diff --git a/pom.xml b/pom.xml index db86383..10eb0e8 100644 --- a/pom.xml +++ b/pom.xml @@ -149,6 +149,11 @@ poi-ooxml ${poi-ooxml.version} + + com.auth0 + java-jwt + 3.7.0 + diff --git a/src/main/java/com/xkrs/common/tool/JwtUtil.java b/src/main/java/com/xkrs/common/tool/JwtUtil.java new file mode 100644 index 0000000..04f4cd2 --- /dev/null +++ b/src/main/java/com/xkrs/common/tool/JwtUtil.java @@ -0,0 +1,94 @@ +package com.xkrs.common.tool; + +import com.auth0.jwt.JWT; +import com.auth0.jwt.JWTVerifier; +import com.auth0.jwt.algorithms.Algorithm; +import com.auth0.jwt.exceptions.JWTDecodeException; +import com.auth0.jwt.interfaces.DecodedJWT; + +import javax.servlet.http.HttpServletRequest; +import java.util.Date; + +/** + * @Author Scott + * @Date 2018-07-12 14:23 + * @Desc JWT工具类 + **/ +public class JwtUtil { + + /** + * Token过期时间30分钟(用户登录过期时间是此时间的两倍,以token在reids缓存时间为准) + */ + public static final long EXPIRE_TIME = 30 * 60 * 1000; + + /** + * 校验token是否正确 + * + * @param token 密钥 + * @param secret 用户的密码 + * @return 是否正确 + */ + public static boolean verify(String token, String username, String secret) { + try { + // 根据密码生成JWT效验器 + Algorithm algorithm = Algorithm.HMAC256(secret); + JWTVerifier verifier = JWT.require(algorithm).withClaim("username", username).build(); + // 效验TOKEN + DecodedJWT jwt = verifier.verify(token); + return true; + } catch (Exception exception) { + return false; + } + } + + /** + * 获得token中的信息无需secret解密也能获得 + * + * @return token中包含的用户名 + */ + public static String getUsername(String token) { + try { + DecodedJWT jwt = JWT.decode(token); + return jwt.getClaim("username").asString(); + } catch (JWTDecodeException e) { + return null; + } + } + + /** + * 生成签名,5min后过期 + * + * @param username 用户名 + * @param secret 用户的密码 + * @return 加密的token + */ + public static String sign(String username, String secret) { + Date date = new Date(System.currentTimeMillis() + EXPIRE_TIME); + Algorithm algorithm = Algorithm.HMAC256(secret); + // 附带username信息 + return JWT.create().withClaim("username", username).withExpiresAt(date).sign(algorithm); + + } + + /** + * 根据request中的token获取用户账号 + * + * @param request + * @return + * @throws + */ + public static String getUserNameByToken(HttpServletRequest request){ + String accessToken = request.getHeader("Authorization"); + if(accessToken ==null){ + return null; + } + String username = getUsername(accessToken); + return username; + } + + public static void main(String[] args) { + String token = "eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJleHAiOjE1NjUzMzY1MTMsInVzZXJuYW1lIjoiYWRtaW4ifQ.xjhud_tWCNYBOg_aRlMgOdlZoWFFKB_givNElHNw3X0"; + System.out.println(JwtUtil.getUsername(token)); + + } +} diff --git a/src/main/java/com/xkrs/controller/AppletsUserController.java b/src/main/java/com/xkrs/controller/AppletsUserController.java new file mode 100644 index 0000000..f03b8d3 --- /dev/null +++ b/src/main/java/com/xkrs/controller/AppletsUserController.java @@ -0,0 +1,46 @@ +package com.xkrs.controller; + +import com.xkrs.service.AppletsUserService; +import org.springframework.web.bind.annotation.PostMapping; +import org.springframework.web.bind.annotation.RequestBody; +import org.springframework.web.bind.annotation.RestController; + +import javax.annotation.Resource; +import java.util.Map; + +/** + * @author HP + */ +@RestController +public class AppletsUserController { + + @Resource + private AppletsUserService appletsUserService; + + /** + * 微信小程序登录 + * @param map + * @return + */ + @PostMapping("/userLogin") + public String userLogin(@RequestBody Map map){ + String avatarUrl = (String) map.get("avatarUrl"); + String nickName = (String) map.get("nickName"); + Integer sex = (Integer) map.get("sex"); + String code = (String) map.get("code"); + return appletsUserService.userLogin(avatarUrl,nickName,sex,code); + } + + /** + * 解析手机号 + * @param map + * @return + */ + @PostMapping("/decodePhone") + public String decodePhone(@RequestBody Map map){ + String encryptedData = (String) map.get("encryptedData"); + String iv = (String) map.get("iv"); + String openId = (String) map.get("openId"); + return appletsUserService.decodePhone(encryptedData,iv,openId); + } +} diff --git a/src/main/java/com/xkrs/dao/AppletsUserDao.java b/src/main/java/com/xkrs/dao/AppletsUserDao.java new file mode 100644 index 0000000..83070c9 --- /dev/null +++ b/src/main/java/com/xkrs/dao/AppletsUserDao.java @@ -0,0 +1,39 @@ +package com.xkrs.dao; + +import com.xkrs.model.entity.AppletsUser; +import org.springframework.data.jpa.repository.JpaRepository; +import org.springframework.data.jpa.repository.Modifying; +import org.springframework.data.jpa.repository.Query; +import org.springframework.stereotype.Component; + +/** + * @author XinYi Song + */ +@Component +public interface AppletsUserDao extends JpaRepository { + + /** + * 根据openid查询用户信息 + * @param openId + * @return + */ + AppletsUser findByOpenId(String openId); + + /** + * 根据用户id修改SessionKey + * @param userId + * @param SessionKey + */ + @Query(value = "update applets_user set session_key = ?2 where id = ?1",nativeQuery = true) + @Modifying(clearAutomatically=true) + void updateSessionKey(Integer userId,String SessionKey); + + /** + * 根据openId修改手机号 + * @param openId + * @param phone + */ + @Query(value = "update applets_user set user_phone = ?2 where open_id = ?1",nativeQuery = true) + @Modifying(clearAutomatically=true) + void updatePhone(String openId,String phone); +} diff --git a/src/main/java/com/xkrs/dao/SysUserDao.java b/src/main/java/com/xkrs/dao/SysUserDao.java index 8f91591..673b6d1 100644 --- a/src/main/java/com/xkrs/dao/SysUserDao.java +++ b/src/main/java/com/xkrs/dao/SysUserDao.java @@ -127,4 +127,11 @@ public interface SysUserDao extends JpaRepository { */ @Query(value = "select * from sys_user where id = ?",nativeQuery = true) SysUserEntity selectByUserId(Integer userId); + + /** + * 根据openId查询用户的信息 + * @param openId + * @return + */ + SysUserEntity findByOpenId(String openId); } diff --git a/src/main/java/com/xkrs/model/entity/AppletsUser.java b/src/main/java/com/xkrs/model/entity/AppletsUser.java new file mode 100644 index 0000000..b27aa75 --- /dev/null +++ b/src/main/java/com/xkrs/model/entity/AppletsUser.java @@ -0,0 +1,153 @@ +package com.xkrs.model.entity; + +import javax.persistence.*; +import java.time.LocalDateTime; + +/** + * 小程序用户表 + * @author XinYi Song + */ +@Entity +@Table(name="applets_user") +public class AppletsUser { + + /** + * 指定主键,建立自增序列,主键值取自序列 + */ + @Id + @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "applets_user_seq_gen") + @SequenceGenerator(name = "applets_user_seq_gen", sequenceName = "applets_user_id_seq",allocationSize = 1) + private Integer id; + + /** 昵称 */ + @Column(length = 65,columnDefinition = "varchar(65)") + private String nickName; + + /** 手机号 */ + @Column(length = 65,columnDefinition = "varchar(65)") + private String userPhone; + + /** 用户头像 */ + private String userPhoto; + + /** 性别 */ + @Column(length = 55,columnDefinition = "varchar(55)") + private String userSex; + + /** openid */ + private String openId; + + /** sessionKey */ + private String sessionKey; + + private Integer code; + + private String token; + + private LocalDateTime lastEntryTime; + + @Column(columnDefinition = "varchar(64)") + private String lastEntryIp; + + public AppletsUser() { + } + + public AppletsUser(Integer id, String nickName, String userPhone, String userPhoto, String userSex, String openId, String sessionKey, Integer code, String token) { + this.id = id; + this.nickName = nickName; + this.userPhone = userPhone; + this.userPhoto = userPhoto; + this.userSex = userSex; + this.openId = openId; + this.sessionKey = sessionKey; + this.code = code; + this.token = token; + } + + public Integer getId() { + return id; + } + + public void setId(Integer id) { + this.id = id; + } + + public String getNickName() { + return nickName; + } + + public void setNickName(String nickName) { + this.nickName = nickName; + } + + public String getUserPhone() { + return userPhone; + } + + public void setUserPhone(String