init
This commit is contained in:
parent
15555f0072
commit
07ee35397a
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package com.bonus.canteen.common.annotation;
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import java.lang.annotation.*;
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/**
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* 自定义注解防止表单重复提交
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*
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*/
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@Inherited
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@Target({ElementType.METHOD, ElementType.TYPE})
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@Retention(RetentionPolicy.RUNTIME)
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@Documented
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public @interface PreventRepeatSubmit
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{
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/**
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* 间隔时间(s)，小于此时间视为重复提交
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*/
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public int interval() default 5;
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/**
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* 提示消息
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*/
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public String message() default "不允许重复提交，请稍候再试";
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}
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package com.bonus.canteen.common.aspect;
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import com.alibaba.fastjson2.JSON;
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import com.bonus.canteen.common.annotation.PreventRepeatSubmit;
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import com.bonus.canteen.common.utils.RedisCache;
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import com.bonus.common.security.enums.HttpCodeEnum;
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import com.bonus.common.security.exception.BusinessException;
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import org.aspectj.lang.ProceedingJoinPoint;
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import org.aspectj.lang.annotation.Around;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Pointcut;
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import org.aspectj.lang.reflect.MethodSignature;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.stereotype.Component;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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import java.lang.reflect.Method;
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import java.util.Objects;
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import java.util.concurrent.TimeUnit;
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@Aspect
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@Component
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public class PreventRepeatSubmitAspect {
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private static final Logger LOG = LoggerFactory.getLogger(PreventRepeatSubmitAspect.class);
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private static final String header = "Authorization";
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@Autowired
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private RedisCache redisCache;
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// 定义一个切入点
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@Pointcut("@annotation(com.bonus.canteen.common.annotation.PreventRepeatSubmit)")
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public void preventRepeatSubmit() {
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}
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@Around("preventRepeatSubmit()")
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public Object checkPrs(ProceedingJoinPoint pjp) throws Throwable {
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LOG.info("进入preventRepeatSubmit切面");
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//得到request对象
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HttpServletRequest request = ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
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String requestURI = request.getRequestURI();
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LOG.info("防重复提交的请求地址：{} ,请求方式：{}",requestURI,request.getMethod());
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LOG.info("防重复提交拦截到的类名：{} ,方法：{}",pjp.getTarget().getClass().getSimpleName(),pjp.getSignature().getName());
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//获取请求参数
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Object[] args = pjp.getArgs();
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String argStr = "";
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for (int i = 0; i < args.length; i++) {
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Object obj = args[i];
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try {
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if (Objects.nonNull(obj)) {
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//这里替换是为了在redis可视化工具中方便查看, argStr=argStr.replace(":","#");
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argStr = JSON.toJSONString(obj).replace(":", "#");
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}
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break;
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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// 唯一值（没有消息头则使用请求地址）
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String submitKey = request.getHeader(header).trim();
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// 唯一标识（指定key + url +参数+token）
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String cacheRepeatKey = "repeat_submit:" + requestURI+":" +argStr+":"+ submitKey;
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MethodSignature ms = (MethodSignature) pjp.getSignature();
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Method method=ms.getMethod();
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PreventRepeatSubmit preventRepeatSubmit=method.getAnnotation(PreventRepeatSubmit.class);
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int interval = preventRepeatSubmit.interval();
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LOG.info("获取到preventRepeatSubmit的有效期时间"+interval);
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//redis分布式锁
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Boolean aBoolean = redisCache.setNxCacheObject(cacheRepeatKey, 1, preventRepeatSubmit.interval(), TimeUnit.SECONDS);
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//aBoolean为true则证明没有重复提交
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if(!aBoolean){
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throw new BusinessException(HttpCodeEnum.REPEATE_ERROR);
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}
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return pjp.proceed();
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}
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}
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package com.bonus.canteen.common.utils;
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import java.io.BufferedReader;
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import java.io.InputStreamReader;
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import java.net.URL;
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import java.net.URLConnection;
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import java.util.List;
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import java.util.Map;
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/**
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* http请求方法集
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* @Author ma_sh
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* @create 2024/10/15 16:05
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*/
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public class HttpClient {
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/**
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* 向指定URL发送GET方法的请求
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*
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* @param url
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* 发送请求的URL
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* @return URL 所代表远程资源的响应结果
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*/
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public static String sendGet(String url, String token) {
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String result = "";
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BufferedReader in = null;
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try {
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String urlNameString = url + "?whetherToPaginate=" + 0;
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URL realUrl = new URL(urlNameString);
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// 打开和URL之间的连接
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URLConnection connection = realUrl.openConnection();
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// 设置通用的请求属性
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent",
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"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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connection.setRequestProperty("Authorization", token);
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// 建立实际的连接
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connection.connect();
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// 获取所有响应头字段
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Map<String, List<String>> map = connection.getHeaderFields();
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// 遍历所有的响应头字段
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for (String key : map.keySet()) {
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System.out.println(key + "--->" + map.get(key));
