ADD file via upload

BookEng.java

@@ -0,0 +1,65 @@
+package com.tbook.Controller;
+
+import com.tbook.entity.TBook;
+import com.tbook.entity.TUser;
+import com.tbook.mapper.TBookMapper;
+import com.tbook.service.TBookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.*;
+
+import javax.servlet.http.HttpServletRequest;
+import java.util.List;
+
+@Controller
+public class BookEng {
+
+    @Autowired
+    private TBookService tBookService;
+
+    @RequestMapping("/admin")
+    public String index(){
+        return "head";
+    }
+    @RequestMapping("/user")
+    public String userindex(){
+        return "userhead";
+    }
+    @RequestMapping("/book")
+    public String book(){
+        return "index";
+    }
+    @RequestMapping("/userbook")
+    public String userbook(){
+        return "userbook";
+    }
+    @GetMapping("/book/all")
+    @ResponseBody
+    public List<TBook> bookall(){
+        TBook book=new TBook();
+
+        return tBookService.select(book);
+    }
+
+    @PostMapping("/book/add")
+    @ResponseBody
+    public String bookadd(HttpServletRequest request, @RequestBody TBook tBook){
+        if(tBook.getBookid()!=null) {
+
+            tBookService.updateByPrimaryKeySelective(tBook);
+             return "修改成功";
+        }else{
+
+            tBookService.insertSelective(tBook);
+            return "添加成功";
+        }
+    }
+    @PostMapping("/book/del")
+    @ResponseBody
+    public String bookdel(HttpServletRequest request, @RequestBody TBook tBook){
+
+            tBookService.deleteByPrimaryKey(tBook.getBookid());
+            return "删除成功";
+
+    }
+}