读取USB HDD(USB移动硬盘信息)序列号的代码

2024-04-15 00:58

本文主要是介绍读取USB HDD(USB移动硬盘信息)序列号的代码,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!

读取USB HDD(USB移动硬盘)序列号的代码,型号及分位。

使用Visual Studio 2010编译成功。

代码使用了CrystalDiskInfo中的代码smartata.c中相关代码:

如下的连接解释了为何使用scsi的相关代码,需要USB IC的数据转换。

http://blog.csdn.net/waityoualife/article/details/5656589

实现代码如下:

// DiskInfo.cpp : Defines the entry point for the console application.
//#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>
#include <winioctl.h>
#include <stddef.h>
#include <memory.h>#define IOCTL_STORAGE_QUERY_PROPERTY   CTL_CODE(IOCTL_STORAGE_BASE, 0x0500, METHOD_BUFFERED, FILE_ANY_ACCESS)typedef struct _IDENTIFY_DEVICE{WORD		GeneralConfiguration;					//0WORD		LogicalCylinders;						//1	ObsoleteWORD		SpecificConfiguration;					//2WORD		LogicalHeads;							//3 ObsoleteWORD		Retired1[2];							//4-5WORD		LogicalSectors;							//6 ObsoleteDWORD		ReservedForCompactFlash;				//7-8WORD		Retired2;								//9CHAR		SerialNumber[20];						//10-19WORD		Retired3;								//20WORD		BufferSize;								//21 Obsolete
//		WORD		Obsolute4;								//22CHAR		FirmwareRev[8];							//23-26CHAR		Model[40];								//27-46WORD		MaxNumPerInterupt;						//47WORD		Reserved1;								//48WORD		Capabilities1;							//49WORD		Capabilities2;							//50DWORD		Obsolute5;								//51-52WORD		Field88and7064;							//53WORD		Obsolute6[5];							//54-58WORD		MultSectorStuff;						//59DWORD		TotalAddressableSectors;				//60-61WORD		Obsolute7;								//62WORD		MultiWordDma;							//63WORD		PioMode;								//64WORD		MinMultiwordDmaCycleTime;				//65WORD		RecommendedMultiwordDmaCycleTime;		//66WORD		MinPioCycleTimewoFlowCtrl;				//67WORD		MinPioCycleTimeWithFlowCtrl;			//68WORD		Reserved2[6];							//69-74WORD		QueueDepth;								//75WORD		SerialAtaCapabilities;					//76WORD		SerialAtaAdditionalCapabilities;		//77WORD		SerialAtaFeaturesSupported;				//78WORD		SerialAtaFeaturesEnabled;				//79WORD		MajorVersion;							//80WORD		MinorVersion;							//81WORD		CommandSetSupported1;					//82WORD		CommandSetSupported2;					//83WORD		CommandSetSupported3;					//84WORD		CommandSetEnabled1;						//85WORD		CommandSetEnabled2;						//86WORD		CommandSetDefault;						//87WORD		UltraDmaMode;							//88WORD		TimeReqForSecurityErase;				//89WORD		TimeReqForEnhancedSecure;				//90WORD		CurrentPowerManagement;					//91WORD		MasterPasswordRevision;					//92WORD		HardwareResetResult;					//93WORD		AcoustricManagement;					//94WORD		StreamMinRequestSize;					//95WORD		StreamingTimeDma;						//96WORD		StreamingAccessLatency;					//97DWORD		StreamingPerformance;					//98-99ULONGLONG	MaxUserLba;								//100-103WORD		StremingTimePio;						//104WORD		Reserved3;								//105WORD		SectorSize;								//106WORD		InterSeekDelay;							//107WORD		IeeeOui;								//108WORD		UniqueId3;								//109WORD		UniqueId2;								//110WORD		