我NSString喜欢这样的:
NSString
http://www.
但我想将其转换为:
http%3A%2F%2Fwww.
我怎样才能做到这一点？
objective-c urlencode nsstring ios swift
ios ×1
nsstring ×1
objective-c ×1
swift ×1
urlencode ×1