fckeditor和谷歌浏览器不兼容的问题

 原因是它读取浏览器版本时报错，最简单的改动方法就是去掉验证，即在FCKEditro.isCompatible（）代码中增加判断有AppleWebKit串就 return true;
private boolean isCompatible() {
  String userAgent=request.getHeader("user-agent");
  if(userAgent==null)
   return false;
  userAgent=userAgent.toLowerCase();
  if ((userAgent.indexOf("msie") !=-1) && (userAgent.indexOf("mac") == -1) && (userAgent.indexOf("opera") == -1)) {
   if(retrieveBrowserVersion(userAgent)>=5.5)
    return true;
  }
  else if (userAgent.indexOf("applewebkit") !=-1){
    return true;
  }
  else if (userAgent.indexOf("gecko") !=-1){
   if(retrieveBrowserVersion(userAgent)>=20030210)
    return true;
  }
  return false;
}

不过这种改动不能保证后续代码与浏览器的兼容性，不如用新版.
下面的是需修改文件的源码
package com.fredck.FCKeditor;

import javax.servlet.http.HttpServletRequest;

public class FCKeditor
{
  private FCKeditorConfigurations oConfig;
  private String instanceName;
  private String value = "";
  private String basePath;
  private String toolbarSet = "Default";
  private String width = "100%";
  private String height = "200";
  HttpServletRequest request;

  public String getInstanceName()
  {
    return this.instanceName;
  }

  public void setInstanceName(String value)
  {
    this.instanceName = value;
  }

  public String getValue()
  {
    return this.value;
  }

  public void setValue(String value)
  {
    this.value = value;
  }

  public String getBasePath()
  {
    return this.basePath;
  }

  public void setBasePath(String value)
  {
    this.basePath = value;
  }

  public String getToolbarSet()
  {
    return this.toolbarSet;
  }

  public void setToolbarSet(String value)
  {
    this.toolbarSet = value;
  }

  public String getWidth()
  {
    return this.width;
  }

  public void setWidth(String value)
  {
    this.width = value;
  }

  public String getHeight()
  {
    return this.height;
  }

  public void setHeight(String value)
  {
    this.height = value;
  }

  public FCKeditorConfigurations getConfig()
  {
    return this.oConfig;
  }

  public void setConfig(FCKeditorConfigurations value)
  {
    this.oConfig = value;
  }

  public FCKeditor(HttpServletRequest req)
  {
    this.request = req;
    this.basePath = this.request.getContextPath() + "/FCKeditor/";
    this.oConfig = new FCKeditorConfigurations();
  }

  public FCKeditor(HttpServletRequest req, String parInstanceName)
  {
    this.request = req;
    this.basePath = this.request.getContextPath() + "/FCKeditor/";
    this.instanceName = parInstanceName;
    this.oConfig = new FCKeditorConfigurations();
  }

  public FCKeditor(HttpServletRequest req, String parInstanceName, String parWidth, String parHeight, String parToolbarSet, String parValue)
  {
    this.request = req;
    this.basePath = this.request.getContextPath() + "/FCKeditor/";
    this.instanceName = parInstanceName;
    this.width = parWidth;
    this.height = parHeight;
    this.toolbarSet = parToolbarSet;
    this.value = parValue;
    this.oConfig = new FCKeditorConfigurations();
  }

  private boolean isCompatible()
  {
    String userAgent = this.request.getHeader("user-agent");
    if (userAgent == null)
      return false;
    userAgent = userAgent.toLowerCase();
    if ((userAgent.indexOf("msie") != -1) && (userAgent.indexOf("mac") == -1) && (userAgent.indexOf("opera") == -1)) {
      if (retrieveBrowserVersion(userAgent) < 5.5D) break label91;
      return true;
    }

    label91: return ((userAgent.indexOf("gecko") != -1) &&
      (retrieveBrowserVersion(userAgent) >= 20030210.0D));
  }

  private double retrieveBrowserVersion(String userAgent)
  {
    if (userAgent.indexOf("msie") > -1) {
      str = userAgent.substring(userAgent.indexOf("msie") + 5);
      return Double.parseDouble(str.substring(0, str.indexOf(";")));
    }

    String str = userAgent.substring(userAgent.indexOf("gecko") + 6);
    return Double.parseDouble(str.substring(0,8));
  }

  private String HTMLEncode(String txt)
  {
    txt = txt.replaceAll("&", "&amp;");
    txt = txt.replaceAll("<", "&lt;");
    txt = txt.replaceAll(">", "&gt;");
    txt = txt.replaceAll("\"", "&quot;");
    txt = txt.replaceAll("'", "’");
    return txt;
  }

  public String create()
  {
    StringBuffer strEditor = new StringBuffer();

    strEditor.append("<div>");
    String encodedValue = HTMLEncode(this.value);

    if (isCompatible())
    {
      strEditor.append("<input type=\"hidden\" id=\"" + this.instanceName + "\" name=\"" + this.instanceName + "\" value=\"" + encodedValue + "\">");

      strEditor.append(createConfigHTML());
      strEditor.append(createIFrameHTML());
    }
    else
    {
      strEditor.append("<TEXTAREA name=\"" + this.instanceName + "\" rows=\"4\" cols=\"40\" style=\"WIDTH: " + this.width + "; HEIGHT: " + this.height + "\" wrap=\"virtual\">" + encodedValue + "</TEXTAREA>");
    }
    strEditor.append("</div>");
    return strEditor.toString();
  }

  private String createConfigHTML() {
    String configStr = this.oConfig.getUrlParams();

    if (!(configStr.equals("")))
      configStr = configStr.substring(1);

    return "<input type=\"hidden\" id=\"" + this.instanceName + "___Config\" value=\"" + configStr + "\">";
  }

  private String createIFrameHTML()
  {
    String sLink = this.basePath + "editor/fckeditor.html?InstanceName=" + this.instanceName;

    if (!(this.toolbarSet.equals("")))
      sLink = sLink + "&Toolbar=" + this.toolbarSet;

    return "<iframe id=\"" + this.instanceName + "___Frame\" src=\"" + sLink + "\" width=\"" + this.width + "\" height=\"" + this.height + "\" frameborder=\"no\" scrolling=\"no\"></iframe>";
  }
}