威海相对路径_威海佰年网络技术有限公司_网站建设_软件开发_私有云_商标注册_公众号_小程序_APP_物联网

相对路径的优点和缺点

相对路径的优点和缺点：优点： 1. 相对路径相对于当前目录，因此可以方便地指向同一目录下的其他文件或目录。 2. 相对路径比绝对路径更短，更易于输入和阅读。 3. 相对路径的可移植性更强，因为它们不依赖于特定的文件系统或服务器配置。缺点： 1. 如果文件或目录被移动到其他目录中，相对路径可能无法正常工作。 2. 对于嵌套较深的目录结构，相对路径会变得较复杂。 3. 如果有多个文件夹中命名相

Public @ 2023-04-06 11:50:12

相对路径的优点是：1.节省代码。2.移动内容比较容易，不用更新其他页面上的链接。3.在测试服务器上进行测试也比较容易。相对路径的缺点是：1.页面移动位置，里面链接可能需要改动。2.被抄袭和采集对网站没有任何益处。很多采集软件其实是可以自动鉴别绝对路径和相对路径的，所以使用绝对路径有助于自己的链接也被抄袭到采集网站上，只在某些情况下有效。3.搜索引擎解析URL时可能出错，不能正确读取页面上的链接UR

Public @ 2022-10-28 16:11:47

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[ DB ] CONNECT:[ UseTime:0.000447s ] mysql:dbname=briline;host=127.0.0.1;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.000713s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海相对路径' AND `status` <> -1 LIMIT 1 [ RunTime:0.014339s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海相对路径' AND `status` <> -1 ORDER BY create_time desc LIMIT 0,10 [ RunTime:0.008926s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 7784, 'filtered' => 0.89999997615814209, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.000724s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by times desc limit 100 [ RunTime:0.001027s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using filesort', ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='tags' order by rand() limit 30 [ RunTime:0.001240s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'partitions' => NULL, 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'filtered' => 1.0000001192092896, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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相对路径的优点和缺点

相对路径的优点和缺点

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