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✨系列专栏：👉SpringBoot专栏
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🍁整合SpringMVC
- 1.先创建个SpringBoot项目，导入依赖
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.2.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
- 创建个启动类
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class,args);
}
}
- 创建实体类User
public class User {
private String username ;
private String password ;
private Integer age ;
private String sex ;
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public Integer getAge() {
return age;
}
public void setAge(Integer age) {
this.age = age;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
@Override
public String toString() {
return "User{" +
"username='" + username + '\'' +
", password='" + password + '\'' +
", age=" + age +
", sex='" + sex + '\'' +
'}';
}
}
- 编写Controller类
@Controller
@RequestMapping("/user")
public class UserController {
@RequestMapping("/findAll")
@ResponseBody
public List<User> findAll() {
//查询所有
List<User> users = new ArrayList<User>();
User user1 = new User();
user1.setUsername("xfx");
user1.setPassword("123456");
user1.setAge(20);
user1.setSex("男");
User user2 = new User();
user2.setUsername("mks");
user2.setPassword("234567");
user2.setAge(34);
user2.setSex("女");
User user3 = new User();
user3.setUsername("ls");
user3.setPassword("34567");
user3.setAge(34);
user3.setSex("女");
users.add(user1);
users.add(user2);
users.add(user3);
return users;
}
}
- 测试
🍁静态资源目录
- 在springboot中有一个叫做ResourceProperties的类，里面就定义了静态资源的默认查找路径：
- 默认的静态资源路径为：
• classpath:/META-INF/resources/
• classpath:/resources/
• classpath:/static/
• classpath:/public - 在项目中创建路径进行测试
- 在static目录下创建index.html文件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>static目录下的静态页面</title>
</head>
<body>
<h1>static目录下的静态页面</h1>
</body>
</html>
- 浏览器输入 : http://localhost:8080/index.html进行测试
- 在public目录下创建public.html文件
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>public目录下的静态页面</title>
</head>
<body>
<h1>public目录下的静态页面</h1>
</body>
</html>
- 浏览器输入 : http://localhost:8080/public.html进行测试
🍁自定义拦截器
- SpringMVC中配置拦截器的步骤 :
- 编写一个拦截器(实现HandlerInterceptor接口)
- 注册拦截器(mvc:interceptors)
- SpringBoot实现拦截器的具体步骤:
- 编写一个拦截器
@Component
public class MyInterceptor implements HandlerInterceptor {
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
System.out.println("preHandle方法执行....");
return false;
}
@Override
public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {
System.out.println("postHandle方法执行....");
}
@Override
public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
System.out.println("afterCompletion方法执行....");
}
}
- 通过WebMvcConfigurer注册拦截器
@Configuration
public class MVCConfig implements WebMvcConfigurer {
@Autowired
private MyInterceptor myInterceptor;
@Override
public void addInterceptors(InterceptorRegistry registry) {
registry.addInterceptor(myInterceptor)
.addPathPatterns("/user/findAll")
.addPathPatterns("/public.html")
.excludePathPatterns("/index.html");
}
}
- 测试拦截效果
转载：https://blog.csdn.net/qq_43514330/article/details/128278445
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