这篇博客整理了多个常用的Java工具类，包括json转换工具、HttpClientUtil、FastDFSClient、cookie读写、异常堆栈信息获取、easyUIDataGrid对象处理、FTP操作、ID生成策略以及jedis操作等。
1.json转换工具
package com.taotao.utils; import java.util.List; import com.fasterxml.jackson.core.JsonProcessingException; import com.fasterxml.jackson.databind.JavaType; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; /** * json转换工具类 */ public class JsonUtils { // 定义jackson对象 private static final ObjectMapper MAPPER = new ObjectMapper(); /** * 将对象转换成json字符串。 * <p>Title: pojoToJson</p> * <p>Description: </p> * @param data * @return */ public static String objectToJson(Object data) { try { String string = MAPPER.writeValueAsString(data); return string; } catch (JsonProcessingException e) { e.printStackTrace(); } return null; } /** * 将json结果集转化为对象 * @param jsonData json数据 * @param clazz 对象中的object类型 * @return */ public static <T> T jsonToPojo(String jsonData, Class<T> beanType) { try { T t = MAPPER.readValue(jsonData, beanType); return t; } catch (Exception e) { e.printStackTrace(); } return null; } /** * 将json数据转换成pojo对象list * <p>Title: jsonToList</p> * <p>Description: </p> * @param jsonData * @param beanType * @return */ public static <T>List<T> jsonToList(String jsonData, Class<T> beanType) { JavaType javaType = MAPPER.getTypeFactory().constructParametricType(List.class, beanType); try { List<T> list = MAPPER.readValue(jsonData, javaType); . return list; } catch (Exception e) { . e.printStackTrace(); } return null; } } 2.cookie的读写
package com.taotao.common.utils; import java.io.UnsupportedEncodingException; import java.net.URLDecoder; import java.net.URLEncoder; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; /** * . * Cookie 工具类 * */ public final class CookieUtils { /** * 得到Cookie的值, 不编码 . * * @param request . * @param cookieName * @return */ public static String getCookieValue(HttpServletRequest request, String cookieName) { return getCookieValue(request, cookieName, false); } /** . * 得到Cookie的值, * * @param request * @param cookieName * @return . */ public static String getCookieValue(HttpServletRequest request, String cookieName, boolean isDecoder) { Cookie[] cookieList = request.getCookies(); if (cookieList == null || cookieName == null) { return null; } String retValue = null; try { for (int i = 0; i < cookieList.length; i++) { . if (cookieList[i].getName().equals(cookieName)) { if (isDecoder) { retValue = URLDecoder.decode(cookieList[i].getValue(), "UTF-8"); } else { retValue = cookieList[i].getValue(); } break; } } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return retValue; } /** * 得到Cookie的值, ** @param request * @param cookieName * @return */ public static String getCookieValue(HttpServletRequest request, String cookieName, String encodeString) { Cookie[] cookieList = request.getCookies(); if (cookieList == null || cookieName == null) { return null; } String retValue = null; try { for (int i = 0; i < cookieList.length; i++) { if (cookieList[i].getName().equals(cookieName)) { retValue = URLDecoder.decode(cookieList[i].getValue(), encodeString); break; } } } catch (UnsupportedEncodingException e) { e.printStackTrace(); } return retValue; } /** * 设置Cookie的值 不设置生效时间默认浏览器关闭即失效,也不编码 */ public static void setCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue) { setCookie(request, response, cookieName, cookieValue, -1); . } /** * 设置Cookie的值 在指定时间内生效,但不编码 */ public static void setCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, int cookieMaxage) { setCookie(request, response, cookieName, cookieValue, cookieMaxage, false); } /** * 设置Cookie的值 不设置生效时间,但编码 */ public static void setCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, boolean isEncode) { setCookie(request, response, cookieName, cookieValue, -1, isEncode); } /** * 设置Cookie的值 在指定时间内生效, 编码参数 */ public static void setCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, int cookieMaxage, boolean isEncode) { doSetCookie(request, response, cookieName, cookieValue, cookieMaxage, isEncode); } /** * 设置Cookie的值 在指定时间内生效, 编码参数(指定编码) */ public static void setCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, int cookieMaxage, String encodeString) { doSetCookie(request, response, cookieName, cookieValue, cookieMaxage, encodeString); } /** * 