From dd9340090b9d960e486201e92d6a7a991d7cdec6 Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期五, 23 七月 2021 19:14:37 +0800
Subject: [PATCH] add OSS模块 增加预览图片开关
---
ruoyi-oss/src/main/java/com/ruoyi/system/controller/SysOssController.java | 25 +++++++++++++++++++++++++
1 files changed, 25 insertions(+), 0 deletions(-)
diff --git a/ruoyi-oss/src/main/java/com/ruoyi/system/controller/SysOssController.java b/ruoyi-oss/src/main/java/com/ruoyi/system/controller/SysOssController.java
index 9d1e917..3791030 100644
--- a/ruoyi-oss/src/main/java/com/ruoyi/system/controller/SysOssController.java
+++ b/ruoyi-oss/src/main/java/com/ruoyi/system/controller/SysOssController.java
@@ -1,6 +1,8 @@
package com.ruoyi.system.controller;
+import cn.hutool.core.convert.Convert;
+import cn.hutool.http.HttpUtil;
import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.annotation.RepeatSubmit;
import com.ruoyi.common.core.controller.BaseController;
@@ -8,6 +10,7 @@
import com.ruoyi.common.core.page.TableDataInfo;
import com.ruoyi.common.enums.BusinessType;
import com.ruoyi.common.exception.CustomException;
+import com.ruoyi.common.utils.file.FileUtils;
import com.ruoyi.system.bo.SysOssQueryBo;
import com.ruoyi.system.domain.SysOss;
import com.ruoyi.system.service.ISysOssService;
@@ -18,12 +21,17 @@
import io.swagger.annotations.ApiOperation;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.MediaType;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
+import javax.servlet.http.HttpServletResponse;
import javax.validation.constraints.NotEmpty;
+import java.io.IOException;
+import java.net.URLEncoder;
+import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
@@ -74,6 +82,23 @@
return AjaxResult.success(map);
}
+ @ApiOperation("涓嬭浇OSS浜戝瓨鍌�")
+ @PreAuthorize("@ss.hasPermi('system:oss:download')")
+ @GetMapping("/download/{ossId}")
+ public void download(@PathVariable Long ossId, HttpServletResponse response) throws IOException {
+ SysOss sysOss = iSysOssService.getById(ossId);
+ if (sysOss == null) {
+ throw new CustomException("鏂囦欢鏁版嵁涓嶅瓨鍦�!");
+ }
+ response.reset();
+ response.addHeader("Access-Control-Allow-Origin", "*");
+ response.addHeader("Access-Control-Expose-Headers", "Content-Disposition");
+ FileUtils.setAttachmentResponseHeader(response, URLEncoder.encode(sysOss.getOriginalName(), StandardCharsets.UTF_8));
+ response.setContentType(MediaType.APPLICATION_OCTET_STREAM_VALUE + "; charset=UTF-8");
+ long data = HttpUtil.download(sysOss.getUrl(), response.getOutputStream(), false);
+ response.setContentLength(Convert.toInt(data));
+ }
+
/**
* 鍒犻櫎OSS浜戝瓨鍌�
*/
--
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