帮人解决springboot+thymeleaf问题

fht000 发表于 2020-12-4 09:02

本帖最后由 fht000 于 2020-12-4 09:14 编辑

本帖主要用来回复这篇帖子的问题https://www.52pojie.cn/thread-1319246-1-1.html
@zxcvbnm12 希望对你有所帮助本来想在他本人的帖子上回复,但是无法在评论区回复中上传本地图片所以开了这个帖子

这是DepartmentDao :

@Component
public class DepartmentDao {

//模拟数据库中的数据
private static Map<Integer, Department> departments = null;

static {
   departments = new HashMap<Integer, Department>();//创建一个部门表
   departments.put(101, new Department(101, "部门表1"));
   departments.put(101, new Department(101, "部门表2"));
   departments.put(101, new Department(101, "部门表3"));
   departments.put(101, new Department(101, "部门表4"));
   departments.put(101, new Department(101, "部门表5"));
}

//获得所有部门信息
public Collection<Department> getDepartments() {
   return departments.values();
}

//通过id得到部门
public Department getDepartment(Integer id){
   return departments.get(id);
}

@AllArgsConstructor
@Data
public static class Department{
   private int id;
   private String departmentName;
}
}

这是EmployeeDao:

@Component
public class EmployeeDao {

//模拟数据库中的数据
private static Map<Integer,Employee> employees;

@Autowired
private DepartmentDao departmentDao;
//员工有所属的部门
static {
   employees = new HashMap<Integer, Employee>();//创建一个员工表
   employees.put(101,new Employee(101,"AA1","123@1123.com",1,new DepartmentDao.Department(101,"dwqdx")));
   employees.put(102,new Employee(102,"AA2","123@1123.com",1,new DepartmentDao.Department(102,"dwqdx")));
   employees.put(103,new Employee(103,"AA3","123@1123.com",1,new DepartmentDao.Department(103,"dwqdx")));
   employees.put(104,new Employee(104,"AA4","123@1123.com",1,new DepartmentDao.Department(104,"dwqdx")));
   employees.put(105,new Employee(105,"AA5","123@1123.com",1,new DepartmentDao.Department(105,"dwqdx")));
}

//主键自增！
private static Integer initId=1006;
//增加一个员工
public void save(Employee employee){
   if(employee.getId() == 0){
         employee.setId(initId++);
   }
   employee.setDepartment(departmentDao.getDepartment(employee.getDepartment().getId()));
   employees.put(employee.getId(),employee);
}
//查询全部员工信息
public Collection<Employee> getAll(){
   return employees.values();
}
//通过id查询员工
public Employee getEmployeeById(Integer id)
{
   return employees.get(id);
}
//删除员工通过id
public void delete(Integer id){
   employees.remove(id);
}

@AllArgsConstructor
@Data
public static class Employee{
   private int id;
   private String lastName;
   private String email;
   private int gender;
   private DepartmentDao.Department department;
   private Date birth;

   public Employee(int id, String lastName, String email, int gender, DepartmentDao.Department department) {
         this.id = id;
         this.lastName = lastName;
         this.email = email;
         this.gender = gender;
         this.department = department;
   }

}
}

这是EmployeeController:

@Controller
public class EmployeeController {

@Autowired
EmployeeDao employeeDao;

@RequestMapping("/emps")
public String list(Model model) {
   Collection<EmployeeDao.Employee> employees = employeeDao.getAll();
   model.addAttribute("emps",employees);
   return "table";
}
}

这是html:

<!DOCTYPE html>

<html lang="en" xmlns:th="http://thymeleaf.org">
<table class="table table-striped table-sm">
<thead>
<tr>
   <th>id</th>
   <th>lastname</th>
   <th>email</th>
   <th>gender</th>
   <th>department</th>
   <th>birth</th>
</tr>
</thead>
<tbody>
<tr th:each="emp:${emps}">
   <td th:text="${emp.id}"></td>

   <td>nihao</td>
   <td th:text="${emp.email}"></td>
   <td th:text="${emp.gender}"></td>
   <td th:text="${emp.department.departmentName}">11</td>
   <td th:text="${emp.lastName}"></td>
   <td >
         <button class="btn btn-sm btn-primary">编辑</button>
         <button class="btn btn-sm btn-danger">编辑</button>
   </td>
</tr>
</tbody>
</table>
</html>

这是properties:

server.port=8899

# Spring配置
spring.thymeleaf.mode=HTML
spring.thymeleaf.prefix=classpath:/templates/
spring.thymeleaf.suffix=.html
spring.thymeleaf.cache=false
spring.thymeleaf.encoding=UTF-8

这是pom:

<dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-web</artifactId>
   </dependency>

   <dependency>
         <groupId>org.springframework.boot</groupId>
         <artifactId>spring-boot-starter-thymeleaf</artifactId>
   </dependency>

运行后的结果:
https://attach.52pojie.cn//forum/202012/04/085921cennqn6e2eejzzpg.png?l

重建个项目,复制粘贴总行了吧

fht000 发表于 2020-12-4 10:27

怎么还没过审核啊

zxcvbnm12 发表于 2020-12-4 18:11

fht000 发表于 2020-12-4 10:27
怎么还没过审核啊

大佬我看到了:lol

zxcvbnm12 发表于 2020-12-4 18:12

fht000 发表于 2020-12-4 10:27
怎么还没过审核啊

我先给你悬赏，一会吃完饭试一下嘿嘿，再次感谢你

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帮人解决springboot+thymeleaf问题