【新增】前端代码第一次提交

src/components/VerticalButtonGroup/index.vue

@@ -0,0 +1,44 @@
+<template>
+  <el-button-group v-bind="$attrs">
+    <slot></slot>
+  </el-button-group>
+</template>
+
+<script setup lang="ts">
+/**
+ * 垂直按钮组
+ * Element官方的按钮组只支持水平显示，通过重写样式实现垂直布局
+ */
+defineOptions({ name: 'VerticalButtonGroup' })
+</script>
+
+<style scoped lang="scss">
+.el-button-group {
+  display: inline-flex;
+  flex-direction: column;
+}
+
+.el-button-group > :deep(.el-button:first-child) {
+  border-bottom-color: var(--el-button-divide-border-color);
+  border-top-right-radius: var(--el-border-radius-base);
+  border-bottom-right-radius: 0;
+  border-bottom-left-radius: 0;
+}
+
+.el-button-group > :deep(.el-button:last-child) {
+  border-top-color: var(--el-button-divide-border-color);
+  border-top-right-radius: 0;
+  border-bottom-left-radius: var(--el-border-radius-base);
+  border-top-left-radius: 0;
+}
+
+.el-button-group :deep(.el-button--primary:not(:first-child, :last-child)) {
+  border-top-color: var(--el-button-divide-border-color);
+  border-bottom-color: var(--el-button-divide-border-color);
+}
+
+.el-button-group > :deep(.el-button:not(:last-child)) {
+  margin-right: 0;
+  margin-bottom: -1px;
+}
+</style>