序：在功能性比較強(qiáng)大的后臺(tái)管理網(wǎng)站處于各種角度考慮多有應(yīng)用權(quán)限管理功能。以公司內(nèi)部管理系統(tǒng)為例，管理員根據(jù)不同員工所在不同部門賦予其不同權(quán)限，或者根據(jù)上下級(jí)隸屬關(guān)系實(shí)現(xiàn)“金字塔”管理。本文內(nèi)容有不盡不實(shí)之處懇請(qǐng)指正。
//利用js添加逗號(hào)和豎線 ，通過(guò)hidden傳值
<script language="javascript" type="text/javascript">
function getcheck() {
var inputs = document.getElementById("cbpanel");
var chks = inputs.getElementsByTagName("input");
var str = "";
for (var i = 0; i < chks.length; i++) {
if (chks[i].type == 'checkbox') {
str += chks[i].value + "," + chks[i].checked + "|";
}
}
document.getElementById("Hidden1").value = str;
}
<script>
<body>
<div id="cbpanel"> <asp:Literal ID="LiteralRole" runat="server"></asp:Literal>
<input id="Hidden1" runat="server" type="hidden" /></div>
</body>
示例代碼1.2
/// <summary>
/// 綁定所有模塊分類
/// </summary>
private void BindAllModule()
{
StringBuilder sb = new StringBuilder();
sb.Append("<table class=/"AddRole/" width=/"100%/" border=/"0/" cellpadding=/"0/" cellspacing=/"0/">");
Bll_User_Module mbll = new Bll_User_Module();
IList<User_Model.Model_User_Module> list = mbll.GetAllList();//得到泛型集合
string moduleidstr = "";
for (int i = 0; i < list.Count; i++)
{
sb.Append("<tr><th style=/"width: 100px; height: 36px;/">");
sb.Append(list[i].ModuleName);
sb.Append("</th>");
sb.Append("<td>");
sb.Append("{" + list[i].ID + "}");
sb.Append("</td></tr>");
moduleidstr += list[i].ID.ToString() + ",";
}
sb.Append("</table>");
if (Request.QueryString["nid"] != null)
{
//修改
BLL_User_Role mrbll = new BLL_User_Role();
User_Model.Model_User_Role mrmodel = mrbll.GetModel(Convert.ToInt32(Request.QueryString["nid"]));
string RoleActions = mrmodel.RoleAction;
BindAllFunction(moduleidstr, sb, RoleActions);
}
else
{
//新增
BindAllFunction(moduleidstr, sb, "");
}
}
/// <summary>
/// 綁定每個(gè)模塊中的各個(gè)功能選項(xiàng)
/// </summary>
/// <param name="moduleidstr">模塊數(shù)</param>
/// <param name="sb">html表格</param>
/// <param name="RoleActions">權(quán)限二進(jìn)制字符串</param>
private void BindAllFunction(string moduleidstr, StringBuilder sb, string RoleActions)
{
Bll_User_Function bll = new Bll_User_Function();
IList<User_Model.Model_User_Function> list = bll.GetAllList();//功能表泛型集合
moduleidstr = moduleidstr.TrimEnd(',');//用逗號(hào)間隔功能模塊數(shù)
string[] str = moduleidstr.Split(',');//移除逗號(hào)，以數(shù)組形式保存
for (int i = 0; i < str.Length; i++)//循環(huán)數(shù)組
{
StringBuilder funsb = new StringBuilder();
for (int j = 0; j < list.Count; j++)
{
if (list[j].ModuleNo == Convert.ToInt32(str[i]))
{
if (RoleActions == "")
{
//新增
funsb.Append("<input id=/"" + list[j].FuncNo.ToString() + "/" type=/"checkbox/" checked=/"checked/" value=/"" + list[j].FuncNo.ToString() + "/" />");
funsb.Append(list[j].FuncName + " ");
}
else
{
//修改
if (RoleActions.Length >= list[j].FuncNo)
{
//FuncNO代表當(dāng)前權(quán)限位于二進(jìn)制字符索引值
if (RoleActions.Substring(list[j].FuncNo - 1, 1) == "1")//截取權(quán)限二進(jìn)制字符串并判斷其狀態(tài)
{
//選中狀態(tài)
funsb.Append("<input id=/"" + list[j].FuncNo.ToString() + "/" type=/"checkbox/" checked=/"checked/" value=/"" + list[j].FuncNo.ToString() + "/" />");
funsb.Append(list[j].FuncName + " ");
}
else
{
//非選中狀態(tài)
funsb.Append("<input id=/"" + list[j].FuncNo.ToString() + "/" type=/"checkbox/" value=/"" + list[j].FuncNo.ToString() + "/" />");
funsb.Append(list[j].FuncName + " ");
}
}
else
{
funsb.Append("<input id=/"" + list[j].FuncNo.ToString() + "/" type=/"checkbox/" value=/"" + list[j].FuncNo.ToString() + "/" />");
funsb.Append(list[j].FuncName + " ");
}
}
}
}
//替換功能項(xiàng)
sb.Replace("{" + str[i] + "}", funsb.ToString());
}
LiteralRole.Text = sb.ToString();
}
// 保存（更新）事件
protected void Submit_Click(object sender, EventArgs e)
{
string cbstr = Hidden1.Value;//獲取前臺(tái)hidden傳值，如 “1,true|2,true|3,false|4,true”形式
........
}
示例代碼1.1
/// <summary>
/// 生成角色二進(jìn)制字符串
/// </summary>
/// <param name="str"></param>
/// <returns>二進(jìn)制序列</returns>
private string GenerateRoleAction(string str)
{
//虛擬表構(gòu)建兩列存儲(chǔ)權(quán)限序列號(hào)及其狀態(tài)
DataTable dt = new DataTable();
DataColumn col1 = new DataColumn("funno", typeof(int));
dt.Columns.Add(col1);
DataColumn col2 = new DataColumn("flag");
dt.Columns.Add(col2);
string[] strarray = str.TrimEnd('|').Split('|');//截取任意兩個(gè)二進(jìn)制元素之間豎線
for (int i = 0; i < strarray.Length; i++)
{
DataRow dr = dt.NewRow();
dr[0] = strarray[i].Split(',')[0];//權(quán)限序列號(hào)
dr[1] = strarray[i].Split(',')[1];//權(quán)限狀態(tài)，用true和false區(qū)別記錄
dt.Rows.Add(dr);
}
dt.DefaultView.Sort = "funno asc";
DataTable dttemp = dt.DefaultView.ToTable();
//將狀態(tài)列轉(zhuǎn)換為二進(jìn)制字符
string s = "";
for (int j = 0; j < dttemp.Rows.Count; j++)
{
if (dttemp.Rows[j]["flag"].ToString().ToLower() == "true")
{
s += "1";//選中狀態(tài)（true，即具備該權(quán)限）用1表示
}
else
{
s += "0";//非選中狀態(tài)（false，即不具備該權(quán)限）用0表示
}
}
return s;//返回象征權(quán)限的二進(jìn)制字符串
}
