{"id":1020,"date":"2026-03-18T17:07:02","date_gmt":"2026-03-18T09:07:02","guid":{"rendered":"https:\/\/yunyanglib.cn\/?p=1020"},"modified":"2026-03-18T17:07:03","modified_gmt":"2026-03-18T09:07:03","slug":"%e3%80%90mysql%e3%80%91python-%e6%93%8d%e4%bd%9c-mysql-%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e5%ae%9e%e6%88%98","status":"publish","type":"post","link":"https:\/\/yunyanglib.cn\/?p=1020","title":{"rendered":"\u3010MySQL\u3011Python \u64cd\u4f5c MySQL \u4ece\u5165\u95e8\u5230\u5b9e\u6218"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\u597d\u5440\uff5e \u6700\u8fd1\u5f88\u591a\u670b\u53cb\u95ee\u6211\u600e\u4e48\u7528 Python \u5feb\u901f\u64cd\u4f5c MySQL \u6570\u636e\u5e93\uff0c\u4eca\u5929\u5c31\u6574\u7406\u4e86\u4e00\u4efd\u4ece\u73af\u5883\u642d\u5efa\u5230\u5b9e\u6218\u64cd\u4f5c\u7684\u5b8c\u6574\u6559\u7a0b\uff0c\u4e0d\u7ba1\u662f Python \u65b0\u624b\u8fd8\u662f\u521a\u63a5\u89e6\u6570\u636e\u5e93\u7684\u540c\u5b66\uff0c\u8ddf\u7740\u6b65\u9aa4\u8d70\u90fd\u80fd\u8f7b\u677e\u4e0a\u624b\uff01\u8bdd\u4e0d\u591a\u8bf4\uff0c\u76f4\u63a5\u4e0a\u5e72\u8d27\uff5e<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1 \u57fa\u7840\u73af\u5883\u51c6\u5907<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u60f3\u8981\u987a\u5229\u8fdb\u884c\u540e\u7eed\u64cd\u4f5c\uff0c\u5148\u628a\u57fa\u7840\u73af\u5883\u642d\u597d\uff0c\u8fd9\u4e00\u6b65\u5f88\u7b80\u5355\uff0c\u8ddf\u7740\u5b98\u7f51\u6307\u5f15\u6765\u5c31\u884c\uff5e<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1.1 Windows \u5b89\u88c5 Python3<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b98\u65b9\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/www.python.org\/downloads\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/www.python.org\/downloads\/<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"470\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17-1024x470.png\" alt=\"\" class=\"wp-image-1022\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17-1024x470.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17-300x138.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17-768x353.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17-1536x706.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-17.png 1833w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b89\u88c5\u6ce8\u610f\uff1a\u52fe\u9009\u300cAdd Python to PATH\u300d\uff0c\u8fd9\u6837\u540e\u7eed\u5728\u547d\u4ee4\u884c\u5c31\u80fd\u76f4\u63a5\u8c03\u7528 Python \u5566<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"998\" height=\"527\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-18.png\" alt=\"\" class=\"wp-image-1023\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-18.png 998w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-18-300x158.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-18-768x406.png 768w\" sizes=\"(max-width: 998px) 100vw, 998px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">1.2 \u5b89\u88c5 VS Code<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5b98\u65b9\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/code.visualstudio.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/code.visualstudio.com\/<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"481\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19-1024x481.png\" alt=\"\" class=\"wp-image-1024\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19-1024x481.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19-300x141.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19-768x360.