删除Cookie带cookie域名 */ public static void deleteCookie(HttpServletRequest request, HttpServletResponse response, String cookieName) { doSetCookie(request, response, cookieName, "", -1, false); } /** * 设置Cookie的值，并使其在指定时间内生效 * * @param cookieMaxage cookie生效的最大秒数 */ private static final void doSetCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, int cookieMaxage, boolean isEncode) { try { if (cookieValue == null) { cookieValue = ""; } else if (isEncode) { cookieValue = URLEncoder.encode(cookieValue, "utf-8"); } Cookie cookie = new Cookie(cookieName, cookieValue); if (cookieMaxage > 0) cookie.setMaxAge(cookieMaxage); if (null != request) {// 设置域名的cookie String domainName = getDomainName(request); System.out.println(domainName); if (!"localhost".equals(domainName)) { cookie.setDomain(domainName); } } cookie.setPath("/"); response.addCookie(cookie); } catch (Exception e) { e.printStackTrace(); } } /** * 设置Cookie的值，并使其在指定时间内生效 * * @param cookieMaxage cookie生效的最大秒数 */ private static final void doSetCookie(HttpServletRequest request, HttpServletResponse response, String cookieName, String cookieValue, int cookieMaxage, String encodeString) { try { if (cookieValue == null) { cookieValue = ""; } else { cookieValue = URLEncoder.encode(cookieValue, encodeString); } Cookie cookie = new Cookie(cookieName, cookieValue); if (cookieMaxage > 0) cookie.setMaxAge(cookieMaxage); if (null != request) {// 设置域名的cookie String domainName = getDomainName(request); System.out.println(domainName); if (!"localhost".equals(domainName)) { cookie.setDomain(domainName); } } cookie.setPath("/"); response.addCookie(cookie); } catch (Exception e) { e.printStackTrace(); } } /** * 得到cookie的域名 */ private static final String getDomainName(HttpServletRequest request) { String domainName = null; String serverName = request.getRequestURL().toString(); if (serverName == null || serverName.equals("")) { domainName = ""; } else { serverName = serverName.toLowerCase(); serverName = serverName.substring(7); final int end = serverName.indexOf("/"); serverName = serverName.substring(0, end); final String[] domains = serverName.split("\\."); int len = domains.length; if (len > 3) { // www.xxx.com.cn domainName = "." + domains[len - 3] + "." + domains[len - 2] + "." + domains[len - 1]; } else if (len <= 3 && len > 1) { // xxx.com or xxx.cn domainName = "." + domains[len - 2] + "." + domains[len - 1]; } else { domainName = serverName; } } if (domainName != null && domainName.indexOf(":") > 0) { String[] ary = domainName.split("\\:"); domainName = ary[0]; } return domainName; } } 3.HttpClientUtil
package com.taotao.utils; import java.io.IOException; import java.net.URI; import java.util.ArrayList; import java.util.List; import java.util.Map; import org.apache.http.NameValuePair; import org.apache.http.client.entity.UrlEncodedFormEntity; import org.apache.http.client.methods.CloseableHttpResponse; import org.apache.http.client.methods.HttpGet; import org.apache.http.client.methods.HttpPost; import org.apache.http.client.utils.URIBuilder; import org.apache.http.entity.ContentType; import org.apache.http.entity.StringEntity; import org.apache.http.impl.client.CloseableHttpClient; import org.apache.http.impl.client.HttpClients; import org.apache.http.message.BasicNameValuePair; import org.apache.http.util.EntityUtils; public class HttpClientUtil { public static String doGet(String url, Map<String, String> param) { // 创建Httpclient对象 CloseableHttpClient httpclient = HttpClients.createDefault(); String resultString = ""; CloseableHttpResponse response = null; try { // 创建uri URIBuilder builder = new URIBuilder(url); if (param != null) { for (String key : param.keySet()) { builder.addParameter(key, param.get(key)); } } URI uri = builder.build(); // 创建http GET请求 HttpGet httpGet = new HttpGet(uri); // 执行请求 response = httpclient.execute(httpGet); // 判断返回状态是否为200 if (response.getStatusLine().getStatusCode() == 200) { resultString = EntityUtils.toString(response.getEntity(), "UTF-8"); } } catch (Exception e) { e.printStackTrace(); } finally { try { if (response != null) { response.close(); } httpclient.close(); } catch (IOException e) { e.printStackTrace(); } } return