我有一个带有按钮的表，我想根据激活的按钮发送一个值，以便在不刷新页面的情况下在同一文件中执行php查询，该怎么办?? ..帮助。
我正在尝试使用Ajax，但它对我不起作用。
在表中保存的按钮中，我在按钮的值中分配每一行的ID，该值我想通过Ajax发送给同一文件中的php代码片段，以进行查询并填写一种详细记录每条记录的表格。
<?php
session_start();
?>
<!DOCTYPE html>
<html>
<head>
<script src="./funciones.js"></script>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no" />
<link rel="stylesheet" href="css/style_table.css">
<script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
<script>function ver(e){
document.getElementById("ver").style.display = "block";
var id = e.value;
$.ajax({
url: <?= json_encode($_SERVER['PHP_SELF']) ?>,
data:{ver:id},
type: 'POST',
dataType: 'json',
}).done(function(data) {
});
}
function closeVer() {
document.getElementById("ver").style.display = "none";
}
function openForm() {
document.getElementById("myForm").style.display = "block";
}
function closeForm() {
document.getElementById("myForm").style.display = "none";
}
function objetoAjax(){
var xmlhttp = false;
try {
xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
} catch (e) {
try {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
} catch (E) {
xmlhttp = false; }
}
if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
xmlhttp = new XMLHttpRequest();
}
return xmlhttp;
}
function enviarDatos(e){
document.getElementById("ver").style.display = "block";
idn = document.e.value;
ajax = objetoAjax();
ajax.open("POST", <?= json_encode($_SERVER['PHP_SELF']) ?>, true);
ajax.onreadystatechange = function() {
if (ajax.readyState == 4){
}
}
ajax.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
ajax.send("&ver="+idn)
}
</script>
</head>
<body>
<h3 class="titulo"> Intervenciones </h3>
<form name="back" method="post" action="Home.html" class="regresarform">
<input class="btn__submit" type="submit" value="Regresar">
</form>
<table border="2">
<tr>
<th><b>id</b> </th>
<th><b>carpeta</b></th>
<th><b>numeros intervenidos</b></th>
<th><b>Nombre Juez</b></th>
<th><b>Numero de Resolucion</b></th>
<th><b>Objetivos</b></th>
</tr>
<?php
$conexion=mysqli_connect("192.168.0.13", "FGE", "MARJ901201", "mps");
$criterio = $_POST['buscarporinter'];
$variable_B = $_POST['dateinterv'];
if($criterio === "1"){
$FLAG_B = "carpeta";
}
elseif ($criterio==="2"){
$FLAG_B = "numeros";
}elseif ($criterio === "3") {
$FLAG_B = "juez";
}elseif ($criterio ==="4") {
$FLAG_B = "resolucion";
}elseif ($criterio ==="5") {
$FLAG_B = "fechainicio";
}elseif ($criterio ==="6") {
$FLAG_B = "fechatermino";
}elseif ($criterio ==="7") {
$FLAG_B = "duracion";
}elseif ($criterio ==="8") {
$FLAG_B = "informeinicial";
}elseif ($criterio ==="9") {
$FLAG_B = "informemes1";
}elseif ($criterio ==="10") {
$FLAG_B = "informemes2";
}elseif ($criterio ==="11") {
$FLAG_B = "informemes3";
}elseif ($criterio ==="12") {
$FLAG_B = "terminacion";
}elseif ($criterio ==="13") {
$FLAG_B = "conclusion_ant";
}elseif ($criterio ==="14") {
$FLAG_B = "objetivos";
}
$sql="SELECT *FROM intervenciones where $FLAG_B like '$variable_B%'";
$result = mysqli_query($conexion, $sql);
$A = array();
$count = 0;
while($mostrar1=mysqli_fetch_array($result)){
array_push($A, $mostrar1['idintervenciones']);
?>
<tr>
<td><?php echo $mostrar1['idintervenciones'] ?></td>
<td><?php echo $mostrar1['carpeta'] ?></td>
<td><?php echo $mostrar1['numeros'] ?></td>
<td><?php echo $mostrar1['juez'] ?></td>
<td><?php echo $mostrar1['resolucion'] ?></td>
<td><?php echo $mostrar1['objetivos'] ?></td>
<td><button value="<?php echo $mostrar1['idintervenciones']?>" class="edit" onclick="openForm()">EDITAR</button>
<button class="edit" onclick="enviarDatos(this)" id="<?php echo $mostrar1['idintervenciones']; ?>" value="<?php echo $mostrar1['idintervenciones']; ?>" >VER</button>
</tr>
<?php
$count++;
}
?>
</table>
<div class="form-popup" id="myForm">
<form class="form-container" action="" enctype="multipart/form-data" method="POST">
<h4>Agregar Avance</h4>
<input type="text" placeholder="Agregar Avance" name="avances" required>
<button type="submit" class="btn">GUARDAR</button>
<button type="button" class="btn cancel" onclick="closeForm()">CANCELAR</button>
</form>
</div>
<div class="contain" id="ver">
<?php
print("....".$_POST['ver']);
if (isset($_POST['ver'])) {
/* Agregamos los datos recibidos a la variable de sesión */
array_push($_SESSION['datos'], $_POST['ver']);
$id = $_POST['ver'];
print($id);
header('Content-type: application/json; charset=utf-8');
$conexion=mysqli_connect("192.168.0.13", "FGE", "MARJ901201", "mps");
$sql2="SELECT *FROM intervenciones where idintervenciones = $id";
$result2 = mysqli_query($conexion, $sql2);
$mostrar=mysqli_fetch_row($result2);
die(json_encode(true));
}
?>
<div class="wrapper" name="formulario-o">
<div class="contacts">
<h3>Usuario: ----</h3>
<ul>
<li>Inteligencia. UECS</li>
<li>Registro de intervenciones</li>
</ul>
<p>
<button onclick="closeVer()">CERRAR</button>
</p>
</div>
<div class="form">
<h3>Información de Intervención</h3>
<h6></h6>
<form class="formulario" action="" enctype="multipart/form-data" method="POST">
<p>
<label for="">Carpeta</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[1]?>">
</p>
<p>
<label for="">Numeros Intervenidos</label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[2]?>">
</p>
<p>
<label for="">Juez</label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[3]?>">
</p>
<p>
<label for="">Numero de Resolucion</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[4]?>">
</p>
<p>
<label for="">Fecha de inicio</label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[5]?>">
</p>
<p>
<label for="">Fecha de terminacion </label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[6]?>">
</p>
<p>
<label for="">Duracion de Intervencion</label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[7]?>">
</p>
<p>
<label for="">Informe Inicial</label>
<input type="text"readonly="readonly" value="<?php echo $mostrar[8]?>">
</p>
<p>
<label for="">Informe mes 1</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[9]?>">
</p>
<p>
<label for="">Informe mes 2</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[9]?>">
</p>
<p>
<label for="">Informe mes 3</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[10]?>">
</p>
<p>
<label for="">Terminacion</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[11]?>">
</p>
<p>
<label for="">Conclusion Anticipada</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[12]?>">
</p>
<p>
<label for="">Objetivos</label>
<input type="text" readonly="readonly" value="<?php echo $mostrar[13]?>">
</p>
<p>
<label for="">Avances</label>
<textarea name="" id="" cols="30" rows="7" readonly="readonly" value="<?php echo $mostrar[14]?>"></textarea>
</p>
</form>
</div>
</div>
</div>
</body>
</html>