o链接器错误（加密应用程序）
我在Xcode中有一个基本的加密项目并且不断收到错误。 这是我的viewcontroller.m文件
////////////////////////////////////////////////// //
这是错误
前两个：
Ld /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app/£ncryptor normal x86_64
cd "/Volumes/Ellek/Xcode/£ncryptor"
export IPHONEOS_DEPLOYMENT_TARGET=7.1
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -arch x86_64 -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk -L/Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator -L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator7.1.sdk/usr/lib/system -F/Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator -filelist /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Intermediates/£ncryptor.build/Debug-iphonesimulator/£ncryptor.build/Objects-normal/x86_64/£ncryptor.LinkFileList -Xlinker -objc_abi_version -Xlinker 2 -fobjc-link-runtime -Xlinker -no_implicit_dylibs -mios-simulator-version-min=7.1 -framework QuartzCore -framework CoreGraphics -framework UIKit -Xlinker -dependency_info -Xlinker /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Intermediates/£ncryptor.build/Debug-iphonesimulator/£ncryptor.build/Objects-normal/x86_64/£ncryptor_dependency_info.dat -o /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app/£ncryptor
Undefined symbols for architecture x86_64:
"_password", referenced from:
-[ZAViewController decrypt:] in ZAViewController.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
最后的错误：
GenerateDSYMFile /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app.dSYM /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app/£ncryptor
cd "/Volumes/Ellek/Xcode/£ncryptor"
export PATH="/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Applications/Xcode.app/Contents/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/dsymutil /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app/£ncryptor -o /Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app.dSYM
error: unable to open executable '/Users/ellek/Library/Developer/Xcode/DerivedData/£ncryptor-hfcpwsbibblkliafeasjiugwqzuy/Build/Products/Debug-iphonesimulator/£ncryptor.app/£ncryptor'
////////////////////////////////////////////////// //
这是.h文件
#import <UIKit/UIKit.h>
#import "NSData-AES.h"
#import "Base64.h"
#import <QuartzCore/QuartzCore.h>
#import <CoreGraphics/CoreGraphics.h>
@interface ZAViewController : UIViewController{
// NSString *decryptedStr;
// NSString *customKey;
// NSString *password;
UITextField *customKey;
// NSString *customKeyString;
}
//encrypt
@property (strong, nonatomic) IBOutlet UITextView *textFieldEncrypt;
@property (strong, nonatomic) IBOutlet UILabel *encryptedLabel;
- (IBAction)encrypt:(UIButton *)sender;
//decrypt
@property (strong, nonatomic) IBOutlet UITextView *textFieldDecrypt;
@property (strong, nonatomic) IBOutlet UILabel *decryptLabel;
@property (strong, nonatomic) IBOutlet UITextField *customKey;
//@property (strong, nonatomic) IBOutlet NSString *customKeyString;
- (IBAction)decrypt:(UIButton *)sender;
- (IBAction)options:(UIButton *)sender;
@end
////////////////////////////////////////////////// //
.M文件
.m文件的顶部
#import "ZAViewController.h"
@interface ZAViewController ()
@end
@implementation ZAViewController
extern NSString *password;
@synthesize customKey;
第一次IBAction：
- （IBAction）解密：（UIButton *）sender {
//解密字符串
[self.textFieldDecrypt resignFirstResponder]; NSString * b64EncStr = self.textFieldDecrypt.text;
NSData * b64DecData = [Base64 decode：b64EncStr];
NSData * decryptedData = [b64DecData AESDecryptWithPassphrase：password];
NSString * decryptedStr = [[NSString alloc] initWithData：decryptedData
编码：NSASCIIStringEncoding];
self.decryptLabel.text = decryptedStr;
[self.textFieldDecrypt resignFirstResponder];
}
下一个IBAction：
-(IBAction)encrypt:(UIButton *)sender {
NSString *password = nil;
NSString *customKeyString = self.customKey.text;
if ([customKeyString length] == 0) {
password = @"M1Jzqn8sDNJDp2rjqj6ECqPozCUZXsE";
}
if ([customKeyString length] != 0) {
password = customKeyString;
}
/*
if ([customKeyString length] == 0) {
NSString *password = @"M1Jzqn8sDNJDp2rjqj6ECqPozCUZXsE";
}
if ([customKeyString length] != 0) {
NSString *password = customKeyString;
}*/
[self.textFieldEncrypt resignFirstResponder];
NSString *str = self.textFieldEncrypt.text; // It does not work with UTF8 like @"こんにちは世界"
NSLog(@"encrypting string = %@",str);
NSData *data = [str dataUsingEncoding: NSASCIIStringEncoding];
NSData *encryptedData = [data AESEncryptWithPassphrase:password];
[Base64 initialize];
NSString *b64EncStr = [Base64 encode:encryptedData];
NSLog(@"Base 64 encoded = %@",b64EncStr);
self.encryptedLabel.text = b64EncStr;
UIPasteboard *pasteboard = [UIPasteboard generalPasteboard];
pasteboard.string = b64EncStr;
NSString* messageString = [NSString stringWithFormat: @"The encrypted text (%@) has been copied to the clipboard", b64EncStr];
UIAlertView *copyTHAT = [[[UIAlertView alloc] initWithTitle:@"Copy Successful"
message:messageString
delegate:self
cancelButtonTitle:@"Ok"
otherButtonTitles:nil] autorelease];
[copyTHAT show];
}
IBAction 3：
- (IBAction)options:(UIButton *)sender{
if ((customKey.enabled = YES)) {
customKey.enabled = NO;
}
if ((customKey.enabled = NO)) {
customKey.enabled = YES;
}
}