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456:20181226列出selldb資料庫的cust資料表的所有資料錄並編修選定的資料錄(m5.php)

(1)code m5.php

treehrt@treehrt-D630MT:~/phpsell$ cat m5.php
<body bgcolor=lightblue>
<?php

function executeSQL($con,$sql){
    if( $query= mysqli_query($con, $sql) ){ echo " [$sql] OK!<br> "; }
    else { echo " [$sql] Failure!<br> "; }
    return $query;
}

function dumpRecordSetForEdit($sql,$con,$bgcolor){
    $query=executeSQL($con,$sql);
    echo "<table bgcolor=$bgcolor border=3>";
    echo "<tr>";
    $fc= mysqli_num_fields($query) ;
    while ($field = mysqli_fetch_field($query)){ printf("<td>%s", $field->name); }
    echo "<td>EDIT";
    $rowc=0;
    while ($row = mysqli_fetch_array($query)){
        echo "<tr>";
        for ($i=0;$i<$fc;$i++){
            echo  "<td>" . $row[$i];
        }
        echo "<td><a href='m5.php?id=" . $row[0] . "'>Edit</a>";
        $rowc++;
    }
    echo "</table>";
    echo "資料表 $table 共計有 $rowc 筆資料。<br><br>";
}


$con = @mysqli_connect('localhost', 'root', 'w?????', 'selldb');
if (!$con) { echo "Error: " . mysqli_connect_error(); exit(); }
$sql = 'set names utf8';
$query=executeSQL($con,$sql);
$sql= "select id,name,amount,tel from custs";
dumpRecordSetForEdit($sql,$con,"cyan");
$id=$_GET['id'];
$uname="mo";
if ($id<>NULL){
    $sql="select id,name,amount,tel from custs where id='$id'";
    echo "待修的資料錄(id=$id)如下<br>";
    dumpRecordSetForEdit($sql,$con,"cyan");
    $query=executeSQL($con,$sql);
    $row = mysqli_fetch_array($query);
    $uname=$row[1]; $uamount=$row[2]; $utel=$row[3];
    echo "請修改下列待修資料並按確定來寫入編修：";
    echo "<form>";
    echo "id <input type=text name=uid size=4 value=$id>";
    echo "name <input type=text name=uname size=8 value=$uname >";
    echo "amount <input type=text size=6 name=uamount value=$uamount>";
    echo "tel <input type=text size=9 name=utel value=$utel>";
    echo  "<input type=submit value=Submit>";
    echo "</form><hr>";
}
$uid=$_GET['uid']; $uname=$_GET['uname']; $uamount=$_GET['uamount']; $utel=$_GET['utel'];
if ($uname<>NULL){
    $sql= "update custs set name='$uname' ,amount=$uamount ,tel='$utel' where id='$uid'";
    $query=executeSQL($con,$sql);
}
mysqli_close ($con);
?>
</body>

 

(2)執行結果

[set names utf8] OK!
[select * from custs] OK!

id name amount tel EDIT
10002 天牛9 3122 03-933375 Edit
10003 地虎6 5000 02-444375 Edit

資料表 共計有 2 筆資料。

待修的資料錄(id=10003)如下
[select * from custs where id='10003'] OK!

id name amount tel EDIT
10003 地虎6 5000 02-444375 Edit

資料表 共計有 1 筆資料。

[select * from custs where id='10003'] OK!
請修改下列待修資料並按確定來寫入編修：id name amount tel

 


select id,article_id,topic,text from lt_articles_text where article_id =456; ok. update lt_articles set num_reads=num_reads +1 where id=456; ok.