我将数据发送到服务器,如下所示:
$scope.saveCaption = function(user_id) {
var target = document.getElementById('toRender');
html2canvas(target, {
onrendered: function(canvas) {
$http({
url: "/production/save.php?user_id="+user_id,
method: "POST",
headers: {
'Content-type': 'application/x-www-form-urlencoded'
},
data: {
//image: canvas.toDataURL("image/png"), // commented out for testing only
news: 'test'
}
}).success(function(data, status, headers, config) {
console.log('success');
$scope.data = data;
}).error(function(data, status, headers, config) {
console.log('failed');
$scope.status = status;
});
}});
}
并尝试用PHP-save.php
:阅读
$data = $_POST['news'];
echo "data is $data"; die;
问题是$_POST['news']
总是空的?
这是发送的数据:
{"news":"test"}
注意,它是JSON,但我特别尝试更改内容类型:
'Content-type': 'application/x-www-form-urlencoded'
那么,与JSON相比,我如何发送普通数据呢?或者,我如何让php正确读取JSON,我尝试了$data = json_decode($_POST['news'])
,但它也给出了空白
您需要对数据中的参数进行形式编码:
$scope.saveCaption = function(user_id) {
var target = document.getElementById('toRender');
html2canvas(target, {
onrendered: function(canvas) {
$http({
url: "/production/save.php?user_id="+user_id,
method: "POST",
headers: {
'Content-type': 'application/x-www-form-urlencoded'
},
data: 'news=test', // form encoded
}).success(function(data, status, headers, config) {
console.log('success');
$scope.data = data;
}).error(function(data, status, headers, config) {
console.log('failed');
$scope.status = status;
});
}});
}