{"id":960,"date":"2026-03-26T06:24:44","date_gmt":"2026-03-26T06:24:44","guid":{"rendered":"https:\/\/blog.nimail.cn\/?p=960"},"modified":"2026-03-26T06:24:44","modified_gmt":"2026-03-26T06:24:44","slug":"%e5%a6%82%e4%bd%95%e8%a3%81%e5%89%aa%e5%9b%be%e7%89%87-%e5%9c%a8%e7%ba%bf%e5%85%8d%e8%b4%b9%e7%85%a7%e7%89%87%e8%a3%81%e5%89%aa%e5%b7%a5%e5%85%b7%e4%b8%8e%e6%89%b9%e9%87%8f%e5%a4%84%e7%90%86","status":"publish","type":"post","link":"https:\/\/blog.nimail.cn\/best-articles\/%e5%a6%82%e4%bd%95%e8%a3%81%e5%89%aa%e5%9b%be%e7%89%87-%e5%9c%a8%e7%ba%bf%e5%85%8d%e8%b4%b9%e7%85%a7%e7%89%87%e8%a3%81%e5%89%aa%e5%b7%a5%e5%85%b7%e4%b8%8e%e6%89%b9%e9%87%8f%e5%a4%84%e7%90%86\/","title":{"rendered":"\u5982\u4f55\u88c1\u526a\u56fe\u7247\uff1a\u5728\u7ebf\u514d\u8d39\u7167\u7247\u88c1\u526a\u5de5\u5177\u4e0e\u6279\u91cf\u5904\u7406"},"content":{"rendered":"

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\u5728\u65e5\u5e38\u9879\u76ee\u91cc\uff0c\u5982\u4f55\u88c1\u526a\u56fe\u7247<\/strong>\u662f\u6700\u5e38\u9047\u5230\u7684\u9700\u6c42\uff1a\u4e00\u5bf8\u7167\u7247\u88c1\u526a\u3001\u5706\u5f62\u56fe\u7247\u88c1\u526a\u3001\u56fe\u7247\u88c1\u526a\u6210\u4efb\u610f\u5f62\u72b6\u6216\u505a\u539f\u56fe\u7247\u526a\u88c1\u9884\u89c8\u56fe\u3002\u5bf9\u4e8e\u4e0d\u60f3\u5b89\u88c5\u8f6f\u4ef6\u7684\u4eba\uff0cnimail\u5728\u7ebf\u88c1\u526a\u5de5\u5177<\/a>\u63d0\u4f9b\u4e86\u76f4\u89c2\u7684\u56fe\u7247\u88c1\u526a\u5728\u7ebf\u514d\u8d39<\/span>\u65b9\u6848\u3002<\/p>\n

\n \u5c0f\u8d34\u58eb\uff1a\u6253\u5f00\u94fe\u63a5\u540e\u53ef\u4ee5\u76f4\u63a5\u62d6\u62fd\u56fe\u7247\u6216\u8005\u7c98\u8d34 URL\uff0c\u652f\u6301\u56fe\u7247\u5728\u7ebf\u88c1\u526a\u3001\u56fe\u7247\u526a\u5207\u548c\u56fe\u7247\u5206\u5272\u7b49\u57fa\u672c\u529f\u80fd\u3002\n<\/div>\n

\u5178\u578b\u6b65\u9aa4<\/h3>\n
    \n
  • \u4e0a\u4f20\u6216\u7c98\u8d34\u56fe\u7247\uff08\u652f\u6301\u5927\u591a\u6570\u5e38\u89c1\u683c\u5f0f\uff09<\/li>\n
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  • \u62d6\u52a8\u88c1\u526a\u6846\uff0c\u6216\u8f93\u5165\u50cf\u7d20\u6570\u5b9e\u73b0\u7cbe\u786e\u88c1\u526a<\/li>\n
  • \u5bfc\u51fa\u4e3a PNG\/JPEG\uff0c\u6216\u7ee7\u7eed\u8fdb\u884c\u56fe\u7247\u6279\u91cf\u88c1\u526a<\/li>\n<\/ul>\n

    \u8fdb\u9636\u6280\u5de7\uff1a\u6279\u91cf\u88c1\u526a\u4e0e\u4efb\u610f\u5f62\u72b6\u5904\u7406<\/h2>\n

