update:Connected to database

wj/src/main/java/com/gm/wj/controller/LoginController.java

@@ -7,7 +7,9 @@ import com.gm.wj.pojo.User;
 import com.gm.wj.pojo.vo.VueLoginInfoVo;
 import com.gm.wj.result.Result;
 import com.gm.wj.result.ResultFactory;
+import com.gm.wj.service.UserService;
 import org.apache.http.HttpResponse;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Controller;
 import org.springframework.validation.BindingResult;
 import org.springframework.web.bind.annotation.CrossOrigin;
@@ -15,6 +17,7 @@ import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.ResponseBody;
+import org.springframework.web.util.HtmlUtils;
 
 import java.util.Objects;
 
@@ -27,24 +30,39 @@ public class LoginController {
      * 给VueLoginInfoVo对象加入@Valid注解，并在参数中加入BindingResult来获取错误信息。
      * 在逻辑处理中我们判断BindingResult知否含有错误信息，如果有错误信息，则直接返回错误信息。
      */
+
+    @Autowired
+    UserService userService;
+
     @CrossOrigin
     @RequestMapping(value = "/api/login", method = RequestMethod.POST, produces = "application/json; charset=UTF-8")
     @ResponseBody
     public Result login(@Valid @RequestBody VueLoginInfoVo loginInfoVo, BindingResult bindingResult, HttpSession session) {
-        if (bindingResult.hasErrors()) {
-            String message = String.format("登陆失败，详细信息[%s]。", bindingResult.getFieldError().getDefaultMessage());
-            return ResultFactory.buildFailResult(message);
-        }
-        if (!Objects.equals("admin", loginInfoVo.getUsername()) || !Objects.equals("123", loginInfoVo.getPassword())) {
-            String message = String.format("登陆失败，详细信息[用户名、密码信息不正确]。");
+//        if (bindingResult.hasErrors()) {
+//            String message = String.format("登陆失败，详细信息[%s]。", bindingResult.getFieldError().getDefaultMessage());
+//            return ResultFactory.buildFailResult(message);
+//        }
+//        if (!Objects.equals("admin", loginInfoVo.getUsername()) || !Objects.equals("123", loginInfoVo.getPassword())) {
+//            String message = String.format("登陆失败，详细信息[用户名、密码信息不正确]。");
+//            return ResultFactory.buildFailResult(message);
+//        }
+//        User user = new User();
+//        user.setUsername(loginInfoVo.getUsername());
+//        user.setPassword(loginInfoVo.getPassword());
+//        session.setAttribute("user",user);
+//        return ResultFactory.buildSuccessResult("登陆成功。");
+//    }
+
+        String username = loginInfoVo.getUsername();
+        username = HtmlUtils.htmlEscape(username);
+
+        User user = userService.get(username, loginInfoVo.getPassword());
+        if (null == user) {
+            String message = "账号密码错误";
             return ResultFactory.buildFailResult(message);
+        } else {
+            session.setAttribute("user", user);
+            return ResultFactory.buildSuccessResult("登录成功");
         }
-        User user = new User();
-        user.setUsername(loginInfoVo.getUsername());
-        user.setPassword(loginInfoVo.getPassword());
-        session.setAttribute("user",user);
-        return ResultFactory.buildSuccessResult("登陆成功。");
     }
-
-
 }
\ No newline at end of file

wj/src/main/java/com/gm/wj/dao/UserDAO.java

@@ -4,5 +4,7 @@ import com.gm.wj.pojo.User;
 import org.springframework.data.jpa.repository.JpaRepository;
 
 public interface UserDAO extends JpaRepository<User,Integer> {
+    User findByUsername(String username);
 
+    User getByUsernameAndPassword(String username,String password);
 }

wj/src/main/java/com/gm/wj/pojo/User.java

@@ -5,7 +5,7 @@ import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import javax.persistence.*;
 
 @Entity
-@Table(name = "User")
+@Table(name = "user")
 @JsonIgnoreProperties({"handler","hibernateLazyInitializer"})
 
 public class User {

wj/src/main/java/com/gm/wj/service/UserService.java

+package com.gm.wj.service;
+
+import com.gm.wj.dao.UserDAO;
+import com.gm.wj.pojo.User;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Pageable;
+import org.springframework.data.domain.Sort;
+import org.springframework.stereotype.Service;
+@Service
+public class UserService {
+    @Autowired
+    UserDAO userDAO;
+
+    public boolean isExist(String username) {
+        User user = getByName(username);
+        return null!=user;
+    }
+
+    public User getByName(String username) {
+        return userDAO.findByUsername(username);
+    }
+
+    public User get(String username, String password){
+        return userDAO.getByUsernameAndPassword(username, password);
+    }
+
+    public void add(User user) {
+        userDAO.save(user);
+    }
+}