After I read the article "How to call Asscess database and COM program through ADO in PHP", I immediately tested it and the result failed. Sad isn't it.
What to do? I had no choice but to go to the PHP official website for help. God paid off, and finally I found the answer -
The specific solution is as follows:
(1) Enter http://php.weblogs.com/adodb and download the corresponding solution. ZIP package; like MICROSOFT's ADO, this stuff uses PHP to implement ADO to deal with various databases (great, all types of databases can be processed).
(2) Unpack, there are many files in it, but the only useful ones are ohtml.inc.php and adodb.inc.php, copy them to the corresponding directory (or c:php4peer in the default directory for installing php4, Or in the current running program directory, depending on the include() function);
(3) Then in the c:myphp directory of the local machine (one wrong word, it is the machine) (set under iis through http:// localhost/jhk to access), created an access library named test.mdb, and created an experts table in it... In order to access it through DSN, I named the ACCESS library test in the DSN.
(4) Run. After looking at the instructions, I created this program:
dbtest.php, with the following content:
include('tohtml.inc.php'); // load code common to ADODB
include('adodb.inc .php'); // load code common to ADODB
$conn = &ADONewConnection('access'); // create a connection
$conn->PConnect('test');// connect to MySQL , agora db
$sql = 'select name, group1 from experts';
$rs = $conn->Execute($sql);
rs2html($rs,'border=2 cellpadding=3 ',array('Customer Name','Customer ID'));
$rs->Close(); // optional
$conn->Close(); // optional
? >
Then, type in IE: http://localhost/jhk/dbtest.php
Oh! The results are out.
Basically satisfying! !
(5) Then, I thought: I still need to set up DSN, don’t you bother me! How to bypass DSN? Because in asp, I am used to using conn.open("provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & Server.Mappath("../nydatabase.mdb")) to handle the mdb library, which is fast ah!
? ...I thought about it again and again, and looked at it again and again...
Look around,..., hehe, I finally found the answer in testdatabases.inc.php! I adapted the program just now:
include('tohtml.inc.php'); // load code common to ADODB
include('adodb.inc.php'); // load code common to ADODB
$db = &ADONewConnection("ado_access");
print "

php把负数转为正整数的方法:1、使用abs()函数将负数转为正数,使用intval()函数对正数取整,转为正整数,语法“intval(abs($number))”;2、利用“~”位运算符将负数取反加一,语法“~$number + 1”。

实现方法:1、使用“sleep(延迟秒数)”语句,可延迟执行函数若干秒;2、使用“time_nanosleep(延迟秒数,延迟纳秒数)”语句,可延迟执行函数若干秒和纳秒;3、使用“time_sleep_until(time()+7)”语句。

php字符串有下标。在PHP中,下标不仅可以应用于数组和对象,还可应用于字符串,利用字符串的下标和中括号“[]”可以访问指定索引位置的字符,并对该字符进行读写,语法“字符串名[下标值]”;字符串的下标值(索引值)只能是整数类型,起始值为0。

php除以100保留两位小数的方法:1、利用“/”运算符进行除法运算,语法“数值 / 100”;2、使用“number_format(除法结果, 2)”或“sprintf("%.2f",除法结果)”语句进行四舍五入的处理值,并保留两位小数。

判断方法:1、使用“strtotime("年-月-日")”语句将给定的年月日转换为时间戳格式;2、用“date("z",时间戳)+1”语句计算指定时间戳是一年的第几天。date()返回的天数是从0开始计算的,因此真实天数需要在此基础上加1。

在php中,可以使用substr()函数来读取字符串后几个字符,只需要将该函数的第二个参数设置为负值,第三个参数省略即可;语法为“substr(字符串,-n)”,表示读取从字符串结尾处向前数第n个字符开始,直到字符串结尾的全部字符。

方法:1、用“str_replace(" ","其他字符",$str)”语句,可将nbsp符替换为其他字符;2、用“preg_replace("/(\s|\ \;||\xc2\xa0)/","其他字符",$str)”语句。

查找方法:1、用strpos(),语法“strpos("字符串值","查找子串")+1”;2、用stripos(),语法“strpos("字符串值","查找子串")+1”。因为字符串是从0开始计数的,因此两个函数获取的位置需要进行加1处理。


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