portal-common/src/main/webapp/common/thirdparty/zTree/api/cn/setting.callback.onAsyncError.html

   1 <div class="apiDetail">\r
   2 <div>\r
   3         <h2><span class="path">setting.callback.</span>onAsyncError</h2>\r
   4         <h2><span>Function(event, treeId, treeNode, XMLHttpRequest, textStatus, errorThrown)</span>&nbsp;</h2>\r
   5         <h3>概述<span class="h3_info">[ 依赖 <span class="highlight_green">jquery.ztree.core</span> 核心 js ]</span></h3>\r
   6         <div class="desc">\r
   7                 <p></p>\r
   8                 <div class="longdesc">\r
   9                         <p>用于捕获异步加载出现异常错误的事件回调函数</p>\r
  10                         <p class="highlight_red">如果设置了 setting.callback.beforeAsync 方法，且返回 false，将无法触发 onAsyncSuccess / onAsyncError 事件回调函数。</p>\r
  11                         <p>默认值：null</p>\r
  12                 </div>\r
  13         </div>\r
  14         <h3>Function 参数说明</h3>\r
  15         <div class="desc">\r
  16         <h4><b>event</b><span>js event 对象</span></h4>\r
  17         <p>标准的 js event 对象</p>\r
  18         <h4 class="topLine"><b>treeId</b><span>String</span></h4>\r
  19         <p>对应 zTree 的 <b class="highlight_red">treeId</b>，便于用户操控</p>\r
  20         <h4 class="topLine"><b>treeNode</b><span>JSON</span></h4>\r
  21         <p>进行异步加载的父节点 JSON 数据对象</p>\r
  22         <p class="highlight_red">针对根进行异步加载时，treeNode = null</p>\r
  23         <h4 class="topLine"><b>XMLHttpRequest</b><span>String</span></h4>\r
  24         <p>标准 XMLHttpRequest 对象，请参考 JQuery API 文档。</p>\r
  25         <h4 class="topLine"><b>textStatus</b><span>String</span></h4>\r
  26         <p>请求状态：success，error，请参考 JQuery API 文档。</p>\r
  27         <h4 class="topLine"><b>errorThrown</b><span>String</span></h4>\r
  28         <p>errorThrown 只有当异常发生时才会被传递，请参考 JQuery API 文档。</p>\r
  29         </div>\r
  30         <h3>setting & function 举例</h3>\r
  31         <h4>1. 异步加载出现异常后，弹出错误信息</h4>\r
  32         <pre xmlns=""><code>function zTreeOnAsyncError(event, treeId, treeNode, XMLHttpRequest, textStatus, errorThrown) {\r
  33     alert(XMLHttpRequest);\r
  34 };\r
  35 var setting = {\r
  36         callback: {\r
  37                 onAsyncError: zTreeOnAsyncError\r
  38         }\r
  39 };\r
  40 ......</code></pre>\r
  41 </div>\r
  42 </div>