1. Package
/* Encapsulates the ajax function
* @param {string}opt.type http connection methods, including POST and GET
* @param {string}opt.url The url of the request
* @param {boolean}opt.async is it Asynchronous request, true is asynchronous, false is synchronous
* @param {object}opt.data The parameter sent, the format is the object type
* @param {function}opt.success ajax sends and receives the callback function that is successfully called
*/
function ajax(opt) {
opt = opt || {};
opt.method = opt.method.toUpperCase() || 'POST';
opt.url = opt.url || '';
opt.async = opt.async | | true;
opt.data = opt.data || null;
opt.success = opt.success || function () {};
var xmlHttp = null;
if (XMLHttpRequest) {
xmlHttp = new XMLHttpRequest();
}
else {
xmlHttp = new ActiveXObject('Microsoft.XMLHTTP');
}var params = [];
for (var key in opt.data){
params.push(key + '=' + opt.data[key]);
}
var postData = params.join('&');
if (opt.method.toUpperCase() === 'POST') {
xmlHttp.open(opt.method, opt.url, opt.async);
xmlHttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded;charset=utf-8');
xmlHttp.send(postData);
}
else if (opt.method.toUpperCase() === 'GET') {
xmlHttp.open(opt.method, opt.url + '?' + postData, opt.async);
xmlHttp.send(null);
}
xmlHttp.onreadystatechange = function () {
if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
opt.success(xmlHttp.responseText);
}
};
}
2. Use
ajax({
method: 'POST',
url: 'test.php',
data: {
name1: 'value1',
name2: 'value2'
},
success: function (response) {
console.log(response)；
}
});