{"id":272,"date":"2026-04-27T11:00:07","date_gmt":"2026-04-27T03:00:07","guid":{"rendered":"https:\/\/blog.higgus17.cloud\/?p=272"},"modified":"2026-04-27T12:35:38","modified_gmt":"2026-04-27T04:35:38","slug":"spring-boot-%e9%9b%86%e6%88%90-redis","status":"publish","type":"post","link":"https:\/\/blog.higgus17.cloud\/?p=272","title":{"rendered":"Spring Boot \u96c6\u6210 Redis"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u4f7f\u7528\u7684\u6846\u67b6<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>Spring Boot<\/code><\/li>\n\n\n\n<li><code>Spring Data Redis<\/code><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><code>RedisTemplates<\/code> \u4e2d\u5c01\u88c5\u4e86\u5f88\u591a\u5bf9\u8c61\u7c7b\uff0c\u6211\u4eec\u901a\u8fc7\u5bf9\u4e8e\u7c7b\u7684\u4e00\u4e2a\u64cd\u4f5c\uff0c\u80fd\u591f\u5b9e\u73b0\u6570\u636e\u7684\u586b\u5145\u3002\u5982<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic ValueOperations&lt;K, V&gt; opsForValue() {\n\treturn valueOps;\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Redis \u4e2d\u7684\u6570\u636e\u662f\u4ee5 key-value \u5f62\u5f0f\u7684\uff0c<code>ValueOperations&lt;K, V&gt;<\/code> \u8bbe\u8ba1\u7ea6\u7b49\u4e8e\u5c06 key-value \u5c01\u88c5\u6210\u4e86\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u89e3\u6790\u4e00\u4e2a\u57fa\u4e8e <code>AbstractOperations<\/code> \u5bf9\u8c61\u7c7b\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u64cd\u4f5c<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Redis \u4f1a\u7ed9\u8ffd\u52a0\u8fdb\u5165\u7684\u6570\u636e\u8fdb\u884c\u81ea\u52a8\u7684\u5e8f\u5217\u5316\uff0c\u5728\u9996\u90e8\u8fdb\u884c\u5b57\u7b26\u7684\u8ffd\u52a0\uff0c\u5728\u5b58\u5165\u65f6\u4f1a\u8fdb\u884c\u5e8f\u5217\u5316\uff0c\u5728\u8bfb\u53d6\u65f6\u4f1a\u8fdb\u884c\u53cd\u5e8f\u5217\u5316\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a\u662f\u4e3a\u4ec0\u4e48\u5462\uff1f\u4e0d\u662f Redis \u7684\u64cd\u4f5c\uff0c\u800c\u662f\u6211\u4eec\u4f7f\u7528\u7684 Spring Data Redis \u8fdb\u884c\u7684\u64cd\u4f5c\u3002\u5728 Java \u7a0b\u5e8f\u4e2d\uff0c<code>Spring Data Redis<\/code> \u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u4e0e Redis \u8fdb\u884c\u64cd\u4f5c\u7684\u63a5\u53e3\u548c\u5c01\u88c5\u7c7b\u3002\u6211\u4eec\u4f7f\u7528 Redis \u7684\u7f13\u5b58\u529f\u80fd\u65f6\uff0c\u6211\u4eec\u9700\u8981\u64cd\u4f5c\u63d0\u4f9b\u7ed9\u6211\u4eec\u7684\u63a5\u53e3 RedisTemplate\uff0c\u800c RedisTemplate \u4e2d\u7684\u5b9e\u73b0\u64cd\u4f5c\u7c7b <code>DefaultValueOperations&lt;K, V><\/code> <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7ee7\u627f\u7684\u62bd\u8c61\u57fa\u7c7b <code>AbstractOperations<\/code> \u4e2d\u7684\u6e90\u7801\u6709\u975e\u5e38\u76f4\u89c2\u7684\u8868\u73b0\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4efb\u610f\u4e00\u4e2a\u5b58\u53d6\u51fd\u6570\u4e3a\u4f8b\u3002\u8fd9\u91cc\u662f\u53d6\u51fd\u6570 get()\uff0c\u90a3\u4e48\u6211\u4eec\u4ee5 Java \u7a0b\u5e8f\u7684\u89d2\u5ea6\u4e3a\u4f8b\uff0c\u5b58\u5728\u6570\u636e\u5e93\u91cc\u7684\u6570\u636e\u5e93<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@Override\npublic V get(Object key) {\n\n    return <strong>execute<\/strong>(new ValueDeserializingRedisCallback(key) {\n\n        @Override\n        protected byte&#91;] inRedis(byte&#91;] rawKey, RedisConnection connection) {\n            return connection.get(rawKey);\n        }\n    }, true);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u8fd9\u91cc\u505a\u4e86\u6709\u4e14\u4ec5\u6709\u7684\u4e00\u4e2a\u64cd\u4f5c\uff0c\u6267\u884c <code>execute(RedisCallBack&lt;T> action, boolean exposeConnection, boolean pipeline)<\/code> \u51fd\u6570\uff0c\u5b9e\u4f8b\u5316\u7236\u7c7b\u4e2d\u7684\u5185\u90e8\u7c7b <code>ValueDeserializingRedisCallback<\/code>\uff0c\u5e76\u5c06 key \u503c\u5b58\u5165\u5176\u4e2d\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u5728 execute() \u51fd\u6570\u4e4b\u524d\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9e\u4f8b\u5316\u4e86\u5177\u4f53\u7684\u64cd\u4f5c\u5bf9\u8c61\u3002\u8fd9\u662f\u4e00\u4e2a\u89e3\u8026\u8bbe\u8ba1\uff0c\u4f7f execute \u51fd\u6570\u53ef\u4ee5\u4e13\u6ce8\u4e8e\u903b\u8f91\u7684\u5904\u7406\uff0c\u800c\u5e76\u975e\u5bf9\u5bf9\u8c61\u7684\u63a7\u5236\u64cd\u4f5c\u7ba1\u7406\u3002<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>execute() \u51fd\u6570<\/summary>\n<p class=\"wp-block-paragraph\">\u4f4d\u4e8e\u7236\u7c7b\u4e2d\u7684 execute \u51fd\u6570\u7684\u89e3\u91ca\u5982\u4e0b\u3002\u603b\u7684\u6765\u8bf4\uff0c\u5b83\u662f\u4e00\u4e2a\u6267\u884c\u64cd\u4f5c\u5bf9\u8c61\u7684\u51fd\u6570\u3002\u5728\u8fd9\u91cc\u6709\u4e00\u4e2a\u56de\u8c03\u8bbe\u8ba1\u7684\u5e03\u5c14\u5f00\u5173\uff0c\u8fd9\u4e2a\u975e\u5e38\u91cd\u8981\uff0c\u662f\u540e\u7eed\u5b9e\u73b0\u5bf9\u5bf9\u8c61\u4e2d doInRedis \u51fd\u6570\u6267\u884c\u7684\u542f\u52a8\u5f00\u5173\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u5728\u53ef\u516c\u5f00\u6216\u4e0d\u53ef\u516c\u5f00\u7684\u8fde\u63a5\u4e2d\u6267\u884c\u7ed9\u5b9a\u7684\u64cd\u4f5c\u5bf9\u8c61\u3002\u6b64\u5916\uff0c\u8be5\u8fde\u63a5\u53ef\u4ee5\u8fdb\u884c\u6d41\u6c34\u7ebf\u5904\u7406\u3002\u8bf7\u6ce8\u610f\uff0c\u6d41\u6c34\u7ebf\u5904\u7406\u7684\u7ed3\u679c\u5c06\u88ab\u4e22\u5f03\uff08\u56e0\u6b64\u9002\u7528\u4e8e\u53ea\u5199\u573a\u666f\uff09\n\u5f62\u53c2\uff1a\naction \u2013 \u8981\u6267\u884c\u7684\u56de\u8c03\u5bf9\u8c61\nexposeConnection \u2013 \u662f\u5426\u5f3a\u5236\u5411\u56de\u8c03\u4ee3\u7801\u516c\u5f00\u539f\u751f Redis \u8fde\u63a5\npipeline \u2013 \u662f\u5426\u5c06\u8fde\u63a5\u8fdb\u884c\u6d41\u6c34\u7ebf\u5904\u7406\n\n\u7c7b\u578b\u5f62\u53c2\uff1a&lt;T> \u2013 \u8fd4\u56de\u7c7b\u578b\n\u8fd4\u56de\u503c\uff1a\u64cd\u4f5c\u8fd4\u56de\u7684\u5bf9\u8c61\n\n@Nullable\npublic &lt;T> T execute(RedisCallback&lt;T> action, boolean exposeConnection, boolean pipeline) {\n\n  Assert.isTrue(initialized, \"template not initialized; call afterPropertiesSet() before using it\");\n  Assert.notNull(action, \"Callback object must not be null\");\n\n  RedisConnectionFactory factory = getRequiredConnectionFactory();\n  RedisConnection conn = RedisConnectionUtils.getConnection(factory, enableTransactionSupport);\n\n  try {\n\n    boolean existingConnection = TransactionSynchronizationManager.hasResource(factory);\n    RedisConnection connToUse = preProcessConnection(conn, existingConnection);\n\n    boolean pipelineStatus = connToUse.isPipelined();\n    if (pipeline &amp;&amp; !pipelineStatus) {\n      connToUse.openPipeline();\n    }\n\n    RedisConnection connToExpose = (exposeConnection ? connToUse : createRedisConnectionProxy(connToUse));\n    T result = action.doInRedis(connToExpose);\n\n    \/\/ close pipeline\n    if (pipeline &amp;&amp; !pipelineStatus) {\n      connToUse.closePipeline();\n    }\n\n    return postProcessResult(result, connToUse, existingConnection);\n  } finally {\n    RedisConnectionUtils.releaseConnection(conn, factory, enableTransactionSupport);\n  }\n}<\/code><\/pre>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\">\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4e00\u4e2a\u975e\u5e38\u6574\u6d01\u81ea\u6d3d\u7684 RedisCallBack&lt;T> \u7684\u5b8c\u6574\u751f\u547d\u5468\u671f\u3002\u5728\u8fd9\u4e2a excute() \u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u7ec8\u4e8e\u7b2c\u4e00\u6b21\u770b\u5230\u4e86\u987e\u540d\u601d\u4e49\u7684 CallBack\uff08\u56de\u8c03\uff09\u3002\u5728\u6574\u4e2a exeute() \u51fd\u6570\u5185\u90e8\uff0c\u552f\u4e00\u4e00\u6b21\u8c03\u7528\u5b9e\u4f8b\u5bf9\u8c61\u7684\u64cd\u4f5c\uff08Assert \u9664\u5916\uff09\u662f :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>T result = action.doInRedis(connToExpose);\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u4e2a doIndedis \u51fd\u6570\u5728\u6211\u4eec\u7684\u60c5\u5883\u4e2d\uff0c\u5b9e\u9645\u4e0a\u5177\u4f53\u7684\u5b9e\u73b0\u5982\u4e0b\uff0c\u53ef\u4ee5\u770b\u5230\uff0c\u5728\u8fd9\u91cc\u5b83\u6700\u7ec8\u8c03\u7528\u4e86\u53cd\u5e8f\u5217\u5316\u51fd\u6570\uff0c\u5e76\u6700\u7ec8\u8fd4\u56de\u8be5\u7ed3\u679c\u4f5c\u4e3a result\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>public final V doInRedis(RedisConnection connection) {\n  byte&#91;] result = inRedis(rawKey(key), connection);\n  return <strong>deserializeValue<\/strong>(result);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">execute \u51fd\u6570\u8fd8\u8d1f\u8d23\u4e86 close \u8fde\u63a5\u6c60\u7684\u4e00\u7cfb\u5217\u6536\u5c3e\u64cd\u4f5c\u3002\u5728\u8fd9\u91cc\u57fa\u672c\u5b8c\u6210\u4e86\u4e00\u4e2a get \u51fd\u6570\u7684\u8bf7\u6c42\u3002<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>\u5185\u90e8\u7c7b <code>ValueDeserializingRedisCallBack<\/code> \u8be6\u7ec6\u4ee3\u7801<\/summary>\n<pre class=\"wp-block-code\"><code>\/\/ utility methods for the template internal methods\nabstract class <strong>ValueDeserializingRedisCallback<\/strong> implements RedisCallback&lt;V> {\n\tprivate Object key;\n\n\tpublic ValueDeserializingRedisCallback(Object key) {\n\t\tthis.key = key;\n\t}\n\n\tpublic final V doInRedis(RedisConnection connection) {\n\t\tbyte&#91;] result = inRedis(rawKey(key), connection);\n\t\treturn <strong>deserializeValue<\/strong>(result);\n\t\t}\n\n\t@Nullable\n\tprotected abstract byte&#91;] inRedis(byte&#91;] rawKey, RedisConnection connection);\n}<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u7684\u6846\u67b6 RedisTemplates \u4e2d\u5c01\u88c5\u4e86\u5f88\u591a\u5bf9\u8c61\u7c7b\uff0c\u6211\u4eec\u901a\u8fc7\u5bf9\u4e8e\u7c7b\u7684\u4e00\u4e2a\u64cd\u4f5c\uff0c\u80fd\u591f\u5b9e\u73b0\u6570\u636e\u7684\u586b\u5145\u3002\u5982 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,9],"tags":[],"class_list":["post-272","post","type-post","status-publish","format-standard","hentry","category-tech","category-9"],"_links":{"self":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/272","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=272"}],"version-history":[{"count":18,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions"}],"predecessor-version":[{"id":291,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=\/wp\/v2\/posts\/272\/revisions\/291"}],"wp:attachment":[{"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=272"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=272"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.higgus17.cloud\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=272"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}