{"id":3047,"date":"2016-12-15T10:20:30","date_gmt":"2016-12-15T02:20:30","guid":{"rendered":"http:\/\/ixyzero.com\/blog\/?p=3047"},"modified":"2016-12-15T10:20:30","modified_gmt":"2016-12-15T02:20:30","slug":"mysql%e7%9a%84in%e8%bf%90%e7%ae%97%e7%ac%a6","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3047.html","title":{"rendered":"MySQL\u7684in\u8fd0\u7b97\u7b26"},"content":{"rendered":"

=Start=<\/p>\n

\u7f18\u7531\uff1a<\/h4>\n

\u5de5\u4f5c\u9700\u8981\uff0c\u5b66\u4e60\u9700\u8981<\/p>\n

\u6b63\u6587\uff1a<\/h4>\n

\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n

MySQL IN \u8fd0\u7b97\u7b26\u7528\u4e8e WHERE \u8868\u8fbe\u5f0f\u4e2d\uff0c\u4ee5\u5217\u8868\u9879\u7684\u5f62\u5f0f\u652f\u6301\u591a\u4e2a\u9009\u62e9\u3002<\/p>\n

MySQL IN \u8fd0\u7b97\u7b26\u7684\u8bed\u6cd5<\/h6>\n
\n
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\n\n\n\n
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WHERE column IN (value1,value2,...)<\/code><\/div>\n
WHERE column NOT IN (value1,value2,...)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u5f53 IN \u524d\u9762\u52a0\u4e0a NOT \u8fd0\u7b97\u7b26\u65f6\uff0c\u8868\u793a\u4e0e IN \u76f8\u53cd\u7684\u610f\u601d\uff0c\u5373\u4e0d\u5728\u8fd9\u4e9b\u5217\u8868\u9879\u5185\u9009\u62e9\u3002<\/p>\n

MySQL IN \u4f7f\u7528\u5b9e\u4f8b<\/h6>\n

\u9009\u53d6 uid \u4e3a 2\u30013\u30015 \u7684\u7528\u6237\u6570\u636e\uff1a<\/p>\n

\n
\n
\n\n\n\n
\n
\n
SELECT * FROM user WHERE uid IN (<\/code>2<\/code>,<\/code>3<\/code>,<\/code>5<\/code>)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n
MySQL IN \u5b50\u67e5\u8be2<\/h6>\n

\u66f4\u591a\u60c5\u51b5\u4e0b\uff0cIN \u5217\u8868\u9879\u7684\u503c\u662f\u4e0d\u660e\u786e\u7684\uff0c\u800c\u53ef\u80fd\u662f\u901a\u8fc7\u4e00\u4e2a\u5b50\u67e5\u8be2\u5f97\u5230\u7684\uff1a<\/p>\n

\n
\n
\n\n\n\n
\n
\n
SELECT * FROM article WHERE uid IN (SELECT uid FROM user WHERE status=<\/code>0<\/code>)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u5728\u8fd9\u4e2a SQL \u4f8b\u5b50\u91cc\uff0c\u6211\u4eec\u5b9e\u73b0\u4e86\u67e5\u51fa\u6240\u6709\u72b6\u6001\u4e3a 0 \u7684\u7528\u6237\uff08\u53ef\u80fd\u662f\u88ab\u7981\u6b62\uff09\u7684\u6240\u6709\u6587\u7ae0\u3002\u9996\u5148\u901a\u8fc7\u4e00\u4e2a\u67e5\u8be2\u5f97\u5230\u6240\u6709\u6240\u6709 status=0 \u7684\u7528\u6237\uff1a<\/p>\n

\n
\n
\n\n\n\n
\n
\n
SELECT uid FROM user WHERE status=<\/code>0<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u7136\u540e\u5c06\u67e5\u8be2\u7ed3\u679c\u4f5c\u4e3a IN \u7684\u5217\u8868\u9879\u4ee5\u5b9e\u73b0\u6700\u7ec8\u7684\u67e5\u8be2\u7ed3\u679c\uff0c\u6ce8\u610f\u5728\u5b50\u67e5\u8be2\u4e2d\u8fd4\u56de\u7684\u7ed3\u679c\u5fc5\u987b\u662f\u4e00\u4e2a\u5b57\u6bb5\u5217\u8868\u9879\u3002<\/p>\n

MySQL IN \u8fd0\u7b97\u7b26\u7684\u6548\u7387\u95ee\u9898<\/h6>\n

\u5982\u679c IN \u7684\u5217\u8868\u9879\u662f\u786e\u5b9a\u7684\uff0c\u90a3\u4e48\u53ef\u4ee5\u7528\u591a\u4e2a OR \u6765\u4ee3\u66ff<\/strong>\uff1a<\/p>\n

\n
\n
\n\n\n\n
\n
\n
SELECT * FROM user WHERE uid IN (<\/code>2<\/code>,<\/code>3<\/code>,<\/code>5<\/code>)<\/code><\/div>\n
\/\/ \u7b49\u6548\u4e3a\uff1a<\/code><\/div>\n
SELECT * FROM user WHERE (uid=<\/code>2<\/code>\u00a0OR uid=<\/code>3<\/code>\u00a0OR uid=<\/code>5<\/code>)<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n

\u4e00\u822c\u8ba4\u4e3a\uff0c\u5982\u679c\u662f\u5bf9\u7d22\u5f15\u5b57\u6bb5\u8fdb\u884c\u64cd\u4f5c\uff0c\u4f7f\u7528 OR \u6548\u7387\u9ad8\u4e8e IN\uff0c\u4f46\u5bf9\u4e8e\u5217\u8868\u9879\u4e0d\u786e\u5b9a\u7684\u65f6\u5019\uff08\u5982\u9700\u8981\u5b50\u67e5\u8be2\u5f97\u5230\u7ed3\u679c\uff09\uff0c\u5c31\u5fc5\u987b\u4f7f\u7528 IN \u8fd0\u7b97\u7b26\u3002\u53e6\u5916\uff0c\u5bf9\u4e8e\u5b50\u67e5\u8be2\u8868\u6570\u636e\u5c0f\u4e8e\u4e3b\u67e5\u8be2\u7684\u65f6\u5019\uff0c\u4e5f\u662f\u9002\u7528 IN \u8fd0\u7b97\u7b26\u7684\u3002<\/span><\/p>\n

\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n