$(function(){
 $('#send').click(function(){
   $.ajax({
    type: "GET",
    url: GLOBAL_PATH + "/Enterprise/savecompanyphoto",
    data: {username:$("#username").val(),  content:$("#content").val()},
    dataType: "json",
    success: function(data){
    $('#resText').empty(); //清空resText里面的所有内容
    var html = ''; 
    $.each(data, function(commentIndex, comment){
     html += '<div class="comment"><h6>' + comment['username']
        + ':</h6><p class="para"' + comment['content']
        + '</p></div>';
    });
    $('#resText').html(html);
   }
   });
 });
});

<script src="jquery.form.js" type="text/javascript"></script>
<script src="dialog.js?lib=false" type="text/javascript"></script>src="jquery.min.js" type="text/javascript">

function uploader_img(){
 var optionsSave={
   type: "POST",
   url: GLOBAL_PATH + "/Enterprise/savecompanyphoto",
   data:$('#addImg').serialize(),
   success: function (data) {
    if (data.code == 0) {
     AlertMini('alt1', "上传图片成功!", 'success.gif', 2);
     window.location.reload();
    } else {
     AlertMini('alt1', "上传图片失败!", 'error.gif', 2);
    }
   },
   error: function (data) {
    AlertMini('alt1', "上传图片失败!", 'error.gif', 2);
   }
  }
  $('#addImg').ajaxSubmit(optionsSave);
  }