//处理危险字符串
public sealed class CleanString
{
//定义InputText函数处理用于输入
public static string InputText(string inputString, int maxLength)
{
StringBuilder retVal = new StringBuilder(); //构造临时字符串数组
if ((inputString != null) && (inputString != string.Empty))
{
inputString = inputString.Trim();//清空字符串两段的空白符号
//设置字符串的长度
if (inputString.Length > maxLength)
{
inputString = inputString.Substring(0,maxLength);
}
for (int i = 0; i < inputString.Length; i++)
{
switch (inputString[i]) //替换危险字符串
{
case "": retVal.Append("""); break;
case '<': retVal.Append("<"); break;
case '>': retVal.Append(">"); break;
default: retVal.Append(inputString[i]); break;
}
}
retVal.Replace(""," ");
}
return retVal.ToString();
}
}
public sealed class CleanString
{
//定义InputText函数处理用于输入
public static string InputText(string inputString, int maxLength)
{
StringBuilder retVal = new StringBuilder(); //构造临时字符串数组
if ((inputString != null) && (inputString != string.Empty))
{
inputString = inputString.Trim();//清空字符串两段的空白符号
//设置字符串的长度
if (inputString.Length > maxLength)
{
inputString = inputString.Substring(0,maxLength);
}
for (int i = 0; i < inputString.Length; i++)
{
switch (inputString[i]) //替换危险字符串
{
case "": retVal.Append("""); break;
case '<': retVal.Append("<"); break;
case '>': retVal.Append(">"); break;
default: retVal.Append(inputString[i]); break;
}
}
retVal.Replace(""," ");
}
return retVal.ToString();
}
}