{"id":2116,"date":"2024-02-04T09:21:26","date_gmt":"2024-02-04T01:21:26","guid":{"rendered":"https:\/\/usei.cn\/?p=2116"},"modified":"2024-03-14T09:59:39","modified_gmt":"2024-03-14T01:59:39","slug":"mybatis-%e4%b8%bb%e5%ad%90%e8%a1%a8%e5%85%b3%e8%81%94%e6%9f%a5%e8%af%a2","status":"publish","type":"post","link":"https:\/\/usei.cn\/index.php\/2024\/02\/04\/mybatis-%e4%b8%bb%e5%ad%90%e8%a1%a8%e5%85%b3%e8%81%94%e6%9f%a5%e8%af%a2\/","title":{"rendered":"Mybatis \u4e3b\u5b50\u8868\u5173\u8054\u67e5\u8be2"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>&lt;!--\u4e3b\u8868\u6620\u5c04-->\n&lt;resultMap type=\"MallOrder\" id=\"MallOrderResult\">\n   &lt;result property=\"orderNo\"    column=\"order_no\"    \/>\n   &lt;result property=\"memberId\"    column=\"member_id\"    \/>\n  &lt;result property=\"merchantId\"    column=\"merchant_id\"    \/>\n......\n&lt;\/resultMap>\n&lt;sql id=\"selectMallOrderVo\">\r\n   select order_no, member_id, merchant_id, goods_amount from mall_order\r\n&lt;\/sql><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">1.\u8fde\u63a5\u67e5\u8be2\u65b9\u5f0f<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;select id=\"selectMallOrderNestedList\" parameterType=\"MallOrder\" resultMap=\"MallOrderListNestedResult\">\nselect \n    a.id, a.name, a.brand_id, \n    b.id as sub_id\nfrom mall_goods a\n        left join mall_goods_sku b on b.goods_id = a.id\nwhere a.id = #{id}\n&lt;\/select><\/code><\/pre>\n\n\n\n<p>\u7ed3\u679c<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code> &lt;resultMap id=\"MallOrderListNestedResult\" type=\"MallOrder\" extends=\"MallOrderResult\">\n        &lt;collection property=\"children\" notNullColumn=\"sub_id\" javaType=\"java.util.List\" resultMap=\"OrderDetailResult\" \/>\n&lt;\/resultMap>\n\u5b50\u8868\u6620\u5c04\n&lt;resultMap type=\"MallOrderDetail\" id=\"OrderDetailResult\">\n   &lt;result property=\"id\"    column=\"sub_id\"    \/>\n   &lt;result property=\"orderId\"    column=\"sub_order_id\"    \/>\n   &lt;result property=\"memberId\"    column=\"sub_member_id\"    \/>\n   &lt;result property=\"merchantId\"    column=\"sub_merchant_id\"    \/>\n   &lt;result property=\"goodsId\"    column=\"sub_goods_id\"    \/>\n   &lt;result property=\"goodsName\"    column=\"sub_goods_name\"    \/>\n   &lt;result property=\"goodsImage\"    column=\"sub_goods_image\"    \/>\n&lt;\/resultMap><\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">2.\u5b50\u67e5\u8be2\u65b9\u5f0f<\/h2>\n\n\n\n<p>\u6267\u884c\u67e5\u8be2<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;select id=\"selectMallOrderNestedList\" resultMap=\"MallOrderNestedResult\" parameterType=\"MallGoods\">\n  &lt;include refid=\"selectMallOrderVo\"\/>\n &lt;where>&lt;\/where>\n&lt;\/select>\n&lt;!--\u589e\u52a0\u4e3b\u8868\u5305\u542b\u8be6\u60c5\u96c6\u5408\u7684\u6620\u5c04-->\n&lt;resultMap type=\"MallOrder\" id=\"MallOrderNestedResult\" extends=\"MallOrderResult\">\n    &lt;collection property=\"children\" select=\"selectDetailsByOrderNo\" column=\"order_no\"\/>\n&lt;\/resultMap>\n&lt;!--\u5b50\u8868\u6620\u5c04-->\n&lt;resultMap type=\"MallOrderDetail\" id=\"OrderDetailResult\">\n   &lt;result property=\"id\"    column=\"id\"    \/>\n   &lt;result property=\"orderId\"    column=\"order_id\"    \/>\n   &lt;result property=\"memberId\"    column=\"member_id\"    \/>\n   &lt;result property=\"merchantId\"    column=\"merchant_id\"    \/>\n   &lt;result property=\"goodsId\"    column=\"goods_id\"    \/>\n   &lt;result property=\"goodsName\"    column=\"goods_name\"    \/>\n   &lt;result property=\"goodsImage\"    column=\"goods_image\"    \/>\n\n&lt;\/resultMap><\/code><\/pre>\n\n\n\n<p>\u4f7f\u7528selectDetailsByOrderNo \u6307\u5411\u4e00\u4e2a\u65b0\u67e5\u8be2\u53bb\u586b\u5145\u5b50\u96c6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>&lt;select id=\"selectDetailsByOrderNo\" resultType=\"com.join.mall.domain.MallOrderDetail\" resultMap=\"OrderDetailResult\"&gt;\n        SELECT * from mall_order_detail where order_no = #{order_no}\n&lt;\/select&gt;<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>1.\u8fde\u63a5\u67e5\u8be2\u65b9\u5f0f \u7ed3\u679c 2.\u5b50\u67e5\u8be2\u65b9\u5f0f \u6267\u884c\u67e5\u8be2 \u4f7f\u7528selectDetailsByOrderNo \u6307\u5411\u4e00\u4e2a\u65b0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,82],"tags":[],"class_list":["post-2116","post","type-post","status-publish","format-standard","hentry","category-java","category-mybatis"],"_links":{"self":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2116","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/comments?post=2116"}],"version-history":[{"count":15,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2116\/revisions"}],"predecessor-version":[{"id":2134,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/posts\/2116\/revisions\/2134"}],"wp:attachment":[{"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/media?parent=2116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/categories?post=2116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/usei.cn\/index.php\/wp-json\/wp\/v2\/tags?post=2116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}