{"id":411,"date":"2020-12-06T01:10:19","date_gmt":"2020-12-05T17:10:19","guid":{"rendered":"http:\/\/moyisuiying.com\/?p=411"},"modified":"2020-12-10T14:23:36","modified_gmt":"2020-12-10T06:23:36","slug":"mybatis-plus%e5%ad%a6%e4%b9%a0%ef%bc%88%e4%ba%94%ef%bc%89-mybatiplus%e7%9a%84%e8%87%aa%e5%ae%9a%e4%b9%89id%e7%94%9f%e6%88%90%e5%99%a8%e5%92%8c%e9%80%bb%e8%be%91%e5%88%a0%e9%99%a4","status":"publish","type":"post","link":"http:\/\/moyisuiying.com\/index.php\/mybatis\/411.html","title":{"rendered":"Mybatis-plus\u5b66\u4e60\uff08\u4e94\uff09\u2014\u2014MybatiPlus\u7684\u81ea\u5b9a\u4e49ID\u751f\u6210\u5668\u548c\u903b\u8f91\u5220\u9664\u8be6\u89e3\u6d4b\u8bd5"},"content":{"rendered":"\n<h2>5.\u81ea\u5b9a\u4e49ID\u751f\u6210\u5668<\/h2>\n\n\n\n<blockquote class=\"wp-block-quote\"><p>\u81eamybatis-plus3.3.0\u5f00\u59cb,\u9ed8\u8ba4\u4f7f\u7528\u96ea\u82b1\u7b97\u6cd5+UUID(\u4e0d\u542b\u4e2d\u5212\u7ebf)<\/p><\/blockquote>\n\n\n\n<h3>5.1\u96ea\u82b1\u7b97\u6cd5<\/h3>\n\n\n\n<p>snowflake\u662fTwitter\u5f00\u6e90\u7684\u5206\u5e03\u5f0fID\u751f\u6210\u7b97\u6cd5\uff0c\u7ed3\u679c\u662f\u4e00\u4e2along\u578b\u7684ID\u3002\u5176\u6838\u5fc3\u601d\u60f3\u662f\uff1a\u4f7f\u752841bit\u4f5c\u4e3a<br>\u6beb\u79d2\u6570\uff0c10bit\u4f5c\u4e3a\u673a\u5668\u7684ID\uff085\u4e2abit\u662f\u6570\u636e\u4e2d\u5fc3\uff0c5\u4e2abit\u7684\u673a\u5668ID\uff09\uff0c12bit\u4f5c\u4e3a\u6beb\u79d2\u5185\u7684\u6d41\u6c34\u53f7\uff08\u610f\u5473<br>\u7740\u6bcf\u4e2a\u8282\u70b9\u5728\u6bcf\u6beb\u79d2\u53ef\u4ee5\u4ea7\u751f 4096 \u4e2a ID\uff09\uff0c\u6700\u540e\u8fd8\u6709\u4e00\u4e2a\u7b26\u53f7\u4f4d\uff0c\u6c38\u8fdc\u662f0\u3002\u53ef\u4ee5\u4fdd\u8bc1\u51e0\u4e4e\u5168\u7403\u552f\u4e00\uff01<\/p>\n\n\n\n<h3>5.2\u914d\u7f6e\u4e3b\u952e\u81ea\u589e<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010626723.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Fl1MUJtI-1607187898024)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210143458.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010626723.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Fl1MUJtI-1607187898024)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210143458.png)]\"\/><\/figure><\/noscript>\n\n\n\n<h3>5.3\u5728\u6570\u636e\u5e93\u4e2d\u914d\u7f6e\u4e3b\u952e\u81ea\u589e<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010641626.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-IjQZ4u5r-1607187898032)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210355729.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010641626.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-IjQZ4u5r-1607187898032)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210355729.png)]\"\/><\/figure><\/noscript>\n\n\n\n<h3>5.4IdType\u7684\u7c7b\u578b<\/h3>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010654368.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-hGCtrzSD-1607187898035)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210547295.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010654368.