var select = 'dd[lay-value=' + blog.UserId + ']';$('#advertisementUserId').siblings("div.layui-form-select").find('dl').find(select).click();另外记录上次选中,我选择用sessionStorage,demo<script>// 检测浏览器支持if (typeof(Storage) !== "undefined") { // 存储 sessionStorage.setItem("lastname", "Smith"); // 检索 document.getElementById("result").innerHTML = sessionStorage.getItem("lastname");} else { document.getElementById("result").innerHTML = "Sorry, your browser does not support Web Storage...";}</script>但是若value中含特殊字符等会导致查询报错,只需在lay-value=后加双引号即可var select = 'dd[lay-value="' + pointOption + '"]';