

 /**
  * 生命周期函数--监听页面显示
  */
 onShow: function () {

 },

 /**
  * 生命周期函数--监听页面隐藏
  */
 onHide: function () {

 },

 /**
  * 生命周期函数--监听页面卸载
  */
 onUnload: function () {

 },

 /**
  * 页面相关事件处理函数--监听用户下拉动作
  */
 onPullDownRefresh: function () {

 },

 /**
  * 页面上拉触底事件的处理函数
  */
 onReachBottom: function () {

 },

 /**
  * 用户点击右上角分享
  */
 onShareAppMessage: function () {

 }
})

<view>
 <view>
  <navigator url="/pages/type_add/type_add" hover-class="navigator-hover">添加支出类型信息</navigator>
 </view>
 <view>
  <text>\n</text>
 </view>
 <view>
  <view>
   <text>列表数据</text>
   <text>\n</text>
  </view>
<view class="table">
    <view class="tr thead">
     <view class="td">类型名</view>
     <view class="td">创建时间</view>
     <view class="td ">修改时间</view>
     <view class="td">备注</view>
     <view class="td ">操作</view>
    </view>
    <block>
     <view class="tr" wx:for="{{types}}" wx:for-item="item">
      <view class="td">{{item.typeName}}</view>
      <view class="td">{{item.createDate}}</view>
      <view class="td">{{item.modifyDate}}</view>
      <view class="td">{{item.remark}}</view>
      <view class="td">
       <text bindtap='editType' data-id="{{item.typeId}}">编辑</text>
       <text>\n</text>
       <text>\n</text>
       <text bindtap='delType' data-id="{{item.typeId}}">删除</text>
      </view>
     </view>
    </block>
   </view>
 </view>
</view>

<c:forEach var="u" items="${user}">
    <tr>
        <td>${u.cid}</td>
        <td>${u.cname}</td>
        <td>${u.age }</td>
    </tr>
</c:forEach>

$.each(classroom_list, function(i, c) {

          rows = rows + "<tr>";
          rows = rows + "<td>" + c.id + "</td>";
          rows = rows + "<td>" + c.nickname + "</td>";
          rows = rows + "<td><a href='student_submit_info.html?userId="+c.id+"'>查看详情</a></td>";
          rows = rows + "</tr>"
});

.table {
 border: 1px solid #ccc;
 font-size: 28rpx;
 background: #fff;
 border-right: none;
}
 
.tr{
 display: flex;
 justify-content: space-between;
}
 
.td {
 text-align: center;
 border: 1px solid #ccc;
 display: inline-block;
 border-left: none;
 border-bottom: none;
 padding: 10rpx 1%;
 width: 12%;
}
 
.thead .td{
 border-top: none;
 height: 140rpx;
 line-height: 50rpx;
}