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苍穹外卖初始化代码

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xuxin
2025-11-03 15:28:30 +08:00
commit 8af1d5503a
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53
sky-common/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<parent>
<artifactId>sky-take-out</artifactId>
<groupId>com.sky</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>sky-common</artifactId>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
</dependency>
<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-json</artifactId>
</dependency>
<dependency>
<groupId>io.jsonwebtoken</groupId>
<artifactId>jjwt</artifactId>
</dependency>
<!--支持配置属性类，yml文件中可以提示配置项-->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-configuration-processor</artifactId>
<optional>true</optional>
</dependency>
<dependency>
<groupId>com.aliyun.oss</groupId>
<artifactId>aliyun-sdk-oss</artifactId>
</dependency>
<dependency>
<groupId>javax.xml.bind</groupId>
<artifactId>jaxb-api</artifactId>
</dependency>
<!--微信支付-->
<dependency>
<groupId>com.github.wechatpay-apiv3</groupId>
<artifactId>wechatpay-apache-httpclient</artifactId>
</dependency>
</dependencies>
</project>

14
sky-common/src/main/java/com/sky/constant/AutoFillConstant.java Normal file
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package com.sky.constant;
/**
* 公共字段自动填充相关常量
*/
public class AutoFillConstant {
/**
* 实体类中的方法名称
*/
public static final String SET_CREATE_TIME = "setCreateTime";
public static final String SET_UPDATE_TIME = "setUpdateTime";
public static final String SET_CREATE_USER = "setCreateUser";
public static final String SET_UPDATE_USER = "setUpdateUser";
}

11
sky-common/src/main/java/com/sky/constant/JwtClaimsConstant.java Normal file
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package com.sky.constant;
public class JwtClaimsConstant {
public static final String EMP_ID = "empId";
public static final String USER_ID = "userId";
public static final String PHONE = "phone";
public static final String USERNAME = "username";
public static final String NAME = "name";
}

27
sky-common/src/main/java/com/sky/constant/MessageConstant.java Normal file
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package com.sky.constant;
/**
* 信息提示常量类
*/
public class MessageConstant {
public static final String PASSWORD_ERROR = "密码错误";
public static final String ACCOUNT_NOT_FOUND = "账号不存在";
public static final String ACCOUNT_LOCKED = "账号被锁定";
public static final String UNKNOWN_ERROR = "未知错误";
public static final String USER_NOT_LOGIN = "用户未登录";
public static final String CATEGORY_BE_RELATED_BY_SETMEAL = "当前分类关联了套餐,不能删除";
public static final String CATEGORY_BE_RELATED_BY_DISH = "当前分类关联了菜品,不能删除";
public static final String SHOPPING_CART_IS_NULL = "购物车数据为空，不能下单";
public static final String ADDRESS_BOOK_IS_NULL = "用户地址为空，不能下单";
public static final String LOGIN_FAILED = "登录失败";
public static final String UPLOAD_FAILED = "文件上传失败";
public static final String SETMEAL_ENABLE_FAILED = "套餐内包含未启售菜品，无法启售";
public static final String PASSWORD_EDIT_FAILED = "密码修改失败";
public static final String DISH_ON_SALE = "起售中的菜品不能删除";
public static final String SETMEAL_ON_SALE = "起售中的套餐不能删除";
public static final String DISH_BE_RELATED_BY_SETMEAL = "当前菜品关联了套餐,不能删除";
public static final String ORDER_STATUS_ERROR = "订单状态错误";
public static final String ORDER_NOT_FOUND = "订单不存在";
}

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sky-common/src/main/java/com/sky/constant/PasswordConstant.java Normal file
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package com.sky.constant;
/**
* 密码常量
*/
public class PasswordConstant {
public static final String DEFAULT_PASSWORD = "123456";
}

13
sky-common/src/main/java/com/sky/constant/StatusConstant.java Normal file
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package com.sky.constant;
/**
* 状态常量，启用或者禁用
*/
public class StatusConstant {
//启用
public static final Integer ENABLE = 1;
//禁用
public static final Integer DISABLE = 0;
}

