1,File——new——Spring Starter Project;
2,you can define this three item‘s value, then click next;
3,you just need to select the web item, then click Finish;
4,then, you can see your project like this;
5,you need to add a new class file like this and add the same code.
6,run this file,
7,then, input this url in your power, you can see the succeed result.
SpringBoot maven build a new demo
原文：http://www.cnblogs.com/wonderful-day/p/7677125.html