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cookieString 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cookieString 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.cndomainName = "." + domains[len - 3] + "." + domains[len - 2] + "." + domains[len - 1];} else if (len <= 3 && len > 1) {// xxx.com or xxx.cndomainName = "." + 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 相关包及文档下载

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uriURIBuilder 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200if (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 blocke.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 blocke.printStackTrace();}}return resultString;}
}

4.FastDFSClient工具类 相关包以及文档下载

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);}
}

public class FastDFSTest {@Testpublic 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nullStorageServer 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);}}
}

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 2015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"));  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0String 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0String 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);
}


```java
package com.taotao.jedis;import org.springframework.beans.factory.annotation.Autowired;import redis.clients.jedis.JedisCluster;public class JedisClientCluster implements JedisClient {@Autowiredprivate JedisCluster jedisCluster;@Overridepublic String set(String key, String value) {return jedisCluster.set(key, value);}@Overridepublic String get(String key) {return jedisCluster.get(key);}@Overridepublic Boolean exists(String key) {return jedisCluster.exists(key);}@Overridepublic Long expire(String key, int seconds) {return jedisCluster.expire(key, seconds);}@Overridepublic Long ttl(String key) {return jedisCluster.ttl(key);}@Overridepublic Long incr(String key) {return jedisCluster.incr(key);}@Overridepublic Long hset(String key, String field, String value) {return jedisCluster.hset(key, field, value);}@Overridepublic String hget(String key, String field) {return jedisCluster.hget(key, field);}@Overridepublic Long hdel(String key, String... field) {return jedisCluster.hdel(key, field);}}


```java
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 {@Autowiredprivate JedisPool jedisPool;@Overridepublic String set(String key, String value) {Jedis jedis = jedisPool.getResource();String result = jedis.set(key, value);jedis.close();return result;}@Overridepublic String get(String key) {Jedis jedis = jedisPool.getResource();String result = jedis.get(key);jedis.close();return result;}@Overridepublic Boolean exists(String key) {Jedis jedis = jedisPool.getResource();Boolean result = jedis.exists(key);jedis.close();return result;}@Overridepublic Long expire(String key, int seconds) {Jedis jedis = jedisPool.getResource();Long result = jedis.expire(key, seconds);jedis.close();return result;}@Overridepublic Long ttl(String key) {Jedis jedis = jedisPool.getResource();Long result = jedis.ttl(key);jedis.close();return result;}@Overridepublic Long incr(String key) {Jedis jedis = jedisPool.getResource();Long result = jedis.incr(key);jedis.close();return result;}@Overridepublic Long hset(String key, String field, String value) {Jedis jedis = jedisPool.getResource();Long result = jedis.hset(key, field, value);jedis.close();return result;}@Overridepublic String hget(String key, String field) {Jedis jedis = jedisPool.getResource();String result = jedis.hget(key, field);jedis.close();return result;}@Overridepublic Long hdel(String key, String... field) {Jedis jedis = jedisPool.getResource();Long result = jedis.hdel(key, field);jedis.close();return result;}}

————————————————
版权声明：本文为CSDN博主「MC-闰土」的原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接及本声明。
原文链接：https://blog.csdn.net/qq_22075041/article/details/77431915

一些常用java工具类相关推荐

  1. 常用Java工具类：java抽奖码生成

    本案要求生成10W条由大写字母加数字组成的抽奖码. 由要求得字符集为:ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789 为保证数据不重复,且不可破解的要求.阿咚使用5位的随机字 ...

  2. java中常用的工具类

    1. 常用零散工具类 1.1[DateUtil.java]日期处理的工具类 /*** 时间日期处理工具* String -> Date* Date -> String* 以及生成含有日期的 ...

  3. java并发编程中常用的工具类 Executor

    /***************************************************  * TODO: description .  * @author: gao_chun  * ...

  4. java常用工具类和Hutool常用的工具类整理

    java常用工具类和Hutool常用的工具类整理 1.java常用工具类 1.1 Scanner类 /*** Scanner 类*/@Testpublic void testScanner() {Sc ...

  5. java工具类怎么写_常用的Java工具类——十六种

    常用的Java工具类--十六种 在Java中,工具类定义了一组公共方法,这篇文章将介绍Java中使用最频繁及最通用的Java工具类.以下工具类.方法按使用流行度排名,参考数据来源于Github上随机选 ...

  6. java web 项目 常用 小工具类 ~~~~

    java web 项目 常用 小工具类 ~~~~ 一 .DateUtil  日期工具类 package com.devframe.common.util;import java.text.Simple ...

  7. （6）常用的Java工具类

    目录 前言: 第一部分:常用的16个工具类 一.org.apache.commons.io.IOUtils 二.org.apache.commons.io.FileUtils 三.org.apache ...

  8. Java常用加密算法工具类

    import java.io.IOException; import java.math.BigInteger; import java.security.MessageDigest; import ...

  9. 什么是java工具类_常用高效 Java 工具类总结

    一.前言 在Java中,工具类定义了一组公共方法,这篇文章将介绍Java中使用最频繁及最通用的Java工具类.以下工具类.方法按使用流行度排名,参考数据来源于Github上随机选取的5万个开源项目源码 ...

最新文章

  1. “一束光”让机器人也能拥有触觉？之江实验室这项技术惊艳世界
  2. 理解JavaScript面向对象的思路
  3. zabbix配置邮箱报警
  4. 手把手带你爬虫 | 爬取语录大全
  5. Spring Boot （七）MyBatis代码自动生成和辅助插件
  6. No result defined for action action.LoginAction and result success 问题解决
  7. 关于徒手脱壳的几种方法
  8. 百面机器学习—8.概率图模型之HMM模型
  9. amazon aws ip check
  10. 奇迹1.03H服务端开服架设文件Data文件详解
  11. cefsharp修改html,C#使用 CefSharp采集网页源代码
  12. cad补全三视图_cad补画三视图练习题.doc
  13. 2021-08-26小白笔记
  14. Echarts图表隐藏X轴和Y轴
  15. F1DC2706双模数据透传蓝牙模块AT指令使用介绍
  16. 怎么把exe转成手机的可执行文件
  17. 导航装备便携式综合测试工装
  18. c 语言计算器带括号优先级,C++结合QT实现带有优先级的计算器功能
  19. 25 Top UI Tools for User Interface Engineers
  20. 【嵌入式开发板】迅为iTOP-4412开发板板及资料介绍

热门文章

  1. Myeclipse中导入字体颜色设置的epf…
  2. 八、边缘保留滤波(EPF)
  3. python递归函数定义_Python 递归函数
  4. java循环语句有哪三类_java中的循环语句有哪些
  5. MySQL：limit分页公式、总页数公式
  6. 【精简版】计算机原理
  7. medoo支持的php版本,Medoo入门：安装和配置-Medoo使用指南
  8. 2021华东杯华中杯数学建模思路论文群6
  9. 在win7下制作MAC启动u盘
  10. 用python生成邮件正文html表格