抽象类PublicPage封转一些页面常用方法

namespace Test.Web.Common {
/// <summary>
///PublicPage继承page，实现了自己的一些方法供子类继承
/// </summary>
public abstract class PublicPage : System.Web.UI.Page {

/// <summary>
/// 构造函数
/// </summary>
public PublicPage()
{

}

/// <summary>
/// 递归查找找指定ID的控件
/// </summary>
/// <param name="Parent">父控件(控件容器)</param>
/// <param name="id">要查找的控件ID</param>
/// <returns>回传符合ID的控件，若未找到则返回Null</returns>
public static Control FindControlEx(Control parentControl, string id)
{
Control control = null;
//先使用 FindControl 去查找指定的子控件
control = parentControl.FindControl(id);
//如果未找到则往下层递归方式去查找
if (control == null)
{
foreach (Control oChildCtrl in parentControl.Controls)
{
//以递归方式回调原函数
control = FindControlEx(oChildCtrl, id);
//如果找到指定控件则退出循环
if (control != null) break;
}
}
return control;
}

/// <summary>
/// 获取request参数值（字符串）
/// </summary>
/// <param name="name">标识</param>
/// <param name="defaultValue">默认值</param>
/// <returns>找到相应值返回，没找到，返回默认值</returns>
public string GetStringValue(string name, string defaultValue) {
bool isGetMethod = (Request.HttpMethod == "GET");
string value = defaultValue;
if (isGetMethod) {
value = Request.QueryString[name];
} else {
//if(Request.QueryString.Keys.
value = Request.Form[name];
if (string.IsNullOrEmpty(value)) {
value = Request.QueryString[name];
}
}
if(string.IsNullOrEmpty(value))
return defaultValue;
return value;
}

/// <summary>
/// 获取request参数值（字符串）
/// </summary>
/// <param name="name">标识</param>
/// <returns>找到相应值返回，没找到，返回string.Empty</returns>
public string GetStringValue(string name) {
return GetStringValue(name, string.Empty);
}

/// <summary>
/// 获取request参数值（数值）
/// </summary>
/// <param name="name">标识</param>
/// <param name="defaultValue">默认值</param>
/// <returns>找到相应值返回，没找到，返回默认值</returns>
public int GetIntValue(string name, int defaultValue) {
string v = GetStringValue(name);
try {
return int.Parse(v);
} catch {
return defaultValue;
}
}

/// <summary>
/// 获取request参数值（数值）
/// </summary>
/// <param name="name">标识</param>
/// <param name="defaultValue">默认值</param>
/// <returns>找到相应值返回，没找到，返回0</returns>
public int GetIntValue(string name) {
return GetIntValue(name, 0);
}

/// <summary>
/// 获取request参数值（日期）
/// </summary>
/// <param name="name">标识</param>
/// <param name="defaultValue">默认值</param>
/// <returns>找到相应值返回，没找到，返回默认值</returns>
public DateTime GetDateValue(string name, DateTime defaultValue) {
string v = GetStringValue(name);
try {
return DateTime.Parse(v);
} catch {
return defaultValue;
}
}

/// <summary>
/// 获取request参数值（日期）
/// </summary>
/// <param name="name">标识</param>
/// <returns>找到相应值返回，没找到，返回当前时间</returns>
public DateTime GetDateValue(string name) {
return GetDateValue(name, default(DateTime));
}

#region 弹出消息框
/// <summary>
/// 弹出消息框
/// </summary>
/// <param name="message">弹出信息</param>
public void Alert(string message)
{
message = message.Replace("\n", "\\n");
ScriptManager.RegisterStartupScript(Page, this.GetType(), DateTime.Now.Ticks.ToString(), "alert('" + message + "');", true);
}
#endregion

#region 执行指定函数
/// <summary>
/// 执行指定函数，函数名称不包含()；
/// </summary>
/// <param name="message">函数名称</param>
public void ExecuteFunction(string funcName)
{
funcName = CheckFuncName(funcName);
ScriptManager.RegisterStartupScript(Page, this.GetType(), DateTime.Now.Ticks.ToString(), funcName + "();", true);
}

/// <summary>
/// 执行指定函数，函数名称不包含()；
/// </summary>
/// <param name="funcName">函数名称</param>
/// <param name="param">传递参数</param>
public void ExecuteFunction(string funcName,string param)
{
funcName = CheckFuncName(funcName);
ScriptManager.RegisterStartupScript(Page, this.GetType(), DateTime.Now.Ticks.ToString(), funcName + "('" + param + "');", true);
}

/// <summary>
/// 执行指定函数，函数名称不包含()；
/// </summary>
/// <param name="funcName">函数名称</param>
/// <param name="param">传递参数</param>
public void ExecuteFunction(string funcName, string[] param)
{
funcName = CheckFuncName(funcName);

string jsScript = funcName + "(";

for (int i = 0; i < param.Length; i++)
{
jsScript += "'" + param[i] + "',";
}

jsScript = jsScript.TrimEnd(',') + ");";

ScriptManager.RegisterStartupScript(Page, this.GetType(), DateTime.Now.Ticks.ToString(), jsScript, true);
}

/// <summary>
/// 检验函数名称是否包含()；
/// </summary>
/// <param name="funcName">函数名称</param>
/// <returns>函数名称</returns>
private string CheckFuncName(string funcName)
{
if (funcName.EndsWith(";"))
{
funcName = funcName.TrimEnd(';');
}
if (funcName.EndsWith(")"))
{
funcName = funcName.TrimEnd(')');
}
if (funcName.EndsWith("("))
{
funcName = funcName.TrimEnd('(');
}
return funcName;
}
#endregion

#region 执行指定的JavaScript脚本内容
/// <summary>
/// 执行指定的JavaScript脚本内容
/// </summary>
/// <param name="strScriptContent">JavaScript脚本内容</param>
public void ExecuteScript(string strScriptContent)
{
ScriptManager.RegisterClientScriptBlock(Page, this.GetType(), DateTime.Now.Ticks.ToString(), strScriptContent, true);
}
#endregion

}
}