图像上传在grails中

dependencies {
    compile 'org.grails.plugins:uploadr:2.0.1'
}

uploadr {
    storagePath = "/path/to/upload/dir"
    maxFileSize = 5 * 1024 * 1024 // 5MB
    allowedFileTypes = ["image/jpeg", "image/png", "image/gif"]
}

def uploadService

def upload() {
    def f = request.getFile('myFile')
    if (f.empty) {
        flash.message = 'File cannot be empty'
    } else {
        try {
            def file = uploadService.upload(f)
            flash.message = "File uploaded successfully: ${file}"
        } catch (Exception e) {
            flash.message = "Error uploading file: ${e.message}"
        }
    }
    redirect action: 'index'
}

<g:uploadForm action="upload">
   <input type="file" name="myFile" />
    <g:submitButton name="upload" value="Upload" />
</g:uploadForm>