{"id":66227,"date":"2024-10-14T15:38:20","date_gmt":"2024-10-14T07:38:20","guid":{"rendered":"https:\/\/server.hk\/cnblog\/66227\/"},"modified":"2024-10-14T15:38:20","modified_gmt":"2024-10-14T07:38:20","slug":"mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%9c%96%e7%89%87%e5%a3%93%e7%b8%ae%e6%8a%80%e8%a1%93%ef%bc%88mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e5%9c%96%e7%89%87%e5%a3%93%e7%b8%ae%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/66227\/","title":{"rendered":"MSSQL\u6578\u64da\u5eab\u4e2d\u7684\u5716\u7247\u58d3\u7e2e\u6280\u8853\uff08mssql\u6578\u64da\u5eab\u5716\u7247\u58d3\u7e2e\uff09"},"content":{"rendered":"<h1 id=\"mssql%e6%95%b8%e6%93%9a%e5%ba%ab%e4%b8%ad%e7%9a%84%e5%9c%96%e7%89%87%e5%a3%93%e7%b8%ae%e6%8a%80%e8%a1%93-PHQyGLusXk\">MSSQL\u6578\u64da\u5eab\u4e2d\u7684\u5716\u7247\u58d3\u7e2e\u6280\u8853<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u64da\u9a45\u52d5\u7684\u4e16\u754c\u4e2d\uff0c\u5716\u7247\u5df2\u6210\u70ba\u6578\u64da\u5eab\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u90e8\u5206\u3002\u7121\u8ad6\u662f\u96fb\u5b50\u5546\u52d9\u7db2\u7ad9\u7684\u7522\u54c1\u5716\u7247\uff0c\u9084\u662f\u793e\u4ea4\u5a92\u9ad4\u5e73\u53f0\u7684\u7528\u6236\u4e0a\u50b3\u7167\u7247\uff0c\u5716\u7247\u7684\u5b58\u5132\u548c\u7ba1\u7406\u90fd\u5c0d\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u6548\u7387\u6709\u8457\u91cd\u8981\u5f71\u97ff\u3002\u7279\u5225\u662f\u5728\u4f7f\u7528MSSQL\u6578\u64da\u5eab\u6642\uff0c\u5716\u7247\u7684\u58d3\u7e2e\u6280\u8853\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u5b58\u5132\u7a7a\u9593\u7684\u9700\u6c42\uff0c\u4e26\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u901f\u5ea6\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%9c%80%e8%a6%81%e5%9c%96%e7%89%87%e5%a3%93%e7%b8%ae%ef%bc%9f-PHQyGLusXk\">\u70ba\u4ec0\u9ebc\u9700\u8981\u5716\u7247\u58d3\u7e2e\uff1f<\/h2>\n<p>\u5716\u7247\u6587\u4ef6\u901a\u5e38\u4f54\u7528\u5927\u91cf\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u9019\u5c0d\u65bc\u6578\u64da\u5eab\u7684\u6027\u80fd\u548c\u7dad\u8b77\u4f86\u8aaa\u662f\u4e00\u500b\u6311\u6230\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u9700\u8981\u8003\u616e\u5716\u7247\u58d3\u7e2e\u7684\u539f\u56e0\uff1a<\/p>\n<ul>\n<li><strong>\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff1a<\/strong>\u58d3\u7e2e\u5716\u7247\u53ef\u4ee5\u986f\u8457\u6e1b\u5c11\u6240\u9700\u7684\u5b58\u5132\u7a7a\u9593\uff0c\u5f9e\u800c\u964d\u4f4e\u6578\u64da\u5eab\u7684\u904b\u884c\u6210\u672c\u3002<\/li>\n<li><strong>\u63d0\u9ad8\u6027\u80fd\uff1a<\/strong>\u8f03\u5c0f\u7684\u5716\u7247\u6587\u4ef6