jquery的ajax教程

$.ajax({
  url: 'https://api.example.com/data',
  type: 'GET',
  dataType: 'json',
  success: function(data) {
    $('#result').html(data.message);
  },
  error: function(xhr, status, error) {
    $('#result').html('请求失败');
  }
});

$.ajax({
  url: 'https://api.example.com/submit',
  type: 'POST',
  data: { name: 'John', age: 30 },
  dataType: 'json',
  success: function(data) {
    $('#result').html(data.message);
  },
  error: function(xhr, status, error) {
    $('#result').html('请求失败');
  }
});