Php 为什么给mysqli_查询时换行符会消失?
当我将触发器粘贴到相关数据库的phpmyadmin查询窗口中时,插入触发器的查询就会起作用。但是,当我尝试用mysqli_query将其查询到数据库时,换行符似乎消失了,导致它失败 代码: 我还尝试在TriggerQwry字符串上使用全引号“”和\n和\n\r和\r\n,但都得到了相同的结果Php 为什么给mysqli_查询时换行符会消失?,php,mysql,sql,line-breaks,Php,Mysql,Sql,Line Breaks,当我将触发器粘贴到相关数据库的phpmyadmin查询窗口中时,插入触发器的查询就会起作用。但是,当我尝试用mysqli_query将其查询到数据库时,换行符似乎消失了,导致它失败 代码: 我还尝试在TriggerQwry字符串上使用全引号“”和\n和\n\r和\r\n,但都得到了相同的结果 这是怎么回事 您实际上是在尝试使用MySQLi的multi_查询,但是MySQLi不处理分隔符。您应该将这两个查询分开,这样就不需要分隔符 尝试: $TriggerQwry = 'Delimiter $$
这是怎么回事 您实际上是在尝试使用MySQLi的multi_查询,但是MySQLi不处理分隔符。您应该将这两个查询分开,这样就不需要分隔符 尝试:
$TriggerQwry = 'Delimiter $$
DROP TRIGGER IF EXISTS sign_chat;
$$
CREATE TRIGGER sign_chat BEFORE INSERT ON dark_taigachat FOR EACH ROW BEGIN
IF (INSTR(NEW.message,"(") != 1) THEN
SET NEW.message = CONCAT("(MC) ", NEW.message);
END IF ;
END ;';
$DBConnect = mysqli_connect("localhost", "root", "************");
mysqli_set_charset($DBConnect, "utf8");
mysqli_select_db($DBConnect, 'minecraft_xenforo');
$QueryResult = mysqli_query($DBConnect, $TriggerQwry);
if($QueryResult)
{
$result = mysqli_affected_rows($DBConnect);
}
else
{
$result = 0;
echo "<p>Unable to execute the query.[".$TriggerQwry."]</p>"
. "<p>Error code " . mysqli_errno($DBConnect)
. ": " . mysqli_error($DBConnect) . "</p>";
}
echo "Result[$Result]";
mysqli_close($DBConnect);
Unable to execute the query.[Delimiter $$ DROP TRIGGER IF EXISTS sign_chat; $$ CREATE TRIGGER sign_chat BEFORE INSERT ON dark_taigachat FOR EACH ROW BEGIN IF (INSTR(NEW.message,"(") != 1) THEN SET NEW.message = CONCAT("(MC) ", NEW.message); END IF ; END ;]
Error code 1064: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'Delimiter $$ DROP TRIGGER IF EXISTS sign_chat; $$ CREATE ' at line 1
<?php
$DBConnect = mysqli_connect("localhost", "root", "************");
mysqli_set_charset($DBConnect, "utf8");
mysqli_select_db($DBConnect, 'minecraft_xenforo');
$sql = "DROP TRIGGER IF EXISTS sign_chat";
$DBConnect->query($sql);
$sql = "
CREATE TRIGGER sign_chat BEFORE INSERT ON dark_taigachat
FOR EACH ROW BEGIN
IF (INSTR(NEW.message,"(") != 1) THEN
SET NEW.message = CONCAT("(MC) ", NEW.message);
END IF ;
END
";
$DBConnect->query($sql);