Cookie插件 案例2 <script> s(document). ready(function( if(s cooke userName ){ alert(填充 cookie'); s(. userName') val(S cookie ("userName")) s(. pwd) val(S cookie(pwd")) s( button). click(function var userName=s(. userName'). valo var pwd=s(. pwd). valo S cookie ("userName, userName, expires: 7) S cookie pwd,, pwd, expires: 7); alert(成功胜出 cookie,下次进网页自动填充); }) /script>Cookie插件  案例2  <script>  $(document).ready(function(){  if($.cookie("userName")){  alert('填充cookie');  $('.userName').val($.cookie("userName"));  $('.pwd').val($.cookie("pwd"));  }  $('button').click(function(){  var userName=$('.userName').val();  var pwd=$('.pwd').val();  $.cookie("userName",userName,{expires:7});  $.cookie('pwd',pwd,{expires:7});  alert('成功胜出cookie，下次进网页自动填充');  });  });  </script>