19
sky-common/src/main/java/com/sky/context/BaseContext.java Normal file
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package com.sky.context;
public class BaseContext {
public static ThreadLocal<Long> threadLocal = new ThreadLocal<>();
public static void setCurrentId(Long id) {
threadLocal.set(id);
}
public static Long getCurrentId() {
return threadLocal.get();
}
public static void removeCurrentId() {
threadLocal.remove();
}
}

18
sky-common/src/main/java/com/sky/enumeration/OperationType.java Normal file
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package com.sky.enumeration;
/**
* 数据库操作类型
*/
public enum OperationType {
/**
* 更新操作
*/
UPDATE,
/**
* 插入操作
*/
INSERT
}

15
sky-common/src/main/java/com/sky/exception/AccountLockedException.java Normal file
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package com.sky.exception;
/**
* 账号被锁定异常
*/
public class AccountLockedException extends BaseException {
public AccountLockedException() {
}
public AccountLockedException(String msg) {
super(msg);
}
}

15
sky-common/src/main/java/com/sky/exception/AccountNotFoundException.java Normal file
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package com.sky.exception;
/**
* 账号不存在异常
*/
public class AccountNotFoundException extends BaseException {
public AccountNotFoundException() {
}
public AccountNotFoundException(String msg) {
super(msg);
}
}

9
sky-common/src/main/java/com/sky/exception/AddressBookBusinessException.java Normal file
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package com.sky.exception;
public class AddressBookBusinessException extends BaseException {
public AddressBookBusinessException(String msg) {
super(msg);
}
}

15
sky-common/src/main/java/com/sky/exception/BaseException.java Normal file
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package com.sky.exception;
/**
* 业务异常
*/
public class BaseException extends RuntimeException {
public BaseException() {
}
public BaseException(String msg) {
super(msg);
}
}

9
sky-common/src/main/java/com/sky/exception/DeletionNotAllowedException.java Normal file
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package com.sky.exception;
public class DeletionNotAllowedException extends BaseException {
public DeletionNotAllowedException(String msg) {
super(msg);
}
}

10
sky-common/src/main/java/com/sky/exception/LoginFailedException.java Normal file
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package com.sky.exception;
/**
* 登录失败
*/
public class LoginFailedException extends BaseException{
public LoginFailedException(String msg){
super(msg);
}
}

9
sky-common/src/main/java/com/sky/exception/OrderBusinessException.java Normal file
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package com.sky.exception;
public class OrderBusinessException extends BaseException {
public OrderBusinessException(String msg) {
super(msg);
}
}

12
sky-common/src/main/java/com/sky/exception/PasswordEditFailedException.java Normal file
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package com.sky.exception;
/**
* 密码修改失败异常
*/
public class PasswordEditFailedException extends BaseException{
public PasswordEditFailedException(String msg){
super(msg);
}
}

15
sky-common/src/main/java/com/sky/exception/PasswordErrorException.java Normal file
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package com.sky.exception;
/**
* 密码错误异常
*/
public class PasswordErrorException extends BaseException {
public PasswordErrorException() {
}
public PasswordErrorException(String msg) {
super(msg);
}
}

13
sky-common/src/main/java/com/sky/exception/SetmealEnableFailedException.java Normal file
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package com.sky.exception;
/**
* 套餐启用失败异常
*/
public class SetmealEnableFailedException extends BaseException {
public SetmealEnableFailedException(){}
public SetmealEnableFailedException(String msg){
super(msg);
}
}

9
sky-common/src/main/java/com/sky/exception/ShoppingCartBusinessException.java Normal file
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package com.sky.exception;
public class ShoppingCartBusinessException extends BaseException {
public ShoppingCartBusinessException(String msg) {
super(msg);
}
}

