{"id":165338,"date":"2020-10-05T00:32:23","date_gmt":"2020-10-04T16:32:23","guid":{"rendered":"http:\/\/4563.org\/?p=165338"},"modified":"2020-10-05T00:32:23","modified_gmt":"2020-10-04T16:32:23","slug":"mybatis-%e5%a4%9a%e8%a1%a8%e5%85%b3%e8%81%94%e4%bd%bf%e7%94%a8-resultmap-%e5%b5%8c%e5%a5%97%e5%a5%bd%ef%bc%8c%e8%bf%98%e6%98%af%e6%98%af%e7%94%b1-left-join","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=165338","title":{"rendered":"MyBatis \u591a\u8868\u5173\u8054\u4f7f\u7528 ResultMap \u5d4c\u5957\u597d\uff0c\u8fd8\u662f\u662f\u7531 left join"},"content":{"rendered":"
\n
\n
\n

MyBatis \u591a\u8868\u5173\u8054\u4f7f\u7528 ResultMap \u5d4c\u5957\u597d\uff0c\u8fd8\u662f\u662f\u7531 left join <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : dishengreallife <\/span> <\/i> 1<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u672c\u4eba\u662f\u65b0\u624b\u5c0f\u767d\uff0c\u6700\u8fd1\u770b\u4e86\u5218\u589e\u8f89\u5199\u7684\u300a MyBatis \u4ece\u5165\u95e8\u5230\u7cbe\u901a\u300b\uff0c\u91cc\u9762\u63d0\u5230\u901a\u8fc7 resultMap \u8fd9\u4e9b\u5c5e\u6027\u5b9e\u73b0\u5d4c\u5957\u6620\u5c04\uff0c\u4ece\u6700\u57fa\u672c\u7684 SQl \u4e00\u5c42\u5c42\u5d4c\u5957\uff0c\u90a3\u5728\u4e00\u5bf9\u591a\u7684\u573a\u666f\u4e0b\uff0c\u591a\u8868\u7684\u60c5\u51b5\u4e0b\uff0c\u662f\u4f7f\u7528 left join \u5173\u8054\u8868\u597d\uff0c\u8fd8\u662f\u4e66\u91cc\u9762\u5199\u7684\u8fd9\u79cd\u65b9\u6cd5\u597d\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (3<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : dishengreallife <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u6709\u6ca1\u6709\u5927\u4f6c\u4e86\u89e3\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : huijiewei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    resultMap \u597d\u3002<\/p>\n

    \u8fdc\u79bb\u4e0d\u5fc5\u8981\u7684 JOIN <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : taogen <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u5173\u8054\u67e5\u8be2\u6709\u8054\u7cfb\u5b9e\u73b0\u65b9\u5f0f\uff1a
    1. nested select
    2. nested resultmap<\/p>\n

    \u5b98\u65b9\u5efa\u8bae\u4f7f\u7528 left join\uff0c\u5373 nested resultmap \u3002\u8fd9\u79cd\u65b9\u5f0f\u4e00\u4e2a SQL \u8bed\u53e5\u641e\u5b9a\u3002\u53e6\u4e00\u79cd\u5219\u9700\u8981\u6267\u884c\u989d\u5916\u7684\u67e5\u8be2\u8bed\u53e5\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n","protected":false},"excerpt":{"rendered":"

    MyBatis \u591a\u8868\u5173\u8054\u4f7f\u7528 Re…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/165338"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=165338"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/165338\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=165338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=165338"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=165338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}