1.\u5bfc\u5305<\/p>\n
import pymysql<\/pre>\n<\/p>\n
2.\u8fde\u63a5\u6570\u636e\u5e93<\/p>\n
connection = pymysql.connect(\n host='', # \u6570\u636e\u5e93\u5730\u5740\n port=3306, #\u7aef\u53e3\n user='', # \u6570\u636e\u5e93\u7528\u6237\u540d\n password='', # \u6570\u636e\u5e93\u5bc6\u7801\n db='', # \u6570\u636e\u5e93\u540d\u79f0\n # charset = 'utf8 -- UTF-8 Unicode'\n)<\/pre>\n<\/p>\n
3.\u521b\u5efa\u6e38\u6807<\/p>\n
cursor = connection.cursor()<\/pre>\n<\/p>\n
4.\u6570\u636e\u64cd\u4f5c<\/p>\n
\u67e5\u8be2<\/p>\n
#SQL\u8bed\u53e5\n sql = 'select * from user'\n #execute\u6267\u884c\u64cd\u4f5c\n cursor.execute(sql)\n result = cursor.fetchall()\n print(type(result),cursor.rowcount)\n print(result)<\/pre>\n<\/p>\n
<\/p>\n
fetchall \u67e5\u8be2\u65f6\u83b7\u53d6\u7ed3\u679c\u96c6\u4e2d\u7684\u6240\u6709\u884c\uff0c\u4e00\u884c\u6784\u6210\u4e00\u4e2a\u5143\u7ec4\uff0c\u7136\u540e\u518d\u5c06\u8fd9\u4e9b\u5143\u7ec4\u8fd4\u56de\uff08\u5373\u5d4c\u5957\u5143\u7ec4\uff09\u3002<\/span><\/p>\n
ferchone \u67e5\u8be2\u65f6\u83b7\u53d6\u7ed3\u679c\u96c6\u7684\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u8fd4\u56de\u4e00\u4e2a\u5143\u7ec4\uff0c\u8be5\u5143\u7ec4\u5143\u7d20\u5373\u4e3a\u7b2c\u4e00\u884c\u6570\u636e\uff0c\u5982\u679c\u6ca1\u6709\u5219\u4e3anull\uff08\u6ce8\uff1a\u5728python\u4e2d\u4f7f\u7528\u5e94\u4e3aNone\uff09<\/span><\/p>\n
execute \u4e3a\u5355\u6761\u6570\u636e\u63d2\u5165<\/span><\/p>\n
executemany \u6279\u91cf\u6570\u636e\u63d2\u5165<\/span><\/p>\n
cursor.rowcount \u7528\u6765\u8bb0\u5f55\u64cd\u4f5c\u6b21\u6570<\/span><\/p>\n
<\/p>\n
\u63d2\u5165(\u6279\u91cf\u63d2\u5165\uff09<\/p>\n
#\u63d2\u5165SQL\u8bed\u53e5\n sql = 'insert into user(username,sex,password,pid,tel) values (%s,%s,%s,%s,%s)'\n #\u63d2\u5165\u6570\u636e\n data = [\n ('test1', '\u7537', '123456', 3, '110'),\n ('test2', '\u5973', '123456', 2, '120'),\n ]\n #\u62fc\u63a5\u5e76\u6267\u884cSQL\u8bed\u53e5\n cursor.executemany(sql,data)\n #\u6d89\u53ca\u5199\u64cd\u4f5c\u8981\u63d0\u4ea4\n connection.commit()\n print(cursor.rowcount)<\/pre>\n<\/p>\n
\u4e0d\u7ba1\u6570\u636e\u5e93\u4e2d\u7684\u6570\u636e\u7c7b\u578b\u662f\u4ec0\u4e48\uff0c\u5728sql\u8bed\u53e5\u4e2d\u7edf\u4e00\u4f7f\u7528\u5b57\u7b26\u4e32\u7c7b\u578b%s connection.commit() \u6d89\u53ca\u5199\u64cd\u4f5c\u8981\u63d0\u4ea4<\/p>\n
\u4fee\u6539<\/p>\n
#\u4fee\u6539SQL\u8bed\u53e5\n sql = 'update user set tel="12345622" where id="64"'\n #\u6267\u884cSQL\u8bed\u53e5\n cursor.execute(sql)\n connection.commit()\n print(cursor.rowcount)<\/pre>\n<\/p>\n
\u5220\u9664<\/p>\n
#\u5220\u9664SQL\u8bed\u53e5\n sql = 'delete from user where id = 64'\n cursor.execute(sql)\n connection.commit()\n print(cursor.rowcount)<\/pre>\n<\/p>\n
\u5173\u95ed<\/p>\n
#\u5173\u95ed\u6e38\u6807\n cursor.close()\n #\u5173\u95ed\u8fde\u63a5\n connection.close()<\/pre>\n<\/p>\n","protected":false},"excerpt":{"rendered":"
Python\u4f7f\u7528pymysql\u8fde\u63a5\u6570\u636e\u5e931.\u5bfc\u5305importpymysql2.\u8fde\u63a5\u6570\u636e\u5e93c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[25,15],"class_list":["post-86","post","type-post","status-publish","format-standard","hentry","category-pythonbiji","tag-pymysql","tag-python"],"_links":{"self":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts\/86","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=86"}],"version-history":[{"count":0,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=\/wp\/v2\/posts\/86\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=86"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=86"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.mianka.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=86"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}