12
sky-common/src/main/java/com/sky/exception/UserNotLoginException.java Normal file
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package com.sky.exception;
public class UserNotLoginException extends BaseException {
public UserNotLoginException() {
}
public UserNotLoginException(String msg) {
super(msg);
}
}

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sky-common/src/main/java/com/sky/json/JacksonObjectMapper.java Normal file
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package com.sky.json;
import com.fasterxml.jackson.databind.DeserializationFeature;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalDateTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.deser.LocalTimeDeserializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalDateTimeSerializer;
import com.fasterxml.jackson.datatype.jsr310.ser.LocalTimeSerializer;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import static com.fasterxml.jackson.databind.DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES;
/**
* 对象映射器:基于jackson将Java对象转为json，或者将json转为Java对象
* 将JSON解析为Java对象的过程称为 [从JSON反序列化Java对象]
* 从Java对象生成JSON的过程称为 [序列化Java对象到JSON]
*/
public class JacksonObjectMapper extends ObjectMapper {
public static final String DEFAULT_DATE_FORMAT = "yyyy-MM-dd";
//public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm:ss";
public static final String DEFAULT_DATE_TIME_FORMAT = "yyyy-MM-dd HH:mm";
public static final String DEFAULT_TIME_FORMAT = "HH:mm:ss";
public JacksonObjectMapper() {
super();
//收到未知属性时不报异常
this.configure(FAIL_ON_UNKNOWN_PROPERTIES, false);
//反序列化时，属性不存在的兼容处理
this.getDeserializationConfig().withoutFeatures(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);
SimpleModule simpleModule = new SimpleModule()
.addDeserializer(LocalDateTime.class, new LocalDateTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
.addDeserializer(LocalDate.class, new LocalDateDeserializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
.addDeserializer(LocalTime.class, new LocalTimeDeserializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)))
.addSerializer(LocalDateTime.class, new LocalDateTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_TIME_FORMAT)))
.addSerializer(LocalDate.class, new LocalDateSerializer(DateTimeFormatter.ofPattern(DEFAULT_DATE_FORMAT)))
.addSerializer(LocalTime.class, new LocalTimeSerializer(DateTimeFormatter.ofPattern(DEFAULT_TIME_FORMAT)));
//注册功能模块 例如，可以添加自定义序列化器和反序列化器
this.registerModule(simpleModule);
}
}

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sky-common/src/main/java/com/sky/properties/AliOssProperties.java Normal file
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package com.sky.properties;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "sky.alioss")
@Data
public class AliOssProperties {
private String endpoint;
private String accessKeyId;
private String accessKeySecret;
private String bucketName;
}

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sky-common/src/main/java/com/sky/properties/JwtProperties.java Normal file
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package com.sky.properties;
import lombok.Data;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "sky.jwt")
@Data
public class JwtProperties {
/**
* 管理端员工生成jwt令牌相关配置
*/
private String adminSecretKey;
private long adminTtl;
private String adminTokenName;
/**
* 用户端微信用户生成jwt令牌相关配置
*/
private String userSecretKey;
private long userTtl;
private String userTokenName;
}

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sky-common/src/main/java/com/sky/properties/WeChatProperties.java Normal file
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package com.sky.properties;
import lombok.Data;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.stereotype.Component;
@Component
@ConfigurationProperties(prefix = "sky.wechat")
@Data
public class WeChatProperties {
private String appid; //小程序的appid
private String secret; //小程序的秘钥
private String mchid; //商户号
private String mchSerialNo; //商户API证书的证书序列号
private String privateKeyFilePath; //商户私钥文件
private String apiV3Key; //证书解密的密钥
private String weChatPayCertFilePath; //平台证书
private String notifyUrl; //支付成功的回调地址
private String refundNotifyUrl; //退款成功的回调地址
}

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sky-common/src/main/java/com/sky/result/PageResult.java Normal file
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package com.sky.result;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
import java.io.Serializable;
import java.util.List;
/**
* 封装分页查询结果
*/
@Data
@AllArgsConstructor
@NoArgsConstructor
public class PageResult implements Serializable {
private long total; //总记录数
private List records; //当前页数据集合
}