userPhone) { + this.userPhone = userPhone; + } + + public String getUserPhoto() { + return userPhoto; + } + + public void setUserPhoto(String userPhoto) { + this.userPhoto = userPhoto; + } + + public String getUserSex() { + return userSex; + } + + public void setUserSex(String userSex) { + this.userSex = userSex; + } + + public String getOpenId() { + return openId; + } + + public void setOpenId(String openId) { + this.openId = openId; + } + + public String getSessionKey() { + return sessionKey; + } + + public void setSessionKey(String sessionKey) { + this.sessionKey = sessionKey; + } + + public Integer getCode() { + return code; + } + + public void setCode(Integer code) { + this.code = code; + } + + public String getToken() { + return token; + } + + public void setToken(String token) { + this.token = token; + } + + @Override + public String toString() { + return "AppletsUser{" + + "id=" + id + + ", nickName='" + nickName + '\'' + + ", userPhone='" + userPhone + '\'' + + ", userPhoto='" + userPhoto + '\'' + + ", userSex='" + userSex + '\'' + + ", openId='" + openId + '\'' + + ", sessionKey='" + sessionKey + '\'' + + ", code=" + code + + ", token='" + token + '\'' + + '}'; + } +} diff --git a/src/main/java/com/xkrs/model/entity/SysUserEntity.java b/src/main/java/com/xkrs/model/entity/SysUserEntity.java index fd02d3c..dd3a2c4 100644 --- a/src/main/java/com/xkrs/model/entity/SysUserEntity.java +++ b/src/main/java/com/xkrs/model/entity/SysUserEntity.java @@ -71,6 +71,9 @@ public class SysUserEntity implements Serializable { @Column(columnDefinition = "varchar(64)") private String lastEntryIp; + @Column(columnDefinition = "varchar(88)") + private String openId; + public Integer getId() { return id; } @@ -183,6 +186,14 @@ public class SysUserEntity implements Serializable { this.lastEntryIp = lastEntryIp; } + public String getOpenId() { + return openId; + } + + public void setOpenId(String openId) { + this.openId = openId; + } + @Override public String toString() { return "SysUserEntity{" + @@ -200,6 +211,7 @@ public class SysUserEntity implements Serializable { ", lastEntryTime=" + lastEntryTime + ", deleteFlag=" + deleteFlag + ", lastEntryIp='" + lastEntryIp + '\'' + + ", openId='" + openId + '\'' + '}'; } } diff --git a/src/main/java/com/xkrs/service/AppletsUserService.java b/src/main/java/com/xkrs/service/AppletsUserService.java new file mode 100644 index 0000000..a0c8368 --- /dev/null +++ b/src/main/java/com/xkrs/service/AppletsUserService.java @@ -0,0 +1,26 @@ +package com.xkrs.service; + +/** + * @author XinYi Song + */ +public interface AppletsUserService { + + /** + * 用户小程序登录 + * @param avatarUrl 头像 + * @param nickName 昵称 + * @param sex 性别 + * @param code + * @return + */ + String userLogin(String avatarUrl,String nickName,Integer sex,String code); + + /** + * 解析手机号 + * @param encryptedData + * @param iv + * @param openId + * @return + */ + String decodePhone(String encryptedData,String iv,String openId); +} diff --git a/src/main/java/com/xkrs/service/impl/AppletsUserServiceImpl.java b/src/main/java/com/xkrs/service/impl/AppletsUserServiceImpl.java new file mode 100644 index 0000000..f43371f --- /dev/null +++ b/src/main/java/com/xkrs/service/impl/AppletsUserServiceImpl.java @@ -0,0 +1,157 @@ +package com.xkrs.service.impl; + +import com.alibaba.fastjson.JSON; +import com.alibaba.fastjson.JSONObject; +import com.xkrs.common.encapsulation.PromptMessageEnum; +import com.xkrs.common.tool.JwtUtil; +import com.xkrs.dao.AppletsUserDao; +import com.xkrs.model.entity.AppletsUser; +import com.xkrs.service.AppletsUserService; +import com.xkrs.utils.DecodeUtils; +import com.xkrs.utils.HttpClientUtil; +import io.micrometer.core.instrument.util.StringUtils; +import org.slf4j.Logger; +import org.slf4j.LoggerFactory; +import org.springframework.context.i18n.LocaleContextHolder; +import org.springframework.stereotype.Service; + +import javax.annotation.Resource; +import javax.transaction.Transactional; +import java.util.HashMap; +import java.util.Locale; +import java.util.Map; + +import