    \u5f53\u9762\u5bf9\u5927\u91cf\u56fe\u7247\u65f6\uff0c\u56fe\u7247\u6279\u91cf\u88c1\u526a<\/strong>\u662f\u63d0\u9ad8\u6548\u7387\u7684\u5173\u952e\u3002nimail \u7684\u5de5\u5177\u867d\u7136\u4ee5\u5355\u5f20\u64cd\u4f5c\u4e3a\u4e3b\uff0c\u4f46\u4e5f\u80fd\u914d\u5408\u672c\u5730\u811a\u672c\u6216\u6d4f\u89c8\u5668\u63d2\u4ef6\u5b9e\u73b0\u6279\u91cf\u5316\u6d41\u7a0b\u3002\u5e38\u89c1\u9700\u6c42\u5305\u62ec\u6279\u91cf\u88c1\u526a\u56fe\u7247\u5230\u56fa\u5b9a\u5c3a\u5bf8\u3001\u6279\u91cf\u5706\u5f62\u56fe\u7247\u88c1\u526a\u4ee5\u7528\u4e8e\u5934\u50cf\u96c6\u3001\u4ee5\u53ca\u4f9d\u636e\u6a21\u677f\u6279\u91cf\u751f\u6210\u7f29\u7565\u56fe\u3002<\/p>\n

    \n
    \n

    \u5de5\u5177\u5bf9\u6bd4\uff08\u7b80\u8868\uff09<\/h4>\n\n\n\n\n\n\n\n
    \u529f\u80fd<\/th>\n\u5728\u7ebf\u5de5\u5177\uff08\u5982 nimail\uff09<\/th>\n\u672c\u5730\u8f6f\u4ef6 \/ \u811a\u672c<\/th>\n<\/tr>\n<\/thead>\n
    \u5355\u56fe\u5feb\u901f\u88c1\u526a<\/td>\n\u2713<\/td>\n\u2713<\/td>\n<\/tr>\n
    \u6279\u91cf\u88c1\u526a<\/td>\n\u90e8\u5206\u652f\u6301\uff0c\u9700\u914d\u5408\u811a\u672c<\/td>\n\u2713\uff08\u9ad8\u6548\uff09<\/td>\n<\/tr>\n
    \u56fe\u7247\u88c1\u526a\u6210\u4efb\u610f\u5f62\u72b6<\/td>\n\u57fa\u7840\u906e\u7f69\/\u5706\u5f62\u652f\u6301<\/td>\n\u66f4\u7075\u6d3b\uff08\u81ea\u5b9a\u4e49\u8499\u7248\uff09<\/td>\n<\/tr>\n<\/tbody>\n<\/table><\/div>\n<\/div>\n

    \u5982\u679c\u4f60\u60f3\u76f4\u63a5\u5728\u6d4f\u89c8\u5668\u5185\u8fdb\u884c\u5728\u7ebf\u5207\u56fe<\/strong>\u4e0e\u56fe\u7247\u5206\u5272\u5668\u5728\u7ebf\u4f7f\u7528<\/span>\u7684\u8bd5\u9a8c\uff0cnimail \u9875\u9762\u63d0\u4f9b\u4e86\u76f4\u89c2\u7684\u62d6\u62fd\u548c\u9884\u89c8\u529f\u80fd\uff0c\u7279\u522b\u9002\u5408\u505a\u539f\u56fe\u7247\u526a\u88c1\u9884\u89c8\u56fe\u68c0\u9a8c\u3002<\/p>\n

    \u5f00\u53d1\u8005\u5de5\u5177\uff1aPython\u793a\u4f8b\u4e0e\u5b9e\u6218\u5efa\u8bae<\/h2>\n

    \u4e0b\u9762\u7ed9\u51fa\u4e00\u4e2a\u7b80\u5355\u7684 Python \u793a\u4f8b\uff0c\u6f14\u793a\u5982\u4f55\u4f7f\u7528 Pillow \u6279\u91cf\u88c1\u526a\u56fe\u7247\u4e3a\u5b9a\u5c3a\u5bf8\uff08\u9002\u5408\u505a\u6279\u91cf\u88c1\u526a\u56fe\u7247\u6216\u4e3a\u7f51\u7ad9\u751f\u6210\u7f29\u7565\u56fe\uff09\u3002\u628a\u4e0b\u9762\u811a\u672c\u653e\u5230\u9879\u76ee\u4e2d\u5373\u53ef\u5feb\u901f\u6279\u91cf\u5904\u7406\u3002<\/p>\n

