iOS开发拼接、解析请求URL

• 拼接、解析

#import "BNNURLTool.h"

@implementation BNNURLTool

+(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]);
        /** 拼在后面 */
        str = [str stringByAppendingString:key];
        str = [str stringByAppendingString:@"="];
        str = [str stringByAppendingString:[params objectForKey:key]];
        str = [str stringByAppendingString:@"&"];
        
        NSLog(@"===str:%@",str);
    }
    // 处理多余的&以及返回含参url
    if (str.length > 1) {
        /** 去掉开头的& */
        str = [str substringFromIndex:1];
        
        // 去掉末尾的&
        str = [str substringToIndex:str.length - 1];
        
        // 返回含参url
        return [urlLink stringByAppendingString:str];
    }
    return Nil;
}

+ (NSDictionary *)parameterWithURL:(NSString *)url {
    
    /** 分开 请求URL地址 获取参数段 */
    NSArray *requestAddresArray = [url componentsSeparatedByString:@"//"];
    
    
    /** 拆分参数段 */
    NSArray *paramTotalArray = [requestAddresArray[1] componentsSeparatedByString:@"&"];
    
    
    NSMutableDictionary *paramDict = [[NSMutableDictionary alloc]init];
    
    /** 拆分key value */
    for (int i = 0; i<paramTotalArray.count; i++) {
        NSArray *dictArray = [paramTotalArray[i] componentsSeparatedByString:@"="];
        
        [paramDict setObject:dictArray[1] forKey:dictArray[0]];
    }
    
    return paramDict;
    
}