管理后台-商品新增：新增最多可选数量字段

htmldev/manage/src/views/business/pms/goods/details.vue

@@ -121,7 +121,7 @@
                       :label="'附加' + (index + 1)"
                       :prop="'attachs.' + index + '.attach_name'"
                       :rules="rules.attach">
-          <el-col :span="8">
+          <el-col :span="6">
             <el-select
               v-model="attr.attach_name"
               filterable
@@ -138,7 +138,7 @@
               </el-option>
             </el-select>
           </el-col>
-          <el-col :span="12">
+          <el-col :span="10">
             <el-select
               v-model="attr.attach_content"
               multiple
@@ -155,6 +155,11 @@
               </el-option>
             </el-select>
           </el-col>
+          <el-col :span="4">
+            <el-input type="number"
+                      v-model="attr.attach_max_num"
+                      placeholder="最多可选数量"></el-input>
+          </el-col>
           <el-col :span="3" :offset="1">
             <el-button type="warning"
                        size="small"
@@ -232,7 +237,9 @@ export default {
     const checkAttachContent = (rule, value, callback) => {
       const index = rule.field.replace(/\w*\./, '').replace(/\.\w*/, '')
       const attachContent = this.form.attachs[index * 1].attach_content
-      if ((value && attachContent.length) || (!value && attachContent.length < 1)) {
+      const attachMaxNum = this.form.attachs[index * 1].attach_max_num * 1
+
+      if ((value && attachContent.length && attachMaxNum > 0) || (!value && attachContent.length < 1)) {
         callback()
       } else {
         if (!value) {
@@ -241,6 +248,9 @@ export default {
         if (!attachContent.length) {
           callback(new Error('请选择附加明细'))
         }
+        if (!attachMaxNum) {
+          callback(new Error('请输入最多可选数量'))
+        }
       }
     }
 
@@ -265,7 +275,8 @@ export default {
         attachs: [
           {
             attach_name: '', // 规格名称
-            attach_content: [] // 附加选项(以逗号隔开)
+            attach_content: [], // 附加选项(以逗号隔开)
+            attach_max_num: 1
           }
         ] // 规格
       },
@@ -330,7 +341,8 @@ export default {
     addAttach () {
       this.form.attachs.push({
         attach_name: '',
-        attach_content: []
+        attach_content: [],
+        attach_max_num: 1
       })
     },
     setAttachContentOptions (name, arr) {