如何处理对同一地址的两个请求？

Question

如何处理它们以便我可以使用这两个请求的数据？ 用户界面：

async function getSpecialties(){
  let res = await fetch ('http://server-npk-web-core/specialties');
  let specialties = await res.json();
  })
}
async function getSubjectsSpecial(){
  let res = await fetch ('http://server-npk-web-core/specialties');
  let subjectsSpecial = await res.json();
  })
}

BLL： index.php

if($method === 'GET'){
  if($type === 'subjects'){
    getSubjects($pdo);
  } elseif($type === 'specialties'){
    getSpecialties($pdo);
    getSubjectsSpecial($pdo);
  }

specialties.php

function getSpecialties($pdo){
  $specialties = 'SELECT * FROM `specialties`';
  $stmt = $pdo -> query($specialties);
  while ($special = $stmt->fetch()){
    $specialtiesList[] = $special;
  }
  echo json_encode($specialtiesList);
}
function getSubjectsSpecial($pdo){
  $subjectsSpecial = 'SELECT `subjects`.`title` FROM `subjects` WHERE `id_specialties` = 2';
  $stmt = $pdo -> query($subjectsSpecial);
  while ($subjectSpecial = $stmt->fetch()){
    $subjectsSpecialList[] = $subjectSpecial;
  }
  echo json_encode($subjectsSpecialList);
}

附：别拿棍子打我，我是自学的-_-

Answer 1

要使用相同的endpoint 处理两个或多个不同的请求，您需要提供服务器可以选择要采取的适当操作的方法。由于您的fetch 请求是使用GET 完成的，因此您可以提供一个查询字符串参数，然后在服务器端使用该参数来分叉程序逻辑。例如：

<?php

    //-------------------------------
    //server-npk-web-core/specialties
    //-------------------------------
    
    
    function getSpecialties($pdo){
      $specialties = 'SELECT * FROM `specialties`';
      $stmt = $pdo -> query($specialties);
      while ($special = $stmt->fetch()){
        $specialtiesList[] = $special;
      }
      echo json_encode($specialtiesList);
    }
    
    function getSubjectsSpecial($pdo){
      $subjectsSpecial = 'SELECT `subjects`.`title` FROM `subjects` WHERE `id_specialties` = 2';
      $stmt = $pdo -> query($subjectsSpecial);
      while ($subjectSpecial = $stmt->fetch()){
        $subjectsSpecialList[] = $subjectSpecial;
      }
      echo json_encode($subjectsSpecialList);
    }
    
    
    
    
    if( !empty( $_GET['action'] ) ){
    
        switch( $_GET['action'] ){
            case 'specialties':
                getSpecialties($pdo)
            break;
            case 'subjectsspecial':
                getSubjectsSpecial( $pdo );
            break;
            default:
                echo 'Error';
            break;
        }
        
    }
?>

修改后的fetch 请求带有新的查询字符串参数

<script>
    async function getSpecialties(){
      let res = await fetch ('http://server-npk-web-core/specialties?action=specialties');
      let specialties = await res.json();
      })
    };
    async function getSubjectsSpecial(){
      let res = await fetch ('http://server-npk-web-core/specialties?action=subjectsspecial');
      let subjectsSpecial = await res.json();
      })
    };
</script>