JavaScript AJAX表单自动提交

Posted 2021-05-20

function as(){
	var input = document.getElementById('form').elements
	var param = 'savetype=auto';
	for(var i=0; i!=input.length; i++){
		if(input[i].type != 'submit'){
			param = param+'&'+input[i].name+'='+input[i].value
		}
	}
	var ass=new XMLHttpRequest();
	ass.open('POST','save.php',true);
	ass.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
	ass.setRequestHeader("Content-length", param.length);
	ass.setRequestHeader("Connection", "close");
	ass.send(param);
	ass.onreadystatechange = function() {
		if(ass.readyState == 4 && ass.status == 200) {
			alert('your response code goes here');
		}
	}
}