tosql.java

来自「这是一个JSP做的主页管理系统」· Java 代码 · 共 53 行

package com.gbsource.util;

/**
 * Title:        华源网络主页基地管理
 * Description:
 * Copyright:    Copyright (c) 2001
 * Company:      Gbsource Studio
 * @author fishwu
 * @version 1.0
 */

public class ToSQL
{
  public static String WriteToSQL(String s)
  {
    s = Replace(s,"[","[[]");
    s = Replace(s,"'","''");
    s = Replace(s,"_","[_]");
    s = Replace(s,"%","[%]");
    return s;
  }
  public static String WriteHtml(String s)
  {
    s = Replace(s,"&","&");
    s = Replace(s,"<","&lt;");
    s = Replace(s,">","&gt;");
    s = Replace(s,"\t","    ");
    s = Replace(s,"\r\n","\n");
    s = Replace(s,"\n","<br>");
    s = Replace(s,"  "," &nbsp;");
    return s;
  }
  public static String Replace(String source,String oldString,String newString)
  {
    if(source == null) return null;
    StringBuffer output = new StringBuffer();
    int lengOfsource = source.length();
    int lengOfold = oldString.length();
    int posStart = 0;
    int pos;
    while((pos = source.indexOf(oldString,posStart)) >= 0)
    {
      output.append(source.substring(posStart,pos));
      output.append(newString);
      posStart = pos + lengOfold;
    }
    if(posStart < lengOfsource)
    {
      output.append(source.substring(posStart));
    }
    return output.toString();
  }
}