YYXC_Student/jiaPei/Util.m

//
//  Util.m
//  Miaxis
//
//  Created by tongjun on 14-3-5.
//  Copyright (c) 2014年 tongjun. All rights reserved.
//

#import "Util.h"
#import <RealReachability/RealReachability.h>

@implementation Util

//判断网络是否连接
+ (BOOL) connectedToNetWork{
    
    [GLobalRealReachability startNotifier];
    ReachabilityStatus status = [GLobalRealReachability currentReachabilityStatus];
    [GLobalRealReachability stopNotifier];
    return status ? YES : NO;
    
    //需要确保该host地址可以被ping探测到。此操作为可选，默认的目标host地址为www.baidu.com
    //GLobalRealReachability.hostForPing = @"www.baidu.com";
    //手动设置自动探测间隔(autoCheckInterval，单位为分钟).此处根据应用的实时性要求来设置自动探测的间隔，实时性要求较高时可适当调低此参数，但不建议设置为1.0以下
    //GLobalRealReachability.autoCheckInterval = 2.0f;
    
    //----------------------------这一块先埋伏在这里吧-----------------------@lee
    
//    [GLobalRealReachability reachabilityWithBlock:^(ReachabilityStatus status)
//     {
    
//         switch (status)
//         {
//             case RealStatusUnknown:
//             {
//                 //NSLog(@"Unknown");
//                 break;
//             }
//                 
//             case RealStatusNotReachable:
//             {
//                 //NSLog(@"NotReachable");
//                 break;
//             }
//                 
//             case RealStatusViaWiFi:
//             {
//                 //NSLog(@"wifi");
//                 break;
//             }
//                 
//             case RealStatusViaWWAN:
//             {
//                 //NSLog(@"ViaWWAN");
//                 WWANAccessType accessType = [GLobalRealReachability currentWWANtype];
//                 if (accessType == WWANType2G)
//                 {
//                     //NSLog(@"RealReachabilityStatus2G");
//                 }
//                 else if (accessType == WWANType3G)
//                 {
//                     //NSLog(@"RealReachabilityStatus3G");
//                 }
//                 else if (accessType == WWANType4G)
//                 {
//                     //NSLog(@"RealReachabilityStatus4G");
//                 }
//                 else
//                 {
//                     //NSLog(@"Unknown RealReachability WWAN Status, might be iOS6");
//                 }
//                 
//                 
//                 break;
//             }
//             default:
//                 break;
//         }
//     }];
}

+(NSString *)getAnswerByTen:(NSInteger)value
{
    NSMutableString *string = [NSMutableString string];
    while (value)
    {
        [string insertString:(value & 1)? @"1": @"0" atIndex:0];
        value /= 2;
    }
    if (string.length==5) {
        string=[NSMutableString stringWithFormat:@"000%@",string];
    }else if(string.length==6){
        string=[NSMutableString stringWithFormat:@"00%@",string];
    }else if(string.length==7){
        string=[NSMutableString stringWithFormat:@"0%@",string];
    }else{
        string=string;
    }
    NSMutableString *answer=[[NSMutableString alloc]init];
	if (string.length >= 5) {
		if ([[string substringWithRange:NSMakeRange(3, 1)]intValue]==1) {
			[answer appendString:@"A"];
		}
	}
	if (string.length >= 4) {
		if ([[string substringWithRange:NSMakeRange(2, 1)]intValue]==1) {
			[answer appendString:@"B"];
		}
	}
	if (string.length >= 3) {
		if ([[string substringWithRange:NSMakeRange(1, 1)]intValue]==1) {
			[answer appendString:@"C"];
		}
	}
	if (string.length >= 2) {
		if ([[string substringWithRange:NSMakeRange(0, 1)]intValue]==1) {
			[answer appendString:@"D"];
		}
	}
    return [answer copy];
}

@end