Spring Boot在Controller或ControllerAdvice可使用ResponseEntity<T>
自訂回應(Reesponse)返回的HTTP狀態碼及Content-Type如下。
DemoController
package com.abc.demo.controller;
import com.abc.demo.model.Employee;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import java.util.Arrays;
import java.util.List;
@RestController
public class DemoController {
@GetMapping("/employees")
public ResponseEntity<List<Employee>> getEmployees() {
List<Employee> employeeList = Arrays.asList(
new Employee(1, "John", 33),
new Employee(2, "Mary", 28),
new Employee(3, "Jason", 45)
);
return ResponseEntity
.status(HttpStatus.OK) // HTTP Status
.contentType(MediaType.APPLICATION_JSON) // Content-Type(media type)
.body(employeeList);
}
}
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