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t182.php

模拟接口的代码

   query("set names utf8");    //准备    $result = $pdo->prepare($sql);    //绑定变量，执行    $result->execute(array('id'=>$id));    //取数据    $user = $result->fetch(PDO::FETCH_ASSOC);    //空值，返回错误提示    if(empty($user))    {        $user = array("errorno"=>"SN001","errormsg"=>"没有找到数据！");    }    return $user;}//存储方法function store($user){    $pdo = new PDO('mysql:dbname=test;host=localhost','root','mysql123');    //插入语句，?为占位符    $sql = "insert into user(user_name,sex,age,description) values (?,?,?,?)";    $pdo->query("set names utf8");    //准备    $result = $pdo->prepare($sql);    //绑定，数组方式的变量    $result->execute([$user['user_name'],$user['sex'],$user['age'],$user['description']]);    //返回值大于1，表示保存成功    if($result->rowCount() > 0)    {        return array("success"=>"添加成功");    }    //保存失败    else    {        return array("errorno"=>"SN003","errormsg"=>"数据添加失败!");    }}//判断是GET方式if('GET' == $_SERVER['REQUEST_METHOD']){    //用户id    $id = $_GET['id']?? 0;    //有值，显示    if($id)    {        $user = show($id);    }    //无值，返回错误提示    else    {        $user = array("errorno"=>"SN002","errormsg"=>"参数ID错误！");    }    //返回json格式的数据    echo json_encode($user);}//判断是POST方式elseif('POST' == $_SERVER['REQUEST_METHOD']){    //POST数组不为空    if(!empty($_POST))    {        //保存数据，返回值解码json格式        echo json_encode(store($_POST));    }    //POST数组为空    else    {        echo json_encode(array("errorno"=>"SN004","errormsg"=>"数据提交失败！"));    }}

t183.php

调用接口

   ";//id=1时print_r(get('http://localhost:8081/t182.php?id=1'));echo "
";//保存，数组为空时print_r(post('http://localhost:8081/t182.php',array()));echo "
";//数组有值$user = ["user_name"=>"uu",'sex'=>'女','age'=>'19','description'=>"ok"];//print_r($user);print_r(post('http://localhost:8081/t182.php',$user));echo "
";

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