package com.bugyun.common;import java.util.List;import org.apache.commons.lang3.StringUtils;/** * * 项目名称：web-demo * 类名称：List2String.java * 类描述： * 创建人：beyond * 创建时间：2017年2月13日 上午9:34:24 * 修改人： * 修改时间： * 修改备注： * @version */public class List2String {public String listToStringOne(List<String> list, char separator) {StringBuilder sb = new StringBuilder();for (int i = 0; i < list.size(); i++) {sb.append(list.get(i)).append(separator);}return sb.toString().substring(0, sb.toString().length() - 1);}public String listToStringTwo(List<String> list, char separator) {StringBuilder sb = new StringBuilder();for (int i = 0; i < list.size(); i++) {if (i == list.size() - 1) {sb.append(list.get(i));} else {sb.append(list.get(i));sb.append(separator);}}return sb.toString();}public String listToStringThree(List<String> list, char separator) {StringBuilder sb = new StringBuilder();for (int i = 0; i < list.size(); i++) {sb.append(list.get(i));if (i < list.size() - 1) {sb.append(separator);}}return sb.toString();}public String listToStringFour(List<String> list, char separator) {return StringUtils.join(list.toArray(), separator);}public String listToStringFive(List<String> list, Separator separator) {StringBuilder sb = new StringBuilder();for (String s : list) {if (s != null && !"".equals(s)) {sb.append(separator.get()).append(s);}}return sb.toString();}public class Separator {private String next = "";private String separator;public Separator(String separator) {this.separator = separator;}public String get() {String result = next;next = separator;return result;}}}