ios中NSObject分类(2)

#import <Foundation/Foundation.h>


UIColor * rgb(int r, int g, int b);
UIColor * rgbA(int r, int g, int b, float a);
UIColor * rgbweb(int rgbval);

@interface NSObject (Utilty)

// 读文件
-(NSString*)readApiCacheFileName:(NSString*)fileName;

// 写文件
-(void)saveApiCacheFileName:(NSString*)fileName textContent:(NSString*)content Append:(BOOL)isAppend;

//　字符串过滤不规则字符
-(NSString*)filterString:(NSString*)aString filterWith:(NSString*)fStr;


/*
 *  检查输入的金额是否符合金额的输入规则
 *
 */
-(bool)doCheckInputAmount:(NSString *)textFieldtext replacementString:(NSString *)string;


@end

@interface NSDictionary (extra)


//根据key值的到字典中的object
- (id)getObjectByKey:(NSString*)key;

//根据key值得到字符串，如为空则返回@“”
- (id)getStringByKey:(NSString*)key;

//根据key值把字典中的list字典转换成数组
- (NSMutableArray*)getArrayByString:(NSString*)string;

- (NSArray*)sortedKeysByString:(NSString*)elementName;




@end


@interface NSString (chnbs)

-(void)saveApiCacheFileName:(NSString*)fileName;



@end

#import "NSObject+Utilty.h"


//定义颜色
UIColor * rgb(int r, int g, int b)
{
    return [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:1];
}


UIColor * rgbA(int r, int g, int b, float a)
{
    return [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a];
}

UIColor * rgbweb(int rgbval)
{
    return rgb((rgbval>>16)&0xFF,(rgbval>>8)&0xFF,(rgbval>>0)&0xFF);
}


@implementation NSObject (Utilty)

//读取保存文件。
-(NSString*)readApiCacheFileName:(NSString*)fileName{
    NSString * cacheFolder = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
    cacheFolder = [cacheFolder stringByAppendingPathComponent:@"JiangSu"];
    
    //获取文件路径
    NSString *path = [cacheFolder stringByAppendingPathComponent:fileName];

   return [NSString stringWithContentsOfFile:path encoding:NSUTF8StringEncoding error:NULL];
}

/*
 *  @fileName   需要保存的文件名字
 */
-(void)saveApiCacheFileName:(NSString*)fileName textContent:(NSString*)content Append:(BOOL)isAppend{

    
    NSString * cacheFolder = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
    cacheFolder = [cacheFolder stringByAppendingPathComponent:@"JiangSu"];
    
    NSFileManager * fmgr = [NSFileManager defaultManager];

    if (![fmgr fileExistsAtPath:cacheFolder])
    {
        NSError * error;
        [fmgr createDirectoryAtPath:cacheFolder withIntermediateDirectories:YES attributes:nil error:&error];
    }
    cacheFolder = [cacheFolder stringByAppendingPathComponent:fileName];
    
    

        if ([content writeToFile:cacheFolder atomically:YES encoding:NSUTF8StringEncoding error:NULL] == YES) {
            NSLog(@"保存成功");
        }
    

    
    
}

-(NSString*)filterString:(NSString*)aString filterWith:(NSString*)fStr{
    
    aString = [aString stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
    
    if ([aString rangeOfString:fStr].location != NSNotFound) {
        aString = [aString stringByReplacingOccurrencesOfString:fStr withString:@""];
        [self filterString:aString filterWith:fStr];
    }
    return aString;
}

/*
 *  检查输入的金额是否符合金额的输入规则
 *
 */
-(bool)doCheckInputAmount:(NSString *)textFieldtext replacementString:(NSString *)string
{
    int length_f = [textFieldtext length];
    
    if([string length]>1)
        return FALSE;
    if(![string isEqualToString:@"."]&& [textFieldtext length]){
        if ([textFieldtext length]>=16 && ![string isEqualToString:@""] ) {
            return FALSE;
        }
        