UniqueId1;								//111WORD		Reserved4[4];							//112-115WORD		Reserved5;								//116DWORD		WordsPerLogicalSector;					//117-118WORD		Reserved6[8];							//119-126WORD		RemovableMediaStatus;					//127WORD		SecurityStatus;							//128WORD		VendorSpecific[31];						//129-159WORD		CfaPowerMode1;							//160WORD		ReservedForCompactFlashAssociation[7];	//161-167WORD		DeviceNominalFormFactor;				//168WORD		DataSetManagement;						//169WORD		AdditionalProductIdentifier[4];			//170-173WORD		Reserved7[2];							//174-175CHAR		CurrentMediaSerialNo[60];				//176-205WORD		SctCommandTransport;					//206WORD		ReservedForCeAta1[2];					//207-208WORD		AlignmentOfLogicalBlocks;				//209DWORD		WriteReadVerifySectorCountMode3;		//210-211DWORD		WriteReadVerifySectorCountMode2;		//212-213WORD		NvCacheCapabilities;					//214DWORD		NvCacheSizeLogicalBlocks;				//215-216WORD		NominalMediaRotationRate;				//217WORD		Reserved8;								//218WORD		NvCacheOptions1;						//219WORD		NvCacheOptions2;						//220WORD		Reserved9;								//221WORD		TransportMajorVersionNumber;			//222WORD		TransportMinorVersionNumber;			//223WORD		ReservedForCeAta2[10];					//224-233WORD		MinimumBlocksPerDownloadMicrocode;		//234WORD		MaximumBlocksPerDownloadMicrocode;		//235WORD		Reserved10[19];							//236-254WORD		IntegrityWord;							//255
}IDENTIFY_DEVICE;typedef enum _COMMAND_TYPE{CMD_TYPE_PHYSICAL_DRIVE = 0,CMD_TYPE_SCSI_MINIPORT,CMD_TYPE_SILICON_IMAGE,CMD_TYPE_SAT,				// SAT = SCSI_ATA_TRANSLATIONCMD_TYPE_SUNPLUS,CMD_TYPE_IO_DATA,CMD_TYPE_LOGITEC,CMD_TYPE_JMICRON,CMD_TYPE_CYPRESS,CMD_TYPE_PROLIFIC,			// Not imprementCMD_TYPE_CSMI,				// CSMI = Common Storage Management InterfaceCMD_TYPE_CSMI_PHYSICAL_DRIVE, // CSMI = Common Storage Management Interface CMD_TYPE_WMI,CMD_TYPE_DEBUG
}COMMAND_TYPE;// retrieve the properties of a storage device or adapter.
typedef enum _STORAGE_QUERY_TYPE {PropertyStandardQuery = 0,PropertyExistsQuery,PropertyMaskQuery,PropertyQueryMaxDefined
} STORAGE_QUERY_TYPE, *PSTORAGE_QUERY_TYPE;// retrieve the properties of a storage device or adapter.typedef struct _STORAGE_PROPERTY_QUERY {STORAGE_PROPERTY_ID  PropertyId;STORAGE_QUERY_TYPE  QueryType;UCHAR  AdditionalParameters[1];
} STORAGE_PROPERTY_QUERY, *PSTORAGE_PROPERTY_QUERY;#define	FILE_DEVICE_SCSI							0x0000001b
#define	IOCTL_SCSI_MINIPORT_IDENTIFY				((FILE_DEVICE_SCSI << 16) + 0x0501)
#define	IOCTL_SCSI_MINIPORT_READ_SMART_ATTRIBS		((FILE_DEVICE_SCSI << 16) + 0x0502)
#define IOCTL_SCSI_MINIPORT_READ_SMART_THRESHOLDS	((FILE_DEVICE_SCSI << 16) + 0x0503)
#define IOCTL_SCSI_MINIPORT_ENABLE_SMART			((FILE_DEVICE_SCSI << 16) + 0x0504)
#define IOCTL_SCSI_MINIPORT_DISABLE_SMART			((FILE_DEVICE_SCSI << 16) + 0x0505)#define IOCTL_SCSI_BASE                 FILE_DEVICE_CONTROLLER
#define IOCTL_SCSI_PASS_THROUGH         CTL_CODE(IOCTL_SCSI_BASE, 0x0401, METHOD_BUFFERED, FILE_READ_ACCESS | FILE_WRITE_ACCESS)//
