项目初始化

web-vue/packages/core/hooks/web/usePagination.ts

@@ -0,0 +1,34 @@
+import type { Ref } from 'vue';
+import { ref, unref, computed } from 'vue';
+
+function pagination<T = any>(list: T[], pageNo: number, pageSize: number): T[] {
+  const offset = (pageNo - 1) * Number(pageSize);
+  const ret =
+    offset + Number(pageSize) >= list.length
+      ? list.slice(offset, list.length)
+      : list.slice(offset, offset + Number(pageSize));
+  return ret;
+}
+
+export function usePagination<T = any>(list: Ref<T[]>, pageSize: number) {
+  const currentPage = ref(1);
+  const pageSizeRef = ref(pageSize);
+
+  const getPaginationList = computed(() => {
+    return pagination(unref(list), unref(currentPage), unref(pageSizeRef));
+  });
+
+  const getTotal = computed(() => {
+    return unref(list).length;
+  });
+
+  function setCurrentPage(page: number) {
+    currentPage.value = page;
+  }
+
+  function setPageSize(pageSize: number) {
+    pageSizeRef.value = pageSize;
+  }
+
+  return { setCurrentPage, getTotal, setPageSize, getPaginationList };
+}