修改mimetype字段为type，修改获取文件后缀名方式，目前图片文件预览还有些问题

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FilePageReqVO.java

@@ -21,8 +21,8 @@ public class FilePageReqVO extends PageParam {
     @ApiModelProperty(value = "文件路径", example = "yudao", notes = "模糊匹配")
     private String path;
 
-    @ApiModelProperty(value = "文件扩展名", example = "jpg", notes = "模糊匹配")
+    @ApiModelProperty(value = "文件类型", example = "application/octet-stream", notes = "模糊匹配")
-    private String extName;
+    private String type;
 
     @DateTimeFormat(pattern = FORMAT_YEAR_MONTH_DAY_HOUR_MINUTE_SECOND)
     @ApiModelProperty(value = "开始创建时间")

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/controller/admin/file/vo/file/FileRespVO.java

@@ -22,11 +22,8 @@ public class FileRespVO {
     @ApiModelProperty(value = "文件 URL", required = true, example = "https://www.iocoder.cn/yudao.jpg")
     private String url;
 
-    @ApiModelProperty(value = "文件扩展名", example = "jpg")
-    private String extName;
-
     @ApiModelProperty(value = "文件MIME类型", example = "application/octet-stream")
-    private String mimeType;
+    private String type;
 
     @ApiModelProperty(value = "文件大小", example = "2048", required = true)
     private Integer size;

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/dal/dataobject/file/FileDO.java

@@ -45,16 +45,11 @@ public class FileDO extends BaseDO {
      * 访问地址
      */
     private String url;
-    /**
+
-     * 文件扩展名
-     * <p>
-     * 通过 {@link cn.hutool.core.io.FileTypeUtil#getType(InputStream)} 获取
-     */
-    private String extName;
     /**
      * 文件的MIME类型，默认为"application/octet-stream"
      */
-    private String mimeType;
+    private String type;
     /**
      * 文件大小
      */

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/dal/mysql/file/FileMapper.java

@@ -18,7 +18,7 @@ public interface FileMapper extends BaseMapperX<FileDO> {
     default PageResult<FileDO> selectPage(FilePageReqVO reqVO) {
         return selectPage(reqVO, new LambdaQueryWrapperX<FileDO>()
                 .likeIfPresent(FileDO::getPath, reqVO.getPath())
-                .likeIfPresent(FileDO::getExtName, reqVO.getExtName())
+                .likeIfPresent(FileDO::getType, reqVO.getType())
                 .betweenIfPresent(FileDO::getCreateTime, reqVO.getBeginCreateTime(), reqVO.getEndCreateTime())
                 .orderByDesc(FileDO::getId));
     }

yudao-module-infra/yudao-module-infra-biz/src/main/java/cn/iocoder/yudao/module/infra/service/file/FileServiceImpl.java

@@ -41,12 +41,12 @@ public class FileServiceImpl implements FileService {
     @Override
     @SneakyThrows
     public String createFile(String name, String path, String mimeType, byte[] content) {
-        //获取文件的真实扩展名
+        //获取文件的扩展名
-        String extName = FileTypeUtil.getType(new ByteArrayInputStream(content), name);
+        String extName = FileNameUtil.extName(name);
-        FileNameUtil.extName(name);
         if (StrUtil.isEmpty(path)) {
             //使用sha256计算文件都唯一路径，降低碰撞概率
-            path = DigestUtil.sha256Hex(content) + '.' + extName;
+            String sha256Hex = DigestUtil.sha256Hex(content);
+            path = StrUtil.isBlank(extName) ? sha256Hex : (sha256Hex + '.' + extName);
         }
         // 如果 name 为空，则使用 path 填充
         if (StrUtil.isEmpty(name)) {
@@ -64,8 +64,7 @@ public class FileServiceImpl implements FileService {
         file.setName(name);
         file.setPath(path);
         file.setUrl(url);
-        file.setExtName(extName);
+        file.setType(mimeType);
-        file.setMimeType(mimeType);
         file.setSize(content.length);
         fileMapper.insert(file);
         return url;

yudao-module-infra/yudao-module-infra-biz/src/test/java/cn/iocoder/yudao/module/infra/service/file/FileServiceTest.java

@@ -40,16 +40,11 @@ public class FileServiceTest extends BaseDbUnitTest {
         // mock 数据
         FileDO dbFile = randomPojo(FileDO.class, o -> { // 等会查询到
             o.setPath("yunai");
-            o.setExtName("jpg");
             o.setCreateTime(buildTime(2021, 1, 15));
         });
         fileMapper.insert(dbFile);
         // 测试 path 不匹配
         fileMapper.insert(ObjectUtils.cloneIgnoreId(dbFile, o -> o.setPath("tudou")));
-        // 测试 type 不匹配
-        fileMapper.insert(ObjectUtils.cloneIgnoreId(dbFile, o -> {
-            o.setExtName("png");
-        }));
         // 测试 createTime 不匹配
         fileMapper.insert(ObjectUtils.cloneIgnoreId(dbFile, o -> {
             o.setCreateTime(buildTime(2020, 1, 15));
@@ -90,7 +85,6 @@ public class FileServiceTest extends BaseDbUnitTest {
         assertEquals(10L, file.getConfigId());
         assertEquals(path, file.getPath());
         assertEquals(url, file.getUrl());
-        assertEquals("jpg", file.getExtName());
         assertEquals(content.length, file.getSize());
     }
 

yudao-ui-admin/src/views/infra/file/index.vue

@@ -30,11 +30,10 @@
       <el-table-column :show-overflow-tooltip="true" label="文件路径" align="center" min-width="300" prop="path" />
       <el-table-column :show-overflow-tooltip="true" label="文件 URL" align="center" min-width="400" prop="url" />
       <el-table-column label="文件大小" align="center" prop="size" width="120" :formatter="sizeFormat" />
-      <el-table-column label="文件类型" align="center" prop="mimeType" width="210" />
+      <el-table-column label="文件类型" align="center" prop="type" width="210" />
-      <el-table-column label="文件扩展名" align="center" prop="extName" width="80" />
 <!--      <el-table-column label="文件内容" align="center" prop="content">-->
 <!--        <template slot-scope="scope">-->
-<!--          <img v-if="scope.row.extName === 'jpg' || scope.row.extName === 'png' || scope.row.extName === 'gif'"-->
+<!--          <img v-if="scope.row.type&&scope.row.type.indexOf('image/') === 0"-->
 <!--               width="200px" :src="getFileUrl + scope.row.id">-->
 <!--          <i v-else>非图片，无法预览</i>-->
 <!--        </template>-->
@@ -101,8 +100,7 @@ export default {
       queryParams: {
         pageNo: 1,
         pageSize: 10,
-        path: null,
+        path: null
-        extName: null,
       },
       // 用户导入参数
       upload: {