微信小程序开发（二）：页面跳转并传参操作示

<view class='float-g' bindtap="onPostClick">
  <i-icon class="post" type="brush_fill" size="30" color="#fff"/>
</view>

 onPostClick: function (event) {
  //跳转至发送信息页面，带返回按钮
  wx.navigateTo({
   url: '../groupWriteTalk/groupWriteTalk?project_id=' + this.data.project_id
  })
 },

 /
   生命周期函数--监听页面加载
  /
 onLoad: function (options) {
  var that = this;
  that.setData({
   project_id: options.project_id
  })
 },

//跳回小组讨论列表页面
wx.navigateBack();