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sky-common/src/main/java/com/sky/result/Result.java Normal file
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package com.sky.result;
import lombok.Data;
import java.io.Serializable;
/**
* 后端统一返回结果
* @param <T>
*/
@Data
public class Result<T> implements Serializable {
private Integer code; //编码：1成功，0和其它数字为失败
private String msg; //错误信息
private T data; //数据
public static <T> Result<T> success() {
Result<T> result = new Result<T>();
result.code = 1;
return result;
}
public static <T> Result<T> success(T object) {
Result<T> result = new Result<T>();
result.data = object;
result.code = 1;
return result;
}
public static <T> Result<T> error(String msg) {
Result result = new Result();
result.msg = msg;
result.code = 0;
return result;
}
}

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sky-common/src/main/java/com/sky/utils/AliOssUtil.java Normal file
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package com.sky.utils;
import com.aliyun.oss.ClientException;
import com.aliyun.oss.OSS;
import com.aliyun.oss.OSSClientBuilder;
import com.aliyun.oss.OSSException;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import java.io.ByteArrayInputStream;
@Data
@AllArgsConstructor
@Slf4j
public class AliOssUtil {
private String endpoint;
private String accessKeyId;
private String accessKeySecret;
private String bucketName;
/**
* 文件上传
*
* @param bytes
* @param objectName
* @return
*/
public String upload(byte[] bytes, String objectName) {
// 创建OSSClient实例。
OSS ossClient = new OSSClientBuilder().build(endpoint, accessKeyId, accessKeySecret);
try {
// 创建PutObject请求。
ossClient.putObject(bucketName, objectName, new ByteArrayInputStream(bytes));
} catch (OSSException oe) {
System.out.println("Caught an OSSException, which means your request made it to OSS, "
+ "but was rejected with an error response for some reason.");
System.out.println("Error Message:" + oe.getErrorMessage());
System.out.println("Error Code:" + oe.getErrorCode());
System.out.println("Request ID:" + oe.getRequestId());
System.out.println("Host ID:" + oe.getHostId());
} catch (ClientException ce) {
System.out.println("Caught an ClientException, which means the client encountered "
+ "a serious internal problem while trying to communicate with OSS, "
+ "such as not being able to access the network.");
System.out.println("Error Message:" + ce.getMessage());
} finally {
if (ossClient != null) {
ossClient.shutdown();
}
}
//文件访问路径规则 https://BucketName.Endpoint/ObjectName
StringBuilder stringBuilder = new StringBuilder("https://");
stringBuilder
.append(bucketName)
.append(".")
.append(endpoint)
.append("/")
.append(objectName);
log.info("文件上传到:{}", stringBuilder.toString());
return stringBuilder.toString();
}
}

