{"id":1199,"date":"2022-05-06T18:18:42","date_gmt":"2022-05-06T10:18:42","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1199"},"modified":"2022-05-08T22:02:29","modified_gmt":"2022-05-08T14:02:29","slug":"redis-hash","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2022\/05\/06\/redis-hash\/","title":{"rendered":"Redis Hash"},"content":{"rendered":"\n<p>\u5f53\u6211\u4eec\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u65f6\uff0c\u4f1a\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff1a<\/p>\n\n\n\n<p>\u5f53\u6211\u4eec\u4f7f\u7528\u7528\u6237\u540d\u4f5c\u4e3a\u7528\u6237\u7f13\u5b58\u4fe1\u606f\u7684Key\uff0c\u5bb9\u6613\u548cRedis\u5185\u5176\u4f59\u6570\u636e\u91cd\u5408\uff0c\u8fd9\u4e2d\u60c5\u51b5\u5c31\u9700\u8981\u4f7f\u7528Redis\u7684Hash\u6765\u89e3\u51b3\uff1a<\/p>\n\n\n\n<!--more-->\n\n\n\n<p class=\"has-large-font-size\">\u4ec0\u4e48\u662fRedis Hash<\/p>\n\n\n\n<p>Redis Hash\u662f\u4e00\u4e2a\u5b57\u7b26\u4e32\u7c7b\u578b\u7684field\uff08\u5b57\u6bb5\uff09\u548cvalue\uff08\u503c\uff09\u7684\u6620\u5c04\u8868\uff0c\u9002\u7528\u4e8e\u5b58\u50a8\u5bf9\u8c61\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i0.wp.com\/style.youkeda.com\/img\/ham\/course\/d2\/hash.jpeg?w=1170&#038;ssl=1\" alt=\"\" data-recalc-dims=\"1\"\/><\/figure>\n\n\n\n<p>\u7b80\u5355\u6765\u8bf4\uff0cRedis\u7684\u6574\u4e2aValue\u5c31\u662f\u952e\u503c\u5bf9\u6620\u5c04\u7ed3\u6784\uff0c\u901a\u8fc7key\u548cfield\u53d6\u5f97\u6240\u9700\u7684\u503c\u3002<br>\u5982\u6211\u4eec\u9700\u8981\u50a8\u5b58\u7528\u6237\u6570\u636e\uff0c\u5c06\u6570\u636e\u90fd\u50a8\u5b58\u5728key\u4e3a\u201duser\u201c\u7684\u7f13\u5b58\u4e2d\uff0c\u4ee5\u7528\u6237\u540d\u4f5c\u4e3afield\uff0c\u90a3\u4e48\u65e0\u8bba\u7528\u6237\u540d\u662f\u4ec0\u4e48\uff0c\u90fd\u4e0d\u4f1a\u548c\u5176\u4ed6\u6570\u636e\u51b2\u7a81\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">redisTemplate.opsForHash().put(\"user\", userDO.getUserName(), userDO);<\/code><\/pre>\n\n\n\n<p>\u5176\u4e2d\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3akey\u503c\uff0c\u7b2c\u4e8c\u4e2a\u4e3afield\u503c\uff0c\u7b2c\u4e09\u4e2a\u4e3a\u6570\u636e\u3002<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>\u5f53\u6211\u4eec\u9700\u8981\u4fee\u6539\u7684\u65f6\u5019\uff0c\u518d\u6b21put()\u539f\u6765\u7684field\u503c\u5c31\u884c<\/p>\n\n\n\n<p class=\"has-large-font-size\">\u8bfb\u53d6<\/p>\n\n\n\n<p>\u4f7f\u7528\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">UserDO userDO = (UserDO)redisTemplate.opsForHash().get(\"user\", userName);<\/code><\/pre>\n\n\n\n<p>\u6765\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3akey\uff0c\u7b2c\u4e8c\u4e2a\u4e3afield<\/p>\n\n\n\n<p>\u4e5f\u53ef\u4ee5\u6839\u636ekey\u548c\u4e00\u6279field\u6765\u6279\u91cf\u67e5\u8be2\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">List&lt;String&gt; userNames = <strong>new<\/strong> ArrayList&lt;&gt;();\nuserNames.add(userName);\nList&lt;UserDO&gt; users = redisTemplate.opsForHash().multiGet(\"integralRankUser\", userNames);<\/code><\/pre>\n\n\n\n<p class=\"has-large-font-size\">\u5220\u9664<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">redisTemplate.opsForHash().delete(\"integralRankUser\", userName);<\/code><\/pre>\n\n\n\n<p>\u5982\u679c\u60f3\u8981\u5220\u9664\u591a\u4e2afield,\u53ea\u9700\u8981\u4f20\u5165\u591a\u4e2afield\u5373\u53ef<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"java\" class=\"language-java\">redisTemplate.opsForHash().delete(\"integralRankUser\", userName, \"zhangsan\", \"lisi\");<\/code><\/pre>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u6211\u4eec\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u65f6\uff0c\u4f1a\u5b58\u5728\u4e00\u4e2a\u95ee\u9898\uff1a \u5f53\u6211\u4eec\u4f7f\u7528\u7528\u6237\u540d\u4f5c\u4e3a\u7528\u6237\u7f13\u5b58\u4fe1\u606f\u7684Key\uff0c\u5bb9\u6613\u548cRedis\u5185 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[6],"tags":[],"class_list":["post-1199","post","type-post","status-publish","format-standard","hentry","category-6"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1199"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1199"}],"version-history":[{"count":3,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1199\/revisions"}],"predecessor-version":[{"id":1204,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1199\/revisions\/1204"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1199"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1199"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1199"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}