//

src/main/java/com/hnucm/springboot/springboot1/Springboot1Application.java

@@ -0,0 +1,13 @@
+package com.hnucm.springboot.springboot1;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class Springboot1Application {
+
+    public static void main(String[] args) {
+        SpringApplication.run(Springboot1Application.class, args);
+    }
+
+}

src/main/java/com/hnucm/springboot/springboot1/controller/LoginController.java

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+package com.hnucm.springboot.springboot1.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.multipart.MultipartFile;
+
+import java.io.File;
+import java.io.IOException;
+import java.util.UUID;
+
+@Controller
+public class LoginController {
+    @RequestMapping("/login")
+    public String login(){
+        return "login.html";
+    }
+
+    @RequestMapping("/logincommit")
+    public String logincommit(String username,String password){
+        // todo -》 数据库中验证
+        if (username.equals("admin") && password.equals("123456")){
+            return "success.html";
+        }
+        return "fail.html";
+    }
+
+    @RequestMapping("/uploadcommit")
+    public String uploadcommit(MultipartFile file) throws IOException {
+        String filename = UUID.randomUUID().toString() +file.getOriginalFilename();
+        File file1 = new File("D:/data/");
+        file.transferTo(new File(file1,filename));
+        return "success.html";
+    }
+
+}

src/main/java/com/hnucm/springboot/springboot1/controller/NewsController.java

@@ -0,0 +1,15 @@
+package com.hnucm.springboot.springboot1.controller;
+
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.PathVariable;
+import org.springframework.web.bind.annotation.RequestMapping;
+
+@Controller
+public class NewsController {
+    @RequestMapping("/news/{newsid}")
+    public String index(@PathVariable String newsid, Model model){
+        model.addAttribute("newsid",newsid);
+        return "news.html";
+    }
+}

src/main/java/com/hnucm/springboot/springboot1/controller/PersonController.java

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+package com.hnucm.springboot.springboot1.controller;
+
+import com.hnucm.springboot.springboot1.model.Person;
+import com.hnucm.springboot.springboot1.model.StuCard;
+import com.hnucm.springboot.springboot1.service.PersonService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+//单表增删改查  多表   1对1  1对多 多对多  增删改  查（复杂）
+ //1对1  person  idcard(学生证) 外键
+
+
+@Controller
+public class PersonController {
+    @Autowired
+    private PersonService personService;
+
+    @RequestMapping("/personpage")
+    public String getPersonPage(Model model){
+        model.addAttribute("personlist",personService.getAllPerson());
+        return "personpage.html";
+    }
+
+    @RequestMapping("/addpersonpage")
+    public String addpersonpage(){
+        return "addperson.html";
+    }
+
+    @RequestMapping("/addpersoncommit")
+    public String addpersoncommit(String name,int age,String stuid,String classname){
+        Person person = new Person();
+        person.setName(name);
+        person.setAge(age);
+        StuCard stuCard = new StuCard();
+        stuCard.setClassname(classname);
+        stuCard.setStuid(stuid);
+        person.setStuCard(stuCard);
+
+        personService.addPerson(person);
+        return "redirect:/personpage";
+    }
+    @RequestMapping("/deleteperson")
+    public String deleteperson(int id,int stuid){
+        personService.deletePerson(id,stuid);
+        return "redirect:/personpage";
+    }
+
+    @RequestMapping("/updatepersonpage")
+    public String updatepersonpage(Person person,Model model){
+        model.addAttribute("person",person);
+        return "updateperson.html";
+    }
+
+    @RequestMapping("/updatepersoncommit")
+    public String updatepersoncommit(Person person){
+        personService.updatePerson(person);
+        return "redirect:/personpage";
+    }
+}

src/main/java/com/hnucm/springboot/springboot1/controller/TestController.java

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+package com.hnucm.springboot.springboot1.controller;
+
+import com.hnucm.springboot.springboot1.model.User;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.Model;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.ResponseBody;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Controller
+public class TestController {
+
+    //返回网页
+    @RequestMapping("/test")
+    public String index(Model model){
+        //todo  数据库查询得到
+        User user = new User();
+        user.setId(1);
+        user.setName("张三");
+        user.setAge(20);
+        List<User> userList = new ArrayList<>();
+        for (int i = 0 ;i < 10; i ++){
+            User user1 = new User();
+            user1.setId(i);
+            user1.setName("张三" + i);
+            user1.setAge(20);
+            userList.add(user1);
+        }
+        model.addAttribute("name","张三");
+        model.addAttribute("user",user);
+        model.addAttribute("userList",userList);
+        return "test.html";
+    }
+
+    // ResponseBody 返回JSON数据 User对象转成JSON字符串返回 app端+小程序
+    @ResponseBody
+    @RequestMapping("/user")
+    public User index1(){
+        User user = new User();
+        user.setId(1);
+        user.setName("张三");
+        user.setAge(20);
+        return user;
+    }
+}

src/main/java/com/hnucm/springboot/springboot1/service/PersonService.java

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+package com.hnucm.springboot.springboot1.service;
+
+import com.hnucm.springboot.springboot1.model.Person;
+
+import java.util.List;
+
+public interface PersonService {
+    public List<Person> getAllPerson();
+
+    public int addPerson(Person person);
+
+    public int deletePerson(int id,int stuid);
+    public int updatePerson(Person person);
+}

src/main/java/com/hnucm/springboot/springboot1/service/impl/PersonServiceImpl.java

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+package com.hnucm.springboot.springboot1.service.impl;
+
+import com.hnucm.springboot.springboot1.dao.PersonMapper;
+import com.hnucm.springboot.springboot1.dao.StuCardMapper;
+import com.hnucm.springboot.springboot1.model.Person;
+import com.hnucm.springboot.springboot1.service.PersonService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import java.util.List;
+
+@Service
+public class PersonServiceImpl implements PersonService {
+    @Autowired
+    private PersonMapper personMapper;
+
+    @Autowired
+    StuCardMapper stuCardMapper;
+
+    @Override
+    public List<Person> getAllPerson() {
+        return personMapper.getAllPersonStuCard();
+    }
+
+    @Transactional
+    @Override
+    public int addPerson(Person person) {
+        stuCardMapper.addStuCard(person.getStuCard());
+        return personMapper.addPerson(person);
+    }
+    // 事务  -》 增删改 多张表 同时操作
+    @Transactional
+    @Override
+    public int deletePerson(int id, int stuid) {
+        stuCardMapper.deleteStuCard(stuid);
+        return personMapper.deletePerson(id);
+    }
+
+    @Override
+    public int updatePerson(Person person) {
+        return personMapper.updatePerson(person);
+    }
+}