[b]方法说明:[/b]
返回path的目录。类似于UNIX目录命令。
[b]语法:[/b]
path.dirname(p)
由于该方法属于path模块,使用前需要引入path模块(var path= require(“path”) )
[b]接收参数:[/b]
p path地址
[b]例子:[/b]
var path= require("path");
path.dirname('/foo/bar/baz/asdf/quux')
// returns
'/foo/bar/baz/asdf'
[b]源码:[/b]
exports.dirname = function(path) {
var result = splitPath(path),
root = result[0],
dir = result[1];
if (!root && !dir) {
// No dirname whatsoever
return '.';
}
if (dir) {
// It has a dirname, strip trailing slash
dir = dir.substr(0, dir.length - 1);
}
return root + dir;
};