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package com.ruoyi.web.controller.common;
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import java.awt.image.BufferedImage;
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import java.io.IOException;
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import java.util.concurrent.TimeUnit;
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import javax.annotation.Resource;
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import javax.imageio.ImageIO;
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import javax.servlet.http.HttpServletResponse;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.util.FastByteArrayOutputStream;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.RestController;
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import com.google.code.kaptcha.Producer;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.CacheConstants;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.core.redis.RedisCache;
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import com.ruoyi.common.utils.sign.Base64;
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import com.ruoyi.common.utils.uuid.IdUtils;
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import com.ruoyi.system.service.ISysConfigService;
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/**
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* 验证码操作处理
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*
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* @author ruoyi
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*/
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@RestController
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public class CaptchaController
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{
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@Resource(name = "captchaProducer")
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private Producer captchaProducer;
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@Resource(name = "captchaProducerMath")
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private Producer captchaProducerMath;
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@Autowired
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private RedisCache redisCache;
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@Autowired
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private ISysConfigService configService;
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/**
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* 生成验证码
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*/
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@GetMapping("/captchaImage")
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public AjaxResult getCode(HttpServletResponse response) throws IOException
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{
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AjaxResult ajax = AjaxResult.success();
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boolean captchaEnabled = configService.selectCaptchaEnabled();
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ajax.put("captchaEnabled", captchaEnabled);
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if (!captchaEnabled)
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{
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return ajax;
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}
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// 保存验证码信息
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String uuid = IdUtils.simpleUUID();
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String verifyKey = CacheConstants.CAPTCHA_CODE_KEY + uuid;
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String capStr = null, code = null;
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BufferedImage image = null;
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// 生成验证码
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String captchaType = RuoYiConfig.getCaptchaType();
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if ("math".equals(captchaType))
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{
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String capText = captchaProducerMath.createText();
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capStr = capText.substring(0, capText.lastIndexOf("@"));
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code = capText.substring(capText.lastIndexOf("@") + 1);
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image = captchaProducerMath.createImage(capStr);
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}
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else if ("char".equals(captchaType))
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{
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capStr = code = captchaProducer.createText();
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image = captchaProducer.createImage(capStr);
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}
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redisCache.setCacheObject(verifyKey, code, Constants.CAPTCHA_EXPIRATION, TimeUnit.MINUTES);
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// 转换流信息写出
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FastByteArrayOutputStream os = new FastByteArrayOutputStream();
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try
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{
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ImageIO.write(image, "jpg", os);
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}
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catch (IOException e)
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{
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return AjaxResult.error(e.getMessage());
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}
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ajax.put("uuid", uuid);
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ajax.put("img", Base64.encode(os.toByteArray()));
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return ajax;
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}
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}
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@@ -0,0 +1,163 @@
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package com.ruoyi.web.controller.common;
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import java.util.ArrayList;
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import java.util.List;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.http.MediaType;
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import org.springframework.web.bind.annotation.GetMapping;
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import org.springframework.web.bind.annotation.PostMapping;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RestController;
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import org.springframework.web.multipart.MultipartFile;
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import com.ruoyi.common.config.RuoYiConfig;
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import com.ruoyi.common.constant.Constants;
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import com.ruoyi.common.core.domain.AjaxResult;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.file.FileUploadUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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import com.ruoyi.framework.config.ServerConfig;
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/**
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* 通用请求处理
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*
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* @author ruoyi
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*/
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@RestController
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@RequestMapping("/common")
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public class CommonController
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{
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private static final Logger log = LoggerFactory.getLogger(CommonController.class);
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@Autowired
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private ServerConfig serverConfig;
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private static final String FILE_DELIMETER = ",";
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/**
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* 通用下载请求
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*
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* @param fileName 文件名称
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* @param delete 是否删除
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*/
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@GetMapping("/download")
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public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
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{
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try
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{
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if (!FileUtils.checkAllowDownload(fileName))
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{
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throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
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}
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String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
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String filePath = RuoYiConfig.getDownloadPath() + fileName;
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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FileUtils.setAttachmentResponseHeader(response, realFileName);
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FileUtils.writeBytes(filePath, response.getOutputStream());
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if (delete)
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{
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FileUtils.deleteFile(filePath);
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}
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}
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catch (Exception e)
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{
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log.error("下载文件失败", e);
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}
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}
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/**
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* 通用上传请求（单个）
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*/
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@PostMapping("/upload")
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public AjaxResult uploadFile(MultipartFile file) throws Exception
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{
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try
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{
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// 上传文件路径
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String filePath = RuoYiConfig.getUploadPath();
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// 上传并返回新文件名称
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String fileName = FileUploadUtils.upload(filePath, file);
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String url = serverConfig.getUrl() + fileName;
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AjaxResult ajax = AjaxResult.success();
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ajax.put("url", url);
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ajax.put("fileName", fileName);
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ajax.put("newFileName", FileUtils.getName(fileName));
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ajax.put("originalFilename", file.getOriginalFilename());
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return ajax;
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}
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catch (Exception e)
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{
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return AjaxResult.error(e.getMessage());
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}
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}
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/**
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* 通用上传请求（多个）
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*/
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@PostMapping("/uploads")
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public AjaxResult uploadFiles(List<MultipartFile> files) throws Exception
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{
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try
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{
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// 上传文件路径
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String filePath = RuoYiConfig.getUploadPath();
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List<String> urls = new ArrayList<String>();
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List<String> fileNames = new ArrayList<String>();
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List<String> newFileNames = new ArrayList<String>();
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List<String> originalFilenames = new ArrayList<String>();
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for (MultipartFile file : files)
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{
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// 上传并返回新文件名称
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String fileName = FileUploadUtils.upload(filePath, file);
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String url = serverConfig.getUrl() + fileName;
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urls.add(url);
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fileNames.add(fileName);
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newFileNames.add(FileUtils.getName(fileName));
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originalFilenames.add(file.getOriginalFilename());
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}
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AjaxResult ajax = AjaxResult.success();
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ajax.put("urls", StringUtils.join(urls, FILE_DELIMETER));
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ajax.put("fileNames", StringUtils.join(fileNames, FILE_DELIMETER));
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ajax.put("newFileNames", StringUtils.join(newFileNames, FILE_DELIMETER));
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ajax.put("originalFilenames", StringUtils.join(originalFilenames, FILE_DELIMETER));
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return ajax;
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}
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catch (Exception e)
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{
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return AjaxResult.error(e.getMessage());
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}
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}
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/**
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* 本地资源通用下载
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*/
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@GetMapping("/download/resource")
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public void resourceDownload(String resource, HttpServletRequest request, HttpServletResponse response)
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throws Exception
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{
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try
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{
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if (!FileUtils.checkAllowDownload(resource))
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{
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throw new Exception(StringUtils.format("资源文件({})非法，不允许下载。 ", resource));
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}
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// 本地资源路径
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String localPath = RuoYiConfig.getProfile();
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// 数据库资源地址
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String downloadPath = localPath + StringUtils.substringAfter(resource, Constants.RESOURCE_PREFIX);
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// 下载名称
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String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
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response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE);
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FileUtils.setAttachmentResponseHeader(response, downloadName);
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FileUtils.writeBytes(downloadPath, response.getOutputStream());
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}
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catch (Exception e)
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{
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log.error("下载文件失败", e);
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}
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}
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}
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