修改毛重自动计算净重，修改净重自动计算毛重

src/views/modules/ecss/codelnotifyConfirm.vue

@@ -356,12 +356,12 @@
             </el-col>
             <el-col :span="6">
               <el-form-item label="毛重">
-                <el-input v-model="palletModelData.grossWeight" type="number" placeholder="自动计算"></el-input>
+                <el-input v-model="palletModelData.grossWeight" type="number" placeholder="自动计算" @input="onPalletGrossWeightChange"></el-input>
               </el-form-item>
             </el-col>
             <el-col :span="6">
               <el-form-item label="净重">
-                <el-input v-model="palletModelData.netWeight" type="number" placeholder="自动计算"></el-input>
+                <el-input v-model="palletModelData.netWeight" type="number" placeholder="自动计算" @input="onPalletNetWeightChange"></el-input>
               </el-form-item>
             </el-col>
             <el-col :span="6">
@@ -2750,6 +2750,68 @@
         this.palletModelData.grossWeight = parseFloat(grossWeight.toFixed(2));
         this.palletModelData.netWeight = parseFloat(netWeight.toFixed(2));
       },
+
+      /**
+       * 毛重改变时自动计算净重
+       * 计算公式：净重 = 毛重 - (箱数 / 2)
+       */
+      onPalletGrossWeightChange(value) {
+        // 防止循环触发，使用标志位
+        if (this._isPalletWeightCalculating) {
+          return;
+        }
+
+        this._isPalletWeightCalculating = true;
+
+        try {
+          const grossWeight = parseFloat(value) || 0;
+          const boxQty = parseFloat(this.palletModelData.boxQty) || 0;
+
+          if (grossWeight <= 0) {
+            this.palletModelData.netWeight = '';
+            return;
+          }
+
+          // 计算净重：净重 = 毛重 - (箱数 / 2)
+          const netWeight = grossWeight - (boxQty / 2);
+
+          // 保留2位小数
+          this.palletModelData.netWeight = parseFloat(netWeight.toFixed(2));
+        } finally {
+          this._isPalletWeightCalculating = false;
+        }
+      },
+
+      /**
+       * 净重改变时自动计算毛重
+       * 反向计算公式：毛重 = 净重 + (箱数 / 2)
+       */
+      onPalletNetWeightChange(value) {
+        // 防止循环触发，使用标志位
+        if (this._isPalletWeightCalculating) {
+          return;
+        }
+
+        this._isPalletWeightCalculating = true;
+
+        try {
+          const netWeight = parseFloat(value) || 0;
+          const boxQty = parseFloat(this.palletModelData.boxQty) || 0;
+
+          if (netWeight <= 0) {
+            this.palletModelData.grossWeight = '';
+            return;
+          }
+
+          // 反向计算毛重：毛重 = 净重 + (箱数 / 2)
+          const grossWeight = netWeight + (boxQty / 2);
+
+          // 保留2位小数
+          this.palletModelData.grossWeight = parseFloat(grossWeight.toFixed(2));
+        } finally {
+          this._isPalletWeightCalculating = false;
+        }
+      },
       savePalletHeader(type) {
         // 过滤出 useQty > 0 的行
         const selectedRows = this.dataList8.filter(item => item.useQty && item.useQty > 0);