提交JSON格式数据到服务端

gistfile1.php

/* 前端JS代码 */
function addWine() {
  console.log('addWine');
	$.ajax({
		type: 'POST',
		contentType: 'application/json',
		url: rootURL,
		dataType: "json",
		data: formToJSON(),
		success: function(data, textStatus, jqXHR){
			alert('Wine created successfully');
			$('#btnDelete').show();
			$('#wineId').val(data.id);
		},
		error: function(jqXHR, textStatus, errorThrown){
			alert('addWine error: ' + textStatus);
		}
	});
}

function updateWine() {
	console.log('updateWine');
	$.ajax({
		type: 'PUT',
		contentType: 'application/json',
		url: rootURL + '/' + $('#wineId').val(),
		dataType: "json",
		data: formToJSON(),
		success: function(data, textStatus, jqXHR){
			alert('Wine updated successfully');
		},
		error: function(jqXHR, textStatus, errorThrown){
			alert('updateWine error: ' + textStatus);
		}
	});
}

function formToJSON() {
  return JSON.stringify({
		"id": $('#wineId').val(), 
		"name": $('#name').val(), 
		"grapes": $('#grapes').val(),
		"country": $('#country').val(),
		"region": $('#region').val(),
		"year": $('#year').val(),
		"picture": currentWine.picture,
		"description": $('#description').val()
		});
}

/* 服务端代码 PHP */
<?php
require 'Slim/Slim.php';

$app = new Slim();

$app->get('/wines', 'getWines');
$app->get('/wines/:id', 'getWine');
$app->get('/wines/search/:query', 'findByName');
$app->post('/wines', 'addWine');
$app->put('/wines/:id', 'updateWine');
$app->delete('/wines/:id', 'deleteWine');

$app->run();

function addWine() {
  error_log('addWine\n', 3, '/var/tmp/php.log');
	$request = Slim::getInstance()->request();
	$wine = json_decode($request->getBody());
	$sql = "INSERT INTO wine (name, grapes, country, region, year, description) VALUES (:name, :grapes, :country, :region, :year, :description)";
	try {
		$db = getConnection();
		$stmt = $db->prepare($sql);  
		$stmt->bindParam("name", $wine->name);
		$stmt->bindParam("grapes", $wine->grapes);
		$stmt->bindParam("country", $wine->country);
		$stmt->bindParam("region", $wine->region);
		$stmt->bindParam("year", $wine->year);
		$stmt->bindParam("description", $wine->description);
		$stmt->execute();
		$wine->id = $db->lastInsertId();
		$db = null;
		echo json_encode($wine); 
	} catch(PDOException $e) {
		error_log($e->getMessage(), 3, '/var/tmp/php.log');
		echo '{"error":{"text":'. $e->getMessage() .'}}'; 
	}
}

function updateWine($id) {
	$request = Slim::getInstance()->request();
	$body = $request->getBody();
	$wine = json_decode($body);
	$sql = "UPDATE wine SET name=:name, grapes=:grapes, country=:country, region=:region, year=:year, description=:description WHERE id=:id";
	try {
		$db = getConnection();
		$stmt = $db->prepare($sql);  
		$stmt->bindParam("name", $wine->name);
		$stmt->bindParam("grapes", $wine->grapes);
		$stmt->bindParam("country", $wine->country);
		$stmt->bindParam("region", $wine->region);
		$stmt->bindParam("year", $wine->year);
		$stmt->bindParam("description", $wine->description);
		$stmt->bindParam("id", $id);
		$stmt->execute();
		$db = null;
		echo json_encode($wine); 
	} catch(PDOException $e) {
		echo '{"error":{"text":'. $e->getMessage() .'}}'; 
	}
}
?>