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19-1536x721.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-19.png 1790w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u63a8\u8350\u63d2\u4ef6\uff1aPython\uff08\u5fae\u8f6f\u5b98\u65b9\u63d2\u4ef6\uff09\u3001Code Runner\uff08\u4e00\u952e\u8fd0\u884c\u4ee3\u7801\uff09<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">1.3 \u521b\u5efa Python \u6587\u4ef6<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u6253\u5f00 VS Code \u2192 \u65b0\u5efa\u6587\u4ef6 \u2192 \u4fdd\u5b58\u4e3a <code>mysql_operation.py<\/code>\uff08\u540e\u7f00\u5fc5\u987b\u662f .py\uff09\uff0c\u51c6\u5907\u5f00\u59cb\u5199\u4ee3\u7801\uff5e<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"450\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20-1024x450.png\" alt=\"\" class=\"wp-image-1025\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20-1024x450.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20-300x132.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20-768x338.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20-1536x675.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-20.png 1690w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">2 Python \u57fa\u7840\u5feb\u901f\u56de\u987e<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5982\u679c\u662f\u521a\u5b66 Python \u7684\u540c\u5b66\uff0c\u5148\u638c\u63e1\u8fd9\u4e9b\u57fa\u7840\u5c31\u591f\u4e86\uff0c\u540e\u7eed\u64cd\u4f5c\u90fd\u4f1a\u7528\u5230\uff5e<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2.1 \u6ce8\u91ca\uff08\u4ee3\u7801\u8bf4\u660e\u5f88\u91cd\u8981\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5355\u884c\u6ce8\u91ca\uff1a\u7528 # \u5f00\u5934\uff0c\u6ce8\u91ca\u4e00\u884c\u5185\u5bb9\n# \u4e0b\u9762\u662f\u591a\u884c\u6ce8\u91ca\uff0c\u7528\u4e09\u4e2a\u5355\u5f15\u53f7\u6216\u53cc\u5f15\u53f7\u5305\u88f9\n'''\n\u591a\u884c\u6ce8\u91ca\u7b2c\u4e00\u884c\n\u591a\u884c\u6ce8\u91ca\u7b2c\u4e8c\u884c\n'''\n\n\"\"\"\n\u53cc\u5f15\u53f7\u7248\u591a\u884c\u6ce8\u91ca\n\u9002\u5408\u6ce8\u91ca\u8f83\u957f\u7684\u8bf4\u660e\n\"\"\"<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"534\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21-1024x534.png\" alt=\"\" class=\"wp-image-1026\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21-1024x534.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21-300x157.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21-768x401.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21-1536x802.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-21.png 1734w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.2 \u5e38\u7528\u6570\u636e\u7c7b\u578b<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u6574\u6570\u7c7b\u578b\uff1a\u7528\u4e8e\u5b58\u50a8\u5e74\u9f84\u3001\u7f16\u53f7\u7b49\u6574\u6570\nage = 25\n# \u6d6e\u70b9\u6570\u7c7b\u578b\uff1a\u7528\u4e8e\u5b58\u50a8\u5c0f\u6570\npi = 3.14\nprint(type(pi))  # \u8f93\u51fa &lt;class 'float'>\uff0c\u67e5\u770b\u6570\u636e\u7c7b\u578b\n\n# \u5b57\u7b26\u4e32\u7c7b\u578b\uff1a\u7528\u4e8e\u5b58\u50a8\u59d3\u540d\u3001\u6587\u672c\u7b49\nname = \"maria\"\nprint(type(name))  # \u8f93\u51fa  &lt;class 'str'>\n\n# \u8f93\u51fa\u65b9\u5f0f\u793a\u4f8b\nprint(\"\u4f60\u597d\uff0cPython\uff01\")  # \u76f4\u63a5\u8f93\u51fa\u5b57\u7b26\u4e32\nprint(name)  # \u8f93\u51fa\u53d8\u91cf\nprint(\"\u540d\u5b57\u662f\uff1a\", name)  # \u5b57\u7b26\u4e32\u548c\u53d8\u91cf\u7ec4\u5408\u8f93\u51fa<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"545\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22-1024x545.png\" alt=\"\" class=\"wp-image-1027\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22-1024x545.