软件下载集合--会不断更新

1. win 64位 solr下载： http://mirror.bit.edu.cn/apache/lucene/solr/7.3.1/solr-7.3.1.zip
2. Tomcat7
   64位: http://mirrors.shu.edu.cn/apache/tomcat/tomcat-7/v7.0.88/bin/apache-tomcat-7.0.88-windows-x64.zip
   32位: http://mirrors.shu.edu.cn/apache/tomcat/tomcat-7/v7.0.88/bin/apache-tomcat-7.0.88-windows-x86.zip