    \n
    \n
    from PIL import Image\nimport os\n\ninput_dir = 'input_images'\noutput_dir = 'output_images'\nos.makedirs(output_dir, exist_ok=True)\n\n# \u5c06\u56fe\u7247\u4e2d\u5fc3\u88c1\u526a\u4e3a\u6b63\u65b9\u5f62\u5e76\u7f29\u653e\u5230 256x256\ndef crop_center_square(im, size=256):\n    w, h = im.size\n    min_side = min(w, h)\n    left = (w - min_side) \/\/ 2\n    top = (h - min_side) \/\/ 2\n    right = left + min_side\n    bottom = top + min_side\n    im_cropped = im.crop((left, top, right, bottom))\n    return im_cropped.resize((size, size), Image.LANCZOS)\n\nfor fname in os.listdir(input_dir):\n    if fname.lower().endswith(('jpg', 'jpeg', 'png')):\n        path = os.path.join(input_dir, fname)\n        with Image.open(path) as im:\n            out = crop_center_square(im, 256)\n            out.save(os.path.join(output_dir, fname))\n<\/code><\/pre>\n<\/p><\/div>\n<\/div>\n
    \u4e0a\u8ff0\u811a\u672c\u9002\u5408\u505a\u7f51\u7ad9\u5934\u50cf\u6279\u91cf\u751f\u6210\u3002\u5982\u679c\u9700\u8981\u5706\u5f62\u56fe\u7247\u88c1\u526a<\/strong>\uff0c\u53ef\u4ee5\u5728\u88c1\u526a\u540e\u53e0\u52a0\u900f\u660e\u8499\u7248\uff0c\u6216\u5728\u524d\u7aef CSS \u4e2d\u7528 border-radius \u5b9e\u73b0\u3002<\/p>\n
    \n  \u63a8\u8350\u5b9e\u8df5\uff1a\u628a \u56fe\u7247\u88c1\u526a\u5de5\u5177\u5728\u7ebf<\/strong>\uff08\u5982 nimail\uff09\u4f5c\u4e3a\u5feb\u901f\u9884\u89c8\u4e0e\u624b\u5de5\u8c03\u6574\u5de5\u5177\uff0c\u590d\u6742\u7684\u6279\u91cf\u4efb\u52a1\u7528\u811a\u672c\u6216\u56fe\u7247\u88c1\u526a\u8f6f\u4ef6\u6765\u5b8c\u6210\uff0c\u8fd9\u6837\u517c\u987e\u6548\u7387\u4e0e\u7cbe\u51c6\u5ea6\u3002\n<\/div>\n
    \u5e38\u89c1\u573a\u666f\u5feb\u901f\u53c2\u8003<\/h4>\n
      \n
    • \u4e00\u5bf8\u7167\u7247\u88c1\u526a\uff1a\u9009\u62e9\u4e00\u5bf8\u6a21\u677f\u6216\u8f93\u5165\u50cf\u7d20\uff0c\u68c0\u67e5 DPI \u540e\u5bfc\u51fa\u3002<\/li>\n
    • \u56fe\u7247\u526a\u88c1\u4e0e\u56fe\u7247\u5207\u5272\uff1a\u7528\u4e8e\u5206\u5272\u5927\u56fe\u4e3a\u82e5\u5e72\u53ef\u7528\u7684\u9875\u9762\u56fe\u5757\u3002<\/li>\n
    • \u56fe\u7247\u526a\u88c1\u5de5\u5177\u5728\u7ebf + \u672c\u5730\u811a\u672c\uff1a\u6df7\u5408\u6d41\u7a0b\u63d0\u9ad8\u7a33\u5b9a\u6027\u4e0e\u81ea\u52a8\u5316\u80fd\u529b\u3002<\/li>\n<\/ul>\n
      \u5982\u679c\u9700\u8981\u5c06 \u56fe\u7247\u526a\u88c1\u3001\u5c0f\u5de5\u5177<\/strong>\u96c6\u6210\u5230\u540e\u53f0\u7ba1\u7406\u7cfb\u7edf\uff0c\u5efa\u8bae\u628a nimail \u505a\u4e3a\u53c2\u8003\uff0c\u5b66\u4e60\u5176\u4ea4\u4e92\u7ec6\u8282\uff0c\u7136\u540e\u7528\u524d\u7aef canvas \u6216\u540e\u7aef\u56fe\u50cf\u5904\u7406\u5e93\u5b9e\u73b0\u81ea\u52a8\u5316\u63a5\u53e3\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
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