feat(洗车): 新增洗车页面及相关功能

新增洗车页面，包括页面结构、样式和逻辑处理。支持显示进行中的洗车订单，并提供结算功能。同时，在首页添加了洗车订单的提示入口，方便用户查看订单状态

pages/washing/washing.js

@@ -0,0 +1,163 @@
+var t = getApp(), e = require("../../utils/login.js");
+
+Page({
+
+  /**
+   * 页面的初始数据
+   */
+  data: {
+    countdown: '',
+    agentname: '',
+    devicecode: '',
+    remainingTime: 0,
+    orderid: ''
+  },
+
+  /**
+   * 生命周期函数--监听页面加载
+   */
+  onLoad(options) {
+    const orderInfo = wx.getStorageSync('progressorder');
+    if (!orderInfo) {
+      wx.showToast({
+        title: '没有进行中的订单',
+        icon: 'none',
+        duration: 2000
+      });
+      setTimeout(() => {
+        wx.switchTab({
+          url: '/pages/index/index'
+        });
+      }, 2000);
+      return;
+    }
+
+    const currentTime = Math.floor(Date.now() / 1000);
+    const remainingTime = Math.max(0, orderInfo.timestamp + orderInfo.siteoccupationTime * 60 - currentTime);
+
+    this.setData({
+      agentname: orderInfo.agentname,
+      devicecode: orderInfo.devicecode,
+      remainingTime: remainingTime,
+      orderid: orderInfo.id
+    });
+
+    if (remainingTime > 0) {
+      this.countdown();
+    }
+  },
+
+  /**
+   * 生命周期函数--监听页面初次渲染完成
+   */
+  onReady() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面显示
+   */
+  onShow() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面隐藏
+   */
+  onHide() {
+
+  },
+
+  /**
+   * 生命周期函数--监听页面卸载
+   */
+  onUnload() {
+
+  },
+
+  /**
+   * 页面相关事件处理函数--监听用户下拉动作
+   */
+  onPullDownRefresh() {
+
+  },
+
+  /**
+   * 页面上拉触底事件的处理函数
+   */
+  onReachBottom() {
+
+  },
+
+  /**
+   * 用户点击右上角分享
+   */
+  onShareAppMessage() {
+
+  },
+  handleSettlement() {
+    wx.showModal({
+      title: '确认结算',
+      content: '确定要结算此次洗车订单吗？',
+      success: (res) => {
+        if (res.confirm) {
+          e.request('/miniprogram/machine/shutdown', {
+            orderid: this.data.orderid
+          }, true).then((res) => {
+            if (res.code === 200) {
+              wx.showToast({
+                title: res.message || '结算成功',
+                icon: 'success',
+                duration: 2000
+              });
+              setTimeout(() => {
+                wx.removeStorageSync('progressorder');
+                wx.reLaunch({
+                  url: '/pages/index/index'
+                });
+              }, 2000);
+            }
+          }).catch((err) => {
+            // setTimeout(() => {
+            //   wx.removeStorageSync('progressorder');
+            //   wx.reLaunch({
+            //     url: '/pages/index/index'
+            //   });
+            // }, 2000);
+          })
+        }
+      }
+    });
+  },
+
+  countdown() {
+
+    // 没有  Cannot read property 'remainingTime' of undefined
+    if (!this.data.remainingTime) {
+      this.setData({
+        countdown: '00:00'
+      });
+      return;
+    }
+
+
+    if (this.data.remainingTime <= 0) {
+      this.setData({
+        countdown: '00:00'
+      });
+      return;
+    }
+
+    const minute = Math.floor(this.data.remainingTime / 60);
+    const second = this.data.remainingTime % 60;
+    const formattedMinute = minute < 10 ? '0' + minute : minute;
+    const formattedSecond = second < 10 ? '0' + second : second;
+
+    this.setData({
+      countdown: formattedMinute + ':' + formattedSecond,
+      remainingTime: this.data.remainingTime - 1
+    });
+
+    setTimeout(this.countdown, 1000);
+  },
+})