弹出层提示

弹出层代码<div class="demo"> <div class="demo_1"> 基本示例：<button>点击这里</button> </div> <div class="demo_2"> 提示成功：<button>点击这里</button> </div> <div class="demo_3"> 提示失败：<button>点击这里</button> </div> <div class="demo_4"> 提示确认：<button>点击这里</button> </div> <div class="demo_5"> 定义内容：<button>点击这里</button> </div> <div class="demo_6"> 确认输入：<button>点击这里</button> </div> </div>