resultString; } public static String doGet(String url) { return doGet(url, null); } public static String doPost(String url, Map<String, String> param) { // 创建Httpclient对象 CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; String resultString = ""; try { // 创建Http Post请求 HttpPost httpPost = new HttpPost(url); // 创建参数列表 if (param != null) { List<NameValuePair> paramList = new ArrayList<>(); for (String key : param.keySet()) { paramList.add(new BasicNameValuePair(key, param.get(key))); } // 模拟表单 UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList); httpPost.setEntity(entity); } // 执行http请求 response = httpClient.execute(httpPost); resultString = EntityUtils.toString(response.getEntity(), "utf-8"); } catch (Exception e) { e.printStackTrace(); . } finally { try { response.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } return resultString; } public static String doPost(String url) { return doPost(url, null); } public static String doPostJson(String url, String json) { // 创建Httpclient对象 CloseableHttpClient httpClient = HttpClients.createDefault(); CloseableHttpResponse response = null; String resultString = ""; try { // 创建Http Post请求 HttpPost httpPost = new HttpPost(url); // 创建请求内容 StringEntity entity = new StringEntity(json, ContentType.APPLICATION_JSON); httpPost.setEntity(entity); // 执行http请求 response = httpClient.execute(httpPost); resultString = EntityUtils.toString(response.getEntity(), "utf-8"); } catch (Exception e) { e.printStackTrace(); } finally { try { response.close(); } catch (IOException e) { // TODO Auto-generated catch block e.printStackTrace(); } } return resultString; } } 4.FastDFSClient工具类
package cn.itcast.fastdfs.cliennt; import org.csource.common.NameValuePair; import org.csource.fastdfs.ClientGlobal; import org.csource.fastdfs.StorageClient1; import org.csource.fastdfs.StorageServer; import org.csource.fastdfs.TrackerClient; import org.csource.fastdfs.TrackerServer; public class FastDFSClient { private TrackerClient trackerClient = null; private TrackerServer trackerServer = null; private StorageServer storageServer = null; private StorageClient1 storageClient = null; public FastDFSClient(String conf) throws Exception { if (conf.contains("classpath:")) { conf = conf.replace("classpath:", this.getClass().getResource("/").getPath()); } ClientGlobal.init(conf); trackerClient = new TrackerClient(); trackerServer = trackerClient.getConnection(); storageServer = null; storageClient = new StorageClient1(trackerServer, storageServer); } /** * 上传文件方法 * <p>Title: uploadFile</p> * <p>Description: </p> * @param fileName 文件全路径 * @param extName 文件扩展名，不包含（.） * @param metas 文件扩展信息 * @return * @throws Exception */ public String uploadFile(String fileName, String extName, NameValuePair[] metas) throws Exception { String result = storageClient.upload_file1(fileName, extName, metas); return result; } public String uploadFile(String fileName) throws Exception { return uploadFile(fileName, null, null); } public String uploadFile(String fileName, String extName) throws Exception { return uploadFile(fileName, extName, null); } /** * 上传文件方法 * <p>Title: uploadFile</p> * <p>Description: </p> * @param fileContent 文件的内容，字节数组 * @param extName 文件扩展名 * @param metas 文件扩展信息 * @return * @throws Exception */ public String uploadFile(byte[] fileContent, String extName, NameValuePair[] metas) throws Exception { String result = storageClient.upload_file1(fileContent, extName, metas); return result; } public String uploadFile(byte[] fileContent) throws Exception { return uploadFile(fileContent, null, null); } public String uploadFile(byte[] fileContent, String extName) throws Exception { return uploadFile(fileContent, extName, null); } } <span style="font-size:14px;font-weight:normal;">public class FastDFSTest { @Test public void testFileUpload() throws Exception { // 1、加载配置文件，配置文件中的内容就是tracker服务的地址。 ClientGlobal.init("D:/workspaces-itcast/term197/taotao-manager-web/src/main/resources/resource/client.conf"); // 2、创建一个TrackerClient对象。直接new一个。 TrackerClient trackerClient = new TrackerClient(); // 3、使用TrackerClient对象创建连接，获得一个TrackerServer对象。 TrackerServer trackerServer = trackerClient.getConnection(); // 4、创建一个StorageServer的引用，值为null StorageServer storageServer = null; // 5、创建一个StorageClient对象，需要两个参数TrackerServer对象、StorageServer的引用 StorageClient storageClient = new StorageClient(trackerServer, storageServer); // 6、使用StorageClient对象上传图片。 //扩展名不带“.” String[] strings = storageClient.upload_file("D:/Documents/Pictures/images/200811281555127886.jpg", "jpg", null); // 7、返回数组。包含组名和图片的路径。 for (String string : strings) { System.out.println(string); } } }</span> #  5.获取异常的堆栈信息
