NSString+URLParser NSScanner

@implementation NSString (URLParser)

-(NSDictionary*)parserToDict

{

    NSScanner *scanner = [NSScanner scannerWithString:self];

    [scanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@"&?="]];

    NSString *key;

    NSString *value;

    NSMutableArray *keys = [NSMutableArray new];

    NSMutableArray *vars = [NSMutableArray new];

    [scanner scanUpToString:@"?" intoString:nil]; //ignore the beginning of the string and skip to the vars

    while ([scanner scanUpToString:@"=" intoString:&key]&&[scanner scanUpToString:@"&" intoString:&value]) {

        //[vars addObject:[tempString copy]];

        [keys addObject:key];

        [vars addObject:value];

    }

    return [NSDictionary dictionaryWithObjects:vars forKeys:keys];

}

@end

NSString+URLParser NSScanner

原文：http://www.cnblogs.com/feng9exe/p/7008633.html