方法：Eclipse中设置在创建新类时自动生成注释 

windows–>preference
Java–>Code Style–>Code Templates
code–>new Java files

${filecomment}
${package_declaration}

/**

*类说明:

*@author   username

*date ${date}${time}

*version

*since [版本号,默认v1.0.0]

*/

${typecomment}
${type_declaration}

保存即可!