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- function ajaxGet(option) {
- if (!option.url) {
- return alert('url 必传');
- }
- let xhr = new XMLHttpRequest();
- let str = '';
- if (option.query) {
- str = '?';
- for (let key in option.query) {
- str += `${encodeURIComponent(key)}=${encodeURIComponent(option.query[key])}&`;
- }
- str = str.slice(0, -1); // 去掉最后的 &
- }
- xhr.open('GET', option.url + str);
- xhr.send();
- xhr.onreadystatechange = () => {
- if (xhr.readyState === 4) {
- if (xhr.status === 200) {
- option.success && option.success(xhr.responseText);
- } else {
- option.error && option.error(xhr.responseText);
- }
- }
- };
- }
- // 使用示例
- ajaxGet({
- url: '2024demo.txt',
- query: {
- name: 'zhangsanfeng',
- age: 20
- },
- success: (data) => {
- console.log(data);
- },
- error: (err) => {
- console.error(err);
- }
- });
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