179
sky-common/src/main/java/com/sky/utils/HttpClientUtil.java Normal file
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package com.sky.utils;
import com.alibaba.fastjson.JSONObject;
import org.apache.http.NameValuePair;
import org.apache.http.client.config.RequestConfig;
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.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;
/**
* Http工具类
*/
public class HttpClientUtil {
static final int TIMEOUT_MSEC = 5 * 1000;
/**
* 发送GET方式请求
* @param url
* @param paramMap
* @return
*/
public static String doGet(String url,Map<String,String> paramMap){
// 创建Httpclient对象
CloseableHttpClient httpClient = HttpClients.createDefault();
String result = "";
CloseableHttpResponse response = null;
try{
URIBuilder builder = new URIBuilder(url);
if(paramMap != null){
for (String key : paramMap.keySet()) {
builder.addParameter(key,paramMap.get(key));
}
}
URI uri = builder.build();
//创建GET请求
HttpGet httpGet = new HttpGet(uri);
//发送请求
response = httpClient.execute(httpGet);
//判断响应状态
if(response.getStatusLine().getStatusCode() == 200){
result = EntityUtils.toString(response.getEntity(),"UTF-8");
}
}catch (Exception e){
e.printStackTrace();
}finally {
try {
response.close();
httpClient.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return result;
}
/**
* 发送POST方式请求
* @param url
* @param paramMap
* @return
* @throws IOException
*/
public static String doPost(String url, Map<String, String> paramMap) throws IOException {
// 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 (paramMap != null) {
List<NameValuePair> paramList = new ArrayList();
for (Map.Entry<String, String> param : paramMap.entrySet()) {
paramList.add(new BasicNameValuePair(param.getKey(), param.getValue()));
}
// 模拟表单
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(paramList);
httpPost.setEntity(entity);
}
httpPost.setConfig(builderRequestConfig());
// 执行http请求
response = httpClient.execute(httpPost);
resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
} catch (Exception e) {
throw e;
} finally {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
/**
* 发送POST方式请求
* @param url
* @param paramMap
* @return
* @throws IOException
*/
public static String doPost4Json(String url, Map<String, String> paramMap) throws IOException {
// 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);
if (paramMap != null) {
//构造json格式数据
JSONObject jsonObject = new JSONObject();
for (Map.Entry<String, String> param : paramMap.entrySet()) {
jsonObject.put(param.getKey(),param.getValue());
}
StringEntity entity = new StringEntity(jsonObject.toString(),"utf-8");
//设置请求编码
entity.setContentEncoding("utf-8");
//设置数据类型
entity.setContentType("application/json");
httpPost.setEntity(entity);
}
httpPost.setConfig(builderRequestConfig());
// 执行http请求
response = httpClient.execute(httpPost);
resultString = EntityUtils.toString(response.getEntity(), "UTF-8");
} catch (Exception e) {
throw e;
} finally {
try {
response.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return resultString;
}
private static RequestConfig builderRequestConfig() {
return RequestConfig.custom()
.setConnectTimeout(TIMEOUT_MSEC)
.setConnectionRequestTimeout(TIMEOUT_MSEC)
.setSocketTimeout(TIMEOUT_MSEC).build();
}
}

58
sky-common/src/main/java/com/sky/utils/JwtUtil.java Normal file
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package com.sky.utils;
import io.jsonwebtoken.Claims;
import io.jsonwebtoken.JwtBuilder;
import io.jsonwebtoken.Jwts;
import io.jsonwebtoken.SignatureAlgorithm;
import java.nio.charset.StandardCharsets;
import java.util.Date;
import java.util.Map;
public class JwtUtil {
/**
* 生成jwt
* 使用Hs256算法, 私匙使用固定秘钥
*
* @param secretKey jwt秘钥
* @param ttlMillis jwt过期时间(毫秒)
* @param claims 设置的信息
* @return
*/
public static String createJWT(String secretKey, long ttlMillis, Map<String, Object> claims) {
// 指定签名的时候使用的签名算法，也就是header那部分
SignatureAlgorithm signatureAlgorithm = SignatureAlgorithm.HS256;
// 生成JWT的时间
long expMillis = System.currentTimeMillis() + ttlMillis;
Date exp = new Date(expMillis);
// 设置jwt的body
JwtBuilder builder = Jwts.builder()
// 如果有私有声明，一定要先设置这个自己创建的私有的声明，这个是给builder的claim赋值，一旦写在标准的声明赋值之后，就是覆盖了那些标准的声明的
.setClaims(claims)
// 设置签名使用的签名算法和签名使用的秘钥
.signWith(signatureAlgorithm, secretKey.getBytes(StandardCharsets.UTF_8))
// 设置过期时间
.setExpiration(exp);
return builder.compact();
}
/**
* Token解密
*
* @param secretKey jwt秘钥 此秘钥一定要保留好在服务端, 不能暴露出去, 否则sign就可以被伪造, 如果对接多个客户端建议改造成多个
* @param token 加密后的token
* @return
*/
public static Claims parseJWT(String secretKey, String token) {
// 得到DefaultJwtParser
Claims claims = Jwts.parser()
// 设置签名的秘钥
.setSigningKey(secretKey.getBytes(StandardCharsets.UTF_8))
// 设置需要解析的jwt
.parseClaimsJws(token).getBody();
return claims;
}
}

