IOS 拼接参数与URL

#import <Foundation/Foundation.h>

@interface MiceUtil : NSObject

+(NSString *) connectUrl:(NSMutableDictionary *)params url:(NSString *) urlLink;

@end

//
//  MiceUtil.m
//  EtaokoMerchant
//
//  Created by chenph on 15/11/25.
//  Copyright © 2015年 wmac. All rights reserved.
//

#import "MiceUtil.h"

@implementation MiceUtil

/**
* 传入参数与url，拼接为一个带参数的url
**/
+(NSString *) connectUrl:(NSMutableDictionary *)params url:(NSString *) urlLink{
// 初始化参数变量
NSString *str = @"&";

// 快速遍历参数数组
for(id key in params) {
NSLog(@"key :%@  value :%@", key, [params objectForKey:key]);
str = [str stringByAppendingString:key];
str = [str stringByAppendingString:@"＝"];
str = [str stringByAppendingString:[params objectForKey:key]];
str = [str stringByAppendingString:@"&"];
}
// 处理多余的&以及返回含参url
if (str.length > 1) {
// 去掉末尾的&
str = [str substringToIndex:str.length - 1];
// 返回含参url
return [urlLink stringByAppendingString:str];
}
return Nil;
}

@end