效果：

代码：

<template><view class="container"><button @click="showModal = true">点击按钮</button><view class="modal-overlay" v-if="showModal" @click="closeModal"></view><view class="modal-container" :class="{ active: showModal }"><!-- 右侧弹窗的内容 --><view class="modal-content"><!-- 内容区域 --><text>这是右侧弹窗的内容</text></view></view></view>
</template><script>
export default {data() {return {showModal: false, // 控制弹窗显示与隐藏};},methods: {closeModal() {this.showModal = false;},},
};
</script><style>
.container {height: 100vh;display: flex;justify-content: center;align-items: center;
}.modal-overlay {position: fixed;top: 0;left: 0;right: 0;bottom: 0;background-color: rgba(0, 0, 0, 0.5);z-index: 999;
}.modal-container {position: fixed;top: 0;right: -100%; /* 初始时隐藏弹窗 */width: 300px;height: 100%;background-color: #fff;z-index: 1000;transition: right 0.3s ease;
}.modal-container.active {right: 0; /* 显示弹窗 */
}.modal-content {padding: 20px;
}
</style>