// Define values for pass-through DataIn field.
//
#define SCSI_IOCTL_DATA_OUT          0
#define SCSI_IOCTL_DATA_IN           1
#define SCSI_IOCTL_DATA_UNSPECIFIED  2//
// Define the SCSI pass through structure.
//
typedef struct _SCSI_PASS_THROUGH {USHORT Length;UCHAR ScsiStatus;UCHAR PathId;UCHAR TargetId;UCHAR Lun;UCHAR CdbLength;UCHAR SenseInfoLength;UCHAR DataIn;ULONG DataTransferLength;ULONG TimeOutValue;ULONG_PTR DataBufferOffset;ULONG SenseInfoOffset;UCHAR Cdb[16];
}SCSI_PASS_THROUGH, *PSCSI_PASS_THROUGH;typedef struct _SCSI_PASS_THROUGH_WITH_BUFFERS {
SCSI_PASS_THROUGH Spt;
ULONG             Filler;      // realign buffers to double word boundary
UCHAR             SenseBuf[32];
UCHAR             DataBuf[512];
} SCSI_PASS_THROUGH_WITH_BUFFERS, *PSCSI_PASS_THROUGH_WITH_BUFFERS;static void dump_buffer(const char* title, const unsigned char* buffer, int len)
{int i = 0;int j;printf ("\n-- %s --\n", title);if (len > 0){printf ("%8.8s ", " ");for (j = 0; j < 16; ++j){printf (" %2X", j);}printf ("  ");for (j = 0; j < 16; ++j){printf ("%1X", j);}printf ("\n");}while (i < len){printf("%08x ", i);for (j = 0; j < 16; ++j){if ((i + j) < len)printf (" %02x", (int) buffer[i +j]);elseprintf ("   ");}printf ("  ");for (j = 0; j < 16; ++j){if ((i + j) < len)printf ("%c", isprint (buffer[i + j]) ? buffer [i + j] : '.');elseprintf (" ");}printf ("\n");i += 16;}printf ("-- DONE --\n");
}void ChangeByteOrder(PCHAR szString, USHORT uscStrSize)
{USHORT i;CHAR temp;for (i = 0; i < uscStrSize; i+=2){temp = szString[i];szString[i] = szString[i+1];szString[i+1] = temp;}
}BOOL DoIdentifyDeviceSat(HANDLE physicalDriveId, BYTE target, IDENTIFY_DEVICE* data, COMMAND_TYPE type)
{BOOL	bRet;HANDLE	hIoCtrl;DWORD	dwReturned;DWORD	length;SCSI_PASS_THROUGH_WITH_BUFFERS sptwb;if(data == NULL){printf("Data\n");return	FALSE;}ZeroMemory(data, sizeof(IDENTIFY_DEVICE));hIoCtrl = physicalDriveId;if(hIoCtrl == INVALID_HANDLE_VALUE){printf("Handle\n");return	FALSE;}ZeroMemory(&sptwb,sizeof(SCSI_PASS_THROUGH_WITH_BUFFERS));sptwb.Spt.Length = sizeof(SCSI_PASS_THROUGH);sptwb.Spt.PathId = 0;sptwb.Spt.TargetId = 0;sptwb.Spt.Lun = 0;sptwb.Spt.SenseInfoLength = 24;sptwb.Spt.DataIn = SCSI_IOCTL_DATA_IN;sptwb.Spt.DataTransferLength = IDENTIFY_BUFFER_SIZE;sptwb.Spt.TimeOutValue = 2;sptwb.Spt.DataBufferOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf);sptwb.Spt.SenseInfoOffset = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, SenseBuf);if(type == CMD_TYPE_SAT){sptwb.Spt.CdbLength = 12;sptwb.Spt.Cdb[0] = 0xA1;//ATA PASS THROUGH(12) OPERATION CODE(A1h)sptwb.Spt.Cdb[1] = (4 << 1) | 0; //MULTIPLE_COUNT=0,PROTOCOL=4(PIO Data-In),Reservedsptwb.Spt.Cdb[2] = (1 << 3) | (1 << 2) | 2;//OFF_LINE=0,CK_COND=0,Reserved=0,T_DIR=1(ToDevice),BYTE_BLOCK=1,T_LENGTH=2sptwb.Spt.Cdb[3] = 0;//FEATURES (7:0)sptwb.Spt.Cdb[4] = 