{"id":78,"date":"2019-06-01T15:08:55","date_gmt":"2019-06-01T07:08:55","guid":{"rendered":"http:\/\/www.cgh0610.cn\/?p=78"},"modified":"2019-06-21T09:28:56","modified_gmt":"2019-06-21T01:28:56","slug":"mysql-%e4%bd%bf%e7%94%a8case-when%e8%af%ad%e6%b3%95%e6%9d%a1%e4%bb%b6%e6%80%a7%e5%a4%84%e7%90%86%e6%95%b0%e6%8d%ae","status":"publish","type":"post","link":"https:\/\/www.cgh0610.cn\/?p=78","title":{"rendered":"MySql \u4f7f\u7528CASE WHEN\u8bed\u6cd5\u6761\u4ef6\u6027\u5904\u7406\u6570\u636e"},"content":{"rendered":"<p>\u5047\u8bbe\u6570\u636e\u5e93\u6709\u5b57\u6bb5 id,money1,money2,m1,m2,\u67e5\u8be2\u65f6\u9700\u8981\u5224\u65admid=m1\u5219\u7d2f\u8ba1money1\uff0cmid=m2\u5219\u7d2f\u8ba1money2\uff0c\u6b64\u65f6\u53ef\u4ee5\u4f7f\u7528CASE WHEN\u8bed\u6cd5\u6761\u4ef6\u6027\u5904\u7406\u6570\u636e<\/p>\n<pre><code class=\"language-php line-numbers\">SELECT SUM(\n    CASE WHEN m1=:id THEN money1 WHEN m2=:id THEN money2 ELSE 0 END\n) AS money FROM TABLE\n# Tips\uff1a\u5339\u914dm1=:id\u65f6\uff0c\u8fd4\u56demoney1\uff1b\u5339\u914dm2=:id\u65f6\uff0c\u8fd4\u56demoney2\uff0c\u5426\u5219\u8fd4\u56de0\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5047\u8bbe\u6570\u636e\u5e93\u6709\u5b57\u6bb5 id,money1,money2,m1,m2,\u67e5\u8be2\u65f6\u9700\u8981\u5224\u65admid=m1\u5219\u7d2f\u8ba1money1\uff0c &hellip; <a href=\"https:\/\/www.cgh0610.cn\/?p=78\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">MySql \u4f7f\u7528CASE WHEN\u8bed\u6cd5\u6761\u4ef6\u6027\u5904\u7406\u6570\u636e<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"aside","meta":[],"categories":[39,12],"tags":[29,28,30],"_links":{"self":[{"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/posts\/78"}],"collection":[{"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=78"}],"version-history":[{"count":3,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions"}],"predecessor-version":[{"id":81,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=\/wp\/v2\/posts\/78\/revisions\/81"}],"wp:attachment":[{"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=78"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=78"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.cgh0610.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=78"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}