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-hGCtrzSD-1607187898035)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125210547295.png)]\"\/><\/figure><\/noscript>\n\n\n\n<pre class=\"wp-block-code\"><code>  AUTO(0), \/\/ \u6570\u636e\u5e93id\u81ea\u589e\n  NONE(1), \/\/ \u672a\u8bbe\u7f6e\u4e3b\u952e\n  INPUT(2), \/\/ \u624b\u52a8\u8f93\u5165\n  ID_WORKER(3), \/\/ \u9ed8\u8ba4\u7684\u5168\u5c40\u552f\u4e00id\n  UUID(4), \/\/ \u5168\u5c40\u552f\u4e00id uuid\n  ID_WORKER_STR(5); \/\/ID_WORKER \u5b57\u7b26\u4e32\u8868\u793a\u6cd5<\/code><\/pre>\n\n\n\n<h3>5.5\u4f7f\u7528\u81ea\u5b9a\u4e49\u7684\u751f\u6210\u4e3b\u952e<\/h3>\n\n\n\n<h3>\u65b9\u5f0f\u4e00\uff1a\u58f0\u660e\u4e3aBean\u4f9bSpring\u626b\u63cf\u6ce8\u5165<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>@Component\npublic class CustomIdGenerator implements IdentifierGenerator {\n    @Override\n    public Long nextId(Object entity) {\n          \/\/\u53ef\u4ee5\u5c06\u5f53\u524d\u4f20\u5165\u7684class\u5168\u7c7b\u540d\u6765\u4f5c\u4e3abizKey,\u6216\u8005\u63d0\u53d6\u53c2\u6570\u6765\u751f\u6210bizKey\u8fdb\u884c\u5206\u5e03\u5f0fId\u8c03\u7528\u751f\u6210.\n          String bizKey = entity.getClass().getName();\n        \/\/\u6839\u636ebizKey\u8c03\u7528\u5206\u5e03\u5f0fID\u751f\u6210\n        long id = ....;\n          \/\/\u8fd4\u56de\u751f\u6210\u7684id\u503c\u5373\u53ef.\n        return id;\n    }\n}<\/code><\/pre>\n\n\n\n<h3>\u65b9\u5f0f\u4e8c\uff1a\u4f7f\u7528\u914d\u7f6e\u7c7b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>@Bean\npublic IdentifierGenerator idGenerator() {\n    return new CustomIdGenerator();\n}<\/code><\/pre>\n\n\n\n<h3>\u65b9\u5f0f\u4e09\uff1a\u901a\u8fc7MybatisPlusPropertiesCustomizer\u81ea\u5b9a\u4e49<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>@Bean\npublic MybatisPlusPropertiesCustomizer plusPropertiesCustomizer() {\n    return plusProperties -> plusProperties.getGlobalConfig().setIdentifierGenerator(new CustomIdGenerator());\n}<\/code><\/pre>\n\n\n\n<h2>6.\u903b\u8f91\u5220\u9664<\/h2>\n\n\n\n<p>\u8bf4\u660e:<\/p>\n\n\n\n<p>\u53ea\u5bf9\u81ea\u52a8\u6ce8\u5165\u7684sql\u8d77\u6548:<\/p>\n\n\n\n<ul><li>\u63d2\u5165: \u4e0d\u4f5c\u9650\u5236<\/li><li>\u67e5\u627e: \u8ffd\u52a0where\u6761\u4ef6\u8fc7\u6ee4\u6389\u5df2\u5220\u9664\u6570\u636e,\u4e14\u4f7f\u7528 wrapper.entity \u751f\u6210\u7684where\u6761\u4ef6\u4f1a\u5ffd\u7565\u8be5\u5b57\u6bb5<\/li><li>\u66f4\u65b0: \u8ffd\u52a0where\u6761\u4ef6\u9632\u6b62\u66f4\u65b0\u5230\u5df2\u5220\u9664\u6570\u636e,\u4e14\u4f7f\u7528 wrapper.entity \u751f\u6210\u7684where\u6761\u4ef6\u4f1a\u5ffd\u7565\u8be5\u5b57\u6bb5<\/li><li>\u5220\u9664: \u8f6c\u53d8\u4e3a \u66f4\u65b0<\/li><\/ul>\n\n\n\n<p>\u4f8b\u5982:<\/p>\n\n\n\n<ul><li>\u5220\u9664: <code>update user set deleted=1 where id = 1 and deleted=0<\/code><\/li><li>\u67e5\u627e: <code>select id,name,deleted from user where deleted=0<\/code><\/li><\/ul>\n\n\n\n<p>\u5b57\u6bb5\u7c7b\u578b\u652f\u6301\u8bf4\u660e:<\/p>\n\n\n\n<ul><li>\u652f\u6301\u6240\u6709\u6570\u636e\u7c7b\u578b(\u63a8\u8350\u4f7f\u7528 <code>Integer<\/code>,<code>Boolean<\/code>,<code>LocalDateTime<\/code>)<\/li><li>\u5982\u679c\u6570\u636e\u5e93\u5b57\u6bb5\u4f7f\u7528<code>datetime<\/code>,\u903b\u8f91\u672a\u5220\u9664\u503c\u548c\u5df2\u5220\u9664\u503c\u652f\u6301\u914d\u7f6e\u4e3a\u5b57\u7b26\u4e32<code>null<\/code>,\u53e6\u4e00\u4e2a\u503c\u652f\u6301\u914d\u7f6e\u4e3a\u51fd\u6570\u6765\u83b7\u53d6\u503c\u5982<code>now()<\/code><\/li><\/ul>\n\n\n\n<p>\u9644\u5f55:<\/p>\n\n\n\n<ul><li>\u903b\u8f91\u5220\u9664\u662f\u4e3a\u4e86\u65b9\u4fbf\u6570\u636e\u6062\u590d\u548c\u4fdd\u62a4\u6570\u636e\u672c\u8eab\u4ef7\u503c\u7b49\u7b49\u7684\u4e00\u79cd\u65b9\u6848\uff0c\u4f46\u5b9e\u9645\u5c31\u662f\u5220\u9664\u3002<\/li><li>\u5982\u679c\u4f60\u9700\u8981\u9891\u7e41\u67e5\u51fa\u6765\u770b\u5c31\u4e0d\u5e94\u4f7f\u7528\u903b\u8f91\u5220\u9664\uff0c\u800c\u662f\u4ee5\u4e00\u4e2a\u72b6\u6001\u53bb\u8868\u793a\u3002<\/li><\/ul>\n\n\n\n<h3>6.1\u4f7f\u7528\u65b9\u6cd5\uff1a<\/h3>\n\n\n\n<h4>6.2.1\u6b65\u9aa41:<\/h4>\n\n\n\n<h4>\u914d\u7f6e<code>com.baomidou.mybatisplus.core.config.GlobalConfig$DbConfig<\/code><\/h4>\n\n\n\n<ul><li>\u4f8b: application.yml<\/li><\/ul>\n\n\n\n<pre class=\"wp-block-code\"><code>mybatis-plus:\n  global-config:\n    db-config:\n      logic-delete-field: flag  # \u5168\u5c40\u903b\u8f91\u5220\u9664\u7684\u5b9e\u4f53\u5b57\u6bb5\u540d(since 3.3.0,\u914d\u7f6e\u540e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u914d\u7f6e\u6b65\u9aa42)\n      logic-delete-value: 1 # \u903b\u8f91\u5df2\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 1)\n      logic-not-delete-value: 0 # \u903b\u8f91\u672a\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 0)<\/code><\/pre>\n\n\n\n<p>\u6216\u8005 application.properties\u4e2d<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5168\u5c40\u903b\u8f91\u5220\u9664\u7684\u5b9e\u4f53\u5b57\u6bb5\u540d(since 3.3.0,\u914d\u7f6e\u540e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u914d\u7f6e\u6b65\u9aa42)\nmybatis-plus.global-config.db-config.logic-delete-field=deleted\n# \u903b\u8f91\u5df2\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 1)\nmybatis-plus.global-config.db-config.logic-delete-value=1\n# \u903b\u8f91\u672a\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 0)\nmybatis-plus.global-config.db-config.logic-not-delete-value=0<\/code><\/pre>\n\n\n\n<h3>6.2.2\u6b65\u9aa42:<\/h3>\n\n\n\n<p>\u5b9e\u4f53\u7c7b\u5b57\u6bb5\u4e0a\u52a0\u4e0a<code>@TableLogic<\/code>\u6ce8\u89e3<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>@TableLogic\nprivate Integer deleted;<\/code><\/pre>\n\n\n\n<h3>6.3\u5728springboot\u4e2d\u4f7f\u7528<\/h3>\n\n\n\n<h4>6.3.1\u5728\u6570\u636e\u5e93\u4e2d\u589e\u52a0\u5b57\u6bb5 <strong>deleted<\/strong><\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010739300.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-tkPDwztG-1607187898039)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125220421261.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010739300.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-tkPDwztG-1607187898039)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125220421261.png)]\"\/><\/figure><\/noscript>\n\n\n\n<h4>6.3.2\u5728\u5b9e\u4f53\u7c7b\u4e2d\u6dfb\u52a0\u6ce8\u91ca<\/h4>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010749911.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Pm71WKGA-1607187898041)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125220545245.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010749911.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Pm71WKGA-1607187898041)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125220545245.png)]\"\/><\/figure><\/noscript>\n\n\n\n<h4>6.3.3\u5728application.properties\u4e2d\u6dfb\u52a0\u914d\u7f6e<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>server.port=8080\n#\u6570\u636e\u5e93\u8fde\u63a5\u7684\u7528\u6237\u540d\nspring.datasource.username=root\n#\u6570\u636e\u5e93\u8fde\u63a5\u7684\u5bc6\u7801\nspring.datasource.password=root\n#\u6570\u636e\u5e93\u8fde\u63a5\u7684URL\nspring.datasource.url=jdbc:mysql:\/\/localhost:3306\/javaweb?serverTimezone=UTC\n#\u6570\u636e\u5e93\u8fde\u63a5\u7684\u9a71\u52a8   MySQL8\u4f7f\u7528com.mysql.cj.jdbc.Driver   ,mysql5\u4f7f\u7528com.mysql.jdbc.Driver\nspring.datasource.driver-class-name=com.mysql.cj.jdbc.Driver\n#\u914d\u7f6e\u65e5\u5fd7\nmybatis-plus.