{"id":203937,"date":"2025-05-22T11:11:27","date_gmt":"2025-05-22T03:11:27","guid":{"rendered":"https:\/\/server.hk\/cnblog\/203937\/"},"modified":"2025-05-22T11:11:27","modified_gmt":"2025-05-22T03:11:27","slug":"redis%e5%ad%98%e5%82%a8%e7%82%b9%e8%b5%9e%e6%95%b0%e6%8d%ae%e6%97%b6%ef%bc%8c%e5%a6%82%e4%bd%95%e9%81%bf%e5%85%8d%e5%8f%82%e6%95%b0%e7%b1%bb%e5%9e%8b%e8%bd%ac%e6%8d%a2%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/203937\/","title":{"rendered":"Redis\u5b58\u50a8\u70b9\u8d5e\u6570\u636e\u65f6\uff0c\u5982\u4f55\u907f\u514d\u53c2\u6570\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\uff1f"},"content":{"rendered":"

<\/b> <\/p>\n

Redis\u5b58\u50a8\u70b9\u8d5e\u6570\u636e\u65f6\uff0c\u5982\u4f55\u907f\u514d\u53c2\u6570\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\uff1f<\/h1>\n

\u6587\u7ae0<\/span>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u719f\u6089\uff1f\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aRedis\u5b58\u50a8\u70b9\u8d5e\u6570\u636e\u65f6\uff0c\u5982\u4f55\u907f\u514d\u53c2\u6570\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\uff1f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u5728\u770b\u5b8c\u672c\u7bc7\u6587\u7ae0\u540e\uff0c\u6709\u66f4\u597d\u7684\u5efa\u8bae\u6216\u8005\u53d1\u73b0\u54ea\u91cc\u6709\u95ee\u9898\uff0c\u5e0c\u671b\u5927\u5bb6\u90fd\u80fd\u79ef\u6781\u8bc4\u8bba\u6307\u51fa\uff0c\u8c22\u8c22\uff01\u5e0c\u671b\u6211\u4eec\u80fd\u4e00\u8d77\u52a0\u6cb9\u8fdb\u6b65\uff01<\/p>\n

<\/p>\n

\u89e3\u51b3 redis \u5b58\u50a8\u6570\u636e\u65f6\u53c2\u6570\u7c7b\u578b\u8f6c\u6362\u7684\u95ee\u9898<\/h2>\n

\u95ee\u9898\u63cf\u8ff0<\/h3>\n

\u5728\u5c1d\u8bd5\u5c06\u70b9\u8d5e\u6570\u636e\u5b58\u50a8\u5230 redis \u65f6\uff0c\u9047\u5230\u4e86\u53c2\u6570\u7c7b\u578b\u8f6c\u6362\u7684\u95ee\u9898\u3002\u5177\u4f53\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n

    \n
  • @param likeuserid\uff1a\u70b9\u8d5e\u7528\u6237 id<\/li>\n
  • @param likepostid\uff1a\u88ab\u70b9\u8d5e\u6587\u7ae0 id<\/li>\n
  • @param likeanswerid\uff1a\u88ab\u70b9\u8d5e\u56de\u7b54 id<\/li>\n<\/ul>\n

    \u5c3d\u7ba1\u540e\u7aef\u4f20\u5165\u7684\u6570\u636e\u5df2\u7ecf\u662f\u5b57\u7b26\u4e32\u7c7b\u578b\uff0c\u4f46\u540e\u7aef\u4ecd\u7136\u62a5\u51fa java.lang.classcastexception \u9519\u8bef\u3002<\/p>\n

    \u9519\u8bef\u4fe1\u606f<\/h3>\n
    java.lang.classcastexception: java.lang.integer cannot be cast to java.lang.string<\/pre>\n
    \u539f\u56e0\u5206\u6790<\/h3>\n
    \u95ee\u9898\u5728\u4e8e\uff0credis \u5728\u5b58\u50a8\u503c\u65f6\u4f1a\u5c06\u503c\u5e8f\u5217\u5316\u6210\u5b57\u7b26\u4e32\uff0c\u800c constant.redis_like_code \u7684\u7c7b\u578b\u662f integer\uff0c\u4e0d\u662f\u5b57\u7b26\u4e32\u3002<\/p>\n
    \u89e3\u51b3\u65b9\u6cd5<\/h3>\n
    \u89e3\u51b3\u65b9\u6cd5\u662f\u5c06 constant.redis_like_code \u7684\u7c7b\u578b\u6539\u4e3a\u5b57\u7b26\u4e32\uff0c\u4f8b\u5982\uff1a<\/p>\n
    public static final string redis_like_code = \"1\";<\/pre>\n
    \u60a8\u8fd8\u53ef\u4ee5\uff08\u53ef\u9009\uff09\u5728 redis \u7684\u914d\u7f6e\u4e2d\u6307\u5b9a\u4e0d\u540c\u7684\u5e8f\u5217\u5316\u7a0b\u5e8f\uff0c\u4ee5\u4fbf redis \u53ef\u4ee5\u5c06\u975e\u5b57\u7b26\u4e32\u503c\u5b58\u50a8\u4e3a\u5b57\u7b26\u4e32\u3002\u4f46\u662f\uff0c\u8fd9\u4f1a\u5bfc\u81f4\u6027\u80fd\u4e0b\u964d\uff0c\u56e0\u6b64\u4e0d\u63a8\u8350\u8fd9\u6837\u505a\u3002<\/p>\n
    \u4fee\u6539\u540e\u7684\u4ee3\u7801<\/h3>\n
    redisserviceimpl.java<\/strong><\/p>\n
    @override\npublic void saveliked2redis(string likeuserid, string likepostid, string likeanswerid) {\n    string key = rediskeyutils.getlikedkey(likeuserid, likepostid, likeanswerid);\n    redistemplate.opsforhash().put(rediskeyutils.map_key_user_liked, key, constant.redis_like_code);\n}<\/pre>\n
    userlike.java<\/strong><\/p>\n
    public class UserLike {\n    private String likeUserID;\/\/\u70b9\u8d5e\u4ebaID\n    private String likePostID;\/\/\u88ab\u70b9\u8d5e\u6587\u7ae0ID\n    private String likeAnswerID;\/\/\u88ab\u70b9\u8d5e\u56de\u7b54ID\n    private Integer status = 0;\/\/\u70b9\u8d5e\u7684\u72b6\u6001\uff0c\u9ed8\u8ba4\u672a\u70b9\u8d5e0 0\uff1a\u672a\u70b9\u8d5e 1\uff1a\u5df2\u70b9\u8d5e\n    \n    \/\/ \u7701\u7565\u4e86\u6784\u9020\u90e8\u5206\n}<\/pre>\n
    \u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8e\u6587\u7ae0\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n","protected":false},"excerpt":{"rendered":"
    Redis\u5b58\u50a8\u70b9\u8d5e\u6570\u636e\u65f6\uff0c\u5982\u4f55\u907f...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-203937","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203937","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=203937"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/203937\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=203937"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=203937"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=203937"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}