JSJP_School/LN_School/Tools.m

//
//  Tools.m
//  jiaPeiC
//
//  Created by apple on 16/3/12.
//  Copyright © 2016年 JCZ. All rights reserved.
//

#import "Tools.h"
#import "SDSoundPlayer.h"
#import "sys/utsname.h"

@implementation Tools

#pragma mark - iphoneX验证
+ (BOOL)isIPhoneX {
    struct utsname systemInfo;
    uname(&systemInfo);
    NSString *platform = [NSString stringWithCString:systemInfo.machine encoding:NSASCIIStringEncoding];
    if ([platform isEqualToString:@"i386"] || [platform isEqualToString:@"x86_64"]) {
        // 模拟器下采用屏幕的高度来判断
        return [UIScreen mainScreen].bounds.size.height == 812;
    }
    // iPhone10,6是美版iPhoneX 感谢hegelsu指出：https://github.com/banchichen/TZImagePickerController/issues/635
    BOOL isIPhoneX = [platform isEqualToString:@"iPhone10,3"] || [platform isEqualToString:@"iPhone10,6"];
    return isIPhoneX;
}

#pragma mark - 获取已知名字文件路径
// 记得是文件 不是文件夹路径
+ (NSString *)getPathWithFileName:(NSString *)fileName
{
    NSString *document = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES) firstObject];
    NSString *filePath = [document stringByAppendingPathComponent:fileName];
    return filePath;
}


#pragma mark - 验证是否是电话号码
+ (BOOL)isMobileNumber:(NSString *)mobileNum
{
    //    电信号段:133/153/180/181/189/177
    //    联通号段:130/131/132/155/156/185/186/145/176
    //    移动号段:134/135/136/137/138/139/150/151/152/157/158/159/182/183/184/187/188/147/178
    //    虚拟运营商:170
    
    NSString *MOBILE = @"^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|7[06-8])\\d{8}$";
    
    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
    
    return [regextestmobile evaluateWithObject:mobileNum];
}

#pragma mark - 播报声音
+(void)playAudioWithString:(NSString *)string
{
    SDSoundPlayer *player = [SDSoundPlayer SDSoundPlayerInit];
    [player setDefaultWithVolume:-1.0 rate:0.5 pitchMultiplier:1.2];
    [player play:string];
}

#pragma mark - 根据图片二进制流获取图片格式

+ (NSString *)typeForImageData:(NSData *)data {
    
    uint8_t c;
    [data getBytes:&c length:1];
    
    switch (c) {
            
        case 0xFF:
            
            return @"jpeg";
            
        case 0x89:
            
            return @"png";
            
        case 0x47:
            
            return @"gif";
            
        case 0x49:
            
        case 0x4D:
            
            return @"tiff";
            
    }
    return @"jpg";
    
}

#pragma mark - 结合keychain的存储
//存
+ (void)save:(NSString *)service data:(id)data {
    //Get search dictionary
    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
    //Delete old item before add new item
    SecItemDelete((__bridge CFDictionaryRef)keychainQuery);
    //Add new object to search dictionary(Attention:the data format)
    [keychainQuery setObject:[NSKeyedArchiver archivedDataWithRootObject:data] forKey:(__bridge id)kSecValueData];
    //Add item to keychain with the search dictionary
    SecItemAdd((__bridge CFDictionaryRef)keychainQuery, NULL);
}

+ (NSMutableDictionary *)getKeychainQuery:(NSString *)service {
    return [NSMutableDictionary dictionaryWithObjectsAndKeys:
            (__bridge id)kSecClassGenericPassword,(__bridge id)kSecClass,
            service, (__bridge id)kSecAttrService,
            service, (__bridge id)kSecAttrAccount,
            (__bridge id)kSecAttrAccessibleAfterFirstUnlock,(__bridge id)kSecAttrAccessible,
            nil];
}

//取
+ (id)load:(NSString *)service {
    id ret = nil;
    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
    //Configure the search setting
    //Since in our simple case we are expecting only a single attribute to be returned (the password) we can set the attribute kSecReturnData to kCFBooleanTrue
    [keychainQuery setObject:(__bridge id)kCFBooleanTrue forKey:(__bridge id)kSecReturnData];
    [keychainQuery setObject:(__bridge id)kSecMatchLimitOne forKey:(__bridge id)kSecMatchLimit];
    CFDataRef keyData = NULL;
    if (SecItemCopyMatching((__bridge CFDictionaryRef)keychainQuery, (CFTypeRef *)&keyData) == noErr) {
        @try {
            ret = [NSKeyedUnarchiver unarchiveObjectWithData:(__bridge NSData *)keyData];
        } @catch (NSException *e) {
            NSLog(@"Unarchive of %@ failed: %@", service, e);
        } @finally {
        }
    }
    if (keyData)
        CFRelease(keyData);
    return ret;
}

//删除
+ (void)delete:(NSString *)service {
    NSMutableDictionary *keychainQuery = [self getKeychainQuery:service];
    SecItemDelete((__bridge CFDictionaryRef)keychainQuery);
}



#pragma mark - 权限验证
+(void)permissionValidationWithID:(NSString *)str
							 view:(UIView *)view
						   result:(GetResult)result
{
	NSMutableDictionary * mdic = [NSMutableDictionary new];
	[mdic setValue:defUser.userDict[@"id"] forKey:@"userId"];
	[mdic setValue:str  forKey:@"id"];
	
	[MBProgressHUD showLoadToView:view];
	[NetManager requestAnythingWithURL:@"showMenu" dictionary:mdic dataArray:nil completion:^(NSDictionary *root) {
		
		[MBProgressHUD hideHUDForView:view animated:NO];
		
		if (!root) {
			result(NO,@"请求失败");
			return;
		}
		if ([root[@"code"] integerValue] == 1) {
			result(NO,root[@"msg"]);
			return;
		}
		
		result(YES,nil);
	}];
	
}


@end