打开exlipse 软件目录下css文件
D:\eclipseSTS\sts-bundle\sts-3.8.0.RELEASE\plugins\org.eclipse.ui.themes_1.1.200.v20160815-0536\css
后面加
CTabFolder Tree {
font-size: 14px;
font-family:'Consolas'
}
标签：Explorer,family,Package,Eclipse,sts,1.1,font,css,size
来源： https://www.cnblogs.com/Mr-Y1907/p/15413358.html