<link rel="stylesheet" href="../plugins/kindeditor/themes/default/default.css" />
<script charset="utf-8" src="../plugins/kindeditor/kindeditor-min.js"></script>
<script charset="utf-8" src="../plugins/kindeditor/lang/zh_CN.js"></script>

<script type="text/javascript">
var editor;
KindEditor.ready(function(K) {

    editor = K.create('textarea[name="content"]', {
    allowFileManager : true

    });
});
</script>

$scope.entity.goodsDesc.introduction=editor.html();

function(response){

    if(response.success){
        alert("保存成功");
        $scope.entity={};
        editor.html('');//清空富文本编辑器
        }else{
        alert(response.message);
     }
}

   <textarea  name="content" style="width:800px;height:400px;visibility:hidden;" ></textarea>