NSError 错误code对照

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http://developer.apple.com/library/mac/#documentation/Cocoa/Reference/Foundation/Miscellaneous/Foundation_Constants/Reference/reference.html

Foundation Constants Reference

NSError Codes

NSError codes in the Cocoa error domain.

enum { NSFileNoSuchFileError = 4, NSFileLockingError = 255, NSFileReadUnknownError = 256, NSFileReadNoPermissionError = 257, NSFileReadInvalidFileNameError = 258, NSFileReadCorruptFileError = 259, NSFileReadNoSuchFileError = 260, NSFileReadInapplicableStringEncodingError = 261, NSFileReadUnsupportedSchemeError = 262, NSFileReadTooLargeError = 263, NSFileReadUnknownStringEncodingError = 264, NSFileWriteUnknownError = 512, NSFileWriteNoPermissionError = 513, NSFileWriteInvalidFileNameError = 514, NSFileWriteInapplicableStringEncodingError = 517, NSFileWriteUnsupportedSchemeError = 518, NSFileWriteOutOfSpaceError = 640, NSFileWriteVolumeReadOnlyError = 642m NSKeyValueValidationError = 1024, NSFormattingError = 2048, NSUserCancelledError = 3072, NSFileErrorMinimum = 0, NSFileErrorMaximum = 1023, NSValidationErrorMinimum = 1024, NSValidationErrorMaximum = 2047, NSFormattingErrorMinimum = 2048, NSFormattingErrorMaximum = 2559, NSPropertyListReadCorruptError = 3840, NSPropertyListReadUnknownVersionError = 3841, NSPropertyListReadStreamError = 3842, NSPropertyListWriteStreamError = 3851, NSPropertyListErrorMinimum = 3840, NSPropertyListErrorMaximum = 4095 NSExecutableErrorMinimum = 3584, NSExecutableNotLoadableError = 3584, NSExecutableArchitectureMismatchError = 3585, NSExecutableRuntimeMismatchError = 3586, NSExecutableLoadError = 3587, NSExecutableLinkError = 3588, NSExecutableErrorMaximum = 3839, }

URL Loading System Error Codes

These values are returned as the error code property of an NSError object with the domain “NSURLErrorDomain”.

typedef enum{   NSURLErrorUnknown = -1,   NSURLErrorCancelled = -999,   NSURLErrorBadURL = -1000,   NSURLErrorTimedOut = -1001,   NSURLErrorUnsupportedURL = -1002,   NSURLErrorCannotFindHost = -1003,   NSURLErrorCannotConnectToHost = -1004,   NSURLErrorDataLengthExceedsMaximum = -1103,   NSURLErrorNetworkConnectionLost = -1005,   NSURLErrorDNSLookupFailed = -1006,   NSURLErrorHTTPTooManyRedirects = -1007,   NSURLErrorResourceUnavailable = -1008,   NSURLErrorNotConnectedToInternet = -1009,   NSURLErrorRedirectToNonExistentLocation = -1010,   NSURLErrorBadServerResponse = -1011,   NSURLErrorUserCancelledAuthentication = -1012,   NSURLErrorUserAuthenticationRequired = -1013,   NSURLErrorZeroByteResource = -1014,   NSURLErrorCannotDecodeRawData = -1015,   NSURLErrorCannotDecodeContentData = -1016,   NSURLErrorCannotParseResponse = -1017,   NSURLErrorFileDoesNotExist = -1100,   NSURLErrorFileIsDirectory = -1101,   NSURLErrorNoPermissionsToReadFile = -1102,   NSURLErrorSecureConnectionFailed = -1200,   NSURLErrorServerCertificateHasBadDate = -1201,   NSURLErrorServerCertificateUntrusted = -1202,   NSURLErrorServerCertificateHasUnknownRoot = -1203,   NSURLErrorServerCertificateNotYetValid = -1204,   NSURLErrorClientCertificateRejected = -1205,   NSURLErrorClientCertificateRequired = -1206,   NSURLErrorCannotLoadFromNetwork = -2000,   NSURLErrorCannotCreateFile = -3000,   NSURLErrorCannotOpenFile = -3001,   NSURLErrorCannotCloseFile = -3002,   NSURLErrorCannotWriteToFile = -3003,   NSURLErrorCannotRemoveFile = -3004,   NSURLErrorCannotMoveFile = -3005,   NSURLErrorDownloadDecodingFailedMidStream = -3006,   NSURLErrorDownloadDecodingFailedToComplete = -3007}

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