添加了注释，完善了参数校验及空值处理

app/src/main/java/com/sw/inbound/model/response/DictType.kt

@@ -3,6 +3,9 @@ package com.sw.inbound.model.response
 import android.os.Parcelable
 import kotlinx.parcelize.Parcelize
 
+/**
+ * 字典类型 如仓库列表 物品类型 存储方式等
+ */
 @Parcelize
 data class DictType(
     val id: Int,

app/src/main/java/com/sw/inbound/model/response/GoodsInfo.kt

@@ -75,12 +75,15 @@ data class GoodsInfo(
 
     // 收货数量  收货入参
     var receivedNum: Float? = null,
+    // 收货数量显示
+    var receivedNumTemp: String = "",
     // 重量  收货入参
     var goodsWeight: BigDecimal? = null,
 
     // 已调整
     var isAdjusted: Boolean = false,
 
+    // 选中物品的可选单位
     var unitList: List<UnitVo> = emptyList<UnitVo>()
 ) : Parcelable, BaseBean() {
 
@@ -173,9 +176,25 @@ data class GoodsInfo(
             return warehouseName!!
         }
 
-    fun hasNull(): Boolean {
-        return goodName == null || warehouseId == null ||
-                purchaseUnitId == null || recUnitPriceTaxIn == null
-                || receiveCount == null || recPriceExItem == null
+    fun hasNullField(): String? {
+        if (warehouseId == null) {
+            return "请选择仓库"
+        }
+        if (receivedNum == null || receivedNum == 0f) {
+            return "请输入收货数量或进行称重"
+        }
+        if (recUnitPriceTaxIn == null || recUnitPriceTaxIn == 0f) {
+            return "请输入收货单价"
+        }
+        if (recPriceExItem == null || recPriceExItem == 0f) {
+            return "请输入收货金额"
+        }
+        if (goodsWeight == null || goodsWeight == BigDecimal(0)) {
+            return "请放入要称重的物品"
+        }
+        return null
+//        return goodName == null || warehouseId == null ||
+//                purchaseUnitId == null || recUnitPriceTaxIn == null
+//                || receiveCount == null || recPriceExItem == null
     }
 }

app/src/main/java/com/sw/inbound/model/response/GoodsType.kt

@@ -5,6 +5,9 @@ import android.os.Parcelable
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+/**
+ * 物品类型
+ */
 @Parcelize
 data class GoodsType(
     @SerializedName("allType")

app/src/main/java/com/sw/inbound/model/response/PurchaseInfo.kt

@@ -1,5 +1,8 @@
 package com.sw.inbound.model.response
 
+/**
+ * 采购详情
+ */
 data class PurchaseInfo(
     /**
      * 单据id
@@ -12,21 +15,22 @@ data class PurchaseInfo(
     /**
      * 供应商名称
      */
-    var supplierName: String = "",
+    var supplierName: String? = "",
     /**
      * 采购单号
      */
-    var purCode: String = "",
+    var purCode: String? = "",
     /**
      * 收货单号
      */
-    var receiveCode: String = "",
+    var receiveCode: String? = "",
 
     /**
      * 物品信息
      */
-    var receiveGoodsInfoList: List<GoodsInfo> = emptyList<GoodsInfo>()
-) : BaseBean() {
+    var receiveGoodsInfoList: List<GoodsInfo> = emptyList<GoodsInfo>(),
     // 自用
     var warehouseName: String = "选择仓库"
+) : BaseBean() {
+
 }

app/src/main/java/com/sw/inbound/model/response/SearchGoodsInfo.kt

@@ -5,6 +5,9 @@ import android.os.Parcelable
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+/**
+ * 搜索商品结果
+ */
 @Parcelize
 data class SearchGoodsInfo(
     @SerializedName("current")
@@ -60,7 +63,7 @@ data class SearchGoodsInfo(
          * 采购单位列表
          */
         @SerializedName("unitVoList")
-        val unitVoList: List<UnitVo>? = listOf(),
+        val unitVoList: List<UnitVo>? = null,
         @SerializedName("zjmCode")
         val zjmCode: String? = ""
     ) : Parcelable {

app/src/main/java/com/sw/inbound/model/response/SupplierInfo.kt

@@ -5,6 +5,9 @@ import android.os.Parcelable
 import com.google.gson.annotations.SerializedName
 import kotlinx.parcelize.Parcelize
 
+/**
+ * 采购信息
+ */
 @Parcelize
 data class SupplierInfo(
     @SerializedName("createTime")