Warning: mysqli_connect(): (HY000/1045): Access denied for user 'root'@'localhost' (using password: YES) in C:\xampp\htdocs\stiterm\student_insert.php on line 24
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code show as below:
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>新闻列表</title>
<style>
body {
margin:0; padding:0; font:70% Arial, Helvetica, sans-serif; color:#555; line-height:150%; text-align:left; }
a {
text-decoration:none; color:#057fac; }
h1 {
font-size:140%; margin:0 20px; line-height:80px; }
#container { margin:0 auto; width:680px; background:#fff; padding-bottom:20px; }
#content { margin:0 20px; }
form {
margin:1em 0; padding:.2em 20px; }
table, td{
font:100% Arial, Helvetica, sans-serif;
}
table{
width:100%;border-collapse:collapse;margin:1em 0;}
th, td{
text-align:left;padding:.5em;border:1px solid #fff;}
th{
background:#328aa4 url(tr_back.gif) repeat-x;color:#fff;}
td{
background:#e5f1f4;}
</style>
</head>
<body>
<?php
$link=mysqli_connect("127.0.0.1","root","123456")
or die("数据库服务器连接失败！<BR>");
mysqli_select_db($link,"test") or die("数据库选择失败！<BR>");
mysqli_query($link,"set names utf8");
$sql="select * from news";
$result=mysqli_query($link,$sql);
$rows=mysqli_num_rows($result);
// echo $rows;
if($rows==0){
?>
<script>
alert('没有新闻存在！');
</script>
<?php
}
$pagesize=15;//每页的记录数
$pagecount=ceil($rows/$pagesize);
if(!isset($pageno)||$pageno<1){
$pageno=1;
}
if($pageno>$pagecount){
$pageno=$pagecount;
}
$offset=($pageno-1)*$pagesize;
mysqli_data_seek($result,$offset);
?>
<div><h1>新闻查询结果</h1></div>
<table width="90%" border="1px" align="center">
<tr>
<td><div align="center">标题</div></td>
<td><div align="center">发布人</div></td>
<td><div align="center">发布时间</div></td>
<td><div align="center">图片</div></td>
<td><div align="center">操作</div></td>
</tr>
<?php
$i=0;
while($row=mysqli_fetch_array($result)){
?>
<tr>
<td><div align="center"><?php echo $row[1]; ?></div></td>
<td><div align="center"><?php echo $row[4]; ?></div></td>
<td><div align="center"><?php echo $row[2]; ?></div></td>
<td><div align="center"><img src="<?php echo $row[6] ?>" style="width:36px; height:36px;" /></div></td>
<td><div align="center">
<a target="#" href="news_xq.php?title=<?php echo $row[0]; ?>">详情</a>
<a target="#" href="news_update.php?title=<?php echo $row[0]; ?>">修改</a>
<a href="news_delete.php?title=<?php echo $row[0]; ?>" target=
"Conframe">删除</a>
</div></td>
</tr>
<?php
$i=$i+1;
//echo $i;
if($i==$pagesize){
break;
}
}
mysqli_free_result($result);
mysqli_close($link);
?>
</table>
<div align="center" id="div1" style="margin-bottom:40px">
[第<?php echo $pageno; ?>页/共<?php echo $pagecount; ?>页]
<?php
//echo $rows;
$href=$PHP_SELF;
if($pageno<>1){
?>
<a href="news_all_zhang.php?pageno=1">首页</a>
<a href="news_all_zhang.php?pageno=<?php echo $pageno-1; ?>">上一页</a>
<?php
}
if($pageno<>$pagecount){
?>
<a href="news_all_zhang.php?pageno=<?php echo $pageno+1; ?>">下一页</a>
<a href="news_all_zhang.php?pageno=<?php echo $pagecount; ?>">尾页</a>
<?php
}
//echo $rows;
// echo $pageno;
?>
[共找到<?php echo $rows;?>个记录]
</div>
</body>
</html>
why?
The guess is that the connection password is incorrect.
After deleting the password, the bug becomes as follows
Warning: mysqli_num_rows() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\stiterm\student_insert.php on line 30
Warning: mysqli_data_seek() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\stiterm\student_insert.php on line 48
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Warning: mysqli_fetch_array() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\stiterm\student_insert.php on line 61
Warning: mysqli_free_result() expects parameter 1 to be mysqli_result, bool given in C:\xampp\htdocs\stiterm\student_insert.php on line 85
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Notice: Undefined variable: PHP_SELF in C:\xampp\htdocs\stiterm\student_insert.php on line 93
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what is this?
How to fix it?
It may be the problem of mysql connect connection. Check again. If it doesn't work, watch the video to find a solution.