package com.javaweb.web.controller.common;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import io.swagger.annotations.ApiOperation;
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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.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.ResponseBody;
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import org.springframework.web.multipart.MultipartFile;
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import com.javaweb.common.config.Global;
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import com.javaweb.common.config.ServerConfig;
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import com.javaweb.common.constant.Constants;
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import com.javaweb.common.core.domain.AjaxResult;
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import com.javaweb.common.utils.StringUtils;
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import com.javaweb.common.utils.file.FileUploadUtils;
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import com.javaweb.common.utils.file.FileUtils;
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/**
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* 通用请求处理
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*
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* @author javaweb
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*/
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@Controller
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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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/**
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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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{
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try
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{
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if (!FileUtils.isValidFilename(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 = Global.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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{
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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
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*/
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@PostMapping("/common/upload")
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@ResponseBody
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@ApiOperation("通用上传请求")
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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 = Global.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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}
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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("/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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{
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// 本地资源路径
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String localPath = Global.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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