php不显示任何mysql数据

Question

链路

nt.php?no=

nt.php

  <?php
  // Connect to MySQL
  $link = mysql_connect( 'localhost', '********', '*****' );
  if ( !$link ) {
    die( 'Could not connect: ' . mysql_error() );
  }

  // Select the data base
$db = mysql_select_db( '***DB***', $link );
  if ( !$db ) {
    die ( 'Error selecting database \'test\' : ' . mysql_error() );
  }

  // Fetch the data
  $query = "
    SELECT * id
    FROM nt where at1='$no'
    ORDER BY id ASC";
  $result = mysql_query( $query );

  // All good?
  if ( !$result ) {
    // Nope
    $message  = 'Invalid query: ' . mysql_error() . "\n";
    $message .= 'Whole query: ' . $query;
    die( $message );
  }

  // Print out rows
  while ( $row = mysql_fetch_assoc( $result ) ) {

    echo  $row['username'];
    echo  $row['name'];

  }

  // Close the connection
  mysql_close($link);
  ?>

当我运行此脚本和主机时，用户传递和数据库正常....但是当我尝试像nt.php?no=*****那样做时，我在echo $row['name']中没有得到任何信息在$row['username']选项...

Answer 1

之前：

// Fetch the data
  $query = "

你应该加上这个：

$no = mysql_real_escape_string($_GET['no']);

并替换

SELECT * id

与

SELECT *

Answer 2

在您的查询中更新

$query = "
    SELECT id,username,name,at1
    FROM nt where at1='$no'
    ORDER BY id ASC";
  $result = mysql_query( $query );