IDEA设置
1.设置Maven :Setting--->Build,Excution,Deployment-->Build Tools-->Maven--->Maven home directory-->选择Maven暗转路径。
2.设置Utf-8 : setting-->Editor-->code style-File Encodings--Global Encoding: utf-8
3.配置tomcat :run -->eidtConfigurations-->"+"-->tomcatServer ->Name+Application server-->Deployment->"+"-->exploded