html：
<!--pages/forgotpwd/forgotpwd.wxml--><view class="container"><form bindsubmit='submit_email' wx:if="{{form_index == 0}}"><label>找回密码：第1步</label><view class="section"><input name="no" type='number' placeholder-class='small' placeholder='请输入学号' /></view><view class="section"><input name="email" placeholder-class='small' placeholder='请输入绑定的邮箱' /></view><button type='primary' placeholder-class='small' formType="submit" >下一步</button></form><form bindsubmit='submit_password' wx:else><label>找回密码：第2步</label><view class="section"><view class="left"><input name="pwd" password="{{mask}}" placeholder-class='small' placeholder='输入新密码' /></view><view class="right"><switch bindchange="switchChange"/></view></view><view class="section"><view class="left"><input name="validcode" type='number' placeholder-class='small' placeholder='输入邮件中的验证码'/></view><view class="right"><text style="color:#aaa">剩余：{{second}}秒</text></view></view><button type='primary' formType="submit" disabled="{{disabled}}" >提交</button></form></view>
js：
// pages/forgotpwd/forgotpwd.jsconst app = getApp();function countdown(that) {var second = that.data.secondif (second == 0) {that.setData({disabled: true});return;}var time = setTimeout(function () {that.setData({second: second - 1});countdown(that);}, 1000)}Page({/*** 页面的初始数据*/data: {form_index: 0,no: null,second: 30,disabled: false,mask: true},switchChange: function (e) {// console.log(e.detail.value)this.setData({ mask: !e.detail.value })},//提交邮箱submit_email: function (e) {var no = e.detail.value.no;var email = e.detail.value.email;if (email == null || email == '') {wx.showToast({title: '请输入邮箱',icon: 'none',duration: 2000})return;}wx.showLoading({title: '网络请求中...',})wx.request({url: 'https://www.lishuming.top/pj/index.php/student/api/forgotpwd',（接口）data: {no: no,email: email},method: "POST",header: {'content-type': 'application/x-www-form-urlencoded'},success: (res) => {wx.hideLoading();// console.log(res.data);if (res.data.error) {wx.showToast({title: res.data.msg,icon: 'none',duration: 2000})} else {this.setData({ no: no, second: res.data.expire });countdown(this);wx.showToast({title: res.data.msg,icon: 'none',duration: 2000})setTimeout(() => {this.setData({ form_index: 1 });}, 2000)}}})},//重设密码submit_password: function (e) {console.log(e);var validcode = e.detail.value.validcode;var pwd = e.detail.value.pwd;if (validcode == '' || validcode == null || pwd == '' || pwd == null) {wx.showToast({title: '验证码和密码不能为空',icon: 'none',duration: 2000})} else {wx.request({url: 'https://www.lishuming.top/pj/index.php/student/api/initpassword',method: 'POST',data: {no: this.data.no,validcode: validcode,pwd: pwd},header: {'content-type': 'application/x-www-form-urlencoded'},success: (res) => {// console.log(res.data);if (res.data.error) {wx.showToast({title: res.data.msg,icon: 'none',duration: 2000})} else {wx.showToast({title: res.data.msg,icon: 'success',duration: 2000})setTimeout(() => {wx.navigateBack({delta: 1})}, 2000)}}})}},/*** 生命周期函数--监听页面加载*/onLoad: function (options) {},/*** 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 () {}})
