iOS Base64编码

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//.h

@interface NSString (util)

#pragma mark - base64

+(NSString*)encodeBase64String:(NSString*)input;

+(NSString*)decodeBase64String:(NSString*)input;

+(NSString*)encodeBase64Data:(NSData*)data;

+(NSString*)decodeBase64Data:(NSData*)data;@end

//.m

#import "ExtendNSString.h"

#import "GTMBase64.h"

static const charencodingTable[] ="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

@implementation NSString (util)

#pragma mark - base64

+(NSString*)encodeBase64String:(NSString *)input {

NSData*data = [input dataUsingEncoding:NSUTF8StringEncodingallowLossyConversion:YES];

data= [GTMBase64 encodeData:data];

NSString*base64String = [[NSString alloc] initWithData:dataencoding:NSUTF8StringEncoding];

returnbase64String;

}

+(NSString*)decodeBase64String:(NSString *)input {

NSData*data = [input dataUsingEncoding:NSUTF8StringEncodingallowLossyConversion:YES];

data= [GTMBase64 decodeData:data];

NSString*base64String = [[NSString alloc] initWithData:dataencoding:NSUTF8StringEncoding];

returnbase64String;

}

+(NSString*)encodeBase64Data:(NSData*)data {

data= [GTMBase64 encodeData:data];

NSString*base64String = [[NSString alloc] initWithData:dataencoding:NSUTF8StringEncoding];

returnbase64String;

}

+(NSString*)decodeBase64Data:(NSData*)data {

data= [GTMBase64 decodeData:data];

NSString*base64String = [[NSString alloc] initWithData:dataencoding:NSUTF8StringEncoding];

returnbase64String;

}

@end

附件：gtmbase64.zip

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