1.引入
<script src="/src/ejs_production.js"></script>2.模板
<script id="content" type="text/template"> ???<div class="form-group col-lg-12"> ???????<label class="control-label ?col-lg-3 ?text-right"> ???????????[% if ( type == 1 ) { %] ???????????规格一内容： ???????????[% } else { %] ???????????规格二内容： ???????????[% } %] ???????</label> ???????<span class="input-group col-lg-8 input-group-option"> ???????????<select name="[%= name %]" id="[% id %]" class="form-control spec_cont" style="position: relative; left:-4px;z-index: 1;border-radius:3px;" aria-describedby="object" multiple="multiple"> ???????????????<option value="0">请选择</option> ???????????????[% for(var i=0; i<attr_val.length; i++) { %] ???????????????????<option value="[%= attr_val[i].id %]" >[%= attr_val[i].name %]</option> ???????????????[% } %] ???????????</select> ???????</span> ???</div></script>3.引入数据
$("#spec1").on("change",function(){ ???????????var data = {}; ???????????data.id = 'spec1_cont'; ???????????data.name = 'spec1_cont'; ???????????data.type = 1; ???????????let attr_key_id = $(this).val(); ???????????// 获取规格内容 ???????????$.ajax({ ???????????????type:'POST', ???????????????url:'get_attr_val', ???????????????data: {attr_key_id: attr_key_id}, ???????????????dataType:'json', ???????????????success:function(res){ ???????????????????if(res.errno == 0){ ???????????????????????data.attr_val = res.attr_val; ???????????????????????var h = new EJS({element:'content'}).render(data); ???????????????????????$('#spec1_div_container').html(h); ???????????????????????$('.spec_cont').select2(); ???????????????????} else { ???????????????????????$('#spec1_div_container').html(''); ???????????????????} ???????????????} ???????????});});里面有if，有for，有=。基本就够用了！
下载ejs_production
EJS基本用法
原文地址：https://www.cnblogs.com/jiqing9006/p/9609097.html