{"id":8543,"date":"2023-11-28T20:30:55","date_gmt":"2023-11-28T12:30:55","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=8543"},"modified":"2023-12-06T10:43:21","modified_gmt":"2023-12-06T02:43:21","slug":"springboot-zhong-readonly-shi-wu-le-jie-ma","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/springboot-zhong-readonly-shi-wu-le-jie-ma\/","title":{"rendered":"SpringBoot \u4e2d Readonly \u4e8b\u52a1\u4e86 \u89e3\u5417\uff1f"},"content":{"rendered":"<p>\u5728 Spring Boot \u4e2d\uff0c\u53ea\u8bfb\uff08Readonly\uff09\u4e8b\u52a1\u662f\u6307\u5728\u4e8b\u52a1\u4e2d\u4ec5\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u800c\u4e0d\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u8fd9\u6837\u7684\u4e8b\u52a1\u5177\u6709\u4e00\u4e9b\u4f18\u5316\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u4ee5\u5728\u53ea\u8bfb\u4e8b\u52a1\u4e2d\u6267\u884c\u4e00\u4e9b\u989d\u5916\u7684\u4f18\u5316\uff0c\u63d0\u9ad8\u8bfb\u53d6\u6027\u80fd\u3002<\/p>\n<p>\u5728 Spring \u4e2d\uff0c\u4f60\u53ef\u4ee5\u901a\u8fc7 <code>@Transactional<\/code> \u6ce8\u89e3\u6765\u58f0\u660e\u4e8b\u52a1\uff0c\u5176\u4e2d\u7684 <code>readOnly<\/code> \u5c5e\u6027\u7528\u4e8e\u6307\u5b9a\u4e8b\u52a1\u662f\u5426\u662f\u53ea\u8bfb\u7684\u3002\u5f53 <code>readOnly<\/code> \u8bbe\u7f6e\u4e3a <code>true<\/code> \u65f6\uff0c\u8868\u793a\u8be5\u4e8b\u52a1\u662f\u53ea\u8bfb\u7684\uff0c\u4e0d\u6d89\u53ca\u5199\u64cd\u4f5c\u3002\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c<code>readOnly<\/code> \u5c5e\u6027\u662f <code>false<\/code>\uff0c\u8868\u793a\u4e8b\u52a1\u53ef\u80fd\u5305\u542b\u8bfb\u53d6\u548c\u5199\u5165\u64cd\u4f5c\u3002<\/p>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a<\/p>\n<pre><code class=\"language-java\">import org.springframework.stereotype.Service;\nimport org.springframework.transaction.annotation.Transactional;\n\n@Service\npublic class MyService {\n\n    @Transactional(readOnly = true)\n    public void readOnlyTransaction() {\n        \/\/ \u53ea\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\n        \/\/ ...\n    }\n\n    @Transactional(readOnly = false)\n    public void readWriteTransaction() {\n        \/\/ \u65e2\u6709\u8bfb\u53d6\u64cd\u4f5c\uff0c\u4e5f\u6709\u5199\u5165\u64cd\u4f5c\n        \/\/ ...\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4f8b\u5b50\u4e2d\uff0c<code>readOnlyTransaction<\/code> \u65b9\u6cd5\u58f0\u660e\u4e86\u4e00\u4e2a\u53ea\u8bfb\u4e8b\u52a1\uff0c\u800c <code>readWriteTransaction<\/code> \u65b9\u6cd5\u58f0\u660e\u4e86\u4e00\u4e2a\u8bfb\u5199\u4e8b\u52a1\u3002\u4f60\u53ef\u4ee5\u6839\u636e\u65b9\u6cd5\u7684\u9700\u6c42\u9009\u62e9\u662f\u5426\u8bbe\u7f6e <code>readOnly<\/code> \u5c5e\u6027\u3002<\/p>\n<p>\u6ce8\u610f\u4e8b\u9879\uff1a<\/p>\n<ol>\n<li>\n<strong>\u53ea\u8bfb\u4e8b\u52a1\u7684\u4f18\u5316\uff1a<\/strong><\/p>\n<ul>\n<li>\u53ea\u8bfb\u4e8b\u52a1\u53ef\u80fd\u4f1a\u5e26\u6765\u4e00\u4e9b\u6027\u80fd\u4e0a\u7684\u4f18\u5316\uff0c\u56e0\u4e3a\u6570\u636e\u5e93\u5f15\u64ce\u53ef\u4ee5\u5728\u53ea\u8bfb\u4e8b\u52a1\u4e2d\u6267\u884c\u4e00\u4e9b\u989d\u5916\u7684\u4f18\u5316\u3002\u4f46\u9700\u8981\u6ce8\u610f\uff0c\u8bbe\u7f6e\u4e3a\u53ea\u8bfb\u5e76\u4e0d\u4f1a\u5f3a\u5236\u6570\u636e\u5e93\u5f15\u64ce\u7981\u6b62\u5199\u5165\u64cd\u4f5c\uff0c\u800c\u53ea\u662f\u5411\u6570\u636e\u5e93\u53d1\u51fa\u4e00\u4e2a\u63d0\u793a\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u53ea\u8bfb\u4e8b\u52a1\u7684\u9002\u7528\u573a\u666f\uff1a<\/strong><\/p>\n<ul>\n<li>\u53ea\u8bfb\u4e8b\u52a1\u901a\u5e38\u9002\u7528\u4e8e\u90a3\u4e9b\u4ec5\u9700\u8981\u8bfb\u53d6\u6570\u636e\u800c\u4e0d\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u7684\u65b9\u6cd5\u3002\u5728\u8bfb\u53d6\u5bc6\u96c6\u578b\u7684\u573a\u666f\u4e2d\uff0c\u4f7f\u7528\u53ea\u8bfb\u4e8b\u52a1\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u6570\u636e\u4e00\u81f4\u6027\uff1a<\/strong><\/p>\n<ul>\n<li>\u4f7f\u7528\u53ea\u8bfb\u4e8b\u52a1\u65f6\uff0c\u9700\u8981\u786e\u4fdd\u65b9\u6cd5\u7684\u64cd\u4f5c\u4e0d\u5f71\u54cd\u6570\u636e\u7684\u4e00\u81f4\u6027\u3002\u5982\u679c\u65b9\u6cd5\u5b9e\u9645\u4e0a\u5305\u542b\u4e86\u5199\u5165\u64cd\u4f5c\uff0c\u800c\u4f60\u5374\u5c06\u4e8b\u52a1\u58f0\u660e\u4e3a\u53ea\u8bfb\uff0c\u53ef\u80fd\u4f1a\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\u7684\u95ee\u9898\u3002<\/li>\n<\/ul>\n<\/li>\n<li>\n<strong>\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\uff1a<\/strong><\/p>\n<ul>\n<li>\u5728\u4e00\u4e9b\u60c5\u51b5\u4e0b\uff0c\u5982\u679c\u65b9\u6cd5 A \u8c03\u7528\u4e86\u53ea\u8bfb\u4e8b\u52a1\u7684\u65b9\u6cd5 B\uff0c\u4e8b\u52a1\u7684\u4f20\u64ad\u884c\u4e3a\u53ef\u80fd\u4f1a\u5f71\u54cd\u5230 B \u65b9\u6cd5\u7684\u4e8b\u52a1\u5c5e\u6027\u3002\u56e0\u6b64\uff0c\u9700\u8981\u6ce8\u610f\u4e8b\u52a1\u4f20\u64ad\u884c\u4e3a\u7684\u8bbe\u7f6e\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u53ea\u8bfb\u4e8b\u52a1\u662f\u4e00\u79cd\u5728\u67d0\u4e9b\u573a\u666f\u4e0b\u63d0\u9ad8\u6027\u80fd\u7684\u624b\u6bb5\uff0c\u4f46\u9700\u8981\u8c28\u614e\u4f7f\u7528\uff0c\u786e\u4fdd\u5728\u53ea\u8bfb\u4e8b\u52a1\u4e2d\u4e0d\u4f1a\u5f15\u8d77\u6570\u636e\u4e00\u81f4\u6027\u7684\u95ee\u9898\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728 Spring Boot \u4e2d\uff0c\u53ea\u8bfb\uff08Readonly\uff09\u4e8b\u52a1\u662f\u6307\u5728\u4e8b\u52a1\u4e2d\u4ec5\u8fdb\u884c\u8bfb\u53d6\u64cd\u4f5c\uff0c\u800c\u4e0d\u8fdb\u884c\u5199\u5165\u64cd\u4f5c\u3002\u8fd9\u6837 [&hellip;]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[100],"tags":[],"class_list":["post-8543","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8543","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=8543"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8543\/revisions"}],"predecessor-version":[{"id":16629,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/8543\/revisions\/16629"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=8543"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=8543"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=8543"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}