如何执行AJAX将数据传递到数据表列中

如何解决如何执行AJAX将数据传递到数据表列中

我想在获取server.php上的所有数据后返回DataTable内部的数据

我在开发人员工具的“网络”标签中收到此错误 {“ current_field”:null,“ field_count”:null,“ lengths”:null,“ num_rows”:null,“ type”:null}

HTML表单 以防万一,然后在form标记下查看我的表格。

我想获取我的数据表中的所有数据

<form id="patientForm">
    <div class="form-group">                                
        <input type="text" class="form-control" id="username" placeholder="Enter username">                    
    </div>                 
    <div class="form-group">                                
        <input type="password" class="form-control" id="password" placeholder="Enter password">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="birthday" placeholder="Enter birthday">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="age" placeholder="Enter age">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="mobile-number" placeholder="Enter mobile number">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="full-address" placeholder="Enter full address">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="gender" placeholder="Enter gender">                    
    </div>
    <div class="form-group">                                
        <input type="text" class="form-control" id="nickname" placeholder="Enter nickname">                    
    </div>
    <div class="form-group">
        <input type="text" class="form-control" id="occupation" placeholder="Enter occupation">                    
    </div>
</form>

<!-- Table starts -->
<div class="container-fluid">
    <table class="table table-hover table-responsive" id="patientTable">
        <thead class="table-head">
            <tr>
                <th>Action</th>
                <th>ID</th>
                <th>Username</th>
                <th>Password</th>
                <th>Birthday</th>
                <th>Age</th>
                <th>Mobile #</th>
                <th>Address</th>
                <th>Gender</th>
                <th>Nickname</th>
                <th>Occupation</th>
            </tr>
        </thead>

        <tbody class="tbody">
        </tbody>
    </table>
</div>
<!-- Table ends -->

jQuery AJAX

$(document).ready(function() {
    var user_id,option;
    option = 4;      

    patientTable = $('#patientTable').DataTable({
        "ajax":{            
            "url": "server.php","method": 'POST',//we use the POST method = usamos el metodo POST
            "data":{
                option:option
            },//we send option 4 to make a SELECT = enviamos opcion 4 para que haga un SELECT
            "dataSrc": ""
        },"columns":[
            {"defaultContent": "<div class='text-center'><div class='btn-group'><button class='btn button btn-sm btnEdit'><i class='fas fa-edit'></i></button><button class='btn btn-danger btn-sm btnDelete'><i class='fas fa-trash-alt'></i></button></div></div>"},{"data": "id"},{"data": "username"},{"data": "password"},{"data": "birthday"},{"data": "age"},{"data": "mobile_number"},{"data": "address"},{"data": "gender"},{"data": "nickname"},{"data": "occupation"}
        ]
    });

});

这是我的server.php

$username = (isset($_POST['username'])) ? $_POST['username'] : '';
$password = (isset($_POST['password'])) ? $_POST['username'] : '';
$birthday = (isset($_POST['birthday'])) ? $_POST['username'] : '';
$age = (isset($_POST['age'])) ? $_POST['username'] : '';
$mobileNumber = (isset($_POST['mobileNumber'])) ? $_POST['username'] : '';
$fullAddress = (isset($_POST['fullAddress'])) ? $_POST['username'] : '';
$gender = (isset($_POST['gender'])) ? $_POST['username'] : '';
$nickname = (isset($_POST['nickname'])) ? $_POST['username'] : '';
$occupation = (isset($_POST['occupation'])) ? $_POST['username'] : '';
$option = (isset($_POST['option'])) ? $_POST['option'] : '';
$user_id = (isset($_POST['user_id'])) ? $_POST['user_id'] : '';

switch($option){
    case 1: //sample case 1
        $query = "SELECT * FROM `patient_table`";
        $result = $connection->query($query);
        $result->fetch_all(MYSQLI_ASSOC);
        break;
    case 2: //sample case 2
        $query = "SELECT * FROM `patient_table`";
        $result = $connection->query($query);
        $result->fetch_all(MYSQLI_ASSOC);
        break;
    case 3: //sample case 3
        $query = "SELECT * FROM `patient_table`";
        $result = $connection->query($query);
        $result->fetch_all(MYSQLI_ASSOC);
        break;
    case 4:
        $query = "SELECT * FROM patient_table";
        $result = $connection->query($query);
        $result->fetch_all(MYSQLI_ASSOC);
        break;
}

print(json_encode($result,JSON_UNESCAPED_UNICODE));//Send the final array format to AJAX = envio el array final el formato json a AJAX
$connection=null;

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