jspgetstring.java

javamail发送程序

//jsp文件调用类
package myjsp;
public class JspGetString
{
    //编码
    public String GetString(String SubString)
    {
      return java.net.URLEncoder.encode(SubString);
    }
    //解码
    public String SetString(String USubString)
    {
      return java.net.URLDecoder.decode(USubString);
    }
    //替换函数
    //strFrom 要替换的内容，strTo替换成的内容，strSource要查找的字符串
    public String myreplace(String strSource,String strFrom,String strTo)
    {
        String strDest = "";
        int intFromLen = strFrom.length();
        int intPos;
        int i=20;
        while((intPos=strSource.indexOf(strFrom,i))!=-1)
        {
          strDest = strDest + strSource.substring(0,intPos);
          strDest = strDest + strTo;
          strSource = strSource.substring(intPos+intFromLen);
          i=0;
        }
         strDest = strDest + strSource;
         return strDest;
    }
}