iOS中一些方便的工具类
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#import "JSONKit.h"#import <objc/runtime.h>#import "NSData+SAMAdditions.h"//是否是中文+ (BOOL)isIncludeChineseInString:(NSString*)str;+ (BOOL)isIncludeChineseInString:(NSString*)str { for (int i=0; i<str.length; i++) { unichar ch = [strcharacterAtIndex:i]; if (0x4e00 < ch && ch <0x9fff) { returntrue; } } returnfalse;}//将对象转换成Json字符串+(NSString *)jsonString:(id)object;+(NSString *)jsonString:(id)object{ if(!object || [objectisKindOfClass:[NSNullclass]])return [NSStringstringWithFormat:@"\"%@\"",[[NSNullnull] description]]; //直接返回 if ([objectisKindOfClass:[NSStringclass]]) { return [NSStringstringWithFormat:@"\"%@\"",object]; } if ([objectisKindOfClass:[NSValueclass]]) { return [NSStringstringWithFormat:@"%@",object]; } //数组 if ([objectisKindOfClass:[NSArrayclass]]) { NSMutableString * arrayString =@"[".mutableCopy; if(((NSArray *)object).count ==0){ [arrayString appendString:@"]"]; return [NSStringstringWithString:arrayString]; } for (NSObject * arraySubObjectin (NSArray *)object) { [arrayString appendFormat:@"%@%@",[OKWUtilitiesjsonString:arraySubObject],(arraySubObject == [(NSArray *)objectlastObject]) ? @"]" :@","]; } return [NSStringstringWithString:arrayString]; } //字典 if ([objectisKindOfClass:[NSDictionaryclass]]) { NSDictionary * objectDic = (NSDictionary *)object; NSMutableString * jsonDic =@"{".mutableCopy; NSArray * keyArray = [objectDicallKeys]; if(keyArray.count ==0){ [jsonDic appendString:@"}"]; return [NSStringstringWithString:jsonDic]; } for (NSObject * keyin keyArray) { [jsonDic appendFormat:@"\"%@\":%@%@",key,[OKWUtilitiesjsonString:objectDic[key]],(key == [keyArraylastObject]) ? @"}" :@","]; } return [NSStringstringWithString:jsonDic]; } uint count; objc_property_t * propertys =class_copyPropertyList([object class], &count); NSMutableString * jsonStr =@"{".mutableCopy; if (count ==0){ [jsonStr appendString:@"}"]; return [NSStringstringWithString:jsonStr]; } for (uint i =0 ; i < count ; i ++) { objc_property_t property = propertys[i]; NSString * key = [NSStringstringWithCString:property_getName(property)encoding:NSUTF8StringEncoding]; NSObject * value = [OKWUtilitiesjsonString:[object valueForKey:key]]; [jsonStr appendFormat:@"\"%@\":%@%@",key,value,(i == count -1) ? @"}" :@","]; } return [NSStringstringWithString:jsonStr];}//转换Json字符串+(NSDictionary *)getObject:(NSString *)jsonString;+(NSDictionary *)getObject:(NSString *)jsonString{ if (!jsonString)returnnil; NSString *jsonDynamicPrice = [jsonStringstringByReplacingOccurrencesOfString:@"(\\w+)\\s*:" withString:@"\"$1\":" options:NSRegularExpressionSearch range:NSMakeRange(0, [jsonStringlength])]; NSDictionary *dict = [jsonDynamicPriceobjectFromJSONStringWithParseOptions:JKParseOptionLooseUnicode]; return dict;}//根据一个时间，返回这个时间与现在时间差的字符串 :如: 1天前,8小时前,3分钟前等等;+(NSString *)stringDateFromNow:(NSDate *)date;+(NSString *)stringDateFromNow:(NSDate *)date{ if([datetoString].length <19)return@""; NSString * nowYearString = [[[NSDatedateWithTimeIntervalSinceNow:8 *60 * 60]toString] substringToIndex:4]; NSString * dateYearString = [[datetoString] substringToIndex:4]; BOOL isYearEqual = [nowYearStringisEqualToString:dateYearString]; NSTimeInterval timeInterval = -[datetimeIntervalSinceDate:[NSDatedateWithTimeIntervalSinceNow:8 *60 * 60]]; NSString * str = [NSStringstringWithFormat:@"%@",timeInterval <60 ? @"刚刚" : [NSStringstringWithFormat:@"%@前",timeInterval <60 * 60 ? [NSStringstringWithFormat:@"%d分钟",(int)timeInterval /60] : timeInterval < 60 *60 * 24 ? [NSStringstringWithFormat:@"%d小时",(int)timeInterval / (60 * 60)] : timeInterval < 60 *60 * 24 *31 ? [NSStringstringWithFormat:@"%d天",(int)(timeInterval) / (60 * 60 * 24)] : [[datetoStringWithFormaterTag1:@"-"Tag2:@":"]substringWithRange:isYearEqual ? NSMakeRange(5,5) : NSMakeRange(0,10)]]]; if (timeInterval >60 * 60 *24 * 31) { str = [str substringToIndex:str.length -1]; } return str;}//根据一个NSTimeInterval返回 还有多少时间+(NSString *)stringNowFromTimeInterval:(NSTimeInterval)timeInterval;+(NSString *)stringNowFromTimeInterval:(NSTimeInterval)timeInterval{ return [NSStringstringWithFormat:@"%@%@",timeInterval >60 * 60 *24 ? [NSStringstringWithFormat:@"%d天 ",(int)(timeInterval / (60 * 60 * 24))] :@"",[NSStringstringWithFormat:@"%02d:%02d:%02d",((int)timeInterval % (60 *60 * 24)) / (60 *60),((int)timeInterval % (60 *60 * 24)) % (60 *60) / 60,((int)timeInterval % (60 *60 * 24)) % (60 *60) % 60]];}/* 世界标准之间转换当前时间 **/+(NSDate *)dateGMTConvertCurrentTime:(NSString *)date;+(NSDate *)dateGMTConvertCurrentTime:(NSString *)date{ NSDateFormatter *dataFormatter = [[NSDateFormatteralloc] init]; [dataFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"]; NSDate *localDate = [dataFormatterdateFromString:date]; NSTimeZone * timeZone = [NSTimeZonetimeZoneWithAbbreviation:@"UTC"]; NSTimeZone * destinationTimeZone = [NSTimeZonelocalTimeZone]; NSInteger sourceOffset = [timeZonesecondsFromGMTForDate:localDate]; NSInteger destinationOffet = [destinationTimeZonesecondsFromGMTForDate:localDate]; NSTimeInterval interval = destinationOffet - sourceOffset; NSDate *detinationDateNow = [[NSDatealloc] initWithTimeInterval:intervalsinceDate:localDate]; return detinationDateNow;}/** yyyy-MM-dd'T'HH:mm:ss.SSSZ 转换为yyyy-MM-dd HH:mm:ss */+(NSString *)dataGMTConvertStandTime:(NSString *)date;+(NSString *)dataGMTConvertStandTime:(NSString *)date{ NSDateFormatter *formatter = [[NSDateFormatteralloc] init]; [formatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"]; NSDateFormatter *dataFormatter = [[NSDateFormatteralloc] init]; [dataFormatter setDateFormat:@"yyyy-MM-dd'T'HH:mm:ss.SSSZ"]; NSDate *localDate = [dataFormatterdateFromString:date]; NSString * dateString =[formatterstringFromDate:localDate]; return dateString;}//JPEG.PNG格式base64编码+(NSString*)base64EncodedStringWithJPEGImage:(UIImage*)image WithCompressionQuality:(CGFloat) compressionQuality;+(NSString*)base64EncodedStringWithPNGImage:(UIImage*)image;//转换成jpg各式的 base64编码+(NSString*)base64EncodedStringWithJPEGImage:(UIImage*)image WithCompressionQuality:(CGFloat) compressionQuality{ NSData *imageData =UIImageJPEGRepresentation(image, compressionQuality); return [imageDatasam_base64EncodedString];}//png+(NSString*)base64EncodedStringWithPNGImage:(UIImage*)image{ NSData *imageData =UIImagePNGRepresentation(image); return [imageDatasam_base64EncodedString];}//URL编码解码+(NSString*)urlEncoded:(NSString*)str;+(NSString*)urlDecoded:(NSString*)str;+(NSString*)urlEncoded:(NSString*)str { NSString *encodeUrlString = [strstringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; return encodeUrlString;}+(NSString*)urlDecoded:(NSString*)str { NSString * decodeUrlString = [strstringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding]; return decodeUrlString;}//图片缩放到指定大小尺寸+(UIImage *)scaleImage:(UIImage *)img ToSize:(CGSize) size;//图片缩放到指定大小尺寸+(UIImage *)scaleImage:(UIImage *)img ToSize:(CGSize) size{ // 创建一个bitmap的context // 并把它设置成为当前正在使用的context UIGraphicsBeginImageContext(size); // 绘制改变大小的图片 [img drawInRect:CGRectMake(0,0, size.width, size.height)]; // 从当前context中创建一个改变大小后的图片 UIImage* scaledImage =UIGraphicsGetImageFromCurrentImageContext(); // 使当前的context出堆栈 UIGraphicsEndImageContext(); // 返回新的改变大小后的图片 return scaledImage;}//DES加密解密+ (NSString *)encryptUseDES:(NSString *)plainText;+ (NSString *)decryptUseDES:(NSString*)cipherText;#pragma mark