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}
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// 定义 BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(
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connection.getInputStream(),"UTF-8"));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送GET请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输入流
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finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception e2) {
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e2.printStackTrace();
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}
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}
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return result;
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}
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public static String sendGetInfo(String httpUrl, String appId, String ticket) {
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String result = "";
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BufferedReader in = null;
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try {
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String urlNameString = httpUrl ;
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URL realUrl = new URL(urlNameString);
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// 打开和URL之间的连接
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URLConnection connection = realUrl.openConnection();
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// 设置通用的请求属性
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connection.setRequestProperty("accept", "*/*");
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connection.setRequestProperty("connection", "Keep-Alive");
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connection.setRequestProperty("user-agent",
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"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
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connection.setRequestProperty("charsert", "utf-8");
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connection.setRequestProperty("ticket", ticket);
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connection.setRequestProperty("appId", appId);
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// 建立实际的连接
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connection.connect();
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// 获取所有响应头字段
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Map<String, List<String>> map = connection.getHeaderFields();
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// 遍历所有的响应头字段
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for (String key : map.keySet()) {
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System.out.println(key + "--->" + map.get(key));
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}
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// 定义 BufferedReader输入流来读取URL的响应
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in = new BufferedReader(new InputStreamReader(
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connection.getInputStream()));
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String line;
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while ((line = in.readLine()) != null) {
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result += line;
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}
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} catch (Exception e) {
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System.out.println("发送GET请求出现异常！" + e);
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e.printStackTrace();
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}
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// 使用finally块来关闭输入流
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finally {
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try {
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if (in != null) {
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in.close();
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}
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} catch (Exception e2) {
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e2.printStackTrace();
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}
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}
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return result;
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}
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}
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package com.bonus.canteen.common.utils;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.BoundSetOperations;
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import org.springframework.data.redis.core.HashOperations;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.data.redis.core.ValueOperations;
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import org.springframework.stereotype.Component;
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import java.util.*;
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import java.util.concurrent.TimeUnit;
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/**
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* spring redis 工具类
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*
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**/
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@Component
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public class RedisCache
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{
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@Autowired
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public RedisTemplate redisTemplate;
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//添加分布式锁
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public <T> Boolean setNxCacheObject(final String key, final T value,long lt,TimeUnit tu)
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{
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return redisTemplate.opsForValue().setIfAbsent(key,value,lt,tu);
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}
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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*/
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public <T> void setCacheObject(final String key, final T value)
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{
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redisTemplate.opsForValue().set(key, value);
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}
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/**
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* 缓存基本的对象，Integer、String、实体类等
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*
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* @param key 缓存的键值
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* @param value 缓存的值
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* @param timeout 时间
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* @param timeUnit 时间颗粒度
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*/
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public <T> void setCacheObject(final String key, final T value, final Integer timeout, final TimeUnit timeUnit)
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{
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redisTemplate.opsForValue().set(key, value, timeout, timeUnit);
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire(final String key, final long timeout)
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{
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return expire(key, timeout, TimeUnit.SECONDS);
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}
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/**
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* 设置有效时间
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*
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* @param key Redis键
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* @param timeout 超时时间
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* @param unit 时间单位
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* @return true=设置成功；false=设置失败
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*/
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public boolean expire(final String key, final long timeout, final TimeUnit unit)
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{
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return redisTemplate.expire(key, timeout, unit);
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}
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/**
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* 获取有效时间
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*
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* @param key Redis键
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* @return 有效时间
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*/
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public long getExpire(final String key)
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{
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return redisTemplate.getExpire(key);
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}
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/**
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* 判断 key是否存在
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*
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* @param key 键
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* @return true 存在 false不存在
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*/
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public Boolean hasKey(String key)
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{
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return redisTemplate.hasKey(key);
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}
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/**
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* 获得缓存的基本对象。
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*
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* @param key 缓存键值
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* @return 缓存键值对应的数据