    }
    if( [string isEqualToString:@""] )
        return TRUE;
    // 判断输入字符[是否合格]
    unichar curChar_f = [string characterAtIndex:0];
    if( (curChar_f>='0'&&curChar_f<='9') || (curChar_f=='.') )
    {
        if( curChar_f=='.' )
        {
            if(length_f==0)            //    首字节不能为.
                return FALSE;
            if( [textFieldtext rangeOfString:@"."].length>0 )    // .不能重复
                return FALSE;
        }
        if(length_f>0)
        {
            if( [textFieldtext characterAtIndex:0]=='0' )        // 如果首输入为0，第二必须为.
            {
                if( curChar_f!='.'&& length_f==1 )
                {
                    return FALSE;
                }
            }
        }
        
        if( length_f>=3 )
        {
            // 小数点后2位不能在输入
            if( [textFieldtext characterAtIndex:length_f-3]=='.' )
                return FALSE;
        }
        return TRUE;
    }
    
    return FALSE;
}



@end


@implementation NSDictionary (extra)


//根据key值的到字典中的object
- (id)getObjectByKey:(NSString*)key {
    NSArray *array = [key componentsSeparatedByString:@"/"];
    NSDictionary *dic = self;
    for (int i=0; i<[array count]-1; i++) {
        dic = [dic objectForKey:[array objectAtIndex:i]];
    }
    return [dic objectForKey:[array objectAtIndex:[array count]-1]];
}

/*
 根据key值得到字符串，如为空则返回@“”
 */
- (id)getStringByKey:(NSString*)key {
    NSArray *array = [key componentsSeparatedByString:@"/"];
    NSDictionary *dic = self;
    for (int i=0; i<[array count]-1; i++) {
        dic = [dic objectForKey:[array objectAtIndex:i]];
    }
    NSString *temp = [dic objectForKey:[array objectAtIndex:[array count]-1]];
    if (!temp) {
        temp = @"";
    }
    return temp;
}

/*
 根据key值把字典中的list字典转换成数组
 使用方法：NSArray *array = [self getArrayByString:@"Data/responseBody/eventList"];
 */
- (NSMutableArray*)getArrayByString:(NSString*)string  {
    NSDictionary *dic = [self getObjectByKey:string];
    
    NSMutableArray *array = [[NSMutableArray alloc] init];
    if (dic && [dic isKindOfClass:[NSDictionary class]]) {
        NSArray *keys = [dic allSortedKeys];
        for (int i=0; i<[keys count]; i++) {
            NSString *key = [keys objectAtIndex:i];
            [array addObject:[dic objectForKey:key]];
        }
    }
    return [array autorelease];
}


/*
 根据参数返回排序的keys
 */
- (NSArray*)sortedKeysByString:(NSString*)elementName {
    NSMutableArray *array = [NSMutableArray array];
    for (int i=0; i<[[self allKeys] count]; i++) {
        if (i == 0) {
            [array addObject:[NSString stringWithFormat:@"%@", elementName]];
            continue;
        }
        [array addObject:[NSString stringWithFormat:@"%@%d", elementName, i]];
    }
    return array;
}

/*
 对key进行排序，替代[dic allKeys]，对keys进行排序
 */
- (NSArray *)allSortedKeys {
    if ([self objectForKey:@"ITEM"]) {
        NSMutableArray *array = [NSMutableArray array];
        [array addObject:@"ITEM"];
        for (int i=1; i<[[self allValues] count]; i++) {
            [array addObject:[NSString stringWithFormat:@"ITEM%d", i]];
        }
        return array;
    }
    else if ([self objectForKey:@"ITEM"]) {
        NSMutableArray *array = [NSMutableArray array];
        [array addObject:@"ITEM"];
        for (int i=1; i<[[self allValues] count]; i++) {
            [array addObject:[NSString stringWithFormat:@"ITEM%d", i]];
        }
        return array;
    }
    return [self allKeys];
}



@end


@implementation NSString (chnbs)


-(void)saveApiCacheFileName:(NSString*)fileName{
    
    NSString * cacheFolder = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES) lastObject];
    cacheFolder = [cacheFolder stringByAppendingPathComponent:@"JiangSu"];
    
    NSFileManager * fmgr = [NSFileManager defaultManager];
    if (![fmgr fileExistsAtPath:cacheFolder])
    {
        NSError * error;
        [fmgr createDirectoryAtPath:cacheFolder withIntermediateDirectories:YES attributes:nil error:&error];
    }
    cacheFolder = [cacheFolder stringByAppendingPathComponent:fileName];
    [self writeToFile:cacheFolder atomically:YES encoding:NSUTF8StringEncoding error:NULL];
}

@end