Javascript jsCall返回值到jquery ajax post请求外部
我想从ajax函数中获取jquery ajax post请求值。我的代码是这样的,它返回Javascript jsCall返回值到jquery ajax post请求外部,javascript,jquery,ajax,jquery-ajaxq,Javascript,Jquery,Ajax,Jquery Ajaxq,我想从ajax函数中获取jquery ajax post请求值。我的代码是这样的,它返回未定义的作为控制台输出。你应该怎样修理它 function submit() { var outputFromAjax = submitViaPost('administrator/validationForInputValuesOfAddRole'); console.log(outputFromAjax); } function submitViaPost(url) { va
未定义的
作为控制台输出。你应该怎样修理它
function submit() {
var outputFromAjax = submitViaPost('administrator/validationForInputValuesOfAddRole');
console.log(outputFromAjax);
}
function submitViaPost(url) {
var formData = $('form').serializeArray();
var output;
$.post(urlForPhp + '/' + url, formData, function (outputData) {
output = outputData;
});
return output;
}
已编辑 我将代码更改为sync类型的ajax post请求并检查输出。但它没有改变。这是我的密码
function submit() {
var outputFromAjax = submitViaPost('administrator/validationForInputValuesOfAddRole');
console.log(outputFromAjax);
}
function submitViaPost(url) {
var formData = $('form').serializeArray();
var output;
$.ajax({
url: urlForPhp + '/' + url,
data: formData,
dataType: 'JSON',
async: false,
method: 'POST',
success: function (e) {
output = e;
}
});
return output;
}
不返回,将其设置为回调
$。post
是异步的
function submit() {
submitViaPost('administrator/validationForInputValuesOfAddRole', function(out){ //Result comes here
var outputFromAjax = out;
console.log(outputFromAjax);
});
}
function submitViaPost(url , callback) { //Added callback
var formData = $('form').serializeArray();
$.ajax({
url: urlForPhp + '/' + url,
data: formData,
dataType: 'JSON',
async: false,
method: 'POST',
success: function (e) {
callback(e);
}
});
}
你可以用
submitViaPost函数立即返回,返回值始终未定义。您必须在post回调使用post的done回调完成后保存该值。那么我是如何对其进行编码的呢?返回值应该在$.post函数中?
function submit() {
submitViaPost('administrator/validationForInputValuesOfAddRole').then(function (outputFromAjax) {
console.log(outputFromAjax);
});
}
function submitViaPost(url) {
var dfd = jQuery.Deferred();
var formData = $('form').serializeArray();
$.post(urlForPhp + '/' + url, formData, function (outputData) {
dfd.resolve(outputData);;
});
return dfd;
}