128 lines
4.3 KiB
Objective-C
Executable File
128 lines
4.3 KiB
Objective-C
Executable File
//
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// HttpManager.m
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// myhome
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//
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// Created by hkh on 16/11/6.
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//
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#import "Sformat.h"
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@interface Sformat (){
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}
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@end
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@implementation Sformat{
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}
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+ (NSString *)yyyy_MM_dd{
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NSDate *now = [NSDate date];
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NSCalendar *calendar = [NSCalendar currentCalendar];
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NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
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NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:now];
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int year = [dateComponent year];
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int month = [dateComponent month];
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int day = [dateComponent day];
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return [[NSString alloc] initWithFormat:@"%04d-%02d-%02d",year,month,day];
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}
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+ (long)timestamp{
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NSDate *now = [NSDate date];
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return [now timeIntervalSince1970]*1000;
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}
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+ (long)timestamp:(NSDate *)date{
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return [date timeIntervalSince1970]*1000;
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}
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+ (NSDate *)DateByTimestamp:(NSString *)timestamp{
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NSTimeInterval time = [timestamp floatValue] / 1000;
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return [NSDate dateWithTimeIntervalSince1970:time];
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}
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+ (NSString *)yyyy_MM_dd_HH_mm:(NSString *)timestamp{
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NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
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[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm"];
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return [dateFormatter stringFromDate:[self DateByTimestamp:timestamp]];
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}
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+ (NSString *)yyyy_MM_dd_HH_mm_cn:(NSString *)timestamp{
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NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
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[dateFormatter setDateFormat:@"yyyy年MM月dd日 HH:mm"];
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return [dateFormatter stringFromDate:[self DateByTimestamp:timestamp]];
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}
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+ (NSDate *)dateWithYearsBeforeNow:(NSInteger)year{
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NSDate *currentDate = [NSDate date];
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NSCalendar *calendar = nil;
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if (FALSE) {//IOS8Higher
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calendar = [NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian];
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} else {
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calendar = [NSCalendar currentCalendar];
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}
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NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
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NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:currentDate];
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[dateComponent setYear:year * -1];
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return [calendar dateFromComponents:dateComponent];
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}
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+ (NSDate *)dateWithMonthBeforeNow:(NSInteger)month{
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NSDate *currentDate = [NSDate date];
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NSCalendar *calendar = nil;
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//calendar = [NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian];
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calendar = [NSCalendar currentCalendar];
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NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit ;
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NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:currentDate];
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[dateComponent setMonth:-1*month];
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return [calendar dateFromComponents:dateComponent];
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}
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+ (NSDate *)dateWithDayBeforeNow:(NSInteger)day{
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NSDate *currentDate = [NSDate date];
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NSCalendar *calendar = nil;
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if (FALSE) {//IOS8Higher
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calendar = [NSCalendar calendarWithIdentifier:NSCalendarIdentifierGregorian];
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} else {
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calendar = [NSCalendar currentCalendar];
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}
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NSUInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
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NSDateComponents *dateComponent = [calendar components:unitFlags fromDate:currentDate];
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[dateComponent setDay:-1*day];
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return [calendar dateFromComponents:dateComponent];
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}
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+ (NSString *)Hex:(NSData *)data {
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if (!data || [data length] == 0) {
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return @"";
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}
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NSMutableString *string = [[NSMutableString alloc] initWithCapacity:[data length]];
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[data enumerateByteRangesUsingBlock:^(const void *bytes, NSRange byteRange, BOOL *stop) {
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unsigned char *dataBytes = (unsigned char*)bytes;
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for (NSInteger i = 0; i < byteRange.length; i++) {
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NSString *hexStr = [NSString stringWithFormat:@"%x", (dataBytes[i]) & 0xff];
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if ([hexStr length] == 2) {
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[string appendString:hexStr];
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} else {
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[string appendFormat:@"0%@", hexStr];
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}
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if(i < byteRange.length-1){
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[string appendString:@" "];
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}
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}
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}];
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return string;
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}
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@end
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