str=[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
转载于:https://www.cnblogs.com/fanwa/archive/2012/02/15/2352402.html
str=[str stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
转载于:https://www.cnblogs.com/fanwa/archive/2012/02/15/2352402.html