菁英数字科技（猩码）-猩码学苑-专注软件开发人才菁英教育

标题: 王涛20221130-Ajax02 [打印本页]

作者: 黑桃K 时间: 2022-11-30 23:30
标题: 王涛20221130-Ajax02
<script>
      // get
      function ajaxGet(url, params = '') {
         var xhr = new XMLHttpRequest();
         xhr.open('get', url + params);
         xhr.send();
         xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                  let res = JSON.parse(xhr.responseText);
            }
         }
      }

      // post
      function ajaxGet(url, query = '') {
         var xhr = new XMLHttpRequest();
         xhr.open('post', url);
         xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
         xhr.send(query);
         xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                  let res = JSON.parse(xhr.responseText);
            }
         }
      }

      // get  post
      function selAjax(method, url, search) {
         var xhr = new XMLHttpRequest();
         if (method == 'get') {
            xhr.open(method, url + search);
            xhr.send();
         } else if (method == 'post') {
            xhr.open(method, url);
            xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
            xhr.send(search);
         }
         xhr.onreadystatechange = function () {
            if (xhr.readyState == 4) {
                  let res = JSON.parse(xhr.responseText);
            }
         }
      }
</script>

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