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package com.sky.utils;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.sky.properties.WeChatProperties;
import com.wechat.pay.contrib.apache.httpclient.WechatPayHttpClientBuilder;
import com.wechat.pay.contrib.apache.httpclient.util.PemUtil;
import org.apache.commons.lang.RandomStringUtils;
import org.apache.http.HttpHeaders;
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.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.util.EntityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.math.BigDecimal;
import java.security.PrivateKey;
import java.security.Signature;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Base64;
import java.util.List;
/**
* 微信支付工具类
*/
@Component
public class WeChatPayUtil {
//微信支付下单接口地址
public static final String JSAPI = "https://api.mch.weixin.qq.com/v3/pay/transactions/jsapi";
//申请退款接口地址
public static final String REFUNDS = "https://api.mch.weixin.qq.com/v3/refund/domestic/refunds";
@Autowired
private WeChatProperties weChatProperties;
/**
* 获取调用微信接口的客户端工具对象
*
* @return
*/
private CloseableHttpClient getClient() {
PrivateKey merchantPrivateKey = null;
try {
//merchantPrivateKey商户API私钥，如何加载商户API私钥请看常见问题
merchantPrivateKey = PemUtil.loadPrivateKey(new FileInputStream(new File(weChatProperties.getPrivateKeyFilePath())));
//加载平台证书文件
X509Certificate x509Certificate = PemUtil.loadCertificate(new FileInputStream(new File(weChatProperties.getWeChatPayCertFilePath())));
//wechatPayCertificates微信支付平台证书列表。你也可以使用后面章节提到的“定时更新平台证书功能”，而不需要关心平台证书的来龙去脉
List<X509Certificate> wechatPayCertificates = Arrays.asList(x509Certificate);
WechatPayHttpClientBuilder builder = WechatPayHttpClientBuilder.create()
.withMerchant(weChatProperties.getMchid(), weChatProperties.getMchSerialNo(), merchantPrivateKey)
.withWechatPay(wechatPayCertificates);
// 通过WechatPayHttpClientBuilder构造的HttpClient，会自动的处理签名和验签
CloseableHttpClient httpClient = builder.build();
return httpClient;
} catch (FileNotFoundException e) {
e.printStackTrace();
return null;
}
}
/**
* 发送post方式请求
*
* @param url
* @param body
* @return
*/
private String post(String url, String body) throws Exception {
CloseableHttpClient httpClient = getClient();
HttpPost httpPost = new HttpPost(url);
httpPost.addHeader(HttpHeaders.ACCEPT, ContentType.APPLICATION_JSON.toString());
httpPost.addHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString());
httpPost.addHeader("Wechatpay-Serial", weChatProperties.getMchSerialNo());
httpPost.setEntity(new StringEntity(body, "UTF-8"));
CloseableHttpResponse response = httpClient.execute(httpPost);
try {
String bodyAsString = EntityUtils.toString(response.getEntity());
return bodyAsString;
} finally {
httpClient.close();
response.close();
}
}
/**
* 发送get方式请求
*
* @param url
* @return
*/
private String get(String url) throws Exception {
CloseableHttpClient httpClient = getClient();
HttpGet httpGet = new HttpGet(url);
httpGet.addHeader(HttpHeaders.ACCEPT, ContentType.APPLICATION_JSON.toString());
httpGet.addHeader(HttpHeaders.CONTENT_TYPE, ContentType.APPLICATION_JSON.toString());
httpGet.addHeader("Wechatpay-Serial", weChatProperties.getMchSerialNo());
CloseableHttpResponse response = httpClient.execute(httpGet);
try {
String bodyAsString = EntityUtils.toString(response.getEntity());
return bodyAsString;
} finally {