package com.taotao.utils; import java.io.PrintWriter; import java.io.StringWriter; public class ExceptionUtil { /** * 获取异常的堆栈信息 * * @param t * @return */ public static String getStackTrace(Throwable t) { StringWriter sw = new StringWriter(); PrintWriter pw = new PrintWriter(sw); try { t.printStackTrace(pw); return sw.toString(); } finally { pw.close(); } } } #6.easyUIDataGrid对象返回值
package com.taotao.result; import java.util.List; /** * easyUIDataGrid对象返回值 * <p>Title: EasyUIResult</p> * <p>Description: </p> * <p>Company: www.itcast.com</p> * @author 入云龙 * @date 2019年7月21日下午4:12:52 * @version 1.0 */ public class EasyUIResult { private Integer total; private List<?> rows; public EasyUIResult(Integer total, List<?> rows) { this.total = total; this.rows = rows; } public EasyUIResult(long total, List<?> rows) { this.total = (int) total; this.rows = rows; } public Integer getTotal() { return total; } public void setTotal(Integer total) { this.total = total; } public List<?> getRows() { return rows; } public void setRows(List<?> rows) { this.rows = rows; } } 7.ftp上传下载工具类
package com.taotao.utils; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.net.ftp.FTP; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.net.ftp.FTPFile; import org.apache.commons.net.ftp.FTPReply; /** * ftp上传下载工具类 * <p>Title: FtpUtil</p> * <p>Description: </p> * <p>Company: www.itcast.com</p> * @author 入云龙 * @date 2015年7月29日下午8:11:51 * @version 1.0 */ public class FtpUtil { /** * Description: 向FTP服务器上传文件 * @param host FTP服务器hostname * @param port FTP服务器端口 * @param username FTP登录账号 * @param password FTP登录密码 * @param basePath FTP服务器基础目录 * @param filePath FTP服务器文件存放路径。例如分日期存放：/2015/01/01。文件的路径为basePath+filePath * @param filename 上传到FTP服务器上的文件名 * @param input 输入流 * @return 成功返回true，否则返回false */ public static boolean uploadFile(String host, int port, String username, String password, String basePath, String filePath, String filename, InputStream input) { boolean result = false; FTPClient ftp = new FTPClient(); try { int reply; ftp.connect(host, port);// 连接FTP服务器 // 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器 ftp.login(username, password);// 登录 reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); return result; } //切换到上传目录 if (!ftp.changeWorkingDirectory(basePath+filePath)) { //如果目录不存在创建目录 String[] dirs = filePath.split("/"); String tempPath = basePath; for (String dir : dirs) { if (null == dir || "".equals(dir)) continue; tempPath += "/" + dir; if (!ftp.changeWorkingDirectory(tempPath)) { if (!ftp.makeDirectory(tempPath)) { return result; } else { ftp.changeWorkingDirectory(tempPath); } } } } //设置上传文件的类型为二进制类型 ftp.setFileType(FTP.BINARY_FILE_TYPE); //上传文件 if (!ftp.storeFile(filename, input)) { return result; . } input.close(); ftp.logout(); result = true; } catch (IOException e) { e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException ioe) { } } } return result; } /** * Description: 从FTP服务器下载文件 * @param host FTP服务器hostname * @param port FTP服务器端口 * @param username FTP登录账号 * @param password FTP登录密码 * @param remotePath FTP服务器上的相对路径 * @param fileName 要下载的文件名 . * @param localPath 下载后保存到本地的路径 * @return */ public static boolean downloadFile(String host, int port, String username, String password, String remotePath, String fileName, String localPath) { boolean result = false; FTPClient ftp = new FTPClient(); try { int reply; ftp.connect(host, port); // 如果采用默认端口，可以使用ftp.connect(host)的方式直接连接FTP服务器 ftp.login(username, password);// 登录 reply = ftp.getReplyCode(); if (!FTPReply.isPositiveCompletion(reply)) { ftp.disconnect(); return result; } ftp.changeWorkingDirectory(remotePath);// 转移到FTP服务器目录 FTPFile[] fs = ftp.listFiles(); for (FTPFile ff : fs) { if (ff.getName().equals(fileName)) { File localFile = new File(localPath + "/" + ff.getName()); OutputStream is = new FileOutputStream(localFile); ftp.retrieveFile(ff.getName(), is); is.close(); } } ftp.logout(); result = true; } catch (IOException e) { e.printStackTrace(); } finally { if (ftp.isConnected()) { try { ftp.disconnect(); } catch (IOException ioe) { } } } return result; } public static void main(String[] args) { try { FileInputStream in=new FileInputStream(new File("D:\\temp\\image\\gaigeming.jpg")); 147. boolean flag = uploadFile("192.168.25.133", 21, "ftpuser", "ftpuser", "/home/ftpuser/www/images","/2015/01/21", "gaigeming.jpg", in); System.out.println(flag); } catch (FileNotFoundException e) { e.printStackTrace(); } } } 8.各种id生成策略
package com.taotao.utils; import java.util.Random; /** * 各种id生成策略 * <p>Title: IDUtils</p> * <p>Description: </p> * @date 2015年7月22日下午2:32:10 * @version 1.0 */ public class IDUtils { /** * 图片名生成 */ public static String genImageName() { //取当前时间的长整形值包含毫秒 long millis = System.currentTimeMillis(); //long millis = System.nanoTime(); //加上三位随机数 Random random = new Random(); int end3 = random.nextInt(999); //如果不足三位前面补0 String str = millis + String.format("%03d", end3); return str; } /** * 商品id生成 */ public static long genItemId() { //取当前时间的长整形值包含毫秒 long millis = System.currentTimeMillis(); //long millis = System.nanoTime(); //加上两位随机数 Random random = new Random(); int end2 = random.nextInt(99); //如果不足两位前面补0 String str = millis + String.format("%02d", end2); long id = new Long(str); return id; } public static void main(String[] args) { for(int i=0;i< 100;i++) System.out.println(genItemId()); } } ##9.上传图片返回值
package com.result; /** * 上传图片返回值 * <p>Title: PictureResult</p> * <p>Description: </p> * <p>Company: www.itcast.com</p> * @author 入云龙 * @date 2015年7月22日下午2:09:02 * @version 1.0 */ public class PictureResult { /** * 上传图片返回值，成功：0 失败：1 */ private Integer error; /** * 回显图片使用的url */ private String url; /** * 错误时的错误消息 */ private String message; public PictureResult(Integer state, String url) { this.url = url; this.error = state; } public PictureResult(Integer state, String url, String errorMessage) { this.url = url; this.error = state; this.message = errorMessage; } public Integer getError() { return error; } public void setError(Integer error) { this.error = error; } public String getUrl() { return url; } public void setUrl(String url) { this.url = url; } public String getMessage() { return message; } public void setMessage(String message) { this.message = message; } } 10.自定义响应结构
package com.result; import java.util.List; import com.fasterxml.jackson.databind.JsonNode; import com.fasterxml.jackson.databind.ObjectMapper; /** * 自定义响应结构 */ public class TaotaoResult { // 定义jackson对象 private static final ObjectMapper MAPPER = new ObjectMapper(); // 响应业务状态 private Integer status; // 响应消息 private String msg; // 响应中的数据 private Object data; public static TaotaoResult build(Integer status, String msg, Object data) { return new TaotaoResult(status, msg, data); } public static TaotaoResult ok(Object data) { return new TaotaoResult(data); } public static TaotaoResult ok() { return new TaotaoResult(null); } public TaotaoResult() { } public static TaotaoResult build(Integer status, String msg) { return new TaotaoResult(status, msg, null); } public TaotaoResult(Integer status, String msg, Object data) { this.status = status; this.msg = msg; this.data = data; } public TaotaoResult(Object data) { this.status = 200; this.msg = "OK"; this.data = data; } // public Boolean isOK() { . // return this.status == 200; // } public Integer getStatus() { return status; } public void setStatus(Integer status) { this.status = status; } public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public Object getData() { return data; } public void setData(Object data) { this.data = data; } /** * 将json结果集转化为TaotaoResult对象 * * @param jsonData json数据 * @param clazz TaotaoResult中的object类型 * @return */ public static TaotaoResult formatToPojo(String jsonData, Class<?