{"id":200635,"date":"2025-05-06T12:44:37","date_gmt":"2025-05-06T04:44:37","guid":{"rendered":"https:\/\/server.hk\/cnblog\/200635\/"},"modified":"2025-05-06T12:44:37","modified_gmt":"2025-05-06T04:44:37","slug":"mysql-%e5%ad%98%e5%82%a8%e8%bf%87%e7%a8%8b%e6%9b%bf%e6%8d%a2-json-%e5%ad%97%e6%ae%b5%e6%96%87%e6%9c%ac%e5%a4%b1%e8%b4%a5%ef%bc%9a%e5%a6%82%e4%bd%95%e8%a7%a3%e5%86%b3%e5%a4%a7%e5%ad%97","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/200635\/","title":{"rendered":"MySQL \u5b58\u50a8\u8fc7\u7a0b\u66ff\u6362 JSON \u5b57\u6bb5\u6587\u672c\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\u201c\u5927\u5b57\u6bb5\u4fe1\u606f\u4e0d\u5b58\u5728\u201d\u9519\u8bef\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>MySQL \u5b58\u50a8\u8fc7\u7a0b\u66ff\u6362 JSON \u5b57\u6bb5\u6587\u672c\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\u201c\u5927\u5b57\u6bb5\u4fe1\u606f\u4e0d\u5b58\u5728\u201d\u9519\u8bef\uff1f<\/h1>\n<p>\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241110\/173121844067304c08f2588.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>mysql \u5b58\u50a8\u8fc7\u7a0b\u66ff\u6362 json \u5b57\u6bb5\u4e2d\u6587\u672c\u5931\u8d25\uff0c\u539f\u56e0\u53ca\u89e3\u51b3\u65b9\u6cd5<\/strong><\/p>\n<p>\u9047\u5230 mysql \u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u5c1d\u8bd5\u66ff\u6362 json \u5b57\u6bb5\u4e2d\u6587\u672c\u65f6\u51fa\u73b0\u201c\u5927\u5b57\u6bb5\u4fe1\u606f\u4e0d\u5b58\u5728\u201d\u9519\u8bef\uff0c\u8ba9\u6211\u4eec\u63a2\u7d22\u95ee\u9898\u5e76\u627e\u51fa\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n<p>\u95ee\u9898\u6839\u6e90\u5728\u4e8e\uff0c\u539f\u59cb\u5b58\u50a8\u8fc7\u7a0b\u4ee3\u7801\u5e76\u672a\u66f4\u65b0 eb_store_product \u8868\u4e2d\u8981\u66ff\u6362\u503c\u7684 slider_image \u5b57\u6bb5\u3002<\/p>\n<p>\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n<p>\u4fee\u6539\u5b58\u50a8\u8fc7\u7a0b\u4ee3\u7801\uff0c\u5728\u6bcf\u6b21\u66ff\u6362\u6587\u672c\u540e\u6267\u884c update \u8bed\u53e5\u4ee5\u66f4\u65b0 slider_image \u5b57\u6bb5\uff1a<\/p>\n<pre>DELIMITER \/\/\nDROP PROCEDURE IF EXISTS `replacename`\/\/\nCREATE PROCEDURE replacename()\nBEGIN\n    DECLARE c INT DEFAULT 0;\n    DECLARE r JSON;\n    DECLARE id INT DEFAULT 0;\n    DECLARE i INT DEFAULT 0;\n\n    DECLARE result CURSOR FOR SELECT id, slider_image FROM `eb_store_product`;\n\n    SELECT COUNT(*) INTO c FROM eb_store_product;\n    OPEN result;\n\n    REPEAT\n        SET i = i + 1;\n        FETCH result INTO id, r;\n\n        SET @t = REPLACE(JSON_EXTRACT(r, '$[0]'), 'ceshi', 'chenggong');\n\n        -- \u66f4\u65b0 eb_store_product \u8868\u4e2d\u7684 slider_image \u5b57\u6bb5\n        UPDATE eb_store_product SET slider_image = JSON_REPLACE(r, '$[0]', @t) WHERE id = id;\n\n    UNTIL i &gt;= c\n    END REPEAT;\n\n    CLOSE result;\n    SELECT @t;\nEND\/\/\nDELIMITER ;\n\nCALL replacename();<\/pre>\n<p>\u901a\u8fc7\u6267\u884c\u4e0a\u8ff0\u66f4\u65b0\u540e\u7684\u5b58\u50a8\u8fc7\u7a0b\uff0c\u4f60\u73b0\u5728\u5e94\u8be5\u80fd\u591f\u6210\u529f\u66ff\u6362 json \u5b57\u6bb5\u4e2d\u7684\u6587\u672c\uff0c\u5e76\u83b7\u5f97\u66ff\u6362\u540e\u7684\u6587\u672c\u800c\u4e0d\u4f1a\u51fa\u73b0\u9519\u8bef\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8e\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aMySQL \u5b58\u50a8\u8fc7\u7a0b\u66ff\u6362 JSON \u5b57\u6bb5\u6587\u672c\u5931\u8d25\uff1a\u5982\u4f55\u89e3\u51b3\u201c\u5927\u5b57\u6bb5\u4fe1\u606f\u4e0d\u5b58\u5728\u201d\u9519\u8bef\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8\u4e3b\u673a\u5b9d\u8d1d\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>MySQL \u5b58\u50a8\u8fc7\u7a0b\u66ff\u6362 JSO&#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-200635","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200635","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=200635"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/200635\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=200635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=200635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=200635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}