{"id":201794,"date":"2025-05-10T12:47:41","date_gmt":"2025-05-10T04:47:41","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201794\/"},"modified":"2025-05-10T12:47:41","modified_gmt":"2025-05-10T04:47:41","slug":"redis%e4%b8%adopsforlist-range%e7%9a%84%e4%bd%bf%e7%94%a8%e6%96%b9%e6%b3%95%e8%af%a6%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201794\/","title":{"rendered":"redis\u4e2dopsForList().range()\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>redis\u4e2dopsForList().range()\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4f60\u5728\u5b66\u4e60<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u6570\u636e\u5e93<\/span>\u76f8\u5173\u7684\u77e5\u8bc6\u5417\uff1f\u672c\u6587<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aredis\u4e2dopsForList().range()\u7684\u4f7f\u7528\u65b9\u6cd5\u8be6\u89e3\u300b<\/span>\uff0c\u4e3b\u8981\u4ecb\u7ecd\u7684\u5185\u5bb9\u5c31\u6d89\u53ca\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">redisopsforList().range()<\/span>\uff0c\u5982\u679c\u4f60\u60f3\u63d0\u5347\u81ea\u5df1\u7684\u5f00\u53d1\u80fd\u529b\uff0c\u5c31\u4e0d\u8981\u9519\u8fc7\u8fd9\u7bc7\u6587\u7ae0\uff0c\u5927\u5bb6\u8981\u77e5\u9053\u7f16\u7a0b\u7406\u8bba\u57fa\u7840\u548c\u5b9e\u6218\u64cd\u4f5c\u90fd\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u54e6\uff01<\/p>\n<p>\u6d4b\u8bd5stringRedisTemplate.opsForList().range(key, start, end)\u7684\u4f7f\u7528<\/p>\n<h2>\u7ed3\u8bba\uff08\u5177\u4f53\u6d4b\u8bd5\u6570\u636e\u8bf7\u5f80\u4e0b\u770b\uff09<\/h2>\n<p>1\u3001start\u2014end\u603b\u4f53\u4fdd\u6301\u7740\u987a\u5e8f\u5c31\u6ca1\u95ee\u9898<\/p>\n<p>2\u3001\u6309\u7167\u987a\u5e8f\uff0c\u5373\u4fbfstart N-1\u4e5f\u80fd\u67e5\u8be2\u51fa\u6570\u636e<\/p>\n<p>3\u3001\u7279\u6b8a\u7528\u6cd5\uff1a\u901a\u8fc7stringRedisTemplate.opsForList().range(key, 0, -1)\u53ef\u4ee5\u67e5\u8be2\u7d22\u5f15\u7b2c\u4e00\u4e2a\u5230\u7d22\u5f15\u5012\u6570\u7b2c\u4e00\u4e2a\uff08\u5373\u6240\u6709\u6570\u636e\uff09<\/p>\n<h2>1\u3001\u73af\u5883 redis<\/h2>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874629645de345a483b.jpg1683874629645de345a484c.png\" class=\"aligncenter\"><\/p>\n<h2>2\u3001\u6d4b\u8bd5\u4ee3\u7801\uff1a<\/h2>\n<pre>  @Resource\n    private StringRedisTemplate stringRedisTemplate;\n\n    @Test\n    void testRedis() {\n        String key = \"testList\";\n        String[] data = new String[]{\"1_1\", \"1-2\", \"2_1\", \"2_2\"};\n        Boolean flag = stringRedisTemplate.hasKey(key);\n        if (!flag) {\n            stringRedisTemplate.opsForList().leftPushAll(key, data);\n        }\n        List\n   \n     range = stringRedisTemplate.opsForList().range(key, -100, -1);\n        System.out.println(\"range = \" + range);\n    }\n\n   <\/pre>\n<h2>3\u3001\u6d4b\u8bd5\u6570\u636e\uff08\u5047\u8bbeList\u957f\u5ea6\u4e3aN\uff09<\/h2>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874629645de345d0f86.jpg1683874629645de345d0f94.png\" class=\"aligncenter\"><\/p>\n<h2>4\u3001\u6d4b\u8bd5\u4ece\u7d22\u5f15\u5012\u6570\u5f00\u59cb<\/h2>\n<h3>4.1\u3001stringRedisTemplate.opsForList().range(key, -4, -1)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2c4\u4e2a\u2014\u2014\u7d22\u5f15\u5012\u6570\u7b2c1\u4e2a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874630645de34608e11.jpg1683874630645de34608e20.jpg\" class=\"aligncenter\"><\/p>\n<h3>4.2\u3001stringRedisTemplate.opsForList().range(key, -3, -1)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2c3\u4e2a\u2014\u2014\u7d22\u5f15\u5012\u6570\u7b2c1\u4e2a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874630645de3463f232.jpg1683874630645de3463f240.jpg\" class=\"aligncenter\"><\/p>\n<h3>4.3\u3001stringRedisTemplate.opsForList().range(key, -3, -2)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2c3\u4e2a\u2014\u2014\u7d22\u5f15\u5012\u6570\u7b2c2\u4e2a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874630645de34669890.jpg1683874630645de346698a0.jpg\" class=\"aligncenter\"><\/p>\n<h3>4.4\u3001stringRedisTemplate.opsForList().range(key, -2, -3)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2c2\u4e2a\u2014\u2014\u7d22\u5f15\u5012\u6570\u7b2c3\u4e2a\u4e0d\u884c\uff0c\u4ece\u7d22\u5f15\u5012\u6570\u7b2c3\u4e2a\u2014\u2014\u7d22\u5f15\u5012\u6570\u7b2c2\u4e2a\u53ef\u4ee5\u3002<\/p>\n<p>\u7ed3\u8bba\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2cN\u4e2a\u5f00\u59cb\uff0c\u8981\u6309\u7167\u987a\u5e8f\uff08\u5373 -N\u3001-(N-1)\u3001-(N-2)\u3001\u2026\u2026\u3001-1\uff09\uff0c\u9006\u5e8f\u662f\u4e0d\u884c\u7684<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874630645de346a6303.jpg1683874630645de346a6318.jpg\" class=\"aligncenter\"><\/p>\n<h2>5\u3001\u6d4b\u8bd5\u4ece\u7d22\u5f15\u6b63\u6570\u5f00\u59cb<\/h2>\n<h3>5.1\u3001stringRedisTemplate.opsForList().range(key, 0, 3)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u7b2c1\u4e2a\u2014\u2014\u7d22\u5f15\u7b2c4\u4e2a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874630645de346d3e82.jpg1683874630645de346d3e95.jpg\" class=\"aligncenter\"><\/p>\n<h3>5.2\u3001stringRedisTemplate.opsForList().range(key, 1,2)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u7b2c2\u4e2a\u2014\u2014\u7d22\u5f15\u7b2c3\u4e2a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874631645de347057d5.jpg1683874631645de347057e9.jpg\" class=\"aligncenter\"><\/p>\n<h3>5.2\u3001stringRedisTemplate.opsForList().range(key, 2,1)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u7b2c3\u4e2a\u2014\u2014\u7d22\u5f15\u7b2c2\u4e2a\u4e0d\u884c\uff0c\u4ece\u7d22\u5f15\u7b2c2\u4e2a\u2014\u2014\u7d22\u5f15\u7b2c3\u4e2a\u53ef\u4ee5<\/p>\n<p>\u7ed3\u8bba\uff1a\u4ece\u7d22\u5f150\u5f00\u59cb\uff0c\u8981\u6309\u7167\u987a\u5e8f\uff08\u5373 0\u30011\u30012\u3001\u2026\u2026\u3001N-1\uff09\uff0c\u9006\u5e8f\u662f\u4e0d\u884c\u7684<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874631645de347347a3.jpg1683874631645de347347b9.jpg\" class=\"aligncenter\"><\/p>\n<h2>6\u3001\u6d4b\u8bd5\u7d22\u5f15\u5012\u6570\u2014\u2014\u7d22\u5f15\u6b63\u6570\uff08\u6b63\u6570\u7d22\u5f15\uff0c\u4e0b\u6807 0 \u4e3a\u7b2c\u4e00\u4e2a\uff09<\/h2>\n<h3>6.1\u3001stringRedisTemplate.opsForList().range(key, -2, 2)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u8fd9\u6837\u5c31\u4e0d\u96be\u7406\u89e3\u4e86\uff0c\u4ece\u7d22\u5f15\u5012\u6570\u7b2c2\u4e2a\uff08\u5373row\u4e3a3\uff09\uff0c\u5230\u7d22\u5f15\u7b2c3\u4e2a\uff08\u5373row\u4e3a3\uff09<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874631645de3475b94b.jpg1683874631645de3475b960.jpg\" class=\"aligncenter\"><\/p>\n<h3>6.2\u3001stringRedisTemplate.opsForList().range(key, -4, 3)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u8fd9\u6837\u5c31\u4e0d\u96be\u7406\u89e3\u4e86\uff0c\u4ece\u7d22\u5f15\u5012\u6570\u7b2c4\u4e2a\uff08\u5373row\u4e3a1\uff09\uff0c\u5230\u7d22\u5f15\u7b2c3\u4e2a\uff08\u5373row\u4e3a4\uff09<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874631645de3478b0c1.jpg1683874631645de3478b0d6.jpg\" class=\"aligncenter\"><\/p>\n<h3>6.3\u3001stringRedisTemplate.opsForList().range(key, -4, 5)<\/h3>\n<p>\u4ece\u7ed3\u679c\u770b\uff1a\u4ece\u7d22\u5f15\u5012\u6570\u7b2c4\u4e2a\uff08\u5373row\u4e3a1\uff09\uff0c\u5230\u7d22\u5f15\u7b2c5\u4e2a\uff08\u5373row\u4e3a6\uff09<\/p>\n<p>\u7ed3\u8bba\uff1a\u6309\u987a\u5e8f\u8d85\u51fa\u662f\u6ca1\u95ee\u9898\u7684<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230512\/1683874631645de347bb121.jpg1683874631645de347bb134.jpg\" class=\"aligncenter\"><\/p>\n<h2>\u603b\u7ed3&nbsp;<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>redis\u4e2dopsForList&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201794","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201794","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=201794"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201794\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201794"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201794"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201794"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}