CommonController.java
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package com.ruoyi.web.controller.common;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;
import com.ruoyi.common.config.RuoYiConfig;
import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.common.utils.file.FileUploadUtils;
import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.framework.config.ServerConfig;
/**
* 通用请求处理
*
* @author ruoyi
*/
@RestController
public class CommonController
{
private static final Logger log = LoggerFactory.getLogger(CommonController.class);
@Autowired
private ServerConfig serverConfig;
/**
* 通用下载请求
*
* @param fileName 文件名称
* @param delete 是否删除
*/
@GetMapping("common/download")
public void fileDownload(String fileName, Boolean delete, HttpServletResponse response, HttpServletRequest request)
{
try
{
if (!FileUtils.isValidFilename(fileName))
{
throw new Exception(StringUtils.format("文件名称({})非法，不允许下载。 ", fileName));
}
String realFileName = System.currentTimeMillis() + fileName.substring(fileName.indexOf("_") + 1);
String filePath = RuoYiConfig.getDownloadPath() + fileName;
response.setCharacterEncoding("utf-8");
response.setContentType("multipart/form-data");
response.setHeader("Content-Disposition",
"attachment;fileName=" + FileUtils.setFileDownloadHeader(request, realFileName));
FileUtils.writeBytes(filePath, response.getOutputStream());
if (delete)
{
FileUtils.deleteFile(filePath);
}
}
catch (Exception e)
{
log.error("下载文件失败", e);
}
}
/**
* 通用上传请求
*/
@PostMapping("/common/upload")
public AjaxResult uploadFile(MultipartFile file) throws Exception
{
try
{
// 上传文件路径
String filePath = RuoYiConfig.getUploadPath();
// 上传并返回新文件名称
String fileName = FileUploadUtils.upload(filePath, file);
String url = serverConfig.getUrl() + fileName;
AjaxResult ajax = AjaxResult.success();
ajax.put("fileName", fileName);
ajax.put("url", url);
return ajax;
}
catch (Exception e)
{
return AjaxResult.error(e.getMessage());
}
}
/**
* 本地资源通用下载
*/
@GetMapping("/common/download/resource")
public void resourceDownload(String name, HttpServletRequest request, HttpServletResponse response) throws Exception
{
// 本地资源路径
String localPath = RuoYiConfig.getProfile();
// 数据库资源地址
String downloadPath = localPath + StringUtils.substringAfter(name, Constants.RESOURCE_PREFIX);
// 下载名称
String downloadName = StringUtils.substringAfterLast(downloadPath, "/");
response.setCharacterEncoding("utf-8");
response.setContentType("multipart/form-data");
response.setHeader("Content-Disposition",
"attachment;fileName=" + FileUtils.setFileDownloadHeader(request, downloadName));
FileUtils.writeBytes(downloadPath, response.getOutputStream());
}
}