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@Controller
@RequestMapping("/basic")
public class BasicController {
@GetMapping("/variable")
public String varible(Model model) {
User userA = new User("userA", 10);
User userB = new User("userB", 10);
List<User> list = new ArrayList<>();
list.add(userA);
list.add(userB);
Map<String, User> map = new HashMap<>();
map.put("userA", userA);
map.put("userB", userB);
model.addAttribute("user", userA);
model.addAttribute("users", list);
model.addAttribute("userMap", map);
return "basic/variable";
}
@Data
static class User{
private String username;
private int age;
public User(String username, int age) {
this.username = username;
this.age = age;
}
}
}HTML
<!DOCTYPE html>
<html xmlns:th="http://www.thymeleaf.org">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<h1>SpringEL 표현식</h1>
<ul>Object
<li>${user.username} = <span th:text="${user.username}"></span></li>
<li>${user['username']} = <span th:text="${user['username']}"></span></li>
<li>${user.getUsername()} = <span th:text="${user.getUsername()}"></span></
li>
</ul>
<ul>List
<li>${users[0].username} = <span th:text="${users[0].username}"></span></li>
<li>${users[0]['username']} = <span th:text="${users[0]['username']}"></span></li>
<li>${users[0].getUsername()} = <span th:text="${users[0].getUsername()}"></span></li>
</ul>
<ul>Map
<li>${userMap['userA'].username} = <span th:text="${userMap['userA'].username}"></span></li>
<li>${userMap['userA']['username']} = <span th:text="${userMap['userA']['username']}"></span></li>
<li>${userMap['userA'].getUsername()} = <span th:text="${userMap['userA'].getUsername()}"></span></li>
</ul>
<h1>지역변수 - (th:with)</h1>
<!-- 선언한 태그 안에서만 사용 가능 -->
<div th:with="first=${users[0]}">
<p>처음 사람의 이름은 <span th:text="${first.username}"></span></p>
</div>
</body>
</html>
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