标签：class blog code java http tar
好久没有使用ztree了，刚才在使用ztree做导航时遇到了几个小问题： 1、返回数据源是undefined 。 2、数据出现后树结构没有出现(pIdKey单词拼写错误).
在使用Oracle查询时，Oracle将所有列名转化为大写，我在JSON处理过程中手动将字段处理成小写。
js代码：
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<script type="text/javascript"> var
selectNode; // ztree选中节点 var
treeObj; var
settings = { data: { key: { name: "name" }, simpleData: { enable: true, idKey: "id", pIdKey: "pid" } }, callback: { } }; function
AjaxZtree() { $.ajax({ type: ‘GET‘, url: ‘../Analysis/Handler/Tree.ashx?action=report‘, cache: true, async: false, dataType: "text", ContentType: "application/json; charset=utf-8", success: function
(data) { $.fn.zTree.init($("#ReportTree"), settings, (new
Function(‘return‘
+ data))()); treeObj = $.fn.zTree.getZTreeObj("ReportTree"); }, error: function
() { alert(‘Error‘); } }); } $(document).ready(function
() { AjaxZtree(); }); </script> |
ashx代码：
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public
void ProcessRequest(HttpContext context) { context.Response.ContentType = "text/plain"; string
action = context.Request.QueryString["action"]; if
(action == "report") { var
result = reportibll.ZtreeJSON(); string
json = ConvertJson.ToJson(result); context.Response.Write(json); } else { } } |
JSON处理代码：
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public
static string ToJson(DataTable dt) { StringBuilder jsonString = new
StringBuilder(); jsonString.Append("["); DataRowCollection drc = dt.Rows; for
(int
i = 0; i < drc.Count; i++) { jsonString.Append("{"); for
(int
j = 0; j < dt.Columns.Count; j++) { string
strKey = dt.Columns[j].ColumnName.ToLower(); string
strValue = drc[i][j].ToString(); Type type = dt.Columns[j].DataType; jsonString.Append("\""
+ strKey + "\":"); strValue = StringFormat(strValue, type); if
(j < dt.Columns.Count - 1) { jsonString.Append(strValue + ","); } else { jsonString.Append(strValue); } } jsonString.Append("},"); } jsonString.Remove(jsonString.Length - 1, 1); jsonString.Append("]"); return
jsonString.ToString(); } |
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ztree + ashx +DataTable +Oracle
标签：class blog code java http tar
原文地址：http://www.cnblogs.com/sword-successful/p/3778318.html
