默认请求十条数据

Components/BUserOrder/src/main/java/com/yidian/shenghuoquan/buserorder/viewmodel/OrderListViewModel.kt

 package com.yidian.shenghuoquan.buserorder.viewmodel
 
 import android.os.Handler
-import android.view.View
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import com.yidian.bcommon.mvvm.BaseViewModel
@@ -9,8 +8,7 @@ import com.yidian.bcommon.utils.CPointUtils
 import com.yidian.shenghuoquan.buserorder.app.bean.OrderWebData
 import com.yidian.shenghuoquan.buserorder.http.UserOrderListOperation
 import com.yidian.shenghuoquan.buserorder.http.callback.OrderListCallBack
-import kotlinx.coroutines.delay
-import org.json.JSONArray
+import okhttp3.internal.notify
 import org.json.JSONObject
 import timber.log.Timber
 
@@ -36,12 +34,19 @@ class OrderListViewModel : BaseViewModel(){
   fun requestLoadMoreUserOrder(param:HashMap<String, String?>) {
     _state = REQUESTING
     _operationType = LOAD
-    UserOrderListOperation.userOrderList(generateLoadmoreParma(param), orderListCallBack)
+    UserOrderListOperation.userOrderList(generateLoadmoreParam(param), orderListCallBack)
   }
     private var orderListCallBack = object : OrderListCallBack {
       override fun onOrderListCallback(orders: List<OrderWebData>?) {
         if (orders != null) {
-          orderList.value = orders!!
+          when(_operationType) {
+            PULL -> {
+              orderList.value = orders!!
+            }
+            LOAD -> {
+              orderList.value = orderList.value?.plus(orders)
+            }
+          }
           scanBackPoitReport()
         }
         Handler().postDelayed({
@@ -50,12 +55,16 @@ class OrderListViewModel : BaseViewModel(){
       }
     }
 
-  private fun generateLoadmoreParma(param:HashMap<String, String?>):HashMap<String, String?> {
+  private fun generateLoadmoreParam(param:HashMap<String, String?>):HashMap<String, String?> {
     param["business_from"] = "2"
     if (_listType == REFUND) {
       param["order_status"] = "5"
     }
-    param["num"] = "${orderList.value?.size?.plus(10)}"
+    if (!orderList.value.isNullOrEmpty()) {
+      param["last_id"] = orderList.value?.last()?.order_id
+    }
+    param["num"] = "10"
+//    param["num"] = "${orderList.value?.size?.plus(10)}"
     return param
   }
   private fun generateRereshParma(param:HashMap<String, String?>):HashMap<String, String?> {