feat: ma-crud表格增加表头插槽，可以自定义表头了

src/components/ma-crud/components/column.vue

@@ -54,6 +54,9 @@
           :sortable="row.sortable"
           v-else
       >
+        <template #title>
+          <slot :name="`tableTitle-${row.dataIndex}`">{{ row.title }}</slot>
+        </template>
         <template #cell="{ record, column, rowIndex }">
           <!-- 操作栏 -->
           <template v-if="row.dataIndex === '__operation'">

src/components/ma-crud/index.vue

@@ -203,6 +203,10 @@
                     <slot name="operationAfterExtend" v-bind="{ record, column, rowIndex }"></slot>
                   </template>
 
+                  <template v-for="slot in getTitleSlot(columns)" #[slot]>
+                    <slot :name="`${slot}`" />
+                  </template>
+
                   <template
                     v-for="(slot, slotIndex) in getSlot(columns)"
                     :key="slotIndex"
@@ -420,6 +424,19 @@ const getSlot = (cls = []) => {
   return sls
 }
 
+const getTitleSlot = (cls = []) => {
+  let sls = []
+  cls.map(item => {
+    if (item.children && item.children.length > 0) {
+      let tmp = getTitleSlot(item.children)
+      sls.push(...tmp)
+    } else if (item.dataIndex) {
+      sls.push(`tableTitle-${item.dataIndex}`)
+    }
+  })
+  return sls
+}
+
 const getSearchSlot = () => {
   let sls = []
   columns.value.map(item => {