nodejs的url模块中的resolve，的用法总结

1 var url = require('url');
2 var a = url.resolve('/one/two/three', 'four') ,
3 b = url.resolve('http://example.com/', '/one'),
4 c = url.resolve('http://example.com/one', '/two');
5 console.log(a +","+ b +","+ c);
6 //输出结果：
7 ///one/two/four
8 //http://example.com/one
9 //http://example.com/two

注意总结用法规律；

替换 域名后面第一个“/”后的内容；