html转义

------------------------------------java------------------------------------

 

/**
 * 格式化HTML文本
 * @param content
 * @return
 */
public static String html(String content) {
	if(content==null) return "";        
	String html = content;
	html = StringUtils.replace(html, "'", "'");
	html = StringUtils.replace(html, "\"", """);
	html = StringUtils.replace(html, "\t", "  ");// 替换跳格
	//html = StringUtils.replace(html, " ", " ");// 替换空格
	html = StringUtils.replace(html, "<", "&lt;");
	html = StringUtils.replace(html, ">", "&gt;");
	return html;
}

 

------------------------------------javascript------------------------------------

 

function html_encode(str)   
{   
  var s = "";   
  if (str.length == 0) return "";   
  s = str.replace(/&/g, ">");   
  s = s.replace(/</g, "&lt;");   
  s = s.replace(/>/g, "&gt;");   
  s = s.replace(/ /g, "&nbsp;");   
  s = s.replace(/\'/g, "&#39;");   
  s = s.replace(/\"/g, "&quot;");   
  s = s.replace(/\n/g, "<br>");   
  return s;   
}   

function html_decode(str)   
{   
  var s = "";   
  if (str.length == 0) return "";   
  s = str.replace(/&gt;/g, "&");   
  s = s.replace(/&lt;/g, "<");   
  s = s.replace(/&gt;/g, ">");   
  s = s.replace(/&nbsp;/g, " ");   
  s = s.replace(/&#39;/g, "\'");   
  s = s.replace(/&quot;/g, "\"");   
  s = s.replace(/<br>/g, "\n");   
  return s;   
}