\u53ef\u4ee5\u52a0\u5feb\u6578\u64da\u6aa2\u7d22\u901f\u5ea6\uff0c\u6539\u5584\u7528\u6236\u9ad4\u9a57\u3002<\/li>\n<li><strong>\u6e1b\u5c11\u5e36\u5bec\u4f7f\u7528\uff1a<\/strong>\u5728\u7db2\u7d61\u50b3\u8f38\u904e\u7a0b\u4e2d\uff0c\u58d3\u7e2e\u5716\u7247\u53ef\u4ee5\u6e1b\u5c11\u5e36\u5bec\u7684\u6d88\u8017\uff0c\u7279\u5225\u662f\u5728\u9ad8\u6d41\u91cf\u7684\u7db2\u7ad9\u4e0a\u3002<\/li>\n<\/ul>\n<h2 id=\"mssql%e4%b8%ad%e7%9a%84%e5%9c%96%e7%89%87%e5%ad%98%e5%84%b2%e6%96%b9%e5%bc%8f-PHQyGLusXk\">MSSQL\u4e2d\u7684\u5716\u7247\u5b58\u5132\u65b9\u5f0f<\/h2>\n<p>MSSQL\u6578\u64da\u5eab\u652f\u6301\u591a\u7a2e\u6578\u64da\u985e\u578b\u4f86\u5b58\u5132\u5716\u7247\uff0c\u6700\u5e38\u7528\u7684\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>VARBINARY(MAX)\uff1a<\/strong>\u9019\u662f\u4e00\u7a2e\u53ef\u8b8a\u9577\u5ea6\u7684\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\uff0c\u9069\u5408\u5b58\u5132\u5716\u7247\u7b49\u5927\u578b\u4e8c\u9032\u5236\u6578\u64da\u3002<\/li>\n<li><strong>IMAGE\uff1a<\/strong>\u9019\u662f\u4e00\u7a2e\u820a\u7684\u6578\u64da\u985e\u578b\uff0c\u96d6\u7136\u4ecd\u7136\u53ef\u4ee5\u4f7f\u7528\uff0c\u4f46\u4e0d\u5efa\u8b70\u5728\u65b0\u9805\u76ee\u4e2d\u4f7f\u7528\uff0c\u56e0\u70ba\u5b83\u5728\u672a\u4f86\u7684\u7248\u672c\u4e2d\u53ef\u80fd\u6703\u88ab\u6dd8\u6c70\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%9c%96%e7%89%87%e5%a3%93%e7%b8%ae%e6%8a%80%e8%a1%93-PHQyGLusXk\">\u5716\u7247\u58d3\u7e2e\u6280\u8853<\/h2>\n<p>\u5728MSSQL\u4e2d\uff0c\u5716\u7247\u58d3\u7e2e\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u65b9\u5f0f\u5be6\u73fe\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u898b\u7684\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e4%bd%bf%e7%94%a8sql-server%e5%85%a7%e5%bb%ba%e7%9a%84%e5%a3%93%e7%b8%ae%e5%8a%9f%e8%83%bd-PHQyGLusXk\">1. \u4f7f\u7528SQL Server\u5167\u5efa\u7684\u58d3\u7e2e\u529f\u80fd<\/h3>\n<p>MSSQL\u63d0\u4f9b\u4e86\u4e00\u4e9b\u5167\u5efa\u7684\u529f\u80fd\u4f86\u58d3\u7e2e\u6578\u64da\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0bSQL\u8a9e\u53e5\u4f86\u58d3\u7e2e\u5b58\u5132\u5728VARBINARY(MAX)\u4e2d\u7684\u5716\u7247\uff1a<\/p>\n<pre><code>UPDATE YourTable\nSET YourImageColumn = COMPRESS(YourImageColumn)\nWHERE YourCondition;<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5c07\u5716\u7247\u6578\u64da\u9032\u884c\u58d3\u7e2e\uff0c\u5f9e\u800c\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\u3002<\/p>\n<h3 