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl\n# \u5168\u5c40\u903b\u8f91\u5220\u9664\u7684\u5b9e\u4f53\u5b57\u6bb5\u540d(since 3.3.0,\u914d\u7f6e\u540e\u53ef\u4ee5\u5ffd\u7565\u4e0d\u914d\u7f6e\u6b65\u9aa42)\nmybatis-plus.global-config.db-config.logic-delete-field=deleted\n# \u903b\u8f91\u5df2\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 1)\nmybatis-plus.global-config.db-config.logic-delete-value=1\n# \u903b\u8f91\u672a\u5220\u9664\u503c(\u9ed8\u8ba4\u4e3a 0)\nmybatis-plus.global-config.db-config.logic-not-delete-value=0<\/code><\/pre>\n\n\n\n<h4>6.3.4\u6d4b\u8bd5<\/h4>\n\n\n\n<pre class=\"wp-block-code\"><code>  @Test\n    public void testGetOneById(){\n        Account byId = accountService.getById(1);\n        System.out.println(byId);\n    }<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010810952.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Esd3Ytx5-1607187898044)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125222918802.png)]\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010810952.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"[\u5916\u94fe\u56fe\u7247\u8f6c\u5b58\u5931\u8d25,\u6e90\u7ad9\u53ef\u80fd\u6709\u9632\u76d7\u94fe\u673a\u5236,\u5efa\u8bae\u5c06\u56fe\u7247\u4fdd\u5b58\u4e0b\u6765\u76f4\u63a5\u4e0a\u4f20(img-Esd3Ytx5-1607187898044)(E:\\\u65b0\u6280\u672f\u5b66\u4e60\\java_study\\mybatis-plus\u5b66\u4e60\\images\\image-20201125222918802.png)]\"\/><\/figure><\/noscript>\n\n\n\n<p>\u53ef\u89c1\u6211\u4eec\u5728\u8fdb\u884c\u5220\u9664\u65f6mybatisplus\u4f1a\u81ea\u52a8\u6dfb\u52a0\u6761\u4ef6\u8f6c\u6362\u4e3a\u66f4\u65b0\u8bed\u53e5\u3002<\/p>\n\n\n\n<h2>7.\u6d4b\u8bd5\u7684\u6e90\u4ee3\u7801\u5df2\u4e0a\u4f20\u5230GitHub\u4e2d\uff1a<a href=\"https:\/\/github.com\/LJF2402901363\/java_study.git\" target=\"_blank\"  rel=\"nofollow\" >https:\/\/github.com\/LJF2402901363\/java_study.git<\/a><\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img   class=\"lazyload\" data-src=\"https:\/\/img-blog.csdnimg.cn\/20201206010846543.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" src=\"https:\/\/cdn.jsdelivr.net\/gh\/moezx\/cdn@3.0.2\/img\/svg\/loader\/trans.ajax-spinner-preloader.svg\" onerror=\"imgError(this)\"  alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure >\n<noscript><img src=\"https:\/\/img-blog.csdnimg.cn\/20201206010846543.png?x-oss-process=image\/watermark,type_ZmFuZ3poZW5naGVpdGk,shadow_10,text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTE4NzAwMjI=,size_16,color_FFFFFF,t_70\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"\/><\/figure><\/noscript>\n","protected":false},"excerpt":{"rendered":"<p>5.\u81ea\u5b9a\u4e49ID\u751f\u6210\u5668 \u81eamybatis-plus3.3.0\u5f00\u59cb,\u9ed8\u8ba4\u4f7f\u7528\u96ea\u82b1\u7b97\u6cd5+UUID(\u4e0d\u542b\u4e2d\u5212\u7ebf) 5.1\u96ea\u82b1\u7b97\u6cd5 snow &#8230;<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[4],"tags":[156,157],"_links":{"self":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/411"}],"collection":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/comments?post=411"}],"version-history":[{"count":1,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/411\/revisions"}],"predecessor-version":[{"id":412,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/posts\/411\/revisions\/412"}],"wp:attachment":[{"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/media?parent=411"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/categories?post=411"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/moyisuiying.com\/index.php\/wp-json\/wp\/v2\/tags?post=411"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}