{"id":4891,"date":"2022-03-28T18:47:30","date_gmt":"2022-03-28T10:47:30","guid":{"rendered":"https:\/\/egonlin.com\/?p=4891"},"modified":"2022-11-29T11:59:19","modified_gmt":"2022-11-29T03:59:19","slug":"%e7%ac%ac%e4%ba%94%e8%8a%82%ef%bc%9a%e6%95%b0%e6%8d%ae%e5%a4%87%e4%bb%bd%e3%80%81pymysql%e6%a8%a1%e5%9d%97","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=4891","title":{"rendered":"\u7b2c\u4e94\u8282\uff1a\u6570\u636e\u5e93IDE\u4e0epymysql\u6a21\u5757"},"content":{"rendered":"

\u6570\u636e\u5e93IDE\u4e0epymysql\u6a21\u5757<\/h1>\n

\"\"<\/div><\/p>\n

\u4e00\u3001IDE\u5de5\u5177\u4ecb\u7ecd<\/h2>\n

\u751f\u4ea7\u73af\u5883\u8fd8\u662f\u63a8\u8350\u4f7f\u7528mysql\u547d\u4ee4\u884c\uff0c\u4f46\u4e3a\u4e86\u65b9\u4fbf\u6211\u4eec\u6d4b\u8bd5\uff0c\u53ef\u4ee5\u4f7f\u7528IDE\u5de5\u5177
\n\u5728\u6b64\u6211\u4eec\u63a8\u8350\u4f7f\u7528Navicat\u8f6f\u4ef6\u6216pycharm\u6765\u8fde\u63a5\u6570\u636e\u5e93,\u8fd9\u6837\u5c31\u80fd\u66f4\u8be6\u7ec6\u76f4\u89c2\u5730\u67e5\u8be2\u6570\u636e<\/p>\n

