首页 技术 正文
技术 2022年11月23日
0 收藏 425 点赞 2,138 浏览 2106 个字

protected void Page_Load(object sender, EventArgs e)
{

if (!IsPostBack)
{
ListMenu();
}
}

protected string _menu = string.Empty;
public void ListMenu()
{
StringBuilder sb = new StringBuilder();
DataTable _list = new DataTable();
string ConctionStr = “Data Source=127.0.0.1;Initial Catalog=AccordMenu;Integrated Security=False;User ID=sa;Password=sa”;
using (SqlConnection conec = new SqlConnection(ConctionStr))
{
conec.Open();
string SqlText = “SELECT * FROM sys_menu”;
SqlCommand Comand = new SqlCommand(SqlText, conec);
SqlDataAdapter Adaper = new SqlDataAdapter(Comand);
Adaper.Fill(_list);
Adaper.Dispose();
Comand.Dispose();
conec.Close();
}
DataRow[] rows = _list.Select(“ParentID=0”);
sb.Append(“[“);
bool isFist = false;
foreach (DataRow dr in rows)
{
if (isFist)
sb.Append(“,”);
isFist = true;
string id = dr[“ID”].ToString();
sb.Append(“{“);
sb.AppendFormat(“\”id\”:\”{0}\”,”, dr[“ID”]);
sb.AppendFormat(“\”text\”:\”{0}\”,”, dr[“MenuName”]);
sb.AppendFormat(“\”pid\”:\”{0}\”,”, dr[“ParentID”]);
sb.AppendFormat(“\”iconCls\”:\”icon_{0}\”,”, dr[“Menu_ICON”]);
sb.AppendFormat(“\”ICON_ID\”:\”{0}\”,”, dr[“Menu_ICON”]);
sb.AppendFormat(“\”url\”:\”{0}\”,”, dr[“Menu_URL”]);
sb.AppendFormat(“\”ICON_URL\”:\”{0}\””, dr[“ICON_URL”]);
sb.Append(“,children:[“);
sb.Append(GetSubMenu(id, _list));
sb.Append(“]”);
sb.Append(“}”);
}
sb.Append(“]”);
_menu = sb.ToString();

}

/// <summary>
/// 递归调用生成无限级别
/// </summary>
/// <param name=”pid”></param>
/// <param name=”dt”></param>
/// <returns></returns>
private string GetSubMenu(string pid, DataTable dt)
{
StringBuilder sb = new StringBuilder();
DataRow[] rows = dt.Select(“ParentID=” + pid);
if (rows.Length > 0)
{
bool isFist = false;
foreach (DataRow dr in rows)
{
if (isFist)
sb.Append(“,”);
isFist = true;
string id = dr[“ID”].ToString();
sb.Append(“{“);
sb.AppendFormat(“\”id\”:\”{0}\”,”, dr[“ID”]);
sb.AppendFormat(“\”text\”:\”{0}\”,”, dr[“MenuName”]);
sb.AppendFormat(“\”pid\”:\”{0}\”,”, dr[“ParentID”]);
sb.AppendFormat(“\”iconCls\”:\”icon_{0}\”,”, dr[“Menu_ICON”]);
sb.AppendFormat(“\”ICON_ID\”:\”{0}\”,”, dr[“Menu_ICON”]);
sb.AppendFormat(“\”url\”:\”{0}\”,”, dr[“Menu_URL”]);
sb.AppendFormat(“\”ICON_URL\”:\”{0}\””, dr[“ICON_URL”]);
sb.Append(“,children:[“);
sb.Append(GetSubMenu(id, dt));
sb.Append(“]”);
sb.Append(“}”);
}
}
return sb.ToString();
}

微信扫一扫

支付宝扫一扫

本文网址:https://www.zhankr.net/141483.html

相关推荐
python开发_常用的python模块及安装方法
adodb:我们领导推荐的数据库连接组件bsddb3:BerkeleyDB的连接组件Cheetah-1.0:我比较喜欢这个版本的cheeta…
日期:2022-11-24 点赞:877 阅读:6,234
Educational Codeforces Round 11 C. Hard Process 二分
C. Hard Process题目连接:http://www.codeforces.com/contest/660/problem/CDes…
日期:2022-11-24 点赞:806 阅读:4,053
下载Ubuntn 17.04 内核源代码
zengkefu@server1:/usr/src$ uname -aLinux server1 4.10.0-19-generic #21…
日期:2022-11-24 点赞:566 阅读:4,858
可用Active Desktop Calendar V7.86 注册码序列号
可用Active Desktop Calendar V7.86 注册码序列号Name: www.greendown.cn Code: &nb…
日期:2022-11-24 点赞:732 阅读:4,790
Android调用系统相机、自定义相机、处理大图片
Android调用系统相机和自定义相机实例本博文主要是介绍了android上使用相机进行拍照并显示的两种方式,并且由于涉及到要把拍到的照片显…
日期:2022-11-24 点赞:512 阅读:5,881
Struts的使用
一、Struts2的获取  Struts的官方网站为:http://struts.apache.org/  下载完Struts2的jar包,…
日期:2022-11-24 点赞:671 阅读:3,572
助力内容变现

将您的收入提升到一个新的水平

点击联系客服

在线时间:8:00-16:00

客服电话

400-888-8888

客服邮箱

ceotheme@ceo.com

扫描二维码

关注微信公众号

扫描二维码

手机访问本站