  //初始化tree grid
	initGrid : function () {
		var self = this;
		var uri = Param.uri.this + '?' + $.param(Param.query);
		history.replaceState(Param.query , '' , uri);

		$('#treeGrid').TreeGrid({
			uri : Param.uri.read ,
			field : 'text', //显示箭头的字段
			param : Param.query ,  //查询参数
			rowStyle : function (row) {
				if ( row.status == 0 ) {
					return 'warning';
				}
			} ,
			loadSuccess : function ( rows , settings ) {
				var options = '<option value="0" selected>根目录</option>';
				options += form_options_rows( rows , settings );
				$('select[name="pid"]').html(options);

				var oldUri = window.location.href;
				var uri = Param.uri.this + '?' + $.param(settings.param);
				if ( oldUri == uri) {
					return false ;
				}

				var params = $.getUrlParams(window.location.href);
				history.pushState(params , '' , oldUri);
				history.replaceState(settings.param , '' , uri);
			}
		});
	}




