方法聲明及注釋：
#pragma mark 字符串相關方法
//轉換json
-(NSString *)jsonFromObject:(id)obj;
//判斷字符串
-(BOOL)isString:(NSString *)string;
//字典賦值
-(NSString *)dictionaryWithDic:(NSDictionary *)dic valueForKey:(NSString *)key;
//string轉換成date
-(NSDate *)dateFromString:(NSString *)dateString;
//date轉換成string
-(NSString *)stringFromDate:(NSDate *)date;
//時間戳轉換成字符串
-(NSString *)stringFromValue:(NSString *)value;
//驗證郵箱格式
-(BOOL)isValidateEmail:(NSString *)email;
//驗證電話號碼
- (BOOL)isValidateMobile:(NSString *)mobileNum;
//判斷是否為整形
- (BOOL)isPureInt:(NSString*)string;
//判斷是否為浮點形：
- (BOOL)isPureFloat:(NSString*)string;
//保留幾位小數
-(NSString *)newFloat:(float)value withNumber:(int)numberOfPlace;
//文本框賦值
-(NSString *)setText:(NSString *)text;
-(NSString *)setNumberText:(NSNumber *)number Unit:(NSString *)unit;
-(NSArray *)arraySorting:(NSString *)parameters Array:(NSArray *)array Methods:(BOOL)methods;//yes 是正序 ；no 是倒序
方法實現：
-(NSString *)jsonFromObject:(id)obj{
NSString *jsonString = nil;
NSError *error;
NSData *jsonData = [NSJSONSerialization dataWithJSONObject:obj
options:NSJSONWritingPrettyPrinted // Pass 0 if you don't care about the readability of the generated string
error:&error];
if (! jsonData) {
NSLog(@"Got an error: %@", error);
} else {
jsonString = [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
}
return jsonString;
}
#pragma mark 字符串相關方法
-(BOOL)isString:(NSString *)string{//字符串是否為空
if (![string
isKindOfClass:[NSNull
class]]&&string&&![string
isEqualToString:@"(null)"]&&
string.length
!= 0
&&![string isEqualToString:@"
return YES;
}else{
return NO;
}
}
-(NSString *)dictionaryWithDic:(NSDictionary *)dic valueForKey:(NSString *)key{//字典取值
NSString * value = nil;
if (dic!=nil&&[[dic allKeys] containsObject:key]) {
value = [dic valueForKey:key];
}else{
value = @"";
}
return value;
}
- (NSDate *)dateFromString:(NSString *)dateString{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat: @"yyyy-MM-dd HH:mm:ss"];
NSDate *destDate= [dateFormatter dateFromString:dateString];
return destDate;
}
- (NSString *)stringFromDate:(NSDate *)date{
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
//zzz表示時區，zzz可以刪除，這樣返回的日期字符將不包含時區信息。
[dateFormatter setDateFormat:@"MM-dd HH:mm"];
NSString *destDateString = [dateFormatter stringFromDate:date];
return destDateString;
}
-(NSString *)stringFromValue:(NSString *)value{
NSString *str = [value substringToIndex:10];
NSDate *confromTimesp = [NSDate dateWithTimeIntervalSince1970:[str longLongValue]];
NSDateFormatter* formatter = [[NSDateFormatter alloc]init];
[formatter setDateFormat:@"MM-dd HH:mm"];
NSString *date = [formatter stringFromDate:confromTimesp];
NSDate *now = [NSDate date];
NSString *dateNow = [formatter stringFromDate:now];
if ([[dateNow substringToIndex:5] isEqualToString:[date substringToIndex:5]]) {
date = @" 今天";
}
NSLog(@"當前時間：%@ 加載時間%@ %@",dateNow, date,[dateNow substringToIndex:5]);
return date;
}
/*郵箱驗證 MODIFIED BY HELENSONG*/
-(BOOL)isValidateEmail:(NSString *)email
{
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:email];
}
/*手機號碼驗證 MODIFIED BY HELENSONG*/
- (BOOL)isValidateMobile:(NSString *)mobileNum
{
/**
* 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}$";
/**
10 * 中國移動：China Mobile
11 * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
12 */
NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";
/**
15 * 中國聯通：China Unicom
16 * 130,131,132,152,155,156,185,186
17 */
NSString * CU = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";
/**
20 * 中國電信：China Telecom
21 * 133,1349,153,180,189
22 */
NSString * CT = @"^1((33|53|8[09])[0-9]|349)\\d{7}$";
/**
25 * 大陸地區固話及小靈通
26 * 區號：010,020,021,022,023,024,025,027,028,029
27 * 號碼：七位或八位
28 */
// NSString * PHS = @"^0(10|2[0-5789]|\\d{3})\\d{7,8}$";
NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
if (([regextestmobile evaluateWithObject:mobileNum] == YES)
|| ([regextestcm evaluateWithObject:mobileNum] == YES)
|| ([regextestct evaluateWithObject:mobileNum] == YES)
|| ([regextestcu evaluateWithObject:mobileNum] == YES))
{
return YES;
}
else
{
return NO;
}
}
/*車牌號驗證 MODIFIED BY HELENSONG*/
BOOL validateCarNo(NSString* carNo)
{
NSString *carRegex = @"^[A-Za-z]{1}[A-Za-z_0-9]{5}$";
NSPredicate *carTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",carRegex];
NSLog(@"carTest is %@",carTest);
return [carTest evaluateWithObject:carNo];
}
//判斷是否為整形
- (BOOL)isPureInt:(NSString*)string{
NSScanner* scan = [NSScanner scannerWithString:string];
int val;
return[scan scanInt:&val] && [scan isAtEnd];
}
//判斷是否為浮點形：
- (BOOL)isPureFloat:(NSString*)string{
NSScanner* scan = [NSScanner scannerWithString:string];
float val;
return[scan scanFloat:&val] && [scan isAtEnd];
}
//保留幾位小數
-(NSString *)newFloat:(float)value withNumber:(int)numberOfPlace
{
NSString *formatStr = @"%0.";
formatStr = [formatStr stringByAppendingFormat:@"%df", numberOfPlace];
formatStr = [NSString stringWithFormat:formatStr, value];
printf("formatStr %s\n", [formatStr UTF8String]);
return formatStr;
}
-(NSString *)setText:(NSString *)text{
NSString *str = text;
if (str.length==0) {
str = @"未填寫";
}
return str;
}
-(NSString *)setNumberText:(NSNumber *)number Unit:(NSString *)unit{
// [self newFloat:[number floatValue] withNumber:1];
if ([number isKindOfClass:[NSNull class]]||[number integerValue]==0) {
number = [NSNumber numberWithInteger:0];
}
NSString *str =@"";
if (unit.length==0) {
str = [NSString stringWithFormat:@"%@",[self newFloat:[number floatValue] withNumber:0]];
}else{
str = [NSString stringWithFormat:@"%@%@",[self newFloat:[number floatValue] withNumber:0],unit];
}
return str;
}
-(NSArray *)arraySorting:(NSString *)parameters Array:(NSArray *)array Methods:(BOOL)methods{//yes 是正序 ；no 是倒序
NSSortDescriptor*sorter=[[NSSortDescriptor alloc]initWithKey:parameters ascending:YES];
NSMutableArray *sortDescriptors=[[NSMutableArray alloc]initWithObjects:&sorter count:1];
NSArray *sortArray=[array sortedArrayUsingDescriptors:sortDescriptors];
NSArray* reversedArray = [[sortArray reverseObjectEnumerator] allObjects];
if (methods) {
return sortArray;
}else{
return reversedArray;
}
}