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22-300x160.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22-768x409.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22-1536x818.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-22.png 1743w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.3 \u6761\u4ef6\u5224\u65ad\uff08\u6839\u636e\u6761\u4ef6\u6267\u884c\u4e0d\u540c\u903b\u8f91\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>score = 91\nif score >= 90:\n    print(\"\u4f18\u79c0\")  # \u6ee1\u8db3\u6761\u4ef6\u65f6\u6267\u884c\nelif score >= 80:\n    print(\"\u826f\u597d\")\nelif score >= 60:\n    print(\"\u53ca\u683c\")\nelse:\n    print(\"\u4e0d\u53ca\u683c\")  # \u6240\u6709\u6761\u4ef6\u90fd\u4e0d\u6ee1\u8db3\u65f6\u6267\u884c<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"539\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23-1024x539.png\" alt=\"\" class=\"wp-image-1028\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23-1024x539.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23-300x158.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23-768x405.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23-1536x809.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-23.png 1663w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.4 \u5faa\u73af\uff08\u91cd\u590d\u6267\u884c\u4ee3\u7801\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># for \u5faa\u73af\uff1a\u904d\u5386\u5b57\u7b26\u4e32\u3001\u5217\u8868\u7b49\nname = \"maria\"\nfor char in name:\n    print(char)  # \u4f9d\u6b21\u8f93\u51fa m\u3001a\u3001r\u3001i\u3001a\n\n# while \u5faa\u73af\uff1a\u6839\u636e\u6761\u4ef6\u91cd\u590d\u6267\u884c\nname = \"maria\"\nindex = 0\nwhile index&lt;len(name):  # len(name) \u662f\u5b57\u7b26\u4e32\u957f\u5ea6\uff085\uff09\n    char = name&#91;index]\n    print(char)\n    index += 1  # \u7d22\u5f15\u81ea\u589e\uff0c\u907f\u514d\u6b7b\u5faa\u73af<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"702\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-24-1024x702.png\" alt=\"\" class=\"wp-image-1029\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-24-1024x702.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-24-300x206.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-24-768x527.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-24.png 1368w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">2.5 \u51fd\u6570\uff08\u5c01\u88c5\u53ef\u590d\u7528\u7684\u4ee3\u7801\uff09<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5b9a\u4e49\u51fd\u6570\uff1a\u6c42\u4e24\u4e2a\u6570\u7684\u6700\u5927\u503c\ndef max_value(a, b):\n    if a > b:\n        return a  # \u8fd4\u56de\u8f83\u5927\u503c\n    else:\n        return b\n\n# \u8c03\u7528\u51fd\u6570\nresult = max_value(2, 3)\nprint(result)  # \u8f93\u51fa 3<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"561\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25-1024x561.png\" alt=\"\" class=\"wp-image-1030\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25-1024x561.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25-300x164.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25-768x420.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25-1536x841.