[英]How can I connect mssql server and get values with php
我是 php 的新手,我尝试为 db 中的人们制作旅行信息日历,并希望在日历当天显示这些信息,所以我的问题是连接 MSSQL Server 并从 db 中获取值。我的 php 页面可以正常工作localhost(wampp) 和我的日历视图完美,但无法从 DB 获取值。它没有给出错误。但无法提取数据。请您帮我找出我的错误。谢谢。
连接.php;
<?php
class DBO
{
private $server = "servername";
private $db_name = "dbname";
private $password = "pass";
private $username = "username";
private $conn;
private $database;
function Connect()
{
$this->conn = mssql_connect($this->server, $this->username, $this->password)
or die("Couldn't connect to SQL Server on " . $this->server);
$this->database = mssql_select_db($this->db_name, $this->conn)
or die("Couldn't open database " . $this->db_name);
}
function RunSql($sqlQuery)
{
return mssql_query($sqlQuery);
}
}
?>
查询代码;
<?php
include_once("db_connect.php");
$DBO = new DBO();
$DBO->Connect();
$query = "SELECT ID, TYPE, STARTDATE, ENDDATE FROM TABLENAME";
$query_results = $DBO->RunSql($query)
or die('Error in $query_menu. Error code :' . mssql_get_last_message() );
$calendar = array();
while( $results = mssql_fetch_assoc($query_menu_results) )
{
$calendar[] = array('ID' =>$rows['ID'],'TYPE' => $rows['TYPE'],'url' => "#","class" =>'event-important','start' => "$start",'end' => "$end");
}
$calendarData = array(
"success" => 1,
"result"=>$calendar);
echo json_encode($calendarData);
exit;
?>
<?php
我相信你的问题是通过执行 SQL...
$query_results = $DBO->RunSql($query)
...但通过...使用它
while( $results = mssql_fetch_assoc($query_menu_results) )
基本上,$query_results 变成了 $query_menu_results。
我使用它的一个变体来测试 MsSQL 连接:
<?php
// connect to the server
$dbconn = mssql_connect('SEVER_NAME_OR_IP', 'MsSQL-User', 'MsSQL-User-Password');
if (!$dbconn) {
$message='unable to connect to the database: ' . mssql_get_last_message();
die($message);
}
// select the database
if (!mssql_select_db('DATABASE_NAME', $dbconn)) {
die('Unable to select the database!');
}
// execute a query. NOTE: Never use string concatenation in SQL statements. EVER!!!
$sql = "select * from information_schema.tables;";
$query = mssql_query($sql, $dbconn);
// consume the results
echo "<table border='1'><tr><th>Column A</th><th>Column B</th></tr>";
while ($row = mssql_fetch_row($query)) {
echo "<tr><td>";
echo $row[0];
echo "</td><td>";
echo $row[1];
echo "</td></tr>";
}
echo "</table>";
// clean up
mssql_free_result($query);
mssql_close($dbconn);
?>
安全说明:最后我检查, mssql*不支持准备好的语句。 请参阅PDO或sqlsrv* 。 这个问题有关于 MsSQL 准备好的语句的好信息。
解决方案:
我已经复制了您的代码,并且发现了以下错误:
include_once("db_connect.php");
必须是include_once("connect.php");
while ($results = mssql_fetch_assoc($query_menu_results)) {
必须是while ($results = mssql_fetch_assoc($query_results)) {
'ID' =>$rows['ID'],
必须是'ID' => $results['ID'],
'TYPE' => $rows['TYPE'],
必须是'TYPE' => $results['TYPE'],
$start
和$end
变量;工作示例:
示例基于您的代码。 我已经在评论中留下了你的错误。 表定义只是为了进行工作查询。
数据库:
CREATE TABLE [dbo].[TABLENAME] (
[ID] [numeric](10, 0) NULL,
[TYPE] [numeric](10, 0) NULL,
[STARTDATE] datetime NULL,
[ENDDATE] datetime NULL
) ON [PRIMARY]
INSERT [TABLENAME] (ID, TYPE, STARTDATE, ENDDATE)
VALUES (1, 1, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
INSERT [TABLENAME] (ID, TYPE, STARTDATE, ENDDATE)
VALUES (1, 1, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP)
SELECT ID, TYPE, STARTDATE, ENDDATE
FROM [TABLENAME]
连接.php
<?php
class DBO {
private $server = "servername";
private $db_name = "dbname";
private $password = "pass";
private $username = "username";
private $conn;
private $database;
function Connect() {
$this->conn =
mssql_connect($this->server, $this->username, $this->password) or
die("Couldn't connect to SQL Server on " . $this->server);
$this->database =
mssql_select_db($this->db_name, $this->conn) or
die("Couldn't open database " . $this->db_name);
}
function RunSql($sqlQuery) {
return mssql_query($sqlQuery);
}
}
?>
查询.php
<?php
//include_once("db_connect.php");
include_once("connect.php");
$DBO = new DBO();
$DBO->Connect();
$query = "SELECT ID, TYPE, STARTDATE, ENDDATE FROM [TABLENAME]";
$query_results =
$DBO->RunSql($query)
or die('Error in $query_menu. Error code :' . mssql_get_last_message() );
$calendar = array();
//while ($results = mssql_fetch_assoc($query_menu_results)) {
while ($results = mssql_fetch_assoc($query_results)) {
$calendar[] = array(
//'ID' =>$rows['ID'],
'ID' => $results['ID'],
//'TYPE' => $rows['TYPE'],
'TYPE' => $results['TYPE'],
'url' => "#",
"class" => 'event-important',
//'start' => "$start",
//'end' => "$end"
);
}
$calendarData = array(
"success" => 1,
"result"=>$calendar
);
echo json_encode($calendarData);
exit;
?>
输出:
{
"success":1,
"result":[
{"ID":"1","TYPE":"1","url":"#","class":"event-important"},
{"ID":"1","TYPE":"1","url":"#","class":"event-important"}
]
}
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