微信小程序之跨界面传参

//index.wxml
<form bindsubmit="formSubmit" bindreset="formReset" class="myform">
  <text class="prompt">给自己起个名字吧</text> 
  <input placeholder="给自己起个名字吧" name="uesrname"/>
  <!--<navigator url="../logs/logs?title=我是index" >跳转到新页面</navigator>      之间传参-->
  <!--<navigator url="../logs/logs?title=我是index" redirect>在当前页打开</navigator>      -->
  <button form-type="submit" type="primary" size="mini">确定</button>
  <button form-type="reset" type="warn" size="mini">重置</button>
 </form> 

 formSubmit:function(e){
    var da = e.detail.value;
    var qu = da.uesrname;
    this.setData({
      username:qu
    }),
     wx.navigateTo({
      url: ‘../logs/logs?uesrname=‘+qu  //qu是上面input输入的值
    })
  },

//logs.js

Page({
  data: {
    motto: ‘Hello‘,
    userInfo: {},
    answer: stringAns,
    uesrname:‘‘   //设置一下接收的变量
  }, 
  onLoad: function (option) {   
    this.setData({
      uesrname:option.uesrname
    })
  },