httpClient.close();
response.close();
}
}
/**
* jsapi下单
*
* @param orderNum 商户订单号
* @param total 总金额
* @param description 商品描述
* @param openid 微信用户的openid
* @return
*/
private String jsapi(String orderNum, BigDecimal total, String description, String openid) throws Exception {
JSONObject jsonObject = new JSONObject();
jsonObject.put("appid", weChatProperties.getAppid());
jsonObject.put("mchid", weChatProperties.getMchid());
jsonObject.put("description", description);
jsonObject.put("out_trade_no", orderNum);
jsonObject.put("notify_url", weChatProperties.getNotifyUrl());
JSONObject amount = new JSONObject();
amount.put("total", total.multiply(new BigDecimal(100)).setScale(2, BigDecimal.ROUND_HALF_UP).intValue());
amount.put("currency", "CNY");
jsonObject.put("amount", amount);
JSONObject payer = new JSONObject();
payer.put("openid", openid);
jsonObject.put("payer", payer);
String body = jsonObject.toJSONString();
return post(JSAPI, body);
}
/**
* 小程序支付
*
* @param orderNum 商户订单号
* @param total 金额，单位 元
* @param description 商品描述
* @param openid 微信用户的openid
* @return
*/
public JSONObject pay(String orderNum, BigDecimal total, String description, String openid) throws Exception {
//统一下单，生成预支付交易单
String bodyAsString = jsapi(orderNum, total, description, openid);
//解析返回结果
JSONObject jsonObject = JSON.parseObject(bodyAsString);
System.out.println(jsonObject);
String prepayId = jsonObject.getString("prepay_id");
if (prepayId != null) {
String timeStamp = String.valueOf(System.currentTimeMillis() / 1000);
String nonceStr = RandomStringUtils.randomNumeric(32);
ArrayList<Object> list = new ArrayList<>();
list.add(weChatProperties.getAppid());
list.add(timeStamp);
list.add(nonceStr);
list.add("prepay_id=" + prepayId);
//二次签名，调起支付需要重新签名
StringBuilder stringBuilder = new StringBuilder();
for (Object o : list) {
stringBuilder.append(o).append("\n");
}
String signMessage = stringBuilder.toString();
byte[] message = signMessage.getBytes();
Signature signature = Signature.getInstance("SHA256withRSA");
signature.initSign(PemUtil.loadPrivateKey(new FileInputStream(new File(weChatProperties.getPrivateKeyFilePath()))));
signature.update(message);
String packageSign = Base64.getEncoder().encodeToString(signature.sign());
//构造数据给微信小程序，用于调起微信支付
JSONObject jo = new JSONObject();
jo.put("timeStamp", timeStamp);
jo.put("nonceStr", nonceStr);
jo.put("package", "prepay_id=" + prepayId);
jo.put("signType", "RSA");
jo.put("paySign", packageSign);
return jo;
}
return jsonObject;
}
/**
* 申请退款
*
* @param outTradeNo 商户订单号
* @param outRefundNo 商户退款单号
* @param refund 退款金额
* @param total 原订单金额
* @return
*/
public String refund(String outTradeNo, String outRefundNo, BigDecimal refund, BigDecimal total) throws Exception {
JSONObject jsonObject = new JSONObject();
jsonObject.put("out_trade_no", outTradeNo);
jsonObject.put("out_refund_no", outRefundNo);
JSONObject amount = new JSONObject();
amount.put("refund", refund.multiply(new BigDecimal(100)).setScale(2, BigDecimal.ROUND_HALF_UP).intValue());
amount.put("total", total.multiply(new BigDecimal(100)).setScale(2, BigDecimal.ROUND_HALF_UP).intValue());
amount.put("currency", "CNY");
jsonObject.put("amount", amount);
jsonObject.put("notify_url", weChatProperties.getRefundNotifyUrl());
String body = jsonObject.toJSONString();
//调用申请退款接口
return post(REFUNDS, body);
}
}