只需要加一行editor1.readonly(true);就可以

完整代码

<script>
  $(function(){
    //编辑器
      KindEditor.ready(function(K) {
      editor1 = K.create('textarea[name="brandDesc"]', {
        height:'350px',
        uploadJson : WST.conf.ROOT+'/shop/brandapplys/editorUpload',
        allowFileManager : false,
        themeType : "default",
        items:[     'source', 'undo', 'redo',  'preview', 'print', 'template', 'code', 'cut', 'copy', 'paste',
                  'plainpaste', 'wordpaste', 'justifyleft', 'justifycenter', 'justifyright',
                  'justifyfull', 'insertorderedlist', 'insertunorderedlist', 'indent', 'outdent', 'subscript',
                  'superscript', 'clearhtml', 'quickformat', 'selectall',  'fullscreen',
                  'formatblock', 'fontname', 'fontsize',  'forecolor', 'hilitecolor', 'bold',
                  'italic', 'underline', 'strikethrough', 'lineheight', 'removeformat', 'image','multiimage','media','table', 'hr', 'emoticons', 'baidumap', 'pagebreak',
                  'anchor', 'link', 'unlink'
        ],
        afterBlur: function(){ this.sync(); }
      });
      editor1.readonly(true);
    });
  });
</script>