> clazz) { try { if (clazz == null) { return MAPPER.readValue(jsonData, TaotaoResult.class); } JsonNode jsonNode = MAPPER.readTree(jsonData); JsonNode data = jsonNode.get("data"); Object obj = null; if (clazz != null) { if (data.isObject()) { obj = MAPPER.readValue(data.traverse(), clazz); } else if (data.isTextual()) { obj = MAPPER.readValue(data.asText(), clazz); } } return build(jsonNode.get("status").intValue(), jsonNode.get("msg").asText(), obj); } catch (Exception e) { return null; } } /** * 没有object对象的转化 * * @param json * @return */ public static TaotaoResult format(String json) { try { return MAPPER.readValue(json, TaotaoResult.class); } catch (Exception e) { e.printStackTrace(); } return null; } /** * Object是集合转化 * * @param jsonData json数据 * @param clazz 集合中的类型 * @return */ public static TaotaoResult formatToList(String jsonData, Class<?> clazz) { try { JsonNode jsonNode = MAPPER.readTree(jsonData); JsonNode data = jsonNode.get("data"); Object obj = null; if (data.isArray() && data.size() > 0) { obj = MAPPER.readValue(data.traverse(), MAPPER.getTypeFactory().constructCollectionType(List.class, clazz)); } return build(jsonNode.get("status").intValue(), jsonNode.get("msg").asText(), obj); } catch (Exception e) { return null; } } } ##11.jedis操作
package com.taotao.jedis; public interface JedisClient { String set(String key, String value); String get(String key); Boolean exists(String key); Long expire(String key, int seconds); Long ttl(String key); Long incr(String key); Long hset(String key, String field, String value); String hget(String key, String field); Long hdel(String key, String... field); } package com.taotao.jedis; import org.springframework.beans.factory.annotation.Autowired; import redis.clients.jedis.JedisCluster; public class JedisClientCluster implements JedisClient { @Autowired private JedisCluster jedisCluster; @Override public String set(String key, String value) { return jedisCluster.set(key, value); } @Override public String get(String key) { return jedisCluster.get(key); } @Override public Boolean exists(String key) { return jedisCluster.exists(key); } @Override public Long expire(String key, int seconds) { return jedisCluster.expire(key, seconds); } @Override public Long ttl(String key) { return jedisCluster.ttl(key); } @Override public Long incr(String key) { return jedisCluster.incr(key); } @Override public Long hset(String key, String field, String value) { return jedisCluster.hset(key, field, value); } @Override public String hget(String key, String field) { return jedisCluster.hget(key, field); } @Override public Long hdel(String key, String... field) { return jedisCluster.hdel(key, field); } } package com.taotao.jedis; import org.springframework.beans.factory.annotation.Autowired; import redis.clients.jedis.Jedis; import redis.clients.jedis.JedisPool; public class JedisClientPool implements JedisClient { @Autowired private JedisPool jedisPool; @Override public String set(String key, String value) { Jedis jedis = jedisPool.getResource(); String result = jedis.set(key, value); jedis.close(); return result; } @Override public String get(String key) { Jedis jedis = jedisPool.getResource(); String result = jedis.get(key); jedis.close(); return result; } @Override public Boolean exists(String key) { Jedis jedis = jedisPool.getResource(); Boolean result = jedis.exists(key); jedis.close(); return result; } @Override public Long expire(String key, int seconds) { Jedis jedis = jedisPool.getResource(); Long result = jedis.expire(key, seconds); jedis.close(); return result; } @Override public Long ttl(String key) { Jedis jedis = jedisPool.getResource(); Long result = jedis.ttl(key); jedis.close(); return result; } @Override public Long incr(String key) { Jedis jedis = jedisPool.getResource(); Long result = jedis.incr(key); jedis.close(); return result; } @Override public Long hset(String key, String field, String value) { Jedis jedis = jedisPool.getResource(); Long result = jedis.hset(key, field, value); jedis.close(); return result; } @Override public String hget(String key, String field) { Jedis jedis = jedisPool.getResource(); String result = jedis.hget(key, field); jedis.close(); return result; } @Override public Long hdel(String key, String... field) { Jedis jedis = jedisPool.getResource(); Long result = jedis.hdel(key, field); jedis.close(); return result; } } 
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