其实看这个错误描述就知道是嵌套的目录太多了, 把你的项目移到一级目录, 如: 我的是在 D: 盘下面很深的目录,然后我直接移动到 D: 盘下,然后重新运行命令就可以了.
Error: ELOOP: too many symbolic links encountered, stat 'D:\ng2+\ng-module\final
\node_modules\@angular\cli\node_modules\webpack\node_modules\escope\node_modules
\es6-map\node_modules\d\node_modules\es5-ext\node_modules\es6-iterator\node_modu
les\d\node_modules\es5-ext\node_modules\es6-iterator\node_modules\d\node_modules
\es5-ext\node_modules\es6-iterator\node_modules\d\node_modules\es5-ext\node_modu
les\es6-iterator\node_modules\d\node_modules\es5-ext\node_modules\es6-iterator\n
ode_modules\d\node_modules\es5-ext\node_modules\es6-iterator\node_modules\d\node
_modules\es5-ext\node_modules\es6-iterator\node_modules\d\node_modules\es5-ext\n
ode_modules\es6-iterator\node_modules\d\node_modules\es5-ext\node_modules\es6-it
erator\node_modules\d'
ELOOP: too many symbolic links encountered, stat 'D:\ng2+\ng-module\final\node_m
odules\@angular\cli\node_modules\webpack\node_modules\escope\node_modules\es6-ma
p\node_modules\d\node_modules\es5-ext\node_modules\es6-iterator\node_modules\d\n
ode_modules\es5-ext\node_modules\es6-iterator\node_modules\d\node_modules\es5-ex
t\node_modules\es6-iterator\node_modules\d\node_modules\es5-ext\node_modules\es6
-iterator\node_modules\d\node_modules\es5-ext\node_modules\es6-iterator\node_mod
ules\d\node_modules\es5-ext\node_modules\es6-iterator\node_modules\d\node_module
s\es5-ext\node_modules\es6-iterator\node_modules\d\node_modules\es5-ext\node_mod
ules\es6-iterator\node_modules\d\node_modules\es5-ext\node_modules\es6-iterator\
node_modules\d'