1;//SECTOR_COUNT (7:0)sptwb.Spt.Cdb[5] = 0;//LBA_LOW (7:0)sptwb.Spt.Cdb[6] = 0;//LBA_MID (7:0)sptwb.Spt.Cdb[7] = 0;//LBA_HIGH (7:0)sptwb.Spt.Cdb[8] = target;sptwb.Spt.Cdb[9] = 0xEC;//COMMAND}else if(type == CMD_TYPE_SUNPLUS){sptwb.Spt.CdbLength = 12;sptwb.Spt.Cdb[0] = 0xF8;sptwb.Spt.Cdb[1] = 0x00;sptwb.Spt.Cdb[2] = 0x22;sptwb.Spt.Cdb[3] = 0x10;sptwb.Spt.Cdb[4] = 0x01;sptwb.Spt.Cdb[5] = 0x00; sptwb.Spt.Cdb[6] = 0x01; sptwb.Spt.Cdb[7] = 0x00; sptwb.Spt.Cdb[8] = 0x00;sptwb.Spt.Cdb[9] = 0x00;sptwb.Spt.Cdb[10] = target; sptwb.Spt.Cdb[11] = 0xEC; // ID_CMD}else if(type == CMD_TYPE_IO_DATA){sptwb.Spt.CdbLength = 12;sptwb.Spt.Cdb[0] = 0xE3;sptwb.Spt.Cdb[1] = 0x00;sptwb.Spt.Cdb[2] = 0x00;sptwb.Spt.Cdb[3] = 0x01;sptwb.Spt.Cdb[4] = 0x01;sptwb.Spt.Cdb[5] = 0x00; sptwb.Spt.Cdb[6] = 0x00; sptwb.Spt.Cdb[7] = target;sptwb.Spt.Cdb[8] = 0xEC;  // ID_CMDsptwb.Spt.Cdb[9] = 0x00;sptwb.Spt.Cdb[10] = 0x00; sptwb.Spt.Cdb[11] = 0x00;}else if(type == CMD_TYPE_LOGITEC){sptwb.Spt.CdbLength = 10;sptwb.Spt.Cdb[0] = 0xE0;sptwb.Spt.Cdb[1] = 0x00;sptwb.Spt.Cdb[2] = 0x00;sptwb.Spt.Cdb[3] = 0x00;sptwb.Spt.Cdb[4] = 0x00;sptwb.Spt.Cdb[5] = 0x00; sptwb.Spt.Cdb[6] = 0x00; sptwb.Spt.Cdb[7] = target; sptwb.Spt.Cdb[8] = 0xEC;  // ID_CMDsptwb.Spt.Cdb[9] = 0x4C;}else if(type == CMD_TYPE_JMICRON){sptwb.Spt.CdbLength = 12;sptwb.Spt.Cdb[0] = 0xDF;sptwb.Spt.Cdb[1] = 0x10;sptwb.Spt.Cdb[2] = 0x00;sptwb.Spt.Cdb[3] = 0x02;sptwb.Spt.Cdb[4] = 0x00;sptwb.Spt.Cdb[5] = 0x00; sptwb.Spt.Cdb[6] = 0x01; sptwb.Spt.Cdb[7] = 0x00; sptwb.Spt.Cdb[8] = 0x00;sptwb.Spt.Cdb[9] = 0x00;sptwb.Spt.Cdb[10] = target; sptwb.Spt.Cdb[11] = 0xEC; // ID_CMD}else if(type == CMD_TYPE_CYPRESS){sptwb.Spt.CdbLength = 16;sptwb.Spt.Cdb[0] = 0x24;sptwb.Spt.Cdb[1] = 0x24;sptwb.Spt.Cdb[2] = 0x00;sptwb.Spt.Cdb[3] = 0xBE;sptwb.Spt.Cdb[4] = 0x01;sptwb.Spt.Cdb[5] = 0x00; sptwb.Spt.Cdb[6] = 0x00; sptwb.Spt.Cdb[7] = 0x01; sptwb.Spt.Cdb[8] = 0x00;sptwb.Spt.Cdb[9] = 0x00;sptwb.Spt.Cdb[10] = 0x00; sptwb.Spt.Cdb[11] = target;sptwb.Spt.Cdb[12] = 0xEC; // ID_CMDsptwb.Spt.Cdb[13] = 0x00;sptwb.Spt.Cdb[14] = 0x00;sptwb.Spt.Cdb[15] = 0x00;}else{return FALSE;}length = offsetof(SCSI_PASS_THROUGH_WITH_BUFFERS, DataBuf) + sptwb.Spt.DataTransferLength;bRet = DeviceIoControl(hIoCtrl, IOCTL_SCSI_PASS_THROUGH, &sptwb, sizeof(SCSI_PASS_THROUGH),&sptwb, length,	&dwReturned, NULL);CloseHandle(hIoCtrl);if(bRet == FALSE || dwReturned != length){return	FALSE;}memcpy(data, sptwb.DataBuf, sizeof(IDENTIFY_DEVICE));return	TRUE;