\u638c\u63e1\uff1a\n#1. \u6d4b\u8bd5+\u94fe\u63a5\u6570\u636e\u5e93\n#2. \u65b0\u5efa\u5e93\n#3. \u65b0\u5efa\u8868\uff0c\u65b0\u589e\u5b57\u6bb5+\u7c7b\u578b+\u7ea6\u675f\n#4. \u8bbe\u8ba1\u8868\uff1a\u5916\u952e\n#5. \u65b0\u5efa\u67e5\u8be2\n#6. \u5907\u4efd\u5e93\/\u8868\n\n#\u6ce8\u610f\uff1a\n\u6279\u91cf\u52a0\u6ce8\u91ca\uff1actrl+\uff1f\u952e\n\u6279\u91cf\u53bb\u6ce8\u91ca\uff1actrl+shift+\uff1f\u952e<\/code><\/pre>\n
\u4e8c\u3001pymysql\u6a21\u5757<\/h2>\n
pip3 install pymysql<\/code><\/pre>\n
1\u3001\u94fe\u63a5\u3001\u6267\u884csql\u3001\u5173\u95ed\uff08\u6e38\u6807\uff09<\/h3>\n
\"\"<\/div><\/p>\n
import pymysql\nuser=input('\u7528\u6237\u540d: ').strip()\npwd=input('\u5bc6\u7801: ').strip()\n\n#\u94fe\u63a5\nconn=pymysql.connect(host='localhost',user='root',password='123',database='egon',charset='utf8')\n#\u6e38\u6807\ncursor=conn.cursor() #\u6267\u884c\u5b8c\u6bd5\u8fd4\u56de\u7684\u7ed3\u679c\u96c6\u9ed8\u8ba4\u4ee5\u5143\u7ec4\u663e\u793a\n#cursor=conn.cursor(cursor=pymysql.cursors.DictCursor)\n\n#\u6267\u884csql\u8bed\u53e5\nsql='select * from userinfo where name="%s" and password="%s"' %(user,pwd) #\u6ce8\u610f%s\u9700\u8981\u52a0\u5f15\u53f7\nprint(sql)\nres=cursor.execute(sql) #\u6267\u884csql\u8bed\u53e5\uff0c\u8fd4\u56desql\u67e5\u8be2\u6210\u529f\u7684\u8bb0\u5f55\u6570\u76ee\nprint(res)\n\ncursor.close()\nconn.close()\n\nif res:\n    print('\u767b\u5f55\u6210\u529f')\nelse:\n    print('\u767b\u5f55\u5931\u8d25')<\/code><\/pre>\n
2\u3001execute()\u4e4bsql\u6ce8\u5165<\/h3>\n
\u6ce8\u610f\uff1a\u7b26\u53f7\u2013\u4f1a\u6ce8\u91ca\u6389\u5b83\u4e4b\u540e\u7684sql\uff0c\u6b63\u786e\u7684\u8bed\u6cd5\uff1a\u2013\u540e\u81f3\u5c11\u6709\u4e00\u4e2a\u4efb\u610f\u5b57\u7b26<\/p>\n
\u6839\u672c\u539f\u7406\uff1a\u5c31\u6839\u636e\u7a0b\u5e8f\u7684\u5b57\u7b26\u4e32\u62fc\u63a5name=\u2018%s\u2019\uff0c\u6211\u4eec\u8f93\u5165\u4e00\u4e2a*xxx\u2019 \u2013 haha\\<\/em>***,\u7528\u6211\u4eec\u8f93\u5165\u7684xxx\u52a0\u2019\u5728\u7a0b\u5e8f\u4e2d\u62fc\u63a5\u6210\u4e00\u4e2a\u5224\u65ad\u6761\u4ef6name=\u2019<\/em><\/strong>*xxx\u2019 \u2013 haha*****\u2019<\/p>\n
\u6700\u540e\u90a3\u4e00\u4e2a\u7a7a\u683c\uff0c\u5728\u4e00\u6761sql\u8bed\u53e5\u4e2d\u5982\u679c\u9047\u5230select * from t1 where id > 3 — and<\/strong> name=’egon’;\u5219–\u4e4b\u540e\u7684\u6761\u4ef6\u88ab\u6ce8\u91ca\u6389\u4e86<\/p>\n
#1\u3001sql\u6ce8\u5165\u4e4b\uff1a\u7528\u6237\u5b58\u5728\uff0c\u7ed5\u8fc7\u5bc6\u7801
\negon’ — \u4efb\u610f\u5b57\u7b26<\/p>\n
#2\u3001sql\u6ce8\u5165\u4e4b\uff1a\u7528\u6237\u4e0d\u5b58\u5728\uff0c\u7ed5\u8fc7\u7528\u6237\u4e0e\u5bc6\u7801
\nxxx’ or<\/strong> 1=1 — \u4efb\u610f\u5b57\u7b26<\/p>\n
\"\"<\/div><\/p>\n
\"\"<\/div><\/p>\n
\"\"<\/div>
\n\u56fe12-4 \u6570\u636e\u5e93\u6ce8\u5165<\/p>\n
\u89e3\u51b3\u65b9\u6cd5\uff1a<\/p>\n
# \u539f\u6765\u662f\u6211\u4eec\u5bf9sql\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\n# sql="select * from userinfo where name='%s' and password='%s'" %(user,pwd)\n# print(sql)\n# res=cursor.execute(sql)\n\n#\u6539\u5199\u4e3a\uff08execute\u5e2e\u6211\u4eec\u505a\u5b57\u7b26\u4e32\u62fc\u63a5\uff0c\u6211\u4eec\u65e0\u9700\u4e14\u4e00\u5b9a\u4e0d\u80fd\u518d\u4e3a%s\u52a0\u5f15\u53f7\u4e86\uff09\nsql="select * from userinfo where name=%s and password=%s" #\uff01\uff01\uff01\u6ce8\u610f%s\u9700\u8981\u53bb\u6389\u5f15\u53f7\uff0c\u56e0\u4e3apymysql\u4f1a\u81ea\u52a8\u4e3a\u6211\u4eec\u52a0\u4e0a\nres=cursor.execute(sql,[user,pwd]) #pymysql\u6a21\u5757\u81ea\u52a8\u5e2e\u6211\u4eec\u89e3\u51b3sql\u6ce8\u5165\u7684\u95ee\u9898\uff0c\u53ea\u8981\u6211\u4eec\u6309\u7167pymysql\u7684\u89c4\u77e9\u6765\u3002\n<\/code><\/pre>\n
3\u3001\u589e\u3001\u5220\u3001\u6539\uff1aconn.commit()<\/h3>\n
