Selenium帮助文档:https://seleniumhq.github.io/selenium/docs/api/java/org/openqa/selenium/support/ui/ExpectedConditions.html
selenium+java完整框架 :http://www.cnblogs.com/sdet/p/3649096.html
java_docs : https://docs.oracle.com/javase/8/docs/api/
httpclient_docs : http://hc.apache.org/httpcomponents-client-4.5.x/httpclient/apidocs/index.html
httpclient_example : http://hc.apache.org/httpcomponents-client-4.5.x/quickstart.html
SLF4J : https://www.slf4j.org/download.html
LogBack : https://wiki.base22.com/btg/how-to-setup-slf4j-and-logback-in-a-web-app-fast-35488048.html
springcloud:https://blog.csdn.net/qq_27828675/article/details/83384178