}int main(int argc, char *argv[]) {HANDLE hDevice=NULL;STORAGE_PROPERTY_QUERY		sQuery;STORAGE_DEVICE_DESCRIPTOR*	pDescriptor;char *model, *firmware, *serialnumber;char usb_hdd_model[41], usb_hdd_firmware[9], usb_hdd_Serialnumber[21];IDENTIFY_DEVICE identify = {0};char pcbData[4096];int dwLen = 4096;DWORD	dwRet;BOOL	bRet;hDevice=CreateFileA("\\\\.\\PhysicalDrive1",GENERIC_READ|GENERIC_WRITE,FILE_SHARE_READ|FILE_SHARE_WRITE,NULL,OPEN_EXISTING,0,NULL);if(hDevice==INVALID_HANDLE_VALUE){   fprintf(stderr, "CreateFile()\n");exit(1);	}memset(pcbData, 0, 4096);sQuery.PropertyId = StorageDeviceProperty;sQuery.QueryType  = PropertyStandardQuery;bRet = DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY, &sQuery, sizeof(STORAGE_PROPERTY_QUERY), pcbData,dwLen,&dwRet,NULL);if(bRet){pDescriptor = (STORAGE_DEVICE_DESCRIPTOR*)pcbData;if(pDescriptor->BusType == BusTypeUsb){printf("USB-Type\n");}if(pDescriptor->ProductIdOffset){model = (char*)pDescriptor + pDescriptor->ProductIdOffset;printf("Model: %s\n", model);}if(pDescriptor->ProductRevisionOffset){firmware = (char*)pDescriptor + pDescriptor->ProductRevisionOffset;printf("Firmware: %s\n", firmware);}if(pDescriptor->SerialNumberOffset){serialnumber = (char*)pDescriptor + pDescriptor->SerialNumberOffset;printf("Serial number: %s\n", serialnumber);}}
/*CMD_TYPE_SAT,				// SAT = SCSI_ATA_TRANSLATIONCMD_TYPE_SUNPLUS,CMD_TYPE_IO_DATA,CMD_TYPE_LOGITEC,CMD_TYPE_JMICRON,CMD_TYPE_CYPRESS,
*/if(DoIdentifyDeviceSat(hDevice, 0xa0, &identify, CMD_TYPE_SAT)){printf("0xA0-CMD_TYPE_SAT-Return ok");}	else if(DoIdentifyDeviceSat(hDevice, 0xa0, &identify, CMD_TYPE_SUNPLUS)){printf("0xA0-CMD_TYPE_SUNPLUS-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xa0, &identify, CMD_TYPE_IO_DATA)){printf("0xA0-CMD_TYPE_IO_DATA-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xa0, &identify, CMD_TYPE_LOGITEC)){printf("0xA0-CMD_TYPE_LOGITEC-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xa0, &identify, CMD_TYPE_JMICRON)){printf("0xA0-CMD_TYPE_JMICRON-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xb0, &identify, CMD_TYPE_SAT)){printf("0xB0-CMD_TYPE_SAT-Return ok");}	else if(DoIdentifyDeviceSat(hDevice, 0xb0, &identify, CMD_TYPE_SUNPLUS)){printf("0xB0-CMD_TYPE_SUNPLUS-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xb0, &identify, CMD_TYPE_IO_DATA)){printf("0xB0-CMD_TYPE_IO_DATA-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xb0, &identify, CMD_TYPE_LOGITEC)){printf("0xB0-CMD_TYPE_LOGITEC-Return ok");}else if(DoIdentifyDeviceSat(hDevice, 0xb0, &identify, CMD_TYPE_JMICRON)){printf("0xB0-CMD_TYPE_JMICRON-Return ok");}else{printf("Return ng\n");}#define debug 0
#if debugdump_buffer("data", (const unsigned char *)&identify, sizeof(IDENTIFY_DEVICE));
#endifmemcpy(usb_hdd_model, identify.Model, 40);ChangeByteOrder(usb_hdd_model, 40);usb_hdd_model[40]='\0';memcpy(usb_hdd_firmware, identify.FirmwareRev, 8);ChangeByteOrder(usb_hdd_firmware, 8);usb_hdd_firmware[8]='\0';memcpy(usb_hdd_Serialnumber, identify.SerialNumber, 20);ChangeByteOrder(usb_hdd_Serialnumber, 20);usb_hdd_Serialnumber[20]='\0';printf("\nUSB-HDD   Model  name: %s", usb_hdd_model);printf("\nUSB-HDD Firmware  Rev: %s", usb_hdd_firmware);printf("\nUSB-HDD Serial number: %s", usb_hdd_Serialnumber);return 0;
}


这篇关于读取USB HDD(USB移动硬盘信息)序列号的代码的文章就介绍到这儿,希望我们推荐的文章对编程师们有所帮助!



http://www.chinasem.cn/article/904494

相关文章

Java中调用数据库存储过程的示例代码

《Java中调用数据库存储过程的示例代码》本文介绍Java通过JDBC调用数据库存储过程的方法,涵盖参数类型、执行步骤及数据库差异,需注意异常处理与资源管理,以优化性能并实现复杂业务逻辑,感兴趣的朋友... 目录一、存储过程概述二、Java调用存储过程的基本javascript步骤三、Java调用存储过程示

Visual Studio 2022 编译C++20代码的图文步骤

《VisualStudio2022编译C++20代码的图文步骤》在VisualStudio中启用C++20import功能,需设置语言标准为ISOC++20,开启扫描源查找模块依赖及实验性标... 默认创建Visual Studio桌面控制台项目代码包含C++20的import方法。右键项目的属性:

MySQL数据库的内嵌函数和联合查询实例代码

《MySQL数据库的内嵌函数和联合查询实例代码》联合查询是一种将多个查询结果组合在一起的方法,通常使用UNION、UNIONALL、INTERSECT和EXCEPT关键字,下面:本文主要介绍MyS... 目录一.数据库的内嵌函数1.1聚合函数COUNT([DISTINCT] expr)SUM([DISTIN

Java实现自定义table宽高的示例代码

《Java实现自定义table宽高的示例代码》在桌面应用、管理系统乃至报表工具中,表格(JTable)作为最常用的数据展示组件,不仅承载对数据的增删改查,还需要配合布局与视觉需求,而JavaSwing... 目录一、项目背景详细介绍二、项目需求详细介绍三、相关技术详细介绍四、实现思路详细介绍五、完整实现代码

Go语言代码格式化的技巧分享

《Go语言代码格式化的技巧分享》在Go语言的开发过程中,代码格式化是一个看似细微却至关重要的环节,良好的代码格式化不仅能提升代码的可读性,还能促进团队协作,减少因代码风格差异引发的问题,Go在代码格式... 目录一、Go 语言代码格式化的重要性二、Go 语言代码格式化工具:gofmt 与 go fmt(一)

HTML5实现的移动端购物车自动结算功能示例代码

《HTML5实现的移动端购物车自动结算功能示例代码》本文介绍HTML5实现移动端购物车自动结算,通过WebStorage、事件监听、DOM操作等技术,确保实时更新与数据同步,优化性能及无障碍性,提升用... 目录1. 移动端购物车自动结算概述2. 数据存储与状态保存机制2.1 浏览器端的数据存储方式2.1.

基于 HTML5 Canvas 实现图片旋转与下载功能(完整代码展示)

《基于HTML5Canvas实现图片旋转与下载功能(完整代码展示)》本文将深入剖析一段基于HTML5Canvas的代码,该代码实现了图片的旋转(90度和180度)以及旋转后图片的下载... 目录一、引言二、html 结构分析三、css 样式分析四、JavaScript 功能实现一、引言在 Web 开发中,

Python如何去除图片干扰代码示例

《Python如何去除图片干扰代码示例》图片降噪是一个广泛应用于图像处理的技术,可以提高图像质量和相关应用的效果,:本文主要介绍Python如何去除图片干扰的相关资料,文中通过代码介绍的非常详细,... 目录一、噪声去除1. 高斯噪声(像素值正态分布扰动)2. 椒盐噪声(随机黑白像素点)3. 复杂噪声(如伪

Java Spring ApplicationEvent 代码示例解析

《JavaSpringApplicationEvent代码示例解析》本文解析了Spring事件机制,涵盖核心概念(发布-订阅/观察者模式)、代码实现(事件定义、发布、监听)及高级应用(异步处理、... 目录一、Spring 事件机制核心概念1. 事件驱动架构模型2. 核心组件二、代码示例解析1. 事件定义

Python实例题之pygame开发打飞机游戏实例代码

《Python实例题之pygame开发打飞机游戏实例代码》对于python的学习者,能够写出一个飞机大战的程序代码,是不是感觉到非常的开心,:本文主要介绍Python实例题之pygame开发打飞机... 目录题目pygame-aircraft-game使用 Pygame 开发的打飞机游戏脚本代码解释初始化部