Jquery动态添加输入框的方法

<!-- 页头 --> <#include "../common/head.ftl"> <div id="onFailureDiv" class="alert alert-danger navbar-fixed-top" style="text-align:center; display:none"></div> <div class="container" style="min-height:100%; height:100%;margin-top:100px;"> <form id="addressForm" class="form-horizontal" method="post" action="/restaurant/${(user.userId)}/addAddress">   <div class="form-group dynamic-collection" id="course-goals-form-group">   <div class="col-md-2 control-label"><label>地址</label></div>   <div class="col-md-8 controls">    <ul id="ItemCourseList" class="list-group sortable-list" data-role="list" style="margin-bottom:10px;"></ul>    <div class="input-group">    <input id="courseInput" type="text" data-role="item-input" class="form-control">    <span class="input-group-btn">     <button id="addItemCourse" class="btn btn-default" type="button" data-role="item-add" >添加</button>    </span>    </div>   </div>   </div>  </form>  <!-- container --> </div> <script type="text/javascript" src="${app.basePath}/resources/js/jquery.form.js"></script> <script>  $.schoolFn = {  addCourseItem: function(obj){   $("#ItemCourseList").append("<li class='list-group-item clearfix'><span class='glyphicon glyphicon-resize-vertical sort-handle'></span>"+obj+"<input type='hidden' name='goals' value='"+obj+"'><button type='button' class='close delete-btn deleteItem' onclick='deleteCourseItem(this);' title='删除'>×</button></li>");  },  addItem: function(obj){   $("#itemList").append("<li class='list-group-item clearfix'><span class='glyphicon glyphicon-resize-vertical sort-handle'></span>"+obj+"<input type='hidden' name='audiences' value='"+obj+"'><button type='button' class='close delete-btn deleteItem' onclick='deleteItem(this);' title='删除'>×</button></li>");  },  }  $("#addItemCourse").click(function(){   var item=$('#courseInput').val();   if(item.trim()==""){   $('#courseInput').val("");   }else{   $.schoolFn.addCourseItem(item);   $('#courseInput').val("");   }  });  function deleteCourseItem(obj){   $(obj).parent().replaceWith("");  } </script> <script>  $(document).ready(function(){   $('#addressForm').ajaxForm(function(json) {    if(json.status == "success") {     $("#onFailureDiv").html("添加成功").slideDown().delay(3000).hide(1000);    }else {     $("#onFailureDiv").html(json.errorMsg).slideDown().delay(3000).hide(1000);    }   });  }); </script> <!-- 页脚 --> <#include "../common/footer.ftl"/>