//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
  })
 },