![\"\u5982\u4f55\u7528Python\u67e5\u8be2\u5b66\u53f7\"](\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25065404\/57786f98-ed55-40d7-bac5-bc1b18722b7d.webp\")
<\/p>\n<\/p>\n
\u4f7f\u7528Python\u67e5\u8be2\u5b66\u53f7\u7684\u5173\u952e\u6b65\u9aa4\u5305\u62ec\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3001\u6267\u884c\u67e5\u8be2\u3001\u5904\u7406\u7ed3\u679c\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u8be6\u7ec6\u63cf\u8ff0\u8fde\u63a5\u6570\u636e\u5e93\u8fd9\u4e00\u8fc7\u7a0b\u3002<\/strong><\/p>\n<\/p>\n \u4e3a\u4e86\u4f7f\u7528Python\u67e5\u8be2\u5b66\u53f7\uff0c\u9996\u5148\u5fc5\u987b\u5efa\u7acb\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002\u5e38\u7528\u7684\u6570\u636e\u5e93\u5305\u62ecMySQL\u3001PostgreSQL\u3001SQLite\u7b49\uff0c\u4e0d\u540c\u6570\u636e\u5e93\u6709\u4e0d\u540c\u7684\u8fde\u63a5\u65b9\u5f0f\u3002\u4ee5\u4e0b\u662f\u8fde\u63a5\u6570\u636e\u5e93\u7684\u5177\u4f53\u6b65\u9aa4\uff1a<\/p>\n<\/p>\n \u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u548c\u5b89\u88c5\u9a71\u52a8\uff1a<\/strong> \u5728\u5f00\u59cb\u7f16\u5199\u4ee3\u7801\u4e4b\u524d\uff0c\u786e\u5b9a\u6240\u4f7f\u7528\u7684\u6570\u636e\u5e93\u3002\u4ee5MySQL\u4e3a\u4f8b\uff0c\u9700\u8981\u5b89\u88c5Python\u7684MySQL\u9a71\u52a8\uff0c\u6bd4\u5982 \u5bfc\u5165\u6570\u636e\u5e93\u9a71\u52a8\u6a21\u5757\uff1a<\/strong> \u5728Python\u811a\u672c\u4e2d\uff0c\u5bfc\u5165\u6240\u9700\u7684\u6570\u636e\u5e93\u6a21\u5757\u3002\u4f8b\u5982\uff0c\u5bf9\u4e8eMySQL\uff0c\u4f7f\u7528 \u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\uff1a<\/strong> \u4f7f\u7528\u9a71\u52a8\u6a21\u5757\u63d0\u4f9b\u7684\u8fde\u63a5\u65b9\u6cd5\uff0c\u63d0\u4f9b\u5fc5\u8981\u7684\u8fde\u63a5\u53c2\u6570\u5982\u4e3b\u673a\u540d\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u6570\u636e\u5e93\u540d\u79f0\u7b49\uff0c\u5efa\u7acb\u8fde\u63a5\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n host='localhost',<\/p>\n user='yourusername',<\/p>\n password='yourpassword',<\/p>\n database='yourdatabase'<\/p>\n )<\/p>\n <\/code><\/pre>\n<\/p>\n \u8fd9\u6bb5\u4ee3\u7801\u521b\u5efa\u4e86\u4e00\u4e2a\u8fde\u63a5\u5bf9\u8c61 \u5728\u5b9e\u73b0Python\u67e5\u8be2\u5b66\u53f7\u4e4b\u524d\uff0c\u9996\u5148\u5fc5\u987b\u4e0e\u6570\u636e\u5e93\u5efa\u7acb\u8fde\u63a5\u3002\u5bf9\u4e8e\u4e0d\u540c\u7c7b\u578b\u7684\u6570\u636e\u5e93\uff0cPython\u63d0\u4f9b\u4e86\u591a\u79cd\u8fde\u63a5\u65b9\u5f0f\u3002\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u4ee5MySQL\u4e3a\u4f8b\u8fdb\u884c\u8be6\u7ec6\u8bf4\u660e\u3002<\/p>\n<\/p>\n \u8981\u8fde\u63a5MySQL\u6570\u636e\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5\u76f8\u5e94\u7684Python\u9a71\u52a8\u3002\u5e38\u7528\u7684MySQL\u9a71\u52a8\u6709 <\/code><\/pre>\n<\/p>\n \u5b89\u88c5\u597d\u9a71\u52a8\u540e\uff0c\u5728Python\u811a\u672c\u4e2d\u5bfc\u5165\u8be5\u6a21\u5757\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u4f7f\u7528 host='localhost',<\/p>\n user='root',<\/p>\n password='password',<\/p>\n database='school'<\/p>\n )<\/p>\n <\/code><\/pre>\n<\/p>\n \u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c \u8fde\u63a5\u6210\u529f\u540e\uff0c\u53ef\u4ee5\u5f00\u59cb\u6267\u884c\u67e5\u8be2\u64cd\u4f5c\u3002\u67e5\u8be2\u5b66\u53f7\u901a\u5e38\u6d89\u53ca\u4ece\u5b66\u751f\u8868\u4e2d\u68c0\u7d22\u6570\u636e\u3002<\/p>\n<\/p>\n \u5728\u6267\u884cSQL\u67e5\u8be2\u4e4b\u524d\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u6e38\u6807\u5bf9\u8c61\u3002\u6e38\u6807\u7528\u4e8e\u5728\u6570\u636e\u5e93\u4e2d\u6267\u884c\u67e5\u8be2\u548c\u83b7\u53d6\u7ed3\u679c\u96c6\u3002<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u7f16\u5199SQL\u67e5\u8be2\u8bed\u53e5\u4ee5\u68c0\u7d22\u5b66\u53f7\u3002\u5047\u8bbe\u5b66\u751f\u4fe1\u606f\u5b58\u50a8\u5728\u540d\u4e3a <\/code><\/pre>\n<\/p>\n \u5728\u8fd9\u6761\u8bed\u53e5\u4e2d\uff0c \u4f7f\u7528\u6e38\u6807\u5bf9\u8c61\u7684 cursor.execute(query, (name,))<\/p>\n <\/code><\/pre>\n<\/p>\n \u4f7f\u7528\u6e38\u6807\u7684 print(result)<\/p>\n <\/code><\/pre>\n<\/p>\n \u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u540e\uff0c\u9700\u8981\u5bf9\u7ed3\u679c\u8fdb\u884c\u5904\u7406\u3002\u6839\u636e\u5177\u4f53\u5e94\u7528\u573a\u666f\uff0c\u53ef\u80fd\u9700\u8981\u5c06\u7ed3\u679c\u663e\u793a\u7ed9\u7528\u6237\u6216\u7528\u4e8e\u8fdb\u4e00\u6b65\u7684\u8ba1\u7b97\u3002<\/p>\n<\/p>\n \u9996\u5148\u68c0\u67e5\u7ed3\u679c\u96c6\u662f\u5426\u4e3a\u7a7a\uff0c\u4ee5\u786e\u4fdd\u67e5\u8be2\u6210\u529f\u3002<\/p>\n<\/p>\n print(f"Student ID: {result[0]}")<\/p>\n else:<\/p>\n print("No student found with the given name.")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5982\u679c\u67e5\u8be2\u53ef\u80fd\u8fd4\u56de\u591a\u884c\u7ed3\u679c\uff0c\u4f7f\u7528 for row in results:<\/p>\n print(f"Student ID: {row[0]}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u64cd\u4f5c\u5b8c\u6210\u540e\uff0c\u5173\u95ed\u6e38\u6807\u548c\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u4ee5\u91ca\u653e\u8d44\u6e90\u3002<\/p>\n<\/p>\n \u8c03\u7528\u6e38\u6807\u5bf9\u8c61\u7684 <\/code><\/pre>\n<\/p>\n \u8c03\u7528\u8fde\u63a5\u5bf9\u8c61\u7684 <\/code><\/pre>\n<\/p>\n \u5728\u6570\u636e\u5e93\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\uff0c\u53ef\u80fd\u4f1a\u53d1\u751f\u5f02\u5e38\uff0c\u56e0\u6b64\u9700\u8981\u6dfb\u52a0\u5f02\u5e38\u5904\u7406\u673a\u5236\uff0c\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u7a33\u5b9a\u6027\u3002<\/p>\n<\/p>\n \u5c06\u6570\u636e\u5e93\u64cd\u4f5c\u4ee3\u7801\u653e\u5165 # \u6570\u636e\u5e93\u64cd\u4f5c\u4ee3\u7801<\/p>\n except mysql.connector.Error as err:<\/p>\n print(f"Error: {err}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u6839\u636e\u9700\u8981\u6355\u83b7\u7279\u5b9a\u7684\u5f02\u5e38\u7c7b\u578b\uff0c\u5e76\u63d0\u4f9b\u76f8\u5e94\u7684\u5904\u7406\u63aa\u65bd\u3002<\/p>\n<\/p>\n print(f"Interface Error: {err}")<\/p>\n except mysql.connector.DatabaseError as err:<\/p>\n print(f"Database Error: {err}")<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728\u5927\u6570\u636e\u91cf\u7684\u60c5\u51b5\u4e0b\uff0c\u67e5\u8be2\u6027\u80fd\u53ef\u80fd\u6210\u4e3a\u74f6\u9888\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n \u786e\u4fdd\u5728\u67e5\u8be2\u5b57\u6bb5\uff08\u5982\u5b66\u53f7\u3001\u59d3\u540d\uff09\u4e0a\u521b\u5efa\u7d22\u5f15\uff0c\u4ee5\u52a0\u901f\u67e5\u8be2\u64cd\u4f5c\u3002<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u5982\u679c\u53ea\u9700\u8981\u524d\u51e0\u6761\u8bb0\u5f55\uff0c\u53ef\u4ee5\u4f7f\u7528 <\/code><\/pre>\n<\/p>\n \u5bf9\u4e8e\u9700\u8981\u5206\u9875\u663e\u793a\u7684\u7ed3\u679c\uff0c\u4f7f\u7528 <\/code><\/pre>\n<\/p>\n \u4f7f\u7528ORM\uff08\u5bf9\u8c61\u5173\u7cfb\u6620\u5c04\uff09\u6846\u67b6\u53ef\u4ee5\u7b80\u5316\u6570\u636e\u5e93\u64cd\u4f5c\uff0c\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027\u3002\u5e38\u7528\u7684ORM\u6846\u67b6\u6709SQLAlchemy\u548cDjango ORM\u3002<\/p>\n<\/p>\n \u9996\u5148\u5b89\u88c5SQLAlchemy\uff1a<\/p>\n<\/p>\n <\/code><\/pre>\n<\/p>\n \u5728SQLAlchemy\u4e2d\uff0c\u5b9a\u4e49\u4e00\u4e2a\u7c7b\u6765\u6620\u5c04\u6570\u636e\u5e93\u8868\u3002<\/p>\n<\/p>\n from sqlalchemy.ext.declarative import declarative_base<\/p>\n Base = declarative_base()<\/p>\n class Student(Base):<\/p>\n __tablename__ = 'students'<\/p>\n id = Column(Integer, primary_key=True)<\/p>\n name = Column(String)<\/p>\n <\/code><\/pre>\n<\/p>\n \u4f7f\u7528SQLAlchemy\u7684\u67e5\u8be2\u63a5\u53e3\u67e5\u8be2\u5b66\u53f7\u3002<\/p>\n<\/p>\n engine = create_engine('mysql+mysqlconnector:\/\/root:password@localhost\/school')<\/p>\n Session = sessionmaker(bind=engine)<\/p>\n session = Session()<\/p>\n student = session.query(Student).filter_by(name='John Doe').first()<\/p>\n print(student.id if student else "No student found")<\/p>\n <\/code><\/pre>\n<\/p>\n \u4f7f\u7528Python\u67e5\u8be2\u5b66\u53f7\u6d89\u53ca\u591a\u4e2a\u6b65\u9aa4\uff0c\u5305\u62ec\u8fde\u63a5\u6570\u636e\u5e93\u3001\u6267\u884c\u67e5\u8be2\u3001\u5904\u7406\u7ed3\u679c\u548c\u5173\u95ed\u8fde\u63a5\u3002\u901a\u8fc7\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u548c\u4f7f\u7528ORM\u6846\u67b6\uff0c\u53ef\u4ee5\u63d0\u9ad8\u7a0b\u5e8f\u7684\u6548\u7387\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d\uff0c\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u548c\u5de5\u5177\uff0c\u4ee5\u5b9e\u73b0\u6700\u4f73\u7684\u67e5\u8be2\u6548\u679c\u3002<\/p>\n<\/p>\n \u5982\u4f55\u4f7f\u7528Python\u8fde\u63a5\u5230\u6570\u636e\u5e93\u8fdb\u884c\u5b66\u53f7\u67e5\u8be2\uff1f<\/strong> Python\u4e2d\u5982\u4f55\u5904\u7406\u67e5\u8be2\u7ed3\u679c\u5e76\u8f93\u51fa\uff1f<\/strong> \u662f\u5426\u53ef\u4ee5\u901a\u8fc7Python\u5b9e\u73b0\u5b66\u53f7\u7684\u6a21\u7cca\u67e5\u8be2\uff1f<\/strong>\n
mysql-connector-python<\/code>\u3002\u53ef\u4ee5\u4f7f\u7528pip install mysql-connector-python<\/code>\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<\/p>\n<\/li>\nimport mysql.connector<\/code>\u3002<\/p>\n<\/p>\n<\/li>\nconnection = mysql.connector.connect(<\/p>\nconnection<\/code>\uff0c\u8be5\u5bf9\u8c61\u5c06\u7528\u4e8e\u540e\u7eed\u7684\u67e5\u8be2\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<\/li>\n<\/ol>\n
\n\u4e00\u3001\u8fde\u63a5\u6570\u636e\u5e93<\/h3>\n<\/p>\n
1. \u5b89\u88c5\u6570\u636e\u5e93\u9a71\u52a8<\/h4>\n<\/p>\n
mysql-connector-python<\/code>\u548cPyMySQL<\/code>\u3002\u5728\u547d\u4ee4\u884c\u4e2d\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u53ef\u4ee5\u5b89\u88c5mysql-connector-python<\/code>\uff1a<\/p>\n<\/p>\npip install mysql-connector-python<\/p>\n2. \u5bfc\u5165\u6570\u636e\u5e93\u6a21\u5757<\/h4>\n<\/p>\n
import mysql.connector<\/p>\n3. \u521b\u5efa\u6570\u636e\u5e93\u8fde\u63a5<\/h4>\n<\/p>\n
mysql.connector.connect()<\/code>\u65b9\u6cd5\u5efa\u7acb\u8fde\u63a5\uff0c\u6240\u9700\u53c2\u6570\u5305\u62ec\u4e3b\u673a\u5730\u5740\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u548c\u6570\u636e\u5e93\u540d\u79f0\uff1a<\/p>\n<\/p>\nconnection = mysql.connector.connect(<\/p>\nlocalhost<\/code>\u662f\u6570\u636e\u5e93\u670d\u52a1\u5668\u5730\u5740\uff0croot<\/code>\u662f\u7528\u6237\u540d\uff0cpassword<\/code>\u662f\u5bc6\u7801\uff0cschool<\/code>\u662f\u6570\u636e\u5e93\u540d\u79f0\u3002\u786e\u4fdd\u8fd9\u4e9b\u4fe1\u606f\u51c6\u786e\u65e0\u8bef\u4ee5\u6210\u529f\u8fde\u63a5\u3002<\/p>\n<\/p>\n\u4e8c\u3001\u6267\u884c\u67e5\u8be2\u64cd\u4f5c<\/h3>\n<\/p>\n
1. \u521b\u5efa\u6e38\u6807\u5bf9\u8c61<\/h4>\n<\/p>\n