static com.xkrs.common.encapsulation.OutputEncapsulation.outputEncapsulationObject; + +/** + * @author HP + */ +@Service +public class AppletsUserServiceImpl implements AppletsUserService { + public static Logger log = LoggerFactory.getLogger(AppletsUserServiceImpl.class); + + @Resource + private AppletsUserDao appletsUserDao; + + @Resource + private DecodeUtils decodeUtils; + + /** + * 用户登录 + * @param avatarUrl 头像 + * @param nickName 昵称 + * @param sex 性别 + * @param code wx.login()获取的 + * @return + */ + @Transactional(rollbackOn = Exception.class) + @Override + public String userLogin(String avatarUrl, String nickName, Integer sex, String code) { + Locale locale = LocaleContextHolder.getLocale(); + try { + log.info("进入微信登录实现方法----------------->"); + String sexs = sex + ""; + // 创建Httpclient对象 + String requestUrl = "https://api.weixin.qq.com/sns/jscode2session"; + Map requestUrlParam = new HashMap<>(); + //小程序appId + requestUrlParam.put("appid","wxcdd789a27dd7dace"); + //小程序secret + requestUrlParam.put("secret","78436fda2488c08d4a3744bfd1613265"); + //小程序端返回的code + requestUrlParam.put("js_code",code); + //默认参数 + requestUrlParam.put("grant_type","authorization_code"); + JSONObject jsonObject = JSON.parseObject(HttpClientUtil.doPost(requestUrl, requestUrlParam)); + // 解析json + //JSONObject jsonObject = (JSONObject) JSONObject.parse(resultString); + String sessionKeys = jsonObject.get("session_key").toString(); + log.info("sessionKey-------"+sessionKeys); + String openId = jsonObject.get("openid").toString(); + //校验openId是否有效 + if (StringUtils.isBlank(openId) || StringUtils.isBlank(sessionKeys)) { + return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,"用户登陆失败",locale); + } + //以unionId去查是否存在用户,如果存在修改用户信息并返回 + AppletsUser appletsUser = appletsUserDao.findByOpenId(openId); + if (appletsUser != null) { + appletsUser.setSessionKey(sessionKeys); + appletsUserDao.updateSessionKey(appletsUser.getId(),sessionKeys); + //设置token + log.info("====="+appletsUser.getId()); + String token = JwtUtil.sign(appletsUser.getNickName(), sessionKeys); + Map map = new HashMap(3); + map.put("token",token); + map.put("openId",appletsUser.getOpenId()); + map.put("session_key",sessionKeys); + return outputEncapsulationObject(PromptMessageEnum.SUCCESS,map,locale); + }else{ + AppletsUser appletsUser1 = new AppletsUser(); + appletsUser1.setNickName(nickName); + appletsUser1.setUserPhoto(avatarUrl); + appletsUser1.setUserSex(sexs); + appletsUser1.setOpenId(openId); + appletsUser1.setSessionKey(sessionKeys); + //新增用户信息 + if (appletsUserDao.save(appletsUser1) != null) { + log.info("插入用户成功------------>"); + System.out.println("拿到userId----------------------->"+appletsUser1.getId()); + //设置token + String token = JwtUtil.sign(appletsUser1.getNickName(), appletsUser1.getSessionKey()); + Map map = new HashMap(3); + map.put("token",token); + map.put("openId",appletsUser1.getOpenId()); + map.put("session_key",appletsUser1.getSessionKey()); + return outputEncapsulationObject(PromptMessageEnum.SUCCESS,map,locale); + } else { + return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,"微信登录失败,请稍后重试",locale); + } + } + } catch (Exception e) { + e.printStackTrace(); + } + return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,"微信登录失败,请稍后重试",locale); + } + + /** + * 解析手机号 + * @param encryptedData + * @param iv + * @param openId + * @return + */ + @Transactional(rollbackOn = Exception.class) + @Override + public String decodePhone(String encryptedData, String iv, String openId) { + Locale locale = LocaleContextHolder.getLocale(); + log.info("进入解密手机号实现方法------------->"); + try { + //通过userId获取用户信息用于解密手机号 + AppletsUser appletsUser = appletsUserDao.findByOpenId(openId); + if (null == appletsUser) { + return outputEncapsulationObject(PromptMessageEnum.DATA_WRONG,"用户信息错误,请稍后重试",locale); + } + if (StringUtils.isNotBlank(appletsUser.getUserPhone())) { + //以userId作为redisKey存入redis并设置有效时间为半小时 + //redisClient.set(tourismUser.getTourismId(), tourismUser.getUserPhone(), 1800); + return