424 阿裏雲技術社區[雲棲]

NSString擴展

//
//  NSString+Common.h
//  CloudShopping
//
//  Created by sixiaobo on 14-7-9.
//  Copyright (c) 2014年 com.Uni2uni. All rights reserved.
//

#import <Foundation/Foundation.h>

/*!
 * @brief NSString 的能用擴展
 */
@interface NSString (Common)

// 獲取Documents路徑
+ (NSString *)documentPath;

// 獲取緩存路徑
+ (NSString *)cachePath;

+ (NSString *)imageCachePath;

// 本地購物車路徑
+ (NSString *)localShoppingCartPath;

//! 是否是合法郵箱
- (BOOL)isValidEmail;
//! 是否是合法號碼
- (BOOL)isValidPhoneNumber;
//! 是否是合法的18位身份證號碼  
- (BOOL)isValidPersonID;
/**
 * 功能:判斷是否在地區碼內
 * 參數:地區碼
 */
- (BOOL)areaCode:(NSString *)code;

//! 根據文件名返回路徑
+ (NSString *)pathWithFileName:(NSString *)fileName;
+ (NSString *)pathWithFileName:(NSString *)fileName ofType:(NSString *)type;

// 根據秒數返回日期
+ (NSString *)dateWithSeconds:(NSUInteger)seconds;

@end

//
//  NSString+Common.m
//  CloudShopping
//
//  Created by sixiaobo on 14-7-9.
//  Copyright (c) 2014年 com.Uni2uni. All rights reserved.
//

#import "NSString+Common.h"

@implementation NSString (Common)

+ (NSString *)documentPath {
    return [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];
}

#pragma mark - 獲取緩存路徑
+ (NSString *)cachePath {
    return [NSHomeDirectory() stringByAppendingPathComponent:@"Library/Caches"];
}

+ (NSString *)imageCachePath {
    NSString *path = [[self cachePath] stringByAppendingPathComponent:@"Images"];
    BOOL isDir = NO;
    BOOL isDirExist = [[NSFileManager defaultManager] fileExistsAtPath:path
                                                           isDirectory:&isDir];
    if (!isDir && !isDirExist) {
       BOOL isSuccess = [[NSFileManager defaultManager] createDirectoryAtPath:path
                                  withIntermediateDirectories:YES
                                                   attributes:nil error:nil];
        if (isSuccess) {
            NSLog(@"success");
        }
    }
    
    return path;
}

+ (NSString *)localShoppingCartPath {
    return [[self cachePath] stringByAppendingPathComponent:@"/cart.plist"];
}

#pragma mark - 驗證郵箱格式
- (BOOL)isValidEmail {
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailTest evaluateWithObject:self];
}

#pragma mark - 驗證手機號碼格式
- (BOOL)isValidPhoneNumber {
    /**
     * 手機號碼
     * 移動：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     * 聯通：130,131,132,152,155,156,185,186
     * 電信：133,1349,153,180,189
     */
    NSString *mobile = @"^1(3[0-9]|5[0-35-9]|8[025-9])\\d{8}$";
    /**
     10         * 中國移動：China Mobile
     11         * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     12         */
    NSString *chinaMobile = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";
    /**
     15         * 中國聯通：China Unicom
     16         * 130,131,132,152,155,156,185,186
     17         */
    NSString * chinaUnicom = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";
    /**
     20         * 中國電信：China Telecom
     21         * 133,1349,153,180,189
     22         */
    NSString * chinaTelecom = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";
    
    NSPredicate *mobilePredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", mobile];
    NSPredicate *cmPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", chinaMobile];
    NSPredicate *cuPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", chinaUnicom];
    NSPredicate *ctPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", chinaTelecom];
    if ([mobilePredicate evaluateWithObject:self]
        || [cmPredicate evaluateWithObject:self]
        || [cuPredicate evaluateWithObject:self]
        || [ctPredicate evaluateWithObject:self]) {
        return YES;
    }
    
    return NO;
}

/**
 * 功能:驗證身份證是否合法
 * 參數:輸入的身份證號
 */
- (BOOL)isValidPersonID {
    // 判斷位數
    if (self.length != 15 && self.length != 18) {
        return NO;
    }
    NSString *carid = self;
    long lSumQT = 0;
    // 加權因子
    int R[] ={7, 9, 10, 5, 8, 4, 2, 1, 6, 3, 7, 9, 10, 5, 8, 4, 2 };
    // 校驗碼
    unsigned char sChecker[11]={'1','0','X', '9', '8', '7', '6', '5', '4', '3', '2'};

    // 將15位身份證號轉換成18位
    NSMutableString *mString = [NSMutableString stringWithString:self];
    if (self.length == 15) {
        [mString insertString:@"19" atIndex:6];
        long p = 0;
        const char *pid = [mString UTF8String];
        
        for (int i = 0; i<= 16; i++) {
            p += (pid[i] - 48) * R[i];
        }
        
        int o = p % 11;
        NSString *string_content = [NSString stringWithFormat:@"%c", sChecker[o]];
        [mString insertString:string_content atIndex:[mString length]];
        carid = mString;
    }
    
    // 判斷地區碼
    NSString * sProvince = [carid substringToIndex:2];
    if (![self areaCode:sProvince]) {
        return NO;
    }
    
