JAVA中转换HTML代码

java 代码

package com.wide.cabaret.utils;

public class Html{
  public Html(){
    super();
  }

  public String toHtml(String str){
    if (str==null){
      return "";
    }else{
      str=str.replaceAll("<", "&lt;");
      str=str.replaceAll(">", "&gt;");
      str=str.replaceAll("'", "''");
      str=str.replaceAll(" ", "&nbsp;");
      str=str.replaceAll("\n", "<br>");
    }
    return str;
  }

  public String toText(String str){
    if (str==null){
      return "";
    }else{
      str=str.replaceAll("&lt;", "<");
      str=str.replaceAll("&gt;", ">");
      str=str.replaceAll("''", "'");
      str=str.replaceAll("&nbsp;", " ");
      str=str.replaceAll("<br>", "\n");
    }
    return str;
  }
}