#import <UIKit/UIKit.h>
@interface Base64String : NSObject
+ (NSString *)base64String:(NSString*)sourceString;
+ (NSString*)encodeBase64String:(NSString*)baseString;
+ (NSString*)base64Image:(UIImage*)image;
+ (UIImage*)encodebase64WithImage:(NSString*)baseSring;
@end
/88888888888888888888888分割线88888888888888888888888888/
#import "Base64String.h"
@implementation Base64String
//把字符串加密为base64字符串
+ (NSString *)base64String:(NSString*)sourceString
{//判断字符串的长度是否小于等于0如果是，就返回空
if (sourceString.length <=0) {
return nil;
}
//把字符串转化为二进制流
NSData * sourceData = [[NSData alloc] initWithData:[sourceString dataUsingEncoding:NSUTF8StringEncoding]];
//把二进制流转化为base64字符串
NSString * baseString = [sourceData base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
return baseString;
}
+ (NSString*)encodeBase64String:(NSString*)baseString
{
if (baseString.length <= 0) {
return nil;
}
NSData * data = [[NSData alloc] initWithBase64EncodedString:baseString options:NSDataBase64DecodingIgnoreUnknownCharacters];
return [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
}
+ (NSString*)base64Image:(UIImage*)image
{
if (!image) {
return nil;
}
NSData * data = UIImagePNGRepresentation(image);
NSString * base64Str = [data base64EncodedStringWithOptions:NSDataBase64EncodingEndLineWithLineFeed];
return base64Str;
}
+ (UIImage*)encodebase64WithImage:(NSString*)baseSring
{
NSData * data = [[NSData alloc] initWithData:[baseSring dataUsingEncoding:NSUTF8StringEncoding]];
NSData * myData = [[NSData alloc] initWithBase64EncodedData:data options:NSDataBase64DecodingIgnoreUnknownCharacters];
return [UIImage imageWithData:myData];
}
@end