增加获取论文正文链接接口

doc/db_table.md

@@ -12,6 +12,7 @@
 | ---- | -------- | -------- | ---- |
 | id | bigint | primary key; identity | 文件id |
 | file_path | varchar | not null | 文件路径 |
+| url_path | varchar | not null | 访问路径 |
 
 # 论文 sys_paper
 

src/main/java/com/bupt/note/Controller/FileController.java

@@ -54,6 +54,7 @@ public class FileController {
                 file.transferTo(txtFile);
                 com.bupt.note.Model.File f=new com.bupt.note.Model.File();
                 f.setFilePath(txtFile.getAbsolutePath());
+                f.setUrlPath("/txt/"+txtFile.getName());
                 fileRepository.save(f);
                 return ResponseDataUtil.buildSuccess(f.getId());
             } catch (IOException e) {
@@ -66,6 +67,16 @@ public class FileController {
         }
     }
 
+    @GetMapping("find/{id}")
+    public ResponseData get(@PathVariable Long id){
+        if(fileRepository.existsById(id)){
+            com.bupt.note.Model.File file= fileRepository.getOne(id);
+            return ResponseDataUtil.buildSuccess(file.getUrlPath());
+        }else{
+            return ResponseDataUtil.buildError();
+        }
+    }
+
     /**
      * 删除论文文本文件
      * @param id 文件id

src/main/java/com/bupt/note/Model/File.java

@@ -11,6 +11,7 @@ public class File {
 
     private Long Id;
     private String filePath;
+    private String urlPath;
 
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -31,4 +32,12 @@ public class File {
         this.filePath = filePath;
     }
 
+    @Column(nullable = false)
+    public String getUrlPath() {
+        return urlPath;
+    }
+
+    public void setUrlPath(String urlPath) {
+        this.urlPath = urlPath;
+    }
 }