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什么是网站的实用性？

网站的实用性指的是网站的功能和内容能够满足用户的需求和期望，用户能够轻松、快速地找到想要的信息或完成特定的任务。一个实用性强的网站应该有清晰明确的导航，易于理解的页面结构和布局，丰富多样的内容和功能，良好的性能和稳定性等特点。同时，网站应该考虑用户的不同背景和需求，在设计和开发过程中注重用户体验，力求让用户感到方便和舒适。

Public @ 2023-06-10 19:00:11

Mysql数据源程序调用方式（使用php脚本语言调用）

威海网站建设威海mysql
2500

建立连接$link_id=mysql_connect("localhost","数据库管理员名","密码");mysql_select_db("数据库管理员名_db");关闭连接mysql_close($link_id);来源：西部数码

Public @ 2021-12-13 15:46:52

织梦dedecms程序安全设置

--> - 章丘职业技术学院 $(function() { $(".picbox img").lazyload({ effect: "fadeIn" }); });

Public @ 2023-02-25 15:00:57

电子商务网站的十个易用性规则

1. 简单易用的界面设计：在网站的界面设计中，简洁明了的布局和易于理解的导航栏都能够提升用户的满意度和使用体验。 2. 明确的导航栏：一个简单、直接的导航栏能够帮助用户迅速找到他们所需要的信息，提升网站的易用性。 3. 明确的标签和搜索框：给每一个标签都加上清晰易懂的标注，并将搜索框置于显眼的位置，以便用户在需要时可以快速地找到信息。 4. 速度与稳定性：加载速度快，反应速度快，以及长时间

Public @ 2023-06-08 19:00:28

什么是网站的实用性？

网站的实用性是指它能够为用户提供有用和实际的功能和服务。一个实用性强的网站能够满足用户的需求，并且具有易于使用、高效、可靠和安全等特点。它应该能够为用户提供所需的信息、功能和交互体验，使用户能够轻松找到需要的内容，完成所需的任务。一个具有实用性的网站可以提高用户体验，增加用户的满意度和忠诚度，有效地实现网站的目标。

Public @ 2023-07-21 10:00:13

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基本文件流程错误 SQL 调试

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[ DB ] CONNECT:[ UseTime:0.027144s ] mysql:dbname=briline.net;host=106.14.77.182;port=3306;charset=utf8
[ SQL ] SHOW COLUMNS FROM `ob_article` [ RunTime:0.019314s ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8726 LIMIT 1 [ RunTime:0.018401s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] select * from `ob_article_tongji` where category_id=12 and mark_type='cate' order by times desc limit 15 [ RunTime:0.018511s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, '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:0.018718s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, '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:0.019189s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article_tongji', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 608, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `id` = 8726 LIMIT 1 [ RunTime:0.018238s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'const', 'possible_keys' => 'PRIMARY', 'key' => 'PRIMARY', 'key_len' => '4', 'ref' => 'const', 'rows' => 1, 'extra' => NULL, ) ]
[ SQL ] update `ob_article` set views=views+1 where id=8726 [ RunTime:0.020781s ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 LIMIT 1 [ RunTime:0.025508s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `cate` = '威海网站建设' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.049204s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]
[ SQL ] SELECT COUNT(*) AS tp_count FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海网站易用性' AND `status` <> -1 LIMIT 1 [ RunTime:0.025580s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where', ) ]
[ SQL ] SELECT * FROM `ob_article` WHERE `category_id` = 12 AND `tags` = '威海网站易用性' AND `status` <> -1 ORDER BY rand() LIMIT 0,2 [ RunTime:0.035099s ]
[ EXPLAIN : array ( 'id' => 1, 'select_type' => 'SIMPLE', 'table' => 'ob_article', 'type' => 'ALL', 'possible_keys' => NULL, 'key' => NULL, 'key_len' => NULL, 'ref' => NULL, 'rows' => 9562, 'extra' => 'Using where; Using temporary; Using filesort', ) ]

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