ObjectiveC urlencode/urldecode url加密解密

-(NSString*)urlEncoded:(NSString*)str {

 

    NSString *escapedUrlString = [str stringByAddingPercentEscapesUsingEncoding:NSASCIIStringEncoding];

    return escapedUrlString;

 

}

 

-(NSString*)urlDecoded:(NSString*)str {

 

    NSString *cleanUrlString =  [str stringByReplacingPercentEscapesUsingEncoding:NSASCIIStringEncoding];

    return cleanUrlString;

 

}

 

    NSString *devStr = @"http://localhost/dri/json?foo=#bar&something=true&miscc=Foo bar!";

 

    NSLog(@"devStr: %@",devStr);

 

    NSString *encString = [self urlEncoded:devStr];

    NSLog(@"encString: %@",encString);

 

    NSString *decString = [self urlDecoded:encString];

    NSLog(@"decString: %@",decString);