微信小程序学习笔记之本地数据缓存功能详解

<?php   header("Content-type:text/html;charset=utf-8");  $arr = array("state"=>0,"data"=>array(),"msg"=>'');  $phone = $_POST['phone'];  $password = $_POST['password'];  if($phone && $password){	//省略验证......	//返回登录token	$tokenstr = 'liweishan666';	$token = $phone.time().$tokenstr;//省略加密	$arr['state'] = 1;	$arr['msg'] = '登录成功';	$arr['data']['token'] = $token;  }else{	$arr['msg'] = '参数错误';  }  echo json_encode($arr);  die;	

<form bindsubmit="formSubmit" bindreset="formReset"> <view>  手机号：<input type="text" name="phone" placeholder="请输入账号" confirm-type="done" />  密码：<input password type="number" name="password" placeholder="请输入6位密码" maxlength="6" /> </view> <view class="btn-area">  <button formType="submit">登录</button> </view> <view class="btn-area">  <button bindtap="gettoken">读取缓存token</button> </view> <view class="btn-area">{{token}}</view></form>

Page({ formSubmit: function (e) {  wx.request({   url: 'https://www.msllws.top/login.php',   data: {    'phone': e.detail.value.phone,    'password': e.detail.value.password   },   method: 'POST',   header: {    'Content-Type': 'application/x-www-form-urlencoded'   },   success: function (res) {    console.log(res.data);    //以键值对的形式存储到本地缓存    wx.setStorage({     key: "token",     data: res.data.data.token    })   },   fail: function () { },   complete: function () { }  }) }, gettoken: function (e) {  var that = this  wx.getStorage({   key: 'token',   success: function (res) {    that.setData({'token': res.data})   },   fail: function () { },   complete: function () { }  }) }})

wx.removeStorage({ key: 'token', success (res) {  console.log(res.data) } })

wx.clearStorage()