taocan ui fix

@@ -34,7 +34,6 @@ Page({
    */
   onLoad: function (options) {
     this.options=options
-    this.getOrderInfo();
   },
 
   /**
@@ -48,21 +47,27 @@ Page({
    * 生命周期函数--监听页面显示
    */
   onShow: function () {
-
+    this.getOrderInfo();
   },
 
   /**
    * 生命周期函数--监听页面隐藏
    */
   onHide: function () {
-
+    if(this.getOrderInfoFlushInterval){
+      clearInterval(this.getOrderInfoFlushInterval)
+      this.getOrderInfoFlushInterval=null;
+    }
   },
 
   /**
    * 生命周期函数--监听页面卸载
    */
   onUnload: function () {
-
+    if(this.getOrderInfoFlushInterval){
+      clearInterval(this.getOrderInfoFlushInterval)
+      this.getOrderInfoFlushInterval=null;
+    }
   },
 
   /**
@@ -96,6 +101,7 @@ Page({
     }).then(async res=>{
       let qrcode=''
       if(res.data.order_info.status==2){
+        this.getOrderInfoFlush();
         qrcode=util.http_build_query({
           path:'pages/writeoff/setmeal',
           //path:'pages/me/s_index',
@@ -106,6 +112,10 @@ Page({
         },util.cgi('App.System.GetWxLiteCodeScene'))
       }else{
         qrcode=orderStatusStr[res.data.order_info.status].qrcode
+        if(this.getOrderInfoFlushInterval){
+          clearInterval(this.getOrderInfoFlushInterval)
+          this.getOrderInfoFlushInterval=null;
+        }
       }
       this.setData({
         order_info:{...res.data.order_info,...res.data.seller_info},
@@ -115,4 +125,11 @@ Page({
       })
     })
   },
+  getOrderInfoFlushInterval:null,
+  getOrderInfoFlush(){
+    if(this.getOrderInfoFlushInterval) return;
+    this.getOrderInfoFlushInterval=setInterval(()=>{
+      this.getOrderInfo()
+    },3000)
+  }
 })
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