✨(component): cascader组件特性更新,新增动态插槽用于自定内容

package/component/src/component/cascader/index.less

@@ -42,6 +42,6 @@
   background-color: var(--global-checked-color);
   color: white;
 }
-// .layui-cascader.layui-dropdown-up > dl {
-//   min-width: unset;
-// }
+.layui-cascader-menu-item .layui-icon-right{
+  margin-left: 10px;
+}

package/component/src/component/cascader/index.vue

@@ -34,7 +34,11 @@
                 },
               ]"
             >
-              {{ item.label }}
+              <slot
+                :name="item.slot"
+                v-if="item.slot && slots[item.slot]"
+              ></slot>
+              <template v-else>{{ item.label }}</template>
               <i
                 class="layui-icon layui-icon-right"
                 v-if="item.children && item.children.length"
@@ -153,6 +157,7 @@ function findData(orginData: any, level: number) {
       data.push({
         value: element.value,
         label: element.label,
+        slot: element.slot || false,
         children: element.children ?? false,
       });
     }