package com.ruoyi.project.common;
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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.stereotype.Controller;
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import org.springframework.util.MultiValueMap;
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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.RequestParam;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.multipart.MultipartFile;
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import com.ruoyi.common.constant.Constants;
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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.RuoYiConfig;
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import com.ruoyi.framework.config.ServerConfig;
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import com.ruoyi.framework.web.domain.AjaxResult;
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import org.springframework.web.multipart.MultipartHttpServletRequest;
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import java.util.Map;
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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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@Controller
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public class CommonController {
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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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/**
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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("common/download")
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public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request) {
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try {
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if (!FileUtils.isValidFilename(fileName)) {
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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.setCharacterEncoding("utf-8");
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response.setContentType("multipart/form-data");
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response.setHeader("Content-Disposition",
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"attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName));
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FileUtils.writeBytes(filePath, response.getOutputStream());
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if (delete) {
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FileUtils.deleteFile(filePath);
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}
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} catch (Exception e) {
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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
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*/
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@PostMapping("/common/upload")
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@ResponseBody
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public AjaxResult upload(MultipartFile file) throws Exception {
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try {
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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("fileName", fileName);
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ajax.put("url", url);
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return ajax;
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} catch (Exception e) {
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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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* 通用上传文件请求
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* @param file
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* @return
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* @throws Exception
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*/
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@PostMapping("/common/uploadFile")
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@ResponseBody
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public AjaxResult uploadFile(MultipartFile file) throws Exception {
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try {
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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.fileUpload(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("originalFileName",file.getOriginalFilename());
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ajax.put("fileName", fileName);
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ajax.put("url", url);
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return ajax;
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} catch (Exception e) {
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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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* 自定义上传文件
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*
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* @param request
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* @param response
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* @return
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* @throws Exception
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*/
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@PostMapping("/common/defUpload")
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@ResponseBody
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public AjaxResult defUploadFile(HttpServletRequest request, HttpServletResponse response) throws Exception {
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// 转型为MultipartHttpRequest：
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MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest
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) request;
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// 获得文件：
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MultipartFile file = multipartRequest.getFile("file");
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//System.out.println("文件上传测试");
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//System.out.println(file);
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try {
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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("fileName", fileName);
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ajax.put("url", url);
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return ajax;
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} catch (Exception e) {
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return AjaxResult.error(e.getMessage());
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}
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}
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@PostMapping("/tr/upload")
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@ResponseBody
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public AjaxResult uploadImgForSpread(MultipartFile file) throws Exception {
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try {
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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("imageName", fileName);
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ajax.put("imageUrl", url);
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return ajax;
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} catch (Exception e) {
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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("/common/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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// 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.setCharacterEncoding("utf-8");
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response.setContentType("multipart/form-data");
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response.setHeader("Content-Disposition",
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"attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));
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FileUtils.writeBytes(downloadPath, response.getOutputStream());
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}
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}
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