合包封箱页面的长宽高修改后，体积也要根据长宽高自动计算

src/views/ecw/box/shippingAir/nodePage/mergePkg/pkgPage.vue

@@ -71,17 +71,17 @@
             <el-row>
               <el-col :span="8">
                 <el-form-item :label="$t('长')" prop="pkgLength">
-                  <el-input-number v-model="sealBoxForm.pkgLength" :controls="false" :precision="2" style="width: 100px" />
+                  <el-input-number v-model="sealBoxForm.pkgLength" :controls="false" :precision="2" style="width: 100px" @change="culSumVolume" />
                 </el-form-item>
               </el-col>
               <el-col :span="8">
                 <el-form-item :label="$t('宽')" prop="pkgWidth">
-                  <el-input-number v-model="sealBoxForm.pkgWidth" :controls="false" :precision="2" style="width: 100px" />
+                  <el-input-number v-model="sealBoxForm.pkgWidth" :controls="false" :precision="2" style="width: 100px" @change="culSumVolume" />
                 </el-form-item>
               </el-col>
               <el-col :span="8">
                 <el-form-item :label="$t('高')" prop="pkgHight">
-                  <el-input-number v-model="sealBoxForm.pkgHight" :controls="false" :precision="2" style="width: 100px" />
+                  <el-input-number v-model="sealBoxForm.pkgHight" :controls="false" :precision="2" style="width: 100px" @change="culSumVolume" />
                 </el-form-item>
               </el-col>
             </el-row>
@@ -188,6 +188,20 @@ export default {
       })
       return arr.toString()
     },
+    //计算封箱体积
+    culSumVolume() {
+      let temp = this.accMul(this.sealBoxForm.pkgLength, this.sealBoxForm.pkgWidth)
+      let sumVolume = this.accMul(temp, this.sealBoxForm.pkgHight)
+      this.$set(this.sealBoxForm, 'sumVolume', sumVolume)
+    },
+    accMul(arg1,arg2)
+    {
+      var m=0,s1=arg1.toString(),s2=arg2.toString();
+      try{m+=s1.split(".")[1].length}catch(e){}
+      try{m+=s2.split(".")[1].length}catch(e){}
+      let num = Number(s1.replace(".",""))*Number(s2.replace(".",""))/Math.pow(10,m)
+      return num.toFixed(2)
+    },
     getpositionNo(arr){
       if(!arr) return arr
       let data = []