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*/
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public <T> T getCacheObject(final String key)
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{
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ValueOperations<String, T> operation = redisTemplate.opsForValue();
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return operation.get(key);
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}
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/**
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* 删除单个对象
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*
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* @param key
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*/
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public boolean deleteObject(final String key)
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{
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return redisTemplate.delete(key);
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}
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/**
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* 删除集合对象
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*
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* @param collection 多个对象
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* @return
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*/
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public boolean deleteObject(final Collection collection)
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{
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return redisTemplate.delete(collection) > 0;
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}
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/**
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* 缓存List数据
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*
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* @param key 缓存的键值
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* @param dataList 待缓存的List数据
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* @return 缓存的对象
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*/
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public <T> long setCacheList(final String key, final List<T> dataList)
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{
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Long count = redisTemplate.opsForList().rightPushAll(key, dataList);
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return count == null ? 0 : count;
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}
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/**
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* 获得缓存的list对象
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*
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* @param key 缓存的键值
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* @return 缓存键值对应的数据
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*/
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public <T> List<T> getCacheList(final String key)
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{
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return redisTemplate.opsForList().range(key, 0, -1);
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}
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/**
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* 缓存Set
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*
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* @param key 缓存键值
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* @param dataSet 缓存的数据
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* @return 缓存数据的对象
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*/
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public <T> BoundSetOperations<String, T> setCacheSet(final String key, final Set<T> dataSet)
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{
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BoundSetOperations<String, T> setOperation = redisTemplate.boundSetOps(key);
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Iterator<T> it = dataSet.iterator();
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while (it.hasNext())
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{
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setOperation.add(it.next());
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}
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return setOperation;
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}
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/**
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* 获得缓存的set
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*
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* @param key
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* @return
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*/
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public <T> Set<T> getCacheSet(final String key)
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{
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return redisTemplate.opsForSet().members(key);
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}
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/**
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* 缓存Map
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*
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* @param key
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* @param dataMap
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*/
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public <T> void setCacheMap(final String key, final Map<String, T> dataMap)
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{
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if (dataMap != null) {
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redisTemplate.opsForHash().putAll(key, dataMap);
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}
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}
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/**
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* 获得缓存的Map
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*
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* @param key
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* @return
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*/
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public <T> Map<String, T> getCacheMap(final String key)
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{
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return redisTemplate.opsForHash().entries(key);
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}
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/**
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* 往Hash中存入数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @param value 值
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*/
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public <T> void setCacheMapValue(final String key, final String hKey, final T value)
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{
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redisTemplate.opsForHash().put(key, hKey, value);
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}
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/**
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* 获取Hash中的数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @return Hash中的对象
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*/
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public <T> T getCacheMapValue(final String key, final String hKey)
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{
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HashOperations<String, String, T> opsForHash = redisTemplate.opsForHash();
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return opsForHash.get(key, hKey);
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}
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/**
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* 获取多个Hash中的数据
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*
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* @param key Redis键
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* @param hKeys Hash键集合
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* @return Hash对象集合
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*/
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public <T> List<T> getMultiCacheMapValue(final String key, final Collection<Object> hKeys)
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{
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return redisTemplate.opsForHash().multiGet(key, hKeys);
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}
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/**
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* 删除Hash中的某条数据
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*
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* @param key Redis键
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* @param hKey Hash键
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* @return 是否成功
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*/
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public boolean deleteCacheMapValue(final String key, final String hKey)
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{
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return redisTemplate.opsForHash().delete(key, hKey) > 0;
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}
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/**
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* 获得缓存的基本对象列表
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*
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* @param pattern 字符串前缀
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* @return 对象列表
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*/
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public Collection<String> keys(final String pattern)
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||||
{
|
||||
return redisTemplate.keys(pattern);
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue