refactor(535): 调整耳标照片上传逻辑

- 将 earPhoto 属性改为 picture
- 添加 upload 配置项，限制上传数量为 1- 优化 columns 数据结构，移除冗余定义

project/xumu/AppEarTag/etAdd.vue

@@ -1,17 +1,6 @@
 <script>
 import {mapState} from "vuex"
 
-const columns = [
-  {label: "序号", type: "index"},
-  {label: "生物芯片耳标号", prop: "biochipEarNumber", edit: 1},
-  {label: "电子耳标号", prop: "electronicEarNumber", edit: 1},
-  {label: "原厂耳标号", prop: "originalEarNumber", edit: 1},
-  {label: "戴耳标照片", prop: "picture", upload: {valueIsUrl: !0}},
-  {label: "品种", prop: "variety", select: {dict: "variety"}},
-  {label: "类别", prop: "category", select: {dict: "category"}},
-  {label: "日龄/天", prop: "age", num: 1},
-  {label: "体重/公斤", prop: "weight", num: 1},
-]
 export default {
   name: "etAdd",
   props: {
@@ -22,7 +11,6 @@ export default {
   data() {
     return {
       detail: {detailList: []},
-      columns,
     }
   },
   computed: {
@@ -34,6 +22,17 @@ export default {
       const appName = v.$parent.menuName || v.$parent.$options.label
       return v.$route.query.id ? v.isEdit ? `编辑${appName}` : `${appName}详情` : `新增${appName}`
     },
+    columns: v => [
+      {label: "序号", type: "index"},
+      {label: "生物芯片耳标号", prop: "biochipEarNumber", edit: 1},
+      {label: "电子耳标号", prop: "electronicEarNumber", edit: 1},
+      {label: "原厂耳标号", prop: "originalEarNumber", edit: 1},
+      {label: "戴耳标照片", prop: "picture", upload: {valueIsUrl: !0, instance: v.instance, limit: 1}},
+      {label: "品种", prop: "variety", select: {dict: "variety"}},
+      {label: "类别", prop: "category", select: {dict: "category"}},
+      {label: "日龄/天", prop: "age", num: 1},
+      {label: "体重/公斤", prop: "weight", num: 1},
+    ]
   },
   methods: {
     back(params = {}) {