import pymysql\n#\u94fe\u63a5\nconn=pymysql.connect(host='localhost',user='root',password='123',database='egon')\n#\u6e38\u6807\ncursor=conn.cursor()\n\n#\u6267\u884csql\u8bed\u53e5\n#part1\n# sql='insert into userinfo(name,password) values("root","123456");'\n# res=cursor.execute(sql) #\u6267\u884csql\u8bed\u53e5\uff0c\u8fd4\u56desql\u5f71\u54cd\u6210\u529f\u7684\u884c\u6570\n# print(res)\n\n#part2\n# sql='insert into userinfo(name,password) values(%s,%s);'\n# res=cursor.execute(sql,("root","123456")) #\u6267\u884csql\u8bed\u53e5\uff0c\u8fd4\u56desql\u5f71\u54cd\u6210\u529f\u7684\u884c\u6570\n# print(res)\n\n#part3\nsql='insert into userinfo(name,password) values(%s,%s);'\nres=cursor.executemany(sql,[("root","123456"),("lhf","12356"),("eee","156")]) #\u6267\u884csql\u8bed\u53e5\uff0c\u8fd4\u56desql\u5f71\u54cd\u6210\u529f\u7684\u884c\u6570\nprint(res)\n\nconn.commit() #\u63d0\u4ea4\u540e\u624d\u53d1\u73b0\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u6210\u529f\ncursor.close()\nconn.close()<\/code><\/pre>\n
4\u3001\u6279\u91cf\u67e5\u8be2\uff1afetchone\uff0cfetchmany\uff0cfetchall<\/h3>\n\n\n\n\n\n
<\/th>\n<\/th>\n<\/tr>\n<\/thead>\n
<\/td>\n
\"\"<\/div><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
import pymysql\n#\u94fe\u63a5\nconn=pymysql.connect(host='localhost',user='root',password='123',database='egon')\n#\u6e38\u6807\ncursor=conn.cursor()\n\n#\u6267\u884csql\u8bed\u53e5\nsql='select * from userinfo;'\nrows=cursor.execute(sql) #\u6267\u884csql\u8bed\u53e5\uff0c\u8fd4\u56desql\u5f71\u54cd\u6210\u529f\u7684\u884c\u6570rows,\u5c06\u7ed3\u679c\u653e\u5165\u4e00\u4e2a\u96c6\u5408\uff0c\u7b49\u5f85\u88ab\u67e5\u8be2\n\n# cursor.scroll(3,mode='absolute') # \u76f8\u5bf9\u7edd\u5bf9\u4f4d\u7f6e\u79fb\u52a8\n# cursor.scroll(3,mode='relative') # \u76f8\u5bf9\u5f53\u524d\u4f4d\u7f6e\u79fb\u52a8\nres1=cursor.fetchone()\nres2=cursor.fetchone()\nres3=cursor.fetchone()\nres4=cursor.fetchmany(2)\nres5=cursor.fetchall()\nprint(res1)\nprint(res2)\nprint(res3)\nprint(res4)\nprint(res5)\nprint('%s rows in set (0.00 sec)' %rows)\n\nconn.commit() #\u63d0\u4ea4\u540e\u624d\u53d1\u73b0\u8868\u4e2d\u63d2\u5165\u8bb0\u5f55\u6210\u529f\ncursor.close()\nconn.close()\n\n'''\n(1, 'root', '123456')\n(2, 'root', '123456')\n(3, 'root', '123456')\n((4, 'root', '123456'), (5, 'root', '123456'))\n((6, 'root', '123456'), (7, 'lhf', '12356'), (8, 'eee', '156'))\nrows in set (0.00 sec)\n'''<\/code><\/pre>\n
5\u3001\u83b7\u53d6\u63d2\u5165\u7684\u6700\u540e\u4e00\u6761\u6570\u636e\u7684\u81ea\u589eID<\/h3>\n
import pymysql\nconn=pymysql.connect(host='localhost',user='root',password='123',database='egon')\ncursor=conn.cursor()\n\nsql='insert into userinfo(name,password) values("xxx","123");'\nrows=cursor.execute(sql)\nprint(cursor.lastrowid) #\u5728\u63d2\u5165\u8bed\u53e5\u540e\u67e5\u770b\n\nconn.commit()\n\ncursor.close()\nconn.close()<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u6570\u636e\u5e93IDE\u4e0epymysql\u6a21\u5757 \u4e00\u3001IDE\u5de5\u5177\u4ecb\u7ecd \u751f\u4ea7\u73af\u5883\u8fd8\u662f\u63a8\u8350\u4f7f\u7528mysql\u547d\u4ee4\u884c\uff0c\u4f46\u4e3a\u4e86\u65b9\u4fbf\u6211\u4eec\u6d4b\u8bd5 […]<\/p>\n","protected":false},"author":3,"featured_media":6748,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3,403],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4891"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4891"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4891\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/6748"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4891"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4891"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4891"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}