Detailed explanation of ajax+php control function calling steps
This time I will bring you a detailed explanation of the steps for calling the ajax php control function. What are the precautions for calling the ajax php control function? The following is a practical case, let's take a look.
It is divided into 3 parts to complete the ajax calling logic of php. The following is the general structure.The first part: ajax request: mainly the action parameter, LoginController is the class name of php, login It is the function name in the LoginController class$('#submit').on('click', function (e) {
e.stopPropagation();
$.ajax({
url: "../../controllers/Controller.php",
data: {
action: "LoginController/login",
username: username,
password: password
},
dataType: "text",
type: 'POST',
timeout: 10000,
error: function () {
alert("服务器超时");
},
success: function (data) {
alert(data);
}
});
});<?php
if (!empty($_REQUEST['action'])) {
try {
$action = explode('/', $_REQUEST['action']);
$class_name = $action[0];
$method_name = $action[1];
require $class_name . '.php';
$class = new ReflectionClass($class_name);
if (class_exists($class_name)) {
if ($class->hasMethod($method_name)) {
$func = $class->getmethod($method_name);
$instance = $class->newInstance();
$func->invokeArgs($instance, array($_REQUEST));
$result = $instance->getResult();
echo $result;
}
}
} catch (Exception $exc) {
echo $exc->getTraceAsString();
}
}
?><?php
class LoginController {
private $result;
function LoginController() {
//初始化数据库连接等参数
}
function login($args) {
//具体的登录逻辑
}
function getResult() {
return $this->result;
}
}
?>JS implements ajax call background definition (with code)
Detailed explanation of the steps for ajax to implement waterfall flow layout (With code)
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