如何删除数据库中的记录与阿贾克斯数据库中、阿贾克斯

2023-09-10 20:41:02 作者:班上总有个多嘴的狗

我使用的PHP,MySQL和Ajax从表中删除记录。问题是,在MYSQL_QUERY它没有得到它显示ID =未定义的ID,我想的ID传递给查询,但我不知道我哪里错了,我试图打印的MySQL其节目

 从9XX WHERE ID = undefinedArray删除
(
    [ROWID] =>未定义
    [供应] => 9XX
)
 

谁能告诉我如何通过ID ...谢谢

我的AJAX

  $(。deletesuppliernetwork)。生活(点击,函数()
        {
         ARR = $(本).attr(类)分裂()。
        VAR供应商=的document.getElementById(供应商)的价值。

        如果(确认(确定要删除此更新?))
        {
        $阿贾克斯({
        键入:POST,
        网址:suppliernetwork / delete.php
        数据:行ID =+常用3 [2] +与&供应商=+供应商
        成功:功能(数据){
                                                         $('阿贾克斯。)HTML($('ajax的投入。)VAL()。)。
                                                         $('。阿贾克斯)removeClass移除(AJAX)。
                                                    }});
        }
        });
 
sql delete删除的数据怎么恢复 SQL玩转Excel准数据库 增 删 改 查 恢复 数据之修改数据...

我的HTML

 < PHP
包括db.php中;

$ supplier_id = $ _ GET ['supplier_id'];

如果($ supplier_id!=){

$ SQL =请求mysql_query(按国家,networkname SELECT * FROM $ supplier_id序);

而($行= mysql_fetch_array($ SQL))
{

如果($中高音== 1)
        {
           回声'< TR类=ALT>';
           $中高音= 0;
        }
        其他
        {
           回声'< TR>';
           $中高音= 1;
        }

回声'< TD风格=宽度:123px级=编辑供应商'。$行[ID]。'>'$行[供应商]'< / TD>。
                < TD风格=宽度:104px级=编辑RN'。$行[ID]。'>< / TD>'$行[RN]。
            < TD风格=宽度:103px级=编辑SC'。$行[ID]。'>'。$行[SC。< / TD>
            < TD风格=宽度:108px级=编辑评论'。$行[ID]。'>'。$行[意见。< / TD>

            < TD风格=宽度:62px级=deletesuppliernetwork'。$行[ID]。'>< IMG SRC =/图片/ delete.png的风格=保证金:0 0 0 17px >< / TD>

        < / TR>';


}
}
?>
 

delete.php

 < PHP
    包括db.php中;

$供应商= $ _ POST ['供应商'];




        $ ROWNUM = $ _ POST ['的rowid'];
        。$ SQL = $ ROWNUM从$供应商WHERE ID =删除;

        打印$ SQL;

        的mysql_query($ SQL);


    的print_r($ _ POST);
?>
 

解决方案

 < TD风格=宽度:62px级=deletesuppliernetwork'$行[身份证。 '>< IMG SRC =/图片/ delete.png的风格=保证金:0 0 0 17px>< / TD>
 

你的ID的指数是1,也就是第二个索引。没有2。

  $。阿贾克斯({
        键入:POST,
        网址:suppliernetwork / delete.php
        数据:行ID =+常用3 [1] +与&供应商=+供应商
        成功:功能(数据){
                                                         $('阿贾克斯。)HTML($('ajax的投入。)VAL()。)。
                                                         $('。阿贾克斯)removeClass移除(AJAX)。
                                                    }});
 

I am using php,mysql and ajax to delete record from a table. The problem is that the in MySQL_query it not getting the id it shows "id= undefined", i tried to pass the id to the query but i don't know where i went wrong i tried to print MySQL its shows

delete from 9xx WHERE id = undefinedArray
(
    [rowid] => undefined
    [supplier] => 9xx
)

can anyone tell me how to pass the id ...thanks

My ajax

$(".deletesuppliernetwork").live('click',function()
        {
         arr = $(this).attr('class').split( " " );
        var supplier=document.getElementById("supplier").value;

        if(confirm("Sure you want to delete this update?"))
        {
        $.ajax({
        type: "POST",
        url: "suppliernetwork/delete.php",
        data: "rowid="+arr[2]+"&supplier="+supplier,
        success: function(data){
                                                         $('.ajax').html($('.ajax input').val());
                                                         $('.ajax').removeClass('ajax');
                                                    }});
        }
        });

My html

<?php
include"db.php";

$supplier_id=$_GET['supplier_id'];

if($supplier_id!=""){

$sql=mysql_query("select * from $supplier_id order by country,networkname" );

while($rows=mysql_fetch_array($sql))
{

if($alt == 1)
        {
           echo '<tr class="alt">';
           $alt = 0;
        }
        else
        {
           echo '<tr>';
           $alt = 1;
        }

echo '  <td style="width:123px" class="edit supplier '.$rows["id"].'">'.$rows["supplier"].'</td>
                <td style="width:104px" class="edit rn '.$rows["id"].'">'.$rows["rn"].'</td>    
            <td style="width:103px" class="edit sc '.$rows["id"].'">'.$rows["sc"].'</td>    
            <td style="width:108px" class="edit comment '.$rows["id"].'">'.$rows["comment"].'</td>

            <td style="width:62px" class="deletesuppliernetwork '.$rows["id"].'"><img   src="/image/delete.png" style="margin:0 0 0 17px" ></td>                                

        </tr>';


}
}
?>

delete.php

<?php
    include"db.php";

$supplier=$_POST['supplier'];




        $rownum=$_POST['rowid'];  
        $sql="delete from $supplier WHERE id = ".$rownum."";

        print $sql;

        mysql_query($sql);  


    print_r($_POST);
?>

解决方案

<td style="width:62px" class="deletesuppliernetwork '.$rows["id"].'"><img   src="/image/delete.png" style="margin:0 0 0 17px" ></td>     

the index of your ID is 1, that is second index. not 2.

$.ajax({
        type: "POST",
        url: "suppliernetwork/delete.php",
        data: "rowid="+arr[1]+"&supplier="+supplier,
        success: function(data){
                                                         $('.ajax').html($('.ajax input').val());
                                                         $('.ajax').removeClass('ajax');
                                                    }});