fix(AppendForm): 修复 批量添加表单配置 按钮点击事件未使用批量方法 问题; 表单排版改用baseColProps一次配置，减少重复代码 (#2504)

* fix(AppendForm): 修复 批量添加表单配置 按钮点击事件未使用批量方法 问题

* perf(AppendForm): 表单排版改用baseColProps一次配置，减少重复代码
Co-authored-by: N苗大 <caoshengmiao@hypergryph.com>

src/views/demo/form/AppendForm.vue

@@ -4,7 +4,9 @@
       <BasicForm @register="register" @submit="handleSubmit">
         <template #add="{ field }">
           <Button v-if="Number(field) === 0" @click="add">+</Button>
-          <Button class="ml-2" v-if="Number(field) === 0" @click="add">批量添加表单配置</Button>
+          <Button class="ml-2" v-if="Number(field) === 0" @click="batchAdd">
+            批量添加表单配置
+          </Button>
           <Button v-if="field > 0" @click="del(field)">-</Button>
         </template>
       </BasicForm>
@@ -28,32 +30,24 @@
             field: 'field0a',
             component: 'Input',
             label: '字段0',
-            colProps: {
-              span: 8,
-            },
             required: true,
           },
           {
             field: 'field0b',
             component: 'Input',
             label: '字段0',
-            colProps: {
-              span: 8,
-            },
             required: true,
           },
           {
             field: '0',
             component: 'Input',
             label: ' ',
-            colProps: {
-              span: 8,
-            },
             slot: 'add',
           },
         ],
         labelWidth: 100,
         actionColOptions: { span: 24 },
+        baseColProps: { span: 8 },
       });
 
       async function handleSubmit() {
@@ -73,9 +67,6 @@
             field: `field${n.value}a`,
             component: 'Input',
             label: '字段' + n.value,
-            colProps: {
-              span: 8,
-            },
             required: true,
           },
           '',
@@ -85,9 +76,6 @@
             field: `field${n.value}b`,
             component: 'Input',
             label: '字段' + n.value,
-            colProps: {
-              span: 8,
-            },
             required: true,
           },
           '',
@@ -98,9 +86,6 @@
             field: `${n.value}`,
             component: 'Input',
             label: ' ',
-            colProps: {
-              span: 8,
-            },
             slot: 'add',
           },
           '',
@@ -117,27 +102,18 @@
               field: `field${n.value}a`,
               component: 'Input',
               label: '字段' + n.value,
-              colProps: {
-                span: 8,
-              },
               required: true,
             },
             {
               field: `field${n.value}b`,
               component: 'Input',
               label: '字段' + n.value,
-              colProps: {
-                span: 8,
-              },
               required: true,
             },
             {
               field: `${n.value}`,
               component: 'Input',
               label: ' ',
-              colProps: {
-                span: 8,
-              },
               slot: 'add',
             },
           ],