JavaScript ajax 封装
小于 1 分钟约 100 字
JavaScript ajax 封装
function ajax(setting) {
var ajax = new XMLHttpRequest();
// 默认 get
if (!setting.method) setting.method = 'get';
// 组合data查询数据
if (setting.data) {
setting.data = getSearch(setting.data);
} else {
setting.data = '';
}
if (setting.method.toLowerCase() == 'get') {
ajax.open('get', setting.url + '?' + setting.data, true);
ajax.send();
} else if (setting.method.toLowerCase() == 'post') {
ajax.open('post', setting.url, true);
ajax.setRequestHeader('Content-type', 'appliction/x-www-form-urlencoded');
ajax.send(setting.data);
}
ajax.onreadystatechange = function () {
if (ajax.readyState == 4) {
if (ajax.status == 200) {
setting.success(ajax.responseText);
} else {
console.log('Error:' + ajax.status);
}
}
};
}
// 拼接字符串
function getSearch(obj) {
var str = '';
for (var key in obj) {
str += key + '=' + obj[key] + '&';
}
return str.slice(0, str.length - 1);
}