字符串时间格式化
getCurrentTimesWithNowDate
以sss为单位的时时间戳
getNowTimeTimestampWithNowDate
检查字符非空 nil null @‘’ null>
judgeBlankString
根据正则表达式校验字符串
validateStr:withRegex
字符串md5加密
+ (NSString *)md5:(NSString *)input{
const char *cStr = [input UTF8String];
unsigned char digest[CC_MD5_DIGEST_LENGTH];
CC_MD5( cStr, strlen(cStr), digest ); // This is the md5 call
NSMutableString *output = [NSMutableString stringWithCapacity:CC_MD5_DIGEST_LENGTH * 2];
for(int i = 0; i < CC_MD5_DIGEST_LENGTH; i++)
[output appendFormat:@"%02x", digest[i]];
return output;
}
字符串sha1加密
+ (NSString *)sha1:(NSString *)inputString{
const char *cstr = [inputString cStringUsingEncoding:NSUTF8StringEncoding];
NSData *data = [NSData dataWithBytes:cstr length:inputString.length];
uint8_t digest[CC_SHA1_DIGEST_LENGTH];
CC_SHA1(data.bytes,(unsigned int)data.length,digest);
NSMutableString *outputString = [NSMutableString stringWithCapacity:CC_SHA1_DIGEST_LENGTH * 2];
for (int i = 0; i < CC_SHA1_DIGEST_LENGTH; i++) {
[outputString appendFormat:@"%02x",digest[i]];
}
return outputString;
}
app内拨打电话
+ (void)telWithPhone:(NSString *)tel{
NSMutableString *str = [[NSMutableString alloc] initWithFormat:@"telprompt://%@",tel];
[[UIApplication sharedApplication] openURL:[NSURL URLWithString:str]];
}
清除缓存文件
getNowTimeTimestampWithNowDate
文件大小转换 m/kb/b
+ (NSString *)fileSizeConversion:(NSInteger)totalSize {
NSString *totleStr = nil;
if (totalSize > 1000 * 1000) {
totleStr = [NSString stringWithFormat:@"%.2fM",totalSize / 1000.00f /1000.00f];
} else if (totalSize > 1000) {
totleStr = [NSString stringWithFormat:@"%.2fKB",totalSize / 1000.00f ];
} else {
totleStr = [NSString stringWithFormat:@"%.2fB",totalSize / 1.00f];
}
return totleStr;
}
计算缓存文件大小
getCacheSizeWithFilePath
校验简单手机号
valiMobile
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