id=\"2-%e4%bd%bf%e7%94%a8%e5%a4%96%e9%83%a8%e5%b7%a5%e5%85%b7%e9%80%b2%e8%a1%8c%e5%a3%93%e7%b8%ae-PHQyGLusXk\">2. \u4f7f\u7528\u5916\u90e8\u5de5\u5177\u9032\u884c\u58d3\u7e2e<\/h3>\n<p>\u9664\u4e86\u5167\u5efa\u7684\u58d3\u7e2e\u529f\u80fd\uff0c\u9084\u53ef\u4ee5\u4f7f\u7528\u5916\u90e8\u5de5\u5177\u4f86\u58d3\u7e2e\u5716\u7247\u3002\u4f8b\u5982\uff0c\u4f7f\u7528\u5716\u50cf\u8655\u7406\u5eab\uff08\u5982ImageMagick\u6216GD Library\uff09\u4f86\u58d3\u7e2e\u5716\u7247\uff0c\u7136\u5f8c\u518d\u5c07\u58d3\u7e2e\u5f8c\u7684\u5716\u7247\u5b58\u5132\u5230\u6578\u64da\u5eab\u4e2d\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u548cPIL\u5eab\u9032\u884c\u5716\u7247\u58d3\u7e2e\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>from PIL import Image\n\n# \u6253\u958b\u5716\u7247\nimg = Image.open('your_image.jpg')\n\n# \u58d3\u7e2e\u5716\u7247\nimg.save('compressed_image.jpg', 'JPEG', quality=85)<\/code><\/pre>\n<p>\u9019\u6a23\u53ef\u4ee5\u5728\u5c07\u5716\u7247\u4e0a\u50b3\u5230\u6578\u64da\u5eab\u4e4b\u524d\uff0c\u5148\u9032\u884c\u58d3\u7e2e\u3002<\/p>\n<h2 id=\"%e7%b8%bd%e7%b5%90-PHQyGLusXk\">\u7e3d\u7d50<\/h2>\n<p>\u5728MSSQL\u6578\u64da\u5eab\u4e2d\uff0c\u5716\u7247\u58d3\u7e2e\u6280\u8853\u4e0d\u50c5\u80fd\u5920\u7bc0\u7701\u5b58\u5132\u7a7a\u9593\uff0c\u9084\u80fd\u63d0\u9ad8\u6578\u64da\u6aa2\u7d22\u7684\u6548\u7387\u3002\u901a\u904e\u4f7f\u7528\u5167\u5efa\u7684\u58d3\u7e2e\u529f\u80fd\u6216\u5916\u90e8\u5de5\u5177\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u6709\u6548\u5730\u7ba1\u7406\u548c\u512a\u5316\u5716\u7247\u6578\u64da\u7684\u5b58\u5132\u3002\u5c0d\u65bc\u9700\u8981\u8655\u7406\u5927\u91cf\u5716\u7247\u7684\u61c9\u7528\u7a0b\u5e8f\u4f86\u8aaa\uff0c\u9019\u4e9b\u6280\u8853\u662f\u4e0d\u53ef\u6216\u7f3a\u7684\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u9700\u6c42\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u5e6b\u52a9\u60a8\u8f15\u9b06\u7ba1\u7406\u548c\u512a\u5316\u60a8\u7684\u6578\u64da\u5eab\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22MSSQL\u6578\u64da\u5eab\u4e2d\u7684\u5716\u7247\u58d3\u7e2e\u6280\u8853\uff0c\u63d0\u5347\u5b58\u5132\u6548\u7387\uff0c\u6e1b\u5c11\u7a7a\u9593\u4f54\u7528\uff0c\u512a\u5316\u6578\u64da\u7ba1\u7406\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-66227","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66227","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=66227"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66227\/revisions"}],"predecessor-version":[{"id":66228,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/66227\/revisions\/66228"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=66227"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=66227"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=66227"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}