上传后台管理系统代码

novel-admin/src/main/java/com/java2nb/system/controller/LoginController.java

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+package com.java2nb.system.controller;
+
+import com.java2nb.common.annotation.Log;
+import com.java2nb.common.config.JnConfig;
+import com.java2nb.common.controller.BaseController;
+import com.java2nb.common.domain.FileDO;
+import com.java2nb.common.domain.Tree;
+import com.java2nb.common.service.FileService;
+import com.java2nb.common.utils.*;
+import com.java2nb.system.domain.MenuDO;
+import com.java2nb.system.service.MenuService;
+import org.apache.shiro.SecurityUtils;
+import org.apache.shiro.authc.AuthenticationException;
+import org.apache.shiro.authc.UsernamePasswordToken;
+import org.apache.shiro.subject.Subject;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.util.List;
+
+@Controller
+public class LoginController extends BaseController {
+    private final Logger logger = LoggerFactory.getLogger(this.getClass());
+
+    @Autowired
+    MenuService menuService;
+    @Autowired
+    FileService fileService;
+    @Autowired
+    JnConfig jnConfig;
+
+
+    @Log("请求访问主页")
+    @GetMapping({"","/","/index"})
+    String index(Model model) {
+        List<Tree<MenuDO>> menus = menuService.listMenuTree(getUserId());
+        model.addAttribute("menus", menus);
+        model.addAttribute("name", getUser().getName());
+        FileDO fileDO = fileService.get(getUser().getPicId());
+        if (fileDO != null && fileDO.getUrl() != null) {
+            if (fileService.isExist(fileDO.getUrl())) {
+                model.addAttribute("picUrl", fileDO.getUrl());
+            } else {
+                model.addAttribute("picUrl", "/img/photo_s.jpg");
+            }
+        } else {
+            model.addAttribute("picUrl", "/img/photo_s.jpg");
+        }
+        model.addAttribute("username", getUser().getUsername());
+        return "index";
+    }
+
+    @GetMapping("/login")
+    String login(Model model) {
+        model.addAttribute("username", jnConfig.getUsername());
+        model.addAttribute("password", jnConfig.getPassword());
+        return "login";
+    }
+
+    @Log("登录")
+    @PostMapping("/login")
+    @ResponseBody
+    R ajaxLogin(String username, String password,String verify,HttpServletRequest request) {
+
+        try {
+            //从session中获取随机数
+            String random = (String) request.getSession().getAttribute(RandomValidateCodeUtil.RANDOMCODEKEY);
+            if (StringUtils.isBlank(verify)) {
+                return R.error("请输入验证码");
+            }
+            if (random.equals(verify)) {
+            } else {
+                return R.error("请输入正确的验证码");
+            }
+        } catch (Exception e) {
+            logger.error("验证码校验失败", e);
+            return R.error("验证码校验失败");
+        }
+        password = MD5Utils.encrypt(username, password);
+        UsernamePasswordToken token = new UsernamePasswordToken(username, password);
+        Subject subject = SecurityUtils.getSubject();
+        try {
+            subject.login(token);
+            return R.ok();
+        } catch (AuthenticationException e) {
+            return R.error("用户或密码错误");
+        }
+    }
+
+    @GetMapping("/logout")
+    String logout() {
+        ShiroUtils.logout();
+        return "redirect:/login";
+    }
+
+    @GetMapping("/main")
+    String main() {
+        return "main";
+    }
+
+    /**
+     * 生成验证码
+     */
+    @GetMapping(value = "/getVerify")
+    public void getVerify(HttpServletRequest request, HttpServletResponse response) {
+        try {
+            response.setContentType("image/jpeg");//设置相应类型,告诉浏览器输出的内容为图片
+            response.setHeader("Pragma", "No-cache");//设置响应头信息，告诉浏览器不要缓存此内容
+            response.setHeader("Cache-Control", "no-cache");
+            response.setDateHeader("Expire", 0);
+            RandomValidateCodeUtil randomValidateCode = new RandomValidateCodeUtil();
+            randomValidateCode.getRandcode(request, response);//输出验证码图片方法
+        } catch (Exception e) {
+            logger.error("获取验证码失败>>>> ", e);
+        }
+    }
+
+}