{"id":178578,"date":"2024-11-08T19:08:19","date_gmt":"2024-11-08T11:08:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/178578\/"},"modified":"2024-11-08T19:08:20","modified_gmt":"2024-11-08T11:08:20","slug":"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42035-cr_invalid_buffer_use-%e6%97%a0%e6%b3%95%e4%b8%ba%e9%9d%9e%e5%ad%97%e7%ac%a6%e4%b8%b2-%e9%9d%9e%e4%ba%8c%e8%bf%9b%e5%88%b6%e6%95%b0","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/178578\/","title":{"rendered":"\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42035 &#8211; (CR_INVALID_BUFFER_USE) \u65e0\u6cd5\u4e3a\u975e\u5b57\u7b26\u4e32\/\u975e\u4e8c\u8fdb\u5236\u6570\u636e\u7c7b\u578b\u53d1\u9001\u957f\u6570\u636e\uff08\u53c2\u6570\uff1a%d\uff09"},"content":{"rendered":"<h1 id=\"%e5%a6%82%e4%bd%95%e4%bf%ae%e5%be%a9mysql%e9%8c%af%e8%aa%a42035-cr_invalid_buffer_use-%e7%84%a1%e6%b3%95%e7%82%ba%e9%9d%9e%e5%ad%97%e7%ac%a6%e4%b8%b2-%e9%9d%9e%e4%ba%8c%e9%80%b2%e5%88%b6%e6%95%b8-TjPhkQmzLV\">\u5982\u4f55\u4fee\u5fa9MySQL\u932f\u8aa42035 &#8211; (CR_INVALID_BUFFER_USE) \u7121\u6cd5\u70ba\u975e\u5b57\u7b26\u4e32\/\u975e\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\u767c\u9001\u9577\u6578\u64da\uff08\u53c3\u6578\uff1a%d\uff09<\/h1>\n<p>\u5728\u4f7f\u7528MySQL\u6578\u64da\u5eab\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u932f\u8aa4\uff0c\u5176\u4e2d\u4e4b\u4e00\u4fbf\u662f\u932f\u8aa42035\uff0c\u8a72\u932f\u8aa4\u901a\u5e38\u986f\u793a\u70ba\u201c(CR_INVALID_BUFFER_USE) \u7121\u6cd5\u70ba\u975e\u5b57\u7b26\u4e32\/\u975e\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\u767c\u9001\u9577\u6578\u64da\uff08\u53c3\u6578\uff1a%d\uff09\u201d\u3002\u9019\u500b\u932f\u8aa4\u7684\u51fa\u73fe\u901a\u5e38\u8207\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u6578\u64da\u50b3\u8f38\u904e\u7a0b\u4e2d\u7684\u554f\u984c\u6709\u95dc\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u8a72\u932f\u8aa4\u7684\u6210\u56e0\u53ca\u5176\u89e3\u6c7a\u65b9\u6848\u3002<\/p>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e5%8e%9f%e5%9b%a0%e5%88%86%e6%9e%90-TjPhkQmzLV\">\u932f\u8aa4\u539f\u56e0\u5206\u6790<\/h2>\n<p>MySQL\u932f\u8aa42035\u7684\u4e3b\u8981\u539f\u56e0\u662f\u5617\u8a66\u5c07\u9577\u6578\u64da\uff08\u5982BLOB\u6216TEXT\u985e\u578b\uff09\u767c\u9001\u5230\u4e0d\u652f\u6301\u9019\u4e9b\u6578\u64da\u985e\u578b\u7684\u5b57\u6bb5\u3002\u9019\u901a\u5e38\u767c\u751f\u5728\u4ee5\u4e0b\u5e7e\u7a2e\u60c5\u6cc1\u4e0b\uff1a<\/p>\n<ul>\n<li><strong>\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\uff1a<\/strong>\u7576\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u9577\u5b57\u7b26\u4e32\u6216\u4e8c\u9032\u5236\u6578\u64da\u63d2\u5165\u5230\u4e00\u500b\u4e0d\u652f\u6301\u7684\u6578\u64da\u985e\u578b\u5b57\u6bb5\u4e2d\u6642\uff0c\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002<\/li>\n<li><strong>\u9a45\u52d5\u7a0b\u5e8f\u554f\u984c\uff1a<\/strong>\u67d0\u4e9bMySQL\u9a45\u52d5\u7a0b\u5e8f\u53ef\u80fd\u4e0d\u652f\u6301\u9577\u6578\u64da\u7684\u50b3\u8f38\uff0c\u7279\u5225\u662f\u5728\u4f7f\u7528\u820a\u7248\u672c\u7684\u9a45\u52d5\u7a0b\u5e8f\u6642\u3002<\/li>\n<li><strong>\u6578\u64da\u5eab\u914d\u7f6e\u554f\u984c\uff1a<\/strong>\u6578\u64da\u5eab\u7684\u914d\u7f6e\u53ef\u80fd\u9650\u5236\u4e86\u67d0\u4e9b\u6578\u64da\u985e\u578b\u7684\u4f7f\u7528\uff0c\u5c0e\u81f4\u7121\u6cd5\u6b63\u78ba\u8655\u7406\u9577\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88-TjPhkQmzLV\">\u89e3\u6c7a\u65b9\u6848<\/h2>\n<p>\u8981\u4fee\u5fa9MySQL\u932f\u8aa42035\uff0c\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u7a2e\u65b9\u6cd5\uff1a<\/p>\n<h3 