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-25.png 1646w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">3 Python \u64cd\u4f5c MySQL \u5b9e\u6218<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u90e8\u5206\u662f\u6838\u5fc3\uff01\u6559\u5927\u5bb6\u7528 Python \u5bf9 MySQL \u6267\u884c\u589e\u5220\u67e5\u6539\uff08CRUD\uff09\u64cd\u4f5c\uff5e<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e00\u6b65\uff1a\u521b\u5efa MySQL \u6d4b\u8bd5\u73af\u5883<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u5728 MySQL \u4e2d\u521b\u5efa\u6d4b\u8bd5\u8868\u548c\u4e13\u7528\u7528\u6237\uff0c\u907f\u514d\u4f7f\u7528 root \u7528\u6237\u76f4\u63a5\u64cd\u4f5c\uff08\u5b89\u5168\u89c4\u8303\uff09\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>-- \u521b\u5efa\u6d4b\u8bd5\u8868 test_table\nCREATE TABLE test_table (\n  id INT AUTO_INCREMENT PRIMARY KEY,  # \u81ea\u589e\u4e3b\u952e\n  name VARCHAR(255),  # \u59d3\u540d\n  age INT  # \u5e74\u9f84\n);\n\n-- \u521b\u5efa Python \u4e13\u7528\u64cd\u4f5c\u7528\u6237\nCREATE USER 'python_rw'@'%' IDENTIFIED BY 'Idyq8_a1';\n-- \u6388\u4e88\u589e\u5220\u67e5\u6539\u7b49\u6743\u9650\uff08\u6839\u636e\u5b9e\u9645\u9700\u6c42\u8c03\u6574\uff09\nGRANT create,alter,insert,delete,select,update ON *.* TO 'python_rw'@'%';<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"253\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-26-1024x253.png\" alt=\"\" class=\"wp-image-1031\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-26-1024x253.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-26-300x74.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-26-768x190.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-26.png 1291w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e8c\u6b65\uff1a\u5b89\u88c5 MySQL \u8fde\u63a5\u6a21\u5757<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Python \u672c\u8eab\u4e0d\u652f\u6301\u76f4\u63a5\u8fde\u63a5 MySQL\uff0c\u9700\u8981\u5b89\u88c5\u7b2c\u4e09\u65b9\u6a21\u5757\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install pymysql==1.1.0\n<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\uff08\u5982\u679c\u63d0\u793a pip \u4e0d\u662f\u5185\u90e8\u547d\u4ee4\uff0c\u68c0\u67e5 Python \u662f\u5426\u6dfb\u52a0\u5230\u73af\u5883\u53d8\u91cf\uff09<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b2c\u4e09\u6b65\uff1aPython \u589e\u5220\u67e5\u6539\u5b8c\u6574\u4ee3\u7801<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u628a\u4ee5\u4e0b\u4ee3\u7801\u590d\u5236\u5230 <code>mysql_operation.py<\/code> \u4e2d\uff0c\u4fee\u6539\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u5373\u53ef\u4f7f\u7528\uff5e<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u5bfc\u5165 pymysql \u5e93\nimport pymysql\nfrom pymysql.err import OperationalError, ProgrammingError\n\n# 1. \u5efa\u7acb\u6570\u636e\u5e93\u8fde\u63a5\uff08\u66ff\u6362\u4e3a\u4f60\u7684\u6570\u636e\u5e93\u4fe1\u606f\uff09\n# \u589e\u52a0\u8fde\u63a5\u53c2\u6570\uff0c\u63d0\u5347\u7a33\u5b9a\u6027\nconfig = {\n    'host': '192.168.184.151',  # \u6570\u636e\u5e93\u5730\u5740\n    'user': 'python_rw',  # \u7528\u6237\u540d\n    'password': 'Idyq8_a1',  # \u5bc6\u7801\n    'database': 'maria',  # \u6570\u636e\u5e93\u540d\n    'charset': 'utf8mb4',  # \u5b57\u7b26\u96c6\uff08\u907f\u514d\u4e2d\u6587\u4e71\u7801\uff09\n    'connect_timeout': 10,  # \u8fde\u63a5\u8d85\u65f6\u65f6\u95f4\uff08\u9632\u6b62\u5361\u6b7b\uff09\n    'cursorclass': pymysql.cursors.DictCursor  # \u53ef\u9009\uff1a\u8fd4\u56de\u5b57\u5178\u683c\u5f0f\u7ed3\u679c\uff0c\u66f4\u6613\u8bfb\n}\n\n# \u521d\u59cb\u5316\u8fde\u63a5\u548c\u6e38\u6807\u4e3aNone\uff0c\u907f\u514d\u7a7a\u5bf9\u8c61\u8c03\u7528\ncnx = None\ncursor = None\n\ntry:\n    # \u5148\u6d4b\u8bd5\u8fde\u63a5\u662f\u5426\u80fd\u6210\u529f\u5efa\u7acb\n    cnx = pymysql.connect(**config)\n    print(\"\u2705 \u6570\u636e\u5e93\u8fde\u63a5\u6210\u529f\")\n\n    # 2. \u521b\u5efa\u6e38\u6807\u5bf9\u8c61\n    cursor = cnx.cursor()\n\n    # 3. \u63d2\u5165\u6570\u636e\uff08INSERT\uff09\n    sql_insert = \"INSERT INTO test_table (name, age) VALUES (%s, %s)\"\n    values_insert = (\"John\", 25)\n    cursor.execute(sql_insert, values_insert)\n    cnx.commit()\n    print(f\"\ud83d\udce5 \u6570\u636e\u63d2\u5165\u6210\u529f\uff0c\u65b0\u589e\u8bb0\u5f55 ID\uff1a{cursor.lastrowid}\")\n\n    # 4. \u67e5\u8be2\u6570\u636e\uff08SELECT\uff09\n    sql_select = \"SELECT * FROM test_table\"\n    cursor.execute(sql_select)\n    rows = cursor.fetchall()\n    print(\"\\n\ud83d\udccb \u67e5\u8be2\u7ed3\u679c\uff1a\")\n    # \u9002\u914d DictCursor\uff0c\u7528\u952e\u53d6\u503c\uff08\u66f4\u76f4\u89c2\uff09\n    for row in rows:\n        print(f\"ID: {row&#91;'id']}, \u59d3\u540d: {row&#91;'name']}, \u5e74\u9f84: {row&#91;'age']}\")\n\n    # 5. \u66f4\u65b0\u6570\u636e\uff08UPDATE\uff09\n    sql_update = \"UPDATE test_table SET age = %s WHERE name = %s\"\n    values_update = (30, \"John\")\n    cursor.execute(sql_update, values_update)\n    cnx.commit()\n    print(f\"\\n\ud83d\udd04 \u6570\u636e\u66f4\u65b0\u6210\u529f\uff0c\u5f71\u54cd\u884c\u6570\uff1a{cursor.rowcount}\")\n\n    # 6. \u5220\u9664\u6570\u636e\uff08DELETE\uff09\n    sql_delete = \"DELETE FROM test_table WHERE name = %s\"\n    values_delete = (\"John\",)  # \u5355\u4e2a\u53c2\u6570\u4fdd\u7559\u9017\u53f7\n    cursor.execute(sql_delete, values_delete)\n    cnx.commit()\n    print(f\"\ud83d\uddd1\ufe0f  \u6570\u636e\u5220\u9664\u6210\u529f\uff0c\u5f71\u54cd\u884c\u6570\uff1a{cursor.rowcount}\")\n\nexcept OperationalError as e:\n    # \u4e13\u95e8\u6355\u83b7\u8fde\u63a5\u76f8\u5173\u9519\u8bef\uff08\u5730\u5740\/\u5bc6\u7801\/\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff09\n    print(f\"\u274c \u6570\u636e\u5e93\u8fde\u63a5\u5931\u8d25\uff1a{str(e)}\")\n    print(\"\u8bf7\u68c0\u67e5\uff1a1.\u6570\u636e\u5e93\u5730\u5740\u662f\u5426\u6b63\u786e 2.\u7528\u6237\u540d\/\u5bc6\u7801\u662f\u5426\u6b63\u786e 3.\u6570\u636e\u5e93\u662f\u5426\u5b58\u5728\")\nexcept ProgrammingError as e:\n    # \u4e13\u95e8\u6355\u83b7SQL\u8bed\u6cd5\/\u8868\u4e0d\u5b58\u5728\u9519\u8bef\n    print(f\"\u274c SQL\u6267\u884c\u5931\u8d25\uff1a{str(e)}\")\n    print(\"\u8bf7\u68c0\u67e5\uff1a1.test_table\u8868\u662f\u5426\u5b58\u5728 2.\u5b57\u6bb5\u540d\uff08name\/age\uff09\u662f\u5426\u6b63\u786e\")\nexcept Exception as e:\n    # \u5176\u4ed6\u672a\u77e5\u9519\u8bef\n    if cnx:  # \u53ea\u6709\u8fde\u63a5\u6210\u529f\u624d\u56de\u6eda\n        cnx.rollback()\n    print(f\"\u274c \u64cd\u4f5c\u5931\u8d25\uff1a{str(e)}\")\nfinally:\n    # 7. \u5b89\u5168\u5173\u95ed\u6e38\u6807\u548c\u8fde\u63a5\uff08\u5224\u65ad\u5bf9\u8c61\u662f\u5426\u5b58\u5728\uff0c\u907f\u514d\u7a7a\u6307\u9488\uff09\n    if cursor:\n        cursor.close()\n    if cnx:\n        cnx.close()\n    print(\"\\n\ud83d\udd0c \u6570\u636e\u5e93\u8fde\u63a5\u5df2\u5173\u95ed\")<\/code><\/pre>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"573\" src=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28-1024x573.png\" alt=\"\" class=\"wp-image-1033\" srcset=\"https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28-1024x573.png 1024w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28-300x168.png 