1.jstl标签库
http://archive.apache.org/dist/jakarta/taglibs/standard/binaries/
2.tomcat服务器
http://tomcat.apache.org/
3.mysql架包
https://mvnrepository.com/
4.jquery
https://github.com/jquery/jquery/releases
5.图标
http://icons8.com/preloaders
6.jquery-form
http://malsup.com/jquery/form/
7.图标字体库
http://fontawesome.dashgame.com/
8.web弹窗(alert)
http://layer.layui.com/
9.ztree
http://www.treejs.cn/v3/api.php
10.laydate时间插件
https://www.layui.com/laydate/
11.文件上传组件
https://fex.baidu.com/webuploader/
12.maven
https://mvnrepository.com/