feat(AppWeightManage): 添加删除功能

- 重构 handleDelete 方法，通过 API 删除数据
- 更新删除按钮点击事件，传入正确的 id 参数
- 删除成功后重新获取数据，保持列表同步

project/xumu/AppWeightManage/add.vue

@@ -48,9 +48,15 @@ export default {
         }
       })
     },
-    handleDelete(index) {
+    handleDelete(id) {
       this.$confirm("确定删除该条数据？").then(() => {
-        this.detail.detailList.splice(index, 1)
+        this.instance.post("/api/breed/weight/del", null, {
+          params: {id}
+        }).then(res => {
+          if (res?.code == 0) {
+            this.getDetail()
+          }
+        })
       })
     },
     submit() {
@@ -109,7 +115,7 @@ export default {
             <template slot-scope="{row,$index}">
               <div class="table-options">
                 <el-button type="text" @click="dialog=true,form=row">编辑</el-button>
-                <el-button type="text" class="deleteBtn" @click="handleDelete($index)">删除</el-button>
+                <el-button type="text" class="deleteBtn" @click="handleDelete(row.id)">删除</el-button>
               </div>
             </template>
           </el-table-column>