使用jQuery每10秒自动加载和刷新Div。
你有没有看到这个Twitter搜索和Facebook显示最新的推特/帖子数量从数据库每10秒在页面顶部。
我用jQuery和Ajax开发了这样的东西。
它只是简单的5行代码

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例1:
Index.html
包含javascript和HTML代码。
看看
load(“record_cound.php”)
<脚本
类型=”
文本/ JavaScript的
“SRC =”
http://ajax.googleapis.com/ajax/
库/ jquery的/ 1.3.0 / jquery.min.js
“
>
SCRIPT>
<脚本
类型=”
文本/ javascript
“
>
var auto_refresh =
setInterval
(
function
()
{
$('
#load_tweets
')。
load
('
record_count.php
')。
fadeIn
(“
慢
”);
}
,
10000
);
//每10000毫秒刷新一次
id =“
load_tweets
”
> div>
BODY>
SCRIPT>
record_count.php
每10秒钟打印一次“9lessons |编程”
<?PHP
echo
“9lessons | Programming blog ..............”;
?>
例2
index.php
包含PHP代码,你必须将搜索框值twitter.com/search?q="some thing“传递给facebook中的$ search_word传递用户ID或用户会话值。
<脚本
类型=”
文本/ JavaScript的
“SRC =”
http://ajax.googleapis.com/ajax/
库/ jquery的/ 1.3.0 / jquery.min.js
“
>
SCRIPT>
<脚本
类型=”
文本/ javascript
“
>
var auto_refresh =
setInterval
(
function
()
{
$('
#load_tweets
')。
load
('
record_count.php?q =
<?php
echo
$ search_word;
?>
')。
fadeIn
(“
慢
”);
}
,
10000
);
//每10000毫秒刷新一次
id =“
load_tweets
”
> div>
BODY>
SCRIPT>
record_count.php
计算数据库中的推文/帖子。
<?PHP
包括( “db.php中”);
$ search_word =
$ _GET
['
q'
];
$ sql =
MySQLi_query
($ db,“
选择id表单消息
LIKE'%$ search_word%'
”);
$ record_count =
mysqli_num_rows
($ sql);
//显示计数.........
echo
$ record_count;
?>
db.php
数据库配置文件,修改用户名,密码和数据库值。
<?php
define
('
DB_SERVER
','localhost');
define
('
DB_USERNAME
','username');
define
('
DB_PASSWORD
','password');
define
('
DB_DATABASE
','database');
$ connection =
mysqli_connect
(
DB_SERVER
,
DB_USERNAME
,
DB_PASSWORD
,
DB_DATABASE
);
?>
本文名称:使用jQuery每10秒自动加载和刷新Div。
网站路径:http://www.tsicrk.com/article/piogjo.html
基本
文件
流程
错误
SQL
调试
- 请求信息 : 2026-05-28 15:04:59 HTTP/1.1 GET : /article/piogjo.html
- 运行时间 : 2.1222s ( Load:0.0067s Init:1.4677s Exec:0.6379s Template:0.0099s )
- 吞吐率 : 0.47req/s
- 内存开销 : 2,225.87 kb
- 查询信息 : 12 queries 5 writes
- 文件加载 : 36
- 缓存信息 : 0 gets 0 writes
- 配置加载 : 130
- 会话信息 : SESSION_ID=m4oekoi8mshvcs80sldo79i6k1
- /www/wwwroot/tsicrk.com/index.php ( 1.09 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/ThinkPHP.php ( 4.61 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Think.class.php ( 12.26 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Storage.class.php ( 1.37 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Storage/Driver/File.class.php ( 3.52 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Mode/common.php ( 2.82 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Common/functions.php ( 53.56 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Hook.class.php ( 4.01 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/App.class.php ( 13.49 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Dispatcher.class.php ( 14.79 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Route.class.php ( 13.36 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Controller.class.php ( 11.23 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/View.class.php ( 7.59 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/BuildLiteBehavior.class.php ( 3.68 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/ParseTemplateBehavior.class.php ( 3.88 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/ContentReplaceBehavior.class.php ( 1.91 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Conf/convention.php ( 11.15 KB )
- /www/wwwroot/tsicrk.com/App/Common/Conf/config.php ( 2.14 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Lang/zh-cn.php ( 2.55 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Conf/debug.php ( 1.49 KB )
- /www/wwwroot/tsicrk.com/App/Home/Conf/config.php ( 0.31 KB )
- /www/wwwroot/tsicrk.com/App/Home/Common/function.php ( 3.33 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/ReadHtmlCacheBehavior.class.php ( 5.62 KB )
- /www/wwwroot/tsicrk.com/App/Home/Controller/ArticleController.class.php ( 6.02 KB )
- /www/wwwroot/tsicrk.com/App/Home/Controller/CommController.class.php ( 1.60 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Model.class.php ( 60.11 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php ( 32.43 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db/Driver/Pdo.class.php ( 16.74 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Cache.class.php ( 3.83 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php ( 5.87 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Template.class.php ( 28.16 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Template/TagLib/Cx.class.php ( 22.40 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Template/TagLib.class.php ( 9.16 KB )
- /www/wwwroot/tsicrk.com/App/Runtime/Cache/Home/7540f392f42b28b481b30614275e4e55.php ( 17.71 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/WriteHtmlCacheBehavior.class.php ( 0.97 KB )
- /www/wwwroot/tsicrk.com/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.24 KB )
- [ app_init ] --START--
- Run Behavior\BuildLiteBehavior [ RunTime:0.000005s ]
- [ app_init ] --END-- [ RunTime:0.000029s ]
- [ app_begin ] --START--
- Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000304s ]
- [ app_begin ] --END-- [ RunTime:0.000327s ]
- [ view_parse ] --START--
- [ template_filter ] --START--
- Run Behavior\ContentReplaceBehavior [ RunTime:0.000061s ]
- [ template_filter ] --END-- [ RunTime:0.000081s ]
- Run Behavior\ParseTemplateBehavior [ RunTime:0.007006s ]
- [ view_parse ] --END-- [ RunTime:0.007036s ]
- [ view_filter ] --START--
- Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000186s ]
- [ view_filter ] --END-- [ RunTime:0.000202s ]
- [ app_end ] --START--
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
[ SQL语句 ] : SELECT `id`,`pid`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') LIMIT 1' at line 1
[ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( id= ) LIMIT 1
- 1064:You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ')' at line 1
[ SQL语句 ] : SELECT `id`,`navname` FROM `cx_nav` WHERE ( pid= )
- [8] Undefined index: pid /www/wwwroot/tsicrk.com/App/Home/Controller/ArticleController.class.php 第 47 行.
- [8] Undefined index: db_host /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 120 行.
- [8] Undefined index: db_port /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 121 行.
- [8] Undefined index: db_name /www/wwwroot/tsicrk.com/ThinkPHP/Library/Think/Db.class.php 第 122 行.

2.1222s
