// 删除 function removes() {     var rows = ruletreegrid.treegrid('getSelections');     if (rows && rows.length == 1) {         var showmsg = "";         if (rows[0].pid == 0) {             // 下面有子节点             showmsg = "项目下面可能存在细则，是否也一起删除 ？";         } else {             showmsg = "是否删除此细则 ？";         }         parent.$.messager.confirm('提示', showmsg, function(r) {             if (r) {                 $.ajax({                     url : "assess/rule/ruleremoves/" + rows[0].id + ".do",                     dataType : "json",                     success : function(data) {                         if (data && data.success) {                             if (data.msg && data.msg != "")                                 parent.$.messager.alert('提示', data.msg);                             else                                 parent.$.messager.alert('提示', "删除成功");                             ruletreegrid.treegrid('remove', rows[0].id);                             ruletreegrid.treegrid('reload', rows[0].pid);                         } else {                             parent.$.messager.alert('错误', data.msg);                         }                     }                 });             }         });     } else {         parent.$.messager.alert('提示', "请选择一条要删除的项目！");     } }