    // 判斷年月日是否有效
    // 年份
    int strYear = [[self substringWithString:carid begin:6 end:4] intValue];
    // 月份
    int strMonth = [[self substringWithString:carid begin:10 end:2] intValue];
    // 日
    int strDay = [[self substringWithString:carid begin:12 end:2] intValue];
    
    NSTimeZone *localZone = [NSTimeZone localTimeZone];
    NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
    [dateFormatter setDateStyle:NSDateFormatterMediumStyle];
    [dateFormatter setTimeStyle:NSDateFormatterNoStyle];
    [dateFormatter setTimeZone:localZone];
    [dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
    NSDate *date=[dateFormatter dateFromString:[NSString stringWithFormat:@"%d-%d-%d 12:01:01",
                                                strYear, strMonth, strDay]];
    if (date == nil) {
        return NO;
    }
    
    const char *PaperId  = [carid UTF8String];
    // 檢驗長度
    if(18 != strlen(PaperId)) return NO;
    // 校驗數字
    for (int i = 0; i < 18; i++) {
        if ( !isdigit(PaperId[i]) && !(('X' == PaperId[i] || 'x' == PaperId[i]) && 17 == i) ) {
            return NO;
        }
    }
    
    // 驗證最末的校驗碼
    for (int i=0; i<=16; i++) {
        lSumQT += (PaperId[i]-48) * R[i];
    }
    
    if (sChecker[lSumQT%11] != PaperId[17] ) {
        return NO;
    }
    return YES;
}

/**
 * 功能:判斷是否在地區碼內
 * 參數:地區碼
 */
- (BOOL)areaCode:(NSString *)code {
    NSMutableDictionary *dic = [[NSMutableDictionary alloc] init];
    [dic setObject:@"北京" forKey:@"11"];
    [dic setObject:@"天津" forKey:@"12"];
    [dic setObject:@"河北" forKey:@"13"];
    [dic setObject:@"山西" forKey:@"14"];
    [dic setObject:@"內蒙古" forKey:@"15"];
    [dic setObject:@"遼寧" forKey:@"21"];
    [dic setObject:@"吉林" forKey:@"22"];
    [dic setObject:@"黑龍江" forKey:@"23"];
    [dic setObject:@"上海" forKey:@"31"];
    [dic setObject:@"江蘇" forKey:@"32"];
    [dic setObject:@"浙江" forKey:@"33"];
    [dic setObject:@"安徽" forKey:@"34"];
    [dic setObject:@"福建" forKey:@"35"];
    [dic setObject:@"江西" forKey:@"36"];
    [dic setObject:@"山東" forKey:@"37"];
    [dic setObject:@"河南" forKey:@"41"];
    [dic setObject:@"湖北" forKey:@"42"];
    [dic setObject:@"湖南" forKey:@"43"];
    [dic setObject:@"廣東" forKey:@"44"];
    [dic setObject:@"廣西" forKey:@"45"];
    [dic setObject:@"海南" forKey:@"46"];
    [dic setObject:@"重慶" forKey:@"50"];
    [dic setObject:@"四川" forKey:@"51"];
    [dic setObject:@"貴州" forKey:@"52"];
    [dic setObject:@"雲南" forKey:@"53"];
    [dic setObject:@"西藏" forKey:@"54"];
    [dic setObject:@"陝西" forKey:@"61"];
    [dic setObject:@"甘肅" forKey:@"62"];
    [dic setObject:@"青海" forKey:@"63"];
    [dic setObject:@"寧夏" forKey:@"64"];
    [dic setObject:@"新疆" forKey:@"65"];
    [dic setObject:@"台灣" forKey:@"71"];
    [dic setObject:@"香港" forKey:@"81"];
    [dic setObject:@"澳門" forKey:@"82"];
    [dic setObject:@"國外" forKey:@"91"];
    
    if ([dic objectForKey:code] == nil) {
        return NO;
    }
    return YES;
}

#pragma mark - 根據文件名返回路徑
+ (NSString *)pathWithFileName:(NSString *)fileName {
    return [self pathWithFileName:fileName ofType:nil];
}

+ (NSString *)pathWithFileName:(NSString *)fileName ofType:(NSString *)type {
    return [[NSBundle mainBundle] pathForResource:fileName ofType:type];
}

/**
 * 功能:獲取指定範圍的字符串
 * 參數:字符串的開始小標
 * 參數:字符串的結束下標
 */
- (NSString *)substringWithString:(NSString *)str begin:(NSInteger)begin end:(NSInteger )end {
    return [str substringWithRange:NSMakeRange(begin, end)];
}

+ (NSString *)dateWithSeconds:(NSUInteger)seconds {
    NSDate *date = [NSDate dateWithTimeIntervalSince1970:seconds];
    NSString *str = [NSString stringWithFormat:@"%@", date];
    NSArray *array = [str componentsSeparatedByString:@" "];
    NSString *result = [array objectAtIndex:0];
    if (array.count == 3) {
        result = [NSString stringWithFormat:@"%@ %@", result, [array objectAtIndex:1]];
    }
    return result;
}

@end

最後更新：2017-04-03 05:39:42

NSString擴展

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