{"id":201813,"date":"2025-05-10T09:46:16","date_gmt":"2025-05-10T01:46:16","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201813\/"},"modified":"2025-05-10T09:46:16","modified_gmt":"2025-05-10T01:46:16","slug":"jackson2jsonredisserializer%e5%92%8cgenericjackson2jsonredisserializer%e5%8c%ba%e5%88%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201813\/","title":{"rendered":"Jackson2JsonRedisSerializer\u548cGenericJackson2JsonRedisSerializer\u533a\u522b"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>Jackson2JsonRedisSerializer\u548cGenericJackson2JsonRedisSerializer\u533a\u522b<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aJackson2JsonRedisSerializer\u548cGenericJackson2JsonRedisSerializer\u533a\u522b\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0bJackson2JsonRedisSerializerGenericJackson2JsonRedisSerializer\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<h2>\u4e00\u3001\u4f7f\u7528Jackson2JsonRedisSerializer\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316\u5e26\u6cdb\u578b\u7684List\u6570\u636e<\/h2>\n<p>1\u3001\u4f7f\u7528Jackson2JsonRedisSerializer\u5e8f\u5217\u5316value\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>RedisTemplate template = new RedisTemplate(); template.setKeySerializer(new StringRedisSerializer()); template.setValueSerializer(new Jackson2JsonRedisSerializer(Object.class));<\/pre>\n<pre>UserToken userToken = new UserToken();\nuserToken.setMobile(\"176****6708\");\nList\n   \n     list = Lists.newArrayList(userToken);\nredisTemplate.opsForValue().set(\"test\",list,5,TimeUnit.MINUTES);\n   <\/pre>\n<p>2\u3001\u4f7f\u7528Jackson2JsonRedisSerializer\u5e8f\u5217\u5316\u540e\u7684\u6570\u636e\u5f62\u5f0f\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230513\/1683929531645eb9bb34758.jpg1683929531645eb9bb34767.png\" class=\"aligncenter\"><\/p>\n<p>3\u3001\u4f7f\u7528Jackson2JsonRedisSerializer\u53cd\u5e8f\u5217\u5316\u65f6\u62a5\u9519<\/p>\n<pre>List\n   \n     list2 = (List\n    \n     )redisTemplate.opsForValue().get(\"test\"); list2.forEach(userToken1 -&gt; System.out.println(userToken1.getMobile()));\n    \n   <\/pre>\n<blockquote>\n<p>java.lang.ClassCastException: java.util.LinkedHashMap cannot be cast to com.com.baisq.model.UserToken<\/p>\n<\/blockquote>\n<p>\u539f\u56e0\uff1a\u5e8f\u5217\u5316\u5e26\u6cdb\u578b\u7684\u6570\u636e\u65f6\uff0c\u4f1a\u4ee5map\u7684\u7ed3\u6784\u8fdb\u884c\u5b58\u50a8\uff0c\u53cd\u5e8f\u5217\u5316\u662f\u4e0d\u80fd\u5c06map\u89e3\u6790\u6210\u5bf9\u8c61\u3002<\/p>\n<p>4\u3001\u89e3\u51b3\u65b9\u6848\uff1a\u5e8f\u5217\u5316\u5b58\u50a8\u65f6\uff0c\u8f6c\u6210JSON\u5b57\u7b26\u4e32<\/p>\n<pre>UserToken userToken = new UserToken();\nuserToken.setMobile(\"176****6708\");\nList\n   \n     list = Lists.newArrayList(userToken);\nredisTemplate.opsForValue().set(\"test3\", JSON.toJSONString(userToken),5,TimeUnit.MINUTES);\nString list2 = (String)redisTemplate.opsForValue().get(\"test3\");\nJSON.parseArray(list2,UserToken.class).forEach(userToken1 -&gt; System.out.println(userToken1.getMobile()));\n   <\/pre>\n<h2>\u4e8c\u3001\u4f7f\u7528GenericJackson2JsonRedisSerializer\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316\u5e26\u6cdb\u578b\u7684List\u6570\u636e<\/h2>\n<p>1\u3001\u4f7f\u7528GenericJackson2JsonRedisSerializer\u5e8f\u5217\u5316value\u7684\u4ee3\u7801\uff1a<\/p>\n<pre>RedisTemplate template = new RedisTemplate(); template.setKeySerializer(new StringRedisSerializer()); template.setValueSerializer(new GenericJackson2JsonRedisSerializer());<\/pre>\n<pre>UserToken userToken = new UserToken();\nuserToken.setMobile(\"176****6708\");\nList\n   \n     list = Lists.newArrayList(userToken);\nredisTemplate.opsForValue().set(\"test2\",list,5,TimeUnit.MINUTES);\n   <\/pre>\n<p>2\u3001\u4f7f\u7528GenericJackson2JsonRedisSerializer\u5e8f\u5217\u5316\u540e\u7684\u6570\u636e\u5f62\u5f0f\uff1a<\/p>\n<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230513\/1683929531645eb9bb62434.jpg1683929531645eb9bb62446.png\" class=\"aligncenter\"><\/p>\n<p>3\u3001\u4f7f\u7528GenericJackson2JsonRedisSerializer\u53ef\u4ee5\u6b63\u5e38\u53cd\u5e8f\u5217\u5316<\/p>\n<pre>List\n   \n     list2 = (List\n    \n     )redisTemplate.opsForValue().get(\"test2\"); list2.forEach(userToken1 -&gt; System.out.println(userToken1.getMobile()));\n    \n   <\/pre>\n<p>4\u3001\u539f\u56e0\uff1a<\/p>\n<p>\u4f7f\u7528GenericJackson2JsonRedisSerializer\u5e8f\u5217\u5316\u65f6\uff0c\u4f1a\u4fdd\u5b58\u5e8f\u5217\u5316\u7684\u5bf9\u8c61\u7684\u5305\u540d\u548c\u7c7b\u540d\uff0c\u53cd\u5e8f\u5217\u5316\u65f6\u4ee5\u8fd9\u4e2a\u4f5c\u4e3a\u6807\u793a\u5c31\u53ef\u4ee5\u53cd\u5e8f\u5217\u5316\u6210\u6307\u5b9a\u7684\u5bf9\u8c61\u3002<\/p>\n<p>5\u3001\u4e5f\u53ef\u4ee5\u4ee5JSON\u5b57\u7b26\u4e32\u4fdd\u5b58\uff1a<\/p>\n<pre>UserToken userToken = new UserToken();\nuserToken.setMobile(\"176****6708\");\nList\n   \n     list = Lists.newArrayList(userToken);\n    redisTemplate.opsForValue().set(\"test4\",JSON.toJSONString(userToken),5,TimeUnit.MINUTES);\nString list2 = (String)redisTemplate.opsForValue().get(\"test4\");\nJSON.parseArray(list2,UserToken.class).forEach(userToken1 -&gt; System.out.println(userToken1.getMobile()));\n   <\/pre>\n<h2>\u4e09\u3001\u4f7f\u7528GenericJackson2JsonRedisSerializer\u548cJackson2JsonRedisSerializerdo\u90fd\u53ef\u4ee5\u6b63\u5e38\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316\u975e\u6cdb\u578b\u6570\u7ec4\u5bf9\u8c61\u3002<\/h2>\n<h2>\u56db\u3001GenericJackson2JsonRedisSerializer\u548cJackson2JsonRedisSerializerdo\u6548\u7387\uff1a<\/h2>\n<pre>long start  = System.currentTimeMillis();\nUserToken userToken = new UserToken();\nuserToken.setMobile(\"176****6708\");\nList\n   \n     list = Lists.newArrayListWithCapacity(100);\nfor (int i = 0; i  list2 = JSON.parseArray(data, UserToken.class);\nlong end = System.currentTimeMillis();\nlong time = end - start;\n   <\/pre>\n<p>\u6d4b\u8bd5\u540e\uff1a<\/p>\n<p>\u4f7f\u7528GenericJacksonRedisSerializer\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316\u8017\u65f6\uff1a1467<\/p>\n<p>\u4f7f\u7528Jackson2JsonRedisSerializer\u5e8f\u5217\u5316\u53cd\u5e8f\u5217\u5316\u8017\u65f6\uff1a914<\/p>\n<h2>\u4e94\u3001\u603b\u7ed3<\/h2>\n<p>1\u3001\u4f7f\u7528Jackson2JsonRedisSerializer\u9700\u8981\u6307\u660e\u5e8f\u5217\u5316\u7684\u7c7bClass\uff0c\u53ef\u4ee5\u4f7f\u7528Obejct.class<\/p>\n<p>2\u3001\u4f7f\u7528GenericJacksonRedisSerializer\u6bd4Jackson2JsonRedisSerializer\u6548\u7387\u4f4e\uff0c\u5360\u7528\u5185\u5b58\u9ad8\u3002<\/p>\n<p>3\u3001GenericJacksonRedisSerializer\u53cd\u5e8f\u5217\u5316\u5e26\u6cdb\u578b\u7684\u6570\u7ec4\u7c7b\u4f1a\u62a5\u8f6c\u6362\u5f02\u5e38\uff0c\u89e3\u51b3\u529e\u6cd5\u5b58\u50a8\u4ee5JSON\u5b57\u7b26\u4e32\u5b58\u50a8\u3002<\/p>\n<p>4\u3001GenericJacksonRedisSerializer\u548cJackson2JsonRedisSerializer\u90fd\u662f\u4ee5JSON\u683c\u5f0f\u53bb\u5b58\u50a8\u6570\u636e\uff0c\u90fd\u53ef\u4ee5\u4f5c\u4e3aRedis\u7684\u5e8f\u5217\u5316\u65b9\u5f0f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Jackson2JsonRedi&#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-201813","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201813","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=201813"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201813\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201813"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201813"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201813"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}