id=\"1-%e6%aa%a2%e6%9f%a5%e6%95%b8%e6%93%9a%e9%a1%9e%e5%9e%8b-TjPhkQmzLV\">1. \u6aa2\u67e5\u6578\u64da\u985e\u578b<\/h3>\n<p>\u9996\u5148\uff0c\u6aa2\u67e5\u4f60\u8981\u63d2\u5165\u7684\u6578\u64da\u985e\u578b\u662f\u5426\u8207\u6578\u64da\u5eab\u8868\u4e2d\u5b9a\u7fa9\u7684\u5b57\u6bb5\u985e\u578b\u76f8\u5339\u914d\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u5617\u8a66\u5c07\u4e00\u500b\u9577\u5b57\u7b26\u4e32\u63d2\u5165\u5230\u4e00\u500bVARCHAR(255)\u5b57\u6bb5\u4e2d\uff0c\u5247\u53ef\u80fd\u6703\u5c0e\u81f4\u6b64\u932f\u8aa4\u3002\u78ba\u4fdd\u4f7f\u7528\u5408\u9069\u7684\u6578\u64da\u985e\u578b\uff0c\u5982TEXT\u6216BLOB\uff0c\u4f86\u5b58\u5132\u9577\u6578\u64da\u3002<\/p>\n<pre><code>CREATE TABLE example (\n    id INT AUTO_INCREMENT PRIMARY KEY,\n    long_text TEXT\n);\n<\/code><\/pre>\n<h3 id=\"2-%e6%9b%b4%e6%96%b0%e9%a9%85%e5%8b%95%e7%a8%8b%e5%ba%8f-TjPhkQmzLV\">2. \u66f4\u65b0\u9a45\u52d5\u7a0b\u5e8f<\/h3>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662f\u820a\u7248\u672c\u7684MySQL\u9a45\u52d5\u7a0b\u5e8f\uff0c\u5efa\u8b70\u66f4\u65b0\u5230\u6700\u65b0\u7248\u672c\u3002\u65b0\u7248\u672c\u7684\u9a45\u52d5\u7a0b\u5e8f\u901a\u5e38\u6703\u4fee\u5fa9\u5df2\u77e5\u7684\u932f\u8aa4\u4e26\u63d0\u4f9b\u66f4\u597d\u7684\u652f\u6301\u3002<\/p>\n<h3 id=\"3-%e8%aa%bf%e6%95%b4%e6%95%b8%e6%93%9a%e5%ba%ab%e9%85%8d%e7%bd%ae-TjPhkQmzLV\">3. \u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e<\/h3>\n<p>\u6aa2\u67e5MySQL\u7684\u914d\u7f6e\u6587\u4ef6\uff08\u5982my.cnf\u6216my.ini\uff09\uff0c\u78ba\u4fdd\u6c92\u6709\u8a2d\u7f6e\u9650\u5236\u9577\u6578\u64da\u7684\u53c3\u6578\u3002\u4f8b\u5982\uff0c\u6aa2\u67e5\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<pre><code>[mysqld]\nmax_allowed_packet=16M\n<\/code><\/pre>\n<p>\u5c07max_allowed_packet\u7684\u503c\u8a2d\u7f6e\u70ba\u66f4\u9ad8\u7684\u6578\u5b57\uff0c\u4ee5\u5141\u8a31\u66f4\u5927\u7684\u6578\u64da\u5305\u50b3\u8f38\u3002<\/p>\n<h3 id=\"4-%e4%bd%bf%e7%94%a8prepared-statements-TjPhkQmzLV\">4. \u4f7f\u7528Prepared Statements<\/h3>\n<p>\u4f7f\u7528Prepared Statements\u53ef\u4ee5\u5e6b\u52a9\u907f\u514d\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u7684\u554f\u984c\u3002\u9019\u7a2e\u65b9\u6cd5\u53ef\u4ee5\u78ba\u4fdd\u6578\u64da\u5728\u767c\u9001\u5230\u6578\u64da\u5eab\u4e4b\u524d\u88ab\u6b63\u78ba\u8655\u7406\u3002<\/p>\n<pre><code>stmt = conn.prepareStatement(\"INSERT INTO example (long_text) VALUES (?)\");\nstmt.setString(1, longText);\nstmt.executeUpdate();\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-TjPhkQmzLV\">\u7e3d\u7d50<\/h2>\n<p>MySQL\u932f\u8aa42035\u901a\u5e38\u662f\u7531\u65bc\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d\u6216\u9a45\u52d5\u7a0b\u5e8f\u554f\u984c\u5f15\u8d77\u7684\u3002\u901a\u904e\u6aa2\u67e5\u6578\u64da\u985e\u578b\u3001\u66f4\u65b0\u9a45\u52d5\u7a0b\u5e8f\u3001\u8abf\u6574\u6578\u64da\u5eab\u914d\u7f6e\u4ee5\u53ca\u4f7f\u7528Prepared Statements\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u6b64\u554f\u984c\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u548c\u9ad8\u6548\u6578\u64da\u5eab\u670d\u52d9\u7684\u7528\u6236\uff0c\u9078\u64c7\u5408\u9069\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u65b9\u6848\u5c07\u6709\u52a9\u65bc\u63d0\u5347\u6574\u9ad4\u6027\u80fd\u548c\u53ef\u9760\u6027\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4fee\u5fa9MySQL\u932f\u8aa42035 (CR_INVALID_BUFFER_USE) \u7684\u65b9\u6cd5\uff0c\u89e3\u6c7a\u7121\u6cd5\u70ba\u975e\u5b57\u7b26\u4e32\/\u975e\u4e8c\u9032\u5236\u6578\u64da\u985e\u578b\u767c\u9001\u9577\u6578\u64da\u7684\u554f\u984c\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-178578","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178578","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=178578"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178578\/revisions"}],"predecessor-version":[{"id":178579,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/178578\/revisions\/178579"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=178578"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=178578"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=178578"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}