DES 加密解密+(NSString *)encryptUseDES:(NSString *)plainText{ return [selfencryptUseDES:plainText key:PASSWORD_KEY];}+ (NSString *) decryptUseDES:(NSString*)cipherText{ return [selfdecryptUseDES:cipherText key:PASSWORD_KEY];}/*字符串加密 *参数 *plainText : DES加密明文 *key : 密钥 64位 */+(NSString *) encryptUseDES:(NSString *)plainText key:(NSString *)key{ NSString *ciphertext =nil; constchar *textBytes = [plainText UTF8String]; NSUInteger dataLength = [plainTextlength]; unsignedchar buffer[1024]; memset(buffer,0, sizeof(char)); Byte *iv = (Byte *)[[keydataUsingEncoding:NSUTF8StringEncoding]bytes]; size_t numBytesEncrypted =0; CCCryptorStatus cryptStatus =CCCrypt(kCCEncrypt,kCCAlgorithmDES, kCCOptionPKCS7Padding, [key UTF8String], kCCKeySizeDES, iv, textBytes, dataLength, buffer, 1024, &numBytesEncrypted); if (cryptStatus ==kCCSuccess) { NSData *data = [NSDatadataWithBytes:buffer length:(NSUInteger)numBytesEncrypted]; // ciphertext = [data base64Encoding]; //ciphertext = [[data sam_hexadedimalString] uppercaseString]; ciphertext = [[selfmyHexadedimalString:data] uppercaseString]; } return ciphertext;}//DES解密+ (NSString *) decryptUseDES:(NSString*)cipherText key:(NSString*)key{ // NSData* cipherData =[NSData dataWithBase64String:cipherText]; //[GTMBase64 decodeString:cipherText]; NSData* cipherData =[selfdataWithHexString:cipherText]; unsignedchar buffer[1024]; memset(buffer,0, sizeof(char)); size_t numBytesDecrypted =0; //Byte iv[] = {1,2,3,4,5,6,7,8}; Byte *iv = (Byte *)[[keydataUsingEncoding:NSUTF8StringEncoding]bytes]; CCCryptorStatus cryptStatus =CCCrypt(kCCDecrypt, kCCAlgorithmDES, kCCOptionPKCS7Padding, [key UTF8String], kCCKeySizeDES, iv, [cipherDatabytes], [cipherDatalength], buffer, 1024, &numBytesDecrypted); NSString* plainText =nil; if (cryptStatus ==kCCSuccess) { NSData* data = [NSDatadataWithBytes:buffer length:(NSUInteger)numBytesDecrypted]; plainText = [[NSStringalloc] initWithData:dataencoding:NSUTF8StringEncoding] ; } return plainText;}#pragma mark NSData与16进制字符串转换+ (NSString *)myHexadedimalString:(NSData*)data { NSMutableString *string = [NSMutableStringstring]; constunsigned char *bytes = [databytes]; NSUInteger length = [datalength]; for (NSUInteger i =0; i < length; i++) { //[string appendFormat:@"%02x", bytes[i]]; NSString * str = [NSStringstringWithFormat:@"%02x", bytes[i]]; if (str.length <2 ) { [string appendFormat:@"0%@", str]; } else { [string appendString:str]; } } return string;}/* */+ (NSData*) dataWithHexString: (NSString*) hexString{ NSMutableData* data = [NSMutableDatadataWithCapacity: [hexString length] / 2]; char* chars = (char*)[hexStringUTF8String]; unsignedchar value; while(*chars !='\0') { if(*chars >='0' && *chars <= '9') { value = (*chars - '0') <<4; } elseif(*chars >= 'a' && *chars <='f') { value = (*chars - 'a' +10) << 4; } elseif(*chars >= 'A' && *chars <='F') { value = (*chars - 'A' +10) << 4; } else { returnnil; } chars++; if(*chars >='0' && *chars <= '9') { value |= *chars - '0'; } elseif(*chars >= 'a' && *chars <='f') { value |= *chars - 'a' +10; } elseif(*chars >= 'A' && *chars <='F') { value |= *chars - 'A' +10; } else { returnnil; } [data appendBytes: &valuelength: sizeof(value)]; chars++; } return data;}#pragma mark--判断身份证号是否正确+ (BOOL) validateIdentityCard:(NSString *)identityCard;//判断身份证号是否正确+ (BOOL) validateIdentityCard:(NSString *)identityCard{ BOOL flag; if (identityCard.length <=0) { flag = NO; return flag; } NSString *regex2 =@"^(\\d{14}|\\d{17})(\\d|[xX])$"; NSPredicate *identityCardPredicate = [NSPredicatepredicateWithFormat:@"SELF MATCHES %@",regex2]; return [identityCardPredicateevaluateWithObject:identityCard];} 0 0
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