#import "NSString+String.h"

@implementation NSString (String)

-(CGSize)sizeWithFont:(UIFont *)font With:(CGFloat)with{
    CGSize size = CGSizeMake(with, MAXFLOAT);//限制文字显识的一个区域
    NSDictionary *att = @{NSFontAttributeName : font};//文字显示的属性
    CGRect rect = [self boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin attributes:att context:nil];//计算出文字显示需要的大小
    return rect.size;
}
-(CGSize)sizeWithFont:(UIFont *)font hiegth:(CGFloat)hiegth{
    CGSize size = CGSizeMake(MAXFLOAT, hiegth);//限制文字显识的一个区域
    NSDictionary *att = @{NSFontAttributeName : font};//文字显示的属性
    
    CGRect rect = [self boundingRectWithSize:size options:NSStringDrawingUsesLineFragmentOrigin attributes:att context:nil];
    return rect.size;
    
}




+(NSString *)filePathInDocumentsWithFileName:(NSString *)filename{
    NSString *documentsPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES).firstObject;
    NSString *filePath = [documentsPath stringByAppendingPathComponent:filename];
    return filePath;
}


+ (NSString *)dictionaryToJson:(NSDictionary *)dic
{
    
    NSError *parseError = nil;
    
    NSData *jsonData = [NSJSONSerialization dataWithJSONObject:dic options:NSJSONWritingPrettyPrinted error:&parseError];
    
    return [[NSString alloc] initWithData:jsonData encoding:NSUTF8StringEncoding];
    
}
+ (NSDictionary *)dictionaryWithJsonString:(NSString *)jsonStr{
    NSData *data = [jsonStr dataUsingEncoding:NSUTF8StringEncoding];
    NSDictionary *tempDic = [NSJSONSerialization JSONObjectWithData:data options:0 error:nil];
    
    return tempDic;
}


@end