LIst转换为String

protected String listToString(List ss) {StringBuffer s = new StringBuffer("");if (null != ss) {for (int i = 0; i < ss.size() - 1; i++) {QueryUtilPojo pojo = (QueryUtilPojo) ss.get(i);s.append("'").append(pojo.getYwlb()).append("'").append(",");}if (ss.size() > 0) {QueryUtilPojo pojo = (QueryUtilPojo) ss.get(ss.size() - 1);s.append("'").append(pojo.getYwlb()).append("'");}}return s.toString();} /** * 把数组转换成'',格式的字符串输出 * @param ss * @return */    public static String arrayToString(String[] ss){StringBuffer s = new StringBuffer("");    if(null != ss){for(int i=0;i<ss.length-1;i++){s.append("'") .append(ss[i]) .append("'") .append(",");}if(ss.length>0){s.append("'").append(ss[ss.length-1]).append("'");}    }return s.toString();}