300w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28-768x430.png 768w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28-1536x860.png 1536w, https:\/\/yunyanglib.cn\/wp-content\/uploads\/2026\/03\/image-28.png 1687w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">\u5173\u952e\u6ce8\u610f\u4e8b\u9879<\/h3>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u8fde\u63a5\u4fe1\u606f\u8981\u66ff\u6362\u4e3a\u4f60\u7684\u5b9e\u9645\u73af\u5883\uff08host\u3001database \u7b49\uff09<\/li>\n\n\n\n<li>\u6267\u884c\u63d2\u5165\u3001\u66f4\u65b0\u3001\u5220\u9664\u64cd\u4f5c\u540e\uff0c\u5fc5\u987b\u8c03\u7528 <code>cnx.commit()<\/code><\/li>\n\n\n\n<li>\u5355\u4e2a\u53c2\u6570\u7684 SQL \u8bed\u53e5\uff0cvalues \u8981\u52a0\u9017\u53f7\uff08\u5982 <code>(\"John\",)<\/code>\uff09<\/li>\n\n\n\n<li>\u4e00\u5b9a\u8981\u5173\u95ed\u6e38\u6807\u548c\u8fde\u63a5\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u9732<\/li>\n\n\n\n<li>\u5efa\u8bae\u7528 try-except \u6355\u83b7\u5f02\u5e38\uff0c\u4fdd\u8bc1\u7a0b\u5e8f\u7a33\u5b9a\u6027<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">\u4ee5\u4e0a\u5c31\u662f Python \u64cd\u4f5c MySQL \u7684\u5b8c\u6574\u6559\u7a0b\u5566\uff5e \u4ee3\u7801\u90fd\u7ecf\u8fc7\u5b9e\u9645\u6d4b\u8bd5\uff0c\u76f4\u63a5\u590d\u5236\u4fee\u6539\u8fde\u63a5\u4fe1\u606f\u5c31\u80fd\u8fd0\u884c\u3002\u5982\u679c\u5728\u64cd\u4f5c\u8fc7\u7a0b\u4e2d\u9047\u5230\u95ee\u9898\uff08\u6bd4\u5982\u8fde\u63a5\u5931\u8d25\u3001\u6743\u9650\u4e0d\u8db3\u7b49\uff09\uff0c\u6b22\u8fce\u5728\u8bc4\u8bba\u533a\u7559\u8a00\uff0c\u6211\u4f1a\u7b2c\u4e00\u65f6\u95f4\u56de\u590d\uff5e<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u53e6\u5916\uff0c\u540e\u7eed\u8fd8\u4f1a\u5206\u4eab MySQL \u6279\u91cf\u64cd\u4f5c\u3001\u4e8b\u52a1\u5904\u7406\u3001\u8fde\u63a5\u6c60\u4f18\u5316\u7b49\u8fdb\u9636\u5185\u5bb9\uff0c\u611f\u5174\u8da3\u7684\u5c0f\u4f19\u4f34\u53ef\u4ee5\u5173\u6ce8\u6211\u7684\u300c\u6570\u636e\u5e93\u6280\u672f\u4e13\u680f\u300d\uff0c\u4e00\u8d77\u89e3\u9501\u66f4\u591a\u5b9e\u7528\u6280\u5de7\uff5e \ud83c\udf1f<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\u597d\u5440\uff5e \u6700\u8fd1\u5f88\u591a\u670b\u53cb\u95ee\u6211\u600e\u4e48\u7528 Python \u5feb\u901f\u64cd\u4f5c MySQL \u6570\u636e\u5e93\uff0c\u4eca\u5929\u5c31\u6574\u7406\u4e86\u4e00\u4efd\u4ece\u73af\u5883<\/p>\n<div class=\"more-link\">\n\t\t\t\t <a href=\"https:\/\/yunyanglib.cn\/?p=1020\" class=\"link-btn theme-btn\"><span>Read More <\/span> <i class=\"fa fa-caret-right\"><\/i><\/a>\n\t\t\t<\/div>\n","protected":false},"author":1,"featured_media":1036,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[16],"class_list":["post-1020","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-mysql","tag-mysql"],"_links":{"self":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1020","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1020"}],"version-history":[{"count":3,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1020\/revisions"}],"predecessor-version":[{"id":1035,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/posts\/1020\/revisions\/1035"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=\/wp\/v2\/media\/1036"}],"wp:attachment":[{"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1020"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1020"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/yunyanglib.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1020"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}