Question

我试图将查询结果显示为另一个可选查询我使用一个简单的搜索表单，检查现有数据，然后显示它，我想要的是获得链接（一个href）与数据库中的实际id字段一起工作，用户搜索他/她的数据，弹出他/她的记录，然后添加客户＆＃39;链接将使用＆＃39; id＆＃39;从上一个查询作为下一个的var。

index.php
<html xmlns="http://www.w3.org/1999/xhtml">
<?php include '/var/www/sitevars.php'; ?>
<head>
    <title>Search</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <link rel="stylesheet" type="text/css" href="<?php echo $siteurl; ?>/style.css"  />
</head>
<body>
    <form action="search.php" method="GET">
        <input type="text" name="query" />
        <input type="submit" value="Search" />
    </form>
 <h1>Search for either firstname or lastname, 3 characters minimum.</h1>
</body>
</html>

search.php
<!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">
<?php include '/var/www/sitevars.php'; ?>
<head>
    <title>Search results</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <link rel="stylesheet" type="text/css" href="<?php echo $siteurl; ?>/style.css"  />
</head>
<body>
<?php
    include '/var/www/dbcon.php';
    $query = $_GET['query'];
    // gets value sent over search form

    $min_length = 3;
    // you can set minimum length of the query if you want

    if(strlen($query) >= $min_length){ // if query length is more or equal minimum length then

        $query = htmlspecialchars($query);
        // changes characters used in html to their equivalents, for example: < to &gt;

        $query = mysqli_real_escape_string($link,$query);
        // makes sure nobody uses SQL injection

        $raw_results = mysqli_query($link,"SELECT * FROM acis
            WHERE (`firstname` LIKE '%".$query."%') OR (`lastname` LIKE '%".$query."%')") or die(mysqli_error());

        // * means that it selects all fields, you can also write: `id`, `title`, `text`
        // articles is the name of our table

        // '%$query%' is what we're looking for, % means anything, for example if $query is Hello
        // it will match "hello", "Hello man", "gogohello", if you want exact match use `title`='$query'
        // or if you want to match just full word so "gogohello" is out use '% $query %' ...OR ... '$query %' ... OR ... '% $query'

        if(mysqli_num_rows($raw_results) > 0){ // if one or more rows are returned do following

            while($results = mysqli_fetch_array($raw_results)){
            // $results = mysql_fetch_array($raw_results) puts data from database into array, while it's valid it does the loop

                echo "<p><a href=\"$link_address\">Add customer</a> <b>".$results['id']."  - ".$results['firstname']."  ".$results['lastname']."</b>  -  ".$results['address']."  ".$results['city']."  ".$results['zip']."  ".$results['state']."  ".$results['countyname']."  ".$results['trial_date']."  ".$results['charge1']."  ".$results['case_number']."</p>";
                // posts results gotten from database(title and text) you can also show id ($results['id'])
            }

        }
        else{ // if there is no matching rows do following
            echo "No results";
        }

    }
    else{ // if query length is less than minimum
        echo "Minimum character length for search is ".$min_length;
    }
?>
</body>
</html>

php / mysql显示/从结果中选择

0 个答案: