springboot项目修改个人头像

    • 1.配置类
    • 2.文件上传工具类
    • 3.前端页面
    • 4.控制层:

1.配置类

# 项目相关配置
ruoyi:
  # 名称
  name: RuoYi
  # 版本
  version: 4.6.2
  # 版权年份
  copyrightYear: 2021
  # 实例演示开关
  demoEnabled: true
  # 文件路径 示例( Windows配置D:/ruoyi/uploadPath,Linux配置 /home/ruoyi/uploadPath)
  profile: C:\Users\14172\AppData\Local
  # 获取ip地址开关
  addressEnabled: false

/**
 * 全局配置类
 * 
 * @author ruoyi
 */
@Component
@ConfigurationProperties(prefix = "ruoyi")
public class RuoYiConfig
{
    /** 项目名称 */
    private static String name;

    /** 版本 */
    private static String version;

    /** 版权年份 */
    private static String copyrightYear;

    /** 实例演示开关 */
    private static boolean demoEnabled;

    /** 上传路径 */
    private static String profile;

    /** 获取地址开关 */
    private static boolean addressEnabled;

    public static String getName()
    {
        return name;
    }

    public void setName(String name)
    {
        RuoYiConfig.name = name;
    }

    public static String getVersion()
    {
        return version;
    }

    public void setVersion(String version)
    {
        RuoYiConfig.version = version;
    }

    public static String getCopyrightYear()
    {
        return copyrightYear;
    }

    public void setCopyrightYear(String copyrightYear)
    {
        RuoYiConfig.copyrightYear = copyrightYear;
    }

    public static boolean isDemoEnabled()
    {
        return demoEnabled;
    }

    public void setDemoEnabled(boolean demoEnabled)
    {
        RuoYiConfig.demoEnabled = demoEnabled;
    }

    public static String getProfile()
    {
        return profile;
    }

    public void setProfile(String profile)
    {
        RuoYiConfig.profile = profile;
    }

    public static boolean isAddressEnabled()
    {
        return addressEnabled;
    }

    public void setAddressEnabled(boolean addressEnabled)
    {
        RuoYiConfig.addressEnabled = addressEnabled;
    }

    /**
     * 获取导入上传路径
     */
    public static String getImportPath()
    {
        return getProfile() + "/import";
    }

    /**
     * 获取头像上传路径
     */
    public static String getAvatarPath()
    {
        return getProfile() + "/avatar";
    }

    /**
     * 获取下载路径
     */
    public static String getDownloadPath()
    {
        return getProfile() + "/download/";
    }

    /**
     * 获取上传路径
     */
    public static String getUploadPath()
    {
        return getProfile() + "/upload";
    }
}

2.文件上传工具类


/**
 * 文件上传工具类
 * 
 * @author ruoyi
 */
public class FileUploadUtils
{
    /**
     * 默认大小 50M
     */
    public static final long DEFAULT_MAX_SIZE = 50 * 1024 * 1024;

    /**
     * 默认的文件名最大长度 100
     */
    public static final int DEFAULT_FILE_NAME_LENGTH = 100;

    /**
     * 默认上传的地址
     */
    private static String defaultBaseDir = RuoYiConfig.getProfile();

    public static void setDefaultBaseDir(String defaultBaseDir)
    {
        FileUploadUtils.defaultBaseDir = defaultBaseDir;
    }

    public static String getDefaultBaseDir()
    {
        return defaultBaseDir;
    }

    /**
     * 以默认配置进行文件上传
     *
     * @param file 上传的文件
     * @return 文件名称
     * @throws Exception
     */
    public static final String upload(MultipartFile file) throws IOException
    {
        try
        {
            return upload(getDefaultBaseDir(), file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
        }
        catch (Exception e)
        {
            throw new IOException(e.getMessage(), e);
        }
    }

    /**
     * 根据文件路径上传
     *
     * @param baseDir 相对应用的基目录
     * @param file 上传的文件
     * @return 文件名称
     * @throws IOException
     */
    public static final String upload(String baseDir, MultipartFile file) throws IOException
    {
        try
        {
            return upload(baseDir, file, MimeTypeUtils.DEFAULT_ALLOWED_EXTENSION);
        }
        catch (Exception e)
        {
            throw new IOException(e.getMessage(), e);
        }
    }

    /**
     * 文件上传
     *
     * @param baseDir 相对应用的基目录
     * @param file 上传的文件
     * @param allowedExtension 上传文件类型
     * @return 返回上传成功的文件名
     * @throws FileSizeLimitExceededException 如果超出最大大小
     * @throws FileNameLengthLimitExceededException 文件名太长
     * @throws IOException 比如读写文件出错时
     * @throws InvalidExtensionException 文件校验异常
     */
    public static final String upload(String baseDir, MultipartFile file, String[] allowedExtension)
            throws FileSizeLimitExceededException, IOException, FileNameLengthLimitExceededException,
            InvalidExtensionException
    {
        int fileNamelength = file.getOriginalFilename().length();
        if (fileNamelength > FileUploadUtils.DEFAULT_FILE_NAME_LENGTH)
        {
            throw new FileNameLengthLimitExceededException(FileUploadUtils.DEFAULT_FILE_NAME_LENGTH);
        }

        assertAllowed(file, allowedExtension);

        String fileName = extractFilename(file);

        File desc = getAbsoluteFile(baseDir, fileName);
        file.transferTo(desc);
        String pathFileName = getPathFileName(baseDir, fileName);
        return pathFileName;
    }

    /**
     * 编码文件名
     */
    public static final String extractFilename(MultipartFile file)
    {
        String fileName = file.getOriginalFilename();
        String extension = getExtension(file);
        fileName = DateUtils.datePath() + "/" + IdUtils.fastUUID() + "." + extension;
        return fileName;
    }

    public static final File getAbsoluteFile(String uploadDir, String fileName) throws IOException
    {
        File desc = new File(uploadDir + File.separator + fileName);

        if (!desc.exists())
        {
            if (!desc.getParentFile().exists())
            {
                desc.getParentFile().mkdirs();
            }
        }
        return desc;
    }

    public static final String getPathFileName(String uploadDir, String fileName) throws IOException
    {
        int dirLastIndex = RuoYiConfig.getProfile().length() + 1;
        String currentDir = StringUtils.substring(uploadDir, dirLastIndex);
        String pathFileName = Constants.RESOURCE_PREFIX + "/" + currentDir + "/" + fileName;
        return pathFileName;
    }

    /**
     * 文件大小校验
     *
     * @param file 上传的文件
     * @return
     * @throws FileSizeLimitExceededException 如果超出最大大小
     * @throws InvalidExtensionException
     */
    public static final void assertAllowed(MultipartFile file, String[] allowedExtension)
            throws FileSizeLimitExceededException, InvalidExtensionException
    {
        long size = file.getSize();
        if (DEFAULT_MAX_SIZE != -1 && size > DEFAULT_MAX_SIZE)
        {
            throw new FileSizeLimitExceededException(DEFAULT_MAX_SIZE / 1024 / 1024);
        }

        String fileName = file.getOriginalFilename();
        String extension = getExtension(file);
        if (allowedExtension != null && !isAllowedExtension(extension, allowedExtension))
        {
            if (allowedExtension == MimeTypeUtils.IMAGE_EXTENSION)
            {
                throw new InvalidExtensionException.InvalidImageExtensionException(allowedExtension, extension,
                        fileName);
            }
            else if (allowedExtension == MimeTypeUtils.FLASH_EXTENSION)
            {
                throw new InvalidExtensionException.InvalidFlashExtensionException(allowedExtension, extension,
                        fileName);
            }
            else if (allowedExtension == MimeTypeUtils.MEDIA_EXTENSION)
            {
                throw new InvalidExtensionException.InvalidMediaExtensionException(allowedExtension, extension,
                        fileName);
            }
            else if (allowedExtension == MimeTypeUtils.VIDEO_EXTENSION)
            {
                throw new InvalidExtensionException.InvalidVideoExtensionException(allowedExtension, extension,
                        fileName);
            }
            else
            {
                throw new InvalidExtensionException(allowedExtension, extension, fileName);
            }
        }
    }

    /**
     * 判断MIME类型是否是允许的MIME类型
     *
     * @param extension
     * @param allowedExtension
     * @return
     */
    public static final boolean isAllowedExtension(String extension, String[] allowedExtension)
    {
        for (String str : allowedExtension)
        {
            if (str.equalsIgnoreCase(extension))
            {
                return true;
            }
        }
        return false;
    }

    /**
     * 获取文件名的后缀
     * 
     * @param file 表单文件
     * @return 后缀名
     */
    public static final String getExtension(MultipartFile file)
    {
        String extension = FilenameUtils.getExtension(file.getOriginalFilename());
        if (StringUtils.isEmpty(extension))
        {
            extension = MimeTypeUtils.getExtension(file.getContentType());
        }
        return extension;
    }
}

3.前端页面

<body class="white-bg">
	<div class="row container">
		<div class="col-md-10">
			<div class="imageBox">
				<img id="avatar" th:src="(${#strings.isEmpty(user.avatar)}) ? @{/img/profile.jpg} : @{${user.avatar}}" th:onerror="'this.src=\'' + @{'/img/profile.jpg'} + '\''">
			div>
			<div class="action">
				<div class="new-contentarea tc">
					<a href="javascript:void(0)" class="upload-img"><label for="inputImage">上传图像label> a>
					<input type="file" name="avatar" id="inputImage" accept="image/*"/>
				div>
				<button type="button" class="btn-custom" data-method="zoom" data-option="0.1"><i class="fa fa-search-plus">i>button>
				<button type="button" class="btn-custom" data-method="zoom" data-option="-0.1"><i class="fa fa-search-minus">i>button>
				<button type="button" class="btn-custom" data-method="rotate" data-option="-45"><i class="fa fa-rotate-left">i>button>
				<button type="button" class="btn-custom" data-method="rotate" data-option="45"><i class="fa fa-rotate-right">i>button>
				<button type="button" class="btn-custom" data-method="scaleX" data-option="-1"><i class="fa fa-arrows-h">i>button>
				<button type="button" class="btn-custom" data-method="scaleY" data-option="-1"><i class="fa fa-arrows-v">i>button>
				<button type="button" class="btn-custom" data-method="reset"><i class="fa fa-refresh">i>button>
			div>
		div>
		<div class="col-md-2">
			<div class="cropped">
				<div class="preview-box">
					<div class="img-preview preview-xs">div>
				div>
				<div class="preview-box">
					<div class="img-preview preview-sm">div>
				div>
				<div class="preview-box">
					<div class="img-preview preview-md">div>
				div>
			div>
		div>
	div>
<script type="text/javascript">
var cropper;
var croppable = false;
$(window).load(function() {
	var image = document.getElementById('avatar');
	cropper = new Cropper(image, {
		aspectRatio: 1,
		viewMode: 1,
		autoCropArea: 0.9,
		preview: '.img-preview',
		ready: function () {
			croppable = true;
		}
	})

	$('#inputImage').on('change', function() {
		var reader = new FileReader();
		var file = $('#inputImage')[0].files[0];
		if (/^image\/\w+$/.test(file.type)) {
			reader.onload = function(e) {
				if(croppable){
					cropper.replace(e.target.result)
				}
			}
			reader.readAsDataURL(this.files[0]);
		} else {
			$.modal.alertWarning('请选择一个图片文件。');
		}
	});

	$('.btn-custom').on('click',function (e) {
		if (!croppable) {
			$.modal.alertWarning("裁剪框加载中,请稍后...");
			return;
		}
		var data = {
			method: $(this).data('method'),
			option: $(this).data('option') || undefined,
		};
		var result = cropper[data.method](data.option, data.secondOption);
		if(['scaleX','scaleY'].indexOf(data.method) !== -1){
			$(this).data('option', -data.option)
		}
	})
});

function submitHandler() {
    if (!croppable) {
        $.modal.alertWarning("裁剪框加载中,请稍后...");
        return
    }
    cropper.getCroppedCanvas().toBlob(function(img) {
        var formdata = new FormData();
        formdata.append("avatarfile", img);
        $.ajax({
            url: ctx + "system/user/profile/updateAvatar",
            data: formdata,
            type: "post",
            processData: false,
            contentType: false,
            success: function(result) {
                $.operate.saveSuccess(result);
            }
        })
    });
}

$(window).resize(function() {
    $('.imageBox').height($(window).height() - 80);
    $('.cropped').height($(window).height() - 40);
}).resize();

if (!HTMLCanvasElement.prototype.toBlob) {
    Object.defineProperty(HTMLCanvasElement.prototype, 'toBlob', {
        value: function(callback, type, quality) {
            var canvas = this;
            setTimeout(function() {
                var binStr = atob(canvas.toDataURL(type, quality).split(',')[1]);
                var len = binStr.length;
                var arr = new Uint8Array(len);
                for (var i = 0; i < len; i++) {
                    arr[i] = binStr.charCodeAt(i);
                }
                callback(new Blob([arr], {
                    type: type || 'image/png'
                }));
            });
        }
    });
}
script>
body>

4.控制层:

   @PostMapping("/updateAvatar")
    @ResponseBody
    public AjaxResult updateAvatar(@RequestParam("avatarfile") MultipartFile file)
    {
        SysUser currentUser = getSysUser();
        try
        {
            if (!file.isEmpty())
            {
                System.out.println(RuoYiConfig.getAvatarPath());
                String avatar = FileUploadUtils.upload(RuoYiConfig.getAvatarPath(), file);
                currentUser.setAvatar(avatar);
                if (userService.updateUserInfo(currentUser) > 0)
                {
                    setSysUser(userService.selectUserById(currentUser.getUserId()));
                    return success();
                }
            }
            return error();
        }
        catch (Exception e)
        {
            log.error("修改头像失败!", e);
            return error(e.getMessage());
        }
    }

效果
springboot项目修改个人头像_第1张图片
springboot项目修改个人头像_第2张图片

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