Ajax

1.jquery-1.7.2.js版本ajax用法
<script type="text/javascript">
   jQuery(function () {
      jQuery('#btn').click(function (){
          var t = jQuery('#frm').serialize();
          console.log(t);
          jQuery.post("updatedaily.do",t,function (data){
              var t = eval('(' + data + ')');
                   console.log(t.msg);
                   alert(t.msg);
                   window.location.href="findAllDaily.do";
         })
      })
       })
</script>
2.jquery-1.8.3.js版本ajax用法

<script type="text/javascript">
   $(function () {
      $('#btn').click(function (){
          var t = $('#frm').serialize();
          console.log(t);
          $.post("updatedaily.do",t,function (data){
              var t = eval('(' + data + ')');
                   console.log(t.msg);
                   alert(t.msg);
                   window.location.href="findAllDaily.do";
         })
      })
       })
</script>