cursor = connection.cursor()<\/p>\n2. \u7f16\u5199\u67e5\u8be2\u8bed\u53e5<\/h4>\n<\/p>\n
students<\/code>\u7684\u8868\u4e2d\uff0c\u5b66\u53f7\u5b57\u6bb5\u540d\u4e3astudent_id<\/code>\u3002<\/p>\n<\/p>\nquery = "SELECT student_id FROM students WHERE name = %s"<\/p>\n%s<\/code>\u662f\u4e00\u4e2a\u5360\u4f4d\u7b26\uff0c\u7528\u4e8e\u9632\u6b62SQL\u6ce8\u5165\u653b\u51fb\u3002<\/p>\n<\/p>\n3. \u6267\u884c\u67e5\u8be2<\/h4>\n<\/p>\n
execute()<\/code>\u65b9\u6cd5\u6267\u884c\u67e5\u8be2\uff0c\u5c06\u5b9e\u9645\u53c2\u6570\u4f20\u9012\u7ed9\u5360\u4f4d\u7b26\u3002<\/p>\n<\/p>\nname = 'John Doe'<\/p>\n4. \u83b7\u53d6\u67e5\u8be2\u7ed3\u679c<\/h4>\n<\/p>\n
fetchall()<\/code>\u6216fetchone()<\/code>\u65b9\u6cd5\u83b7\u53d6\u67e5\u8be2\u7ed3\u679c\u3002<\/p>\n<\/p>\nresult = cursor.fetchone()<\/p>\n\u4e09\u3001\u5904\u7406\u67e5\u8be2\u7ed3\u679c<\/h3>\n<\/p>\n
1. \u68c0\u67e5\u7ed3\u679c\u96c6<\/h4>\n<\/p>\n
if result:<\/p>\n2. \u5904\u7406\u591a\u884c\u7ed3\u679c<\/h4>\n<\/p>\n
fetchall()<\/code>\u65b9\u6cd5\uff0c\u5e76\u904d\u5386\u7ed3\u679c\u96c6\u3002<\/p>\n<\/p>\nresults = cursor.fetchall()<\/p>\n\u56db\u3001\u5173\u95ed\u8fde\u63a5<\/h3>\n<\/p>\n
1. \u5173\u95ed\u6e38\u6807<\/h4>\n<\/p>\n
close()<\/code>\u65b9\u6cd5\u5173\u95ed\u6e38\u6807\u3002<\/p>\n<\/p>\ncursor.close()<\/p>\n2. \u5173\u95ed\u6570\u636e\u5e93\u8fde\u63a5<\/h4>\n<\/p>\n
close()<\/code>\u65b9\u6cd5\u5173\u95ed\u8fde\u63a5\u3002<\/p>\n<\/p>\nconnection.close()<\/p>\n\u4e94\u3001\u5f02\u5e38\u5904\u7406<\/h3>\n<\/p>\n
1. \u4f7f\u7528try-except\u5757<\/h4>\n<\/p>\n
try<\/code>\u5757\u4e2d\uff0c\u5e76\u5728except<\/code>\u5757\u4e2d\u5904\u7406\u53ef\u80fd\u7684\u5f02\u5e38\u3002<\/p>\n<\/p>\ntry:<\/p>\n2. \u6355\u83b7\u7279\u5b9a\u5f02\u5e38<\/h4>\n<\/p>\n
except mysql.connector.InterfaceError as err:<\/p>\n\u516d\u3001\u4f18\u5316\u67e5\u8be2\u6027\u80fd<\/h3>\n<\/p>\n
1. \u4f7f\u7528\u7d22\u5f15<\/h4>\n<\/p>\n
CREATE INDEX idx_student_name ON students (name);<\/p>\n2. \u9650\u5236\u8fd4\u56de\u884c\u6570<\/h4>\n<\/p>\n
LIMIT<\/code>\u5b50\u53e5\u9650\u5236\u8fd4\u56de\u7684\u884c\u6570\u3002<\/p>\n<\/p>\nquery = "SELECT student_id FROM students WHERE name = %s LIMIT 10"<\/p>\n3. \u5206\u9875\u67e5\u8be2<\/h4>\n<\/p>\n
OFFSET<\/code>\u548cLIMIT<\/code>\u7ed3\u5408\u7684\u65b9\u5f0f\u5b9e\u73b0\u5206\u9875\u3002<\/p>\n<\/p>\nquery = "SELECT student_id FROM students WHERE name = %s LIMIT 10 OFFSET 0"<\/p>\n\u4e03\u3001\u4f7f\u7528ORM\u6846\u67b6<\/h3>\n<\/p>\n
1. \u5b89\u88c5SQLAlchemy<\/h4>\n<\/p>\n
pip install sqlalchemy<\/p>\n2. \u5b9a\u4e49\u6a21\u578b\u7c7b<\/h4>\n<\/p>\n
from sqlalchemy import create_engine, Column, Integer, String<\/p>\n3. \u67e5\u8be2\u5b66\u53f7<\/h4>\n<\/p>\n
from sqlalchemy.orm import sessionmaker<\/p>\n\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
\u4e3a\u4e86\u67e5\u8be2\u5b66\u53f7\uff0c\u60a8\u9700\u8981\u9996\u5148\u5efa\u7acb\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684sqlite3<\/code>\u6216pymysql<\/code>\u6a21\u5757\u6765\u8fde\u63a5\u5230SQLite\u6216MySQL\u7b49\u6570\u636e\u5e93\u3002\u8fde\u63a5\u540e\uff0c\u60a8\u53ef\u4ee5\u901a\u8fc7SQL\u8bed\u53e5\u6267\u884c\u67e5\u8be2\uff0c\u627e\u5230\u7279\u5b9a\u5b66\u53f7\u7684\u8bb0\u5f55\u3002<\/p>\n
\u5728\u6267\u884c\u67e5\u8be2\u540e\uff0c\u4f7f\u7528\u6e38\u6807\u5bf9\u8c61\u7684fetchall()<\/code>\u6216fetchone()<\/code>\u65b9\u6cd5\u6765\u83b7\u53d6\u7ed3\u679c\u3002\u83b7\u53d6\u5230\u7684\u7ed3\u679c\u901a\u5e38\u662f\u4e00\u4e2a\u5143\u7ec4\u6216\u5217\u8868\uff0c\u60a8\u53ef\u4ee5\u904d\u5386\u8fd9\u4e9b\u7ed3\u679c\u5e76\u683c\u5f0f\u5316\u8f93\u51fa\uff0c\u4ee5\u4fbf\u66f4\u76f4\u89c2\u5730\u5c55\u793a\u67e5\u8be2\u7684\u5b66\u53f7\u4fe1\u606f\u3002<\/p>\n
\u53ef\u4ee5\u901a\u8fc7\u5728SQL\u67e5\u8be2\u4e2d\u4f7f\u7528LIKE<\/code>\u5173\u952e\u5b57\u6765\u5b9e\u73b0\u6a21\u7cca\u67e5\u8be2\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u67e5\u627e\u4ee5\u7279\u5b9a\u5b57\u7b26\u5f00\u5934\u7684\u5b66\u53f7\uff0c\u53ef\u4ee5\u4f7f\u7528SELECT * FROM students WHERE student_id LIKE '2023%'<\/code>\u3002\u8fd9\u6837\uff0c\u60a8\u53ef\u4ee5\u83b7\u53d6\u6240\u6709\u4ee5\u201c2023\u201d\u5f00\u5934\u7684\u5b66\u53f7\u8bb0\u5f55\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u4f7f\u7528Python\u67e5\u8be2\u5b66\u53f7\u7684\u5173\u952e\u6b65\u9aa4\u5305\u62ec\uff1a\u8fde\u63a5\u6570\u636e\u5e93\u3001\u6267\u884c\u67e5\u8be2\u3001\u5904\u7406\u7ed3\u679c\u3002\u5728\u6b64\u57fa\u7840\u4e0a\uff0c\u8be6\u7ec6\u63cf\u8ff0\u8fde\u63a5\u6570\u636e\u5e93\u8fd9\u4e00\u8fc7\u7a0b […]","protected":false},"author":3,"featured_media":990863,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/990856"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=990856"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/990856\/revisions"}],"predecessor-version":[{"id":990865,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/990856\/revisions\/990865"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/990863"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=990856"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=990856"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=990856"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}