outputEncapsulationObject(PromptMessageEnum.SUCCESS,"获取用户手机号成功",locale); + } + // 用于解密手机号的sessionKey + String sessionKey = appletsUser.getSessionKey(); + //解密获得手机号 + JSONObject jsonObject = decodeUtils.wxDecrypt(encryptedData, sessionKey, iv); + String phone = jsonObject.getString("phoneNumber"); + if (StringUtils.isNotEmpty(phone)) { + log.info("用户手机号为--------->" + phone); + //插入用户手机号 + appletsUserDao.updatePhone(openId,phone); + log.info("插入用户手机号成功----------->"); + //redisClient.set(tourismUser.getTourismId(), phone, 1800); + return outputEncapsulationObject(PromptMessageEnum.SUCCESS,"获取用户手机号成功",locale); + } + } catch (Exception e) { + e.printStackTrace(); + } + return outputEncapsulationObject(PromptMessageEnum.PROCESS_FAIL,"获取手机号失败",locale); + } +} diff --git a/src/main/java/com/xkrs/utils/DecodeUtils.java b/src/main/java/com/xkrs/utils/DecodeUtils.java new file mode 100644 index 0000000..cf4f24b --- /dev/null +++ b/src/main/java/com/xkrs/utils/DecodeUtils.java @@ -0,0 +1,82 @@ +package com.xkrs.utils; + +import com.alibaba.fastjson.JSONObject; +import org.apache.tomcat.util.codec.binary.Base64; +import org.bouncycastle.jce.provider.BouncyCastleProvider; +import org.springframework.stereotype.Component; + +import javax.crypto.Cipher; +import javax.crypto.KeyGenerator; +import javax.crypto.spec.IvParameterSpec; +import javax.crypto.spec.SecretKeySpec; +import java.security.AlgorithmParameters; +import java.security.Key; +import java.security.Security; + +/** + * 解密工具类 + * + * @Author duyongmeng + * @Time 2020/11/10 + */ +@Component +public class DecodeUtils { + // 算法名 + public static final String KEY_NAME = "AES"; + // 加解密算法/模式/填充方式 + // ECB模式只用密钥即可对数据进行加密解密,CBC模式需要添加一个iv + public static final String CIPHER_ALGORITHM = "AES/CBC/PKCS7Padding"; + + /** + * @param encrypted 目标密文 + * @param session_key 会话ID + * @param iv 加密算法的初始向量 + */ + public JSONObject wxDecrypt(String encrypted, String session_key, String iv) { + String json; + JSONObject jsonObject = null; + byte[] encrypted64 = Base64.decodeBase64(encrypted); + byte[] key64 = Base64.decodeBase64(session_key); + byte[] iv64 = Base64.decodeBase64(iv); + byte[] data; + try { + init(); + json = new String(decrypt(encrypted64, key64, generateIV(iv64))); + jsonObject = JSONObject.parseObject(json); + } catch (Exception e) { + e.printStackTrace(); + } + return jsonObject; + } + + /** + * 初始化密钥 + */ + public static void init() throws Exception { + Security.addProvider(new BouncyCastleProvider()); + KeyGenerator.getInstance(KEY_NAME).init(128); + } + + /** + * 生成iv + */ + public static AlgorithmParameters generateIV(byte[] iv) throws Exception { + // iv 为一个 16 字节的数组,这里采用和 iOS 端一样的构造方法,数据全为0 + // Arrays.fill(iv, (byte) 0x00); + AlgorithmParameters params = AlgorithmParameters.getInstance(KEY_NAME); + params.init(new IvParameterSpec(iv)); + return params; + } + + /** + * 生成解密 + */ + public static byte[] decrypt(byte[] encryptedData, byte[] keyBytes, AlgorithmParameters iv) + throws Exception { + Key key = new SecretKeySpec(keyBytes, KEY_NAME); + Cipher cipher = Cipher.getInstance(CIPHER_ALGORITHM); + // 设置为解密模式 + cipher.init(Cipher.DECRYPT_MODE, key, iv); + return cipher.doFinal(encryptedData); + } +} diff --git a/src/main/java/com/xkrs/utils/HttpClientUtil.java b/src/main/java/com/xkrs/utils/HttpClientUtil.java new file mode 100644 index 0000000..36473a9 --- /dev/null +++ b/src/main/java/com/xkrs/utils/HttpClientUtil.java @@ -0,0 +1,136 @@ +package com.xkrs.utils; + +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; + +import java.io.IOException; +import java.net.URI; +import java.util.ArrayList; +import java.util.List; +import java.util.Map; + +/** + * @author HP + */ +public class HttpClientUtil { + + public static String doGet(String url, Map 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 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 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) { + 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) { + e.printStackTrace(); + } + } + + return resultString; + } +}