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  • php-数据库访问--数据修改

    主页面元素修改脚本

    <?php
        $code = $_GET["c"];
        //造连接对象
        $db = new MySQLi("localhost","root","123","mydb");
        //写SQL语句
        $sinfo = "select * from info where code='{$code}'";    
    
        $rinfo = $db->query($sinfo);
        
        $ainfo = $rinfo->fetch_row();
    ?>
    
    <form action="xiugaichuli.php" method="post">
        <div><input type="hidden" name="code" value="<?php echo $ainfo[0]; ?>" /></div>
        <div>姓名:<input type="text" name="name" value="<?php echo $ainfo[1]; ?>" /></div>
        
        
        
        <div>性别:
        <input type="radio" name="sex" value="1" <?php echo $ainfo[2]?"checked='checked'":"" ?> />男
        &nbsp;
        <input type="radio" name="sex" value="0" <?php echo $ainfo[2]?"":"checked='checked'" ?> />女
        </div>
        
        
        
        <div>民族:
        <select name="nation">
            <?php
            
            $sql = "select * from nation";
            $result = $db->query($sql);
            $attr = $result->fetch_all();
            
            foreach($attr as $v)
            {
                if($v[0]==$ainfo[3])
                {
                    echo "<option selected='selected' value='{$v[0]}'>{$v[1]}</option>";
                }
                else
                {
                    echo "<option value='{$v[0]}'>{$v[1]}</option>";
                }
            }
            ?>
        </select>
        </div>
        
        
        
        <div>生日:<input type="text" name="birthday" value="<?php echo $ainfo[4]; ?>" /></div>
        
        <div><input type="submit" value="修改" /></div>
    </form>

    主页面元素修改脚本处理脚本

    <?php
    $code = $_POST["code"];
    $name = $_POST["name"];
    $sex = $_POST["sex"];
    $nation = $_POST["nation"];
    $birthday = $_POST["birthday"];
    
    //造连接对象
    $db = new MySQLi("localhost","root","123","mydb");
    
    $sql = "update info set name='{$name}',sex={$sex},nation='{$nation}',birthday='{$birthday}' where code='{$code}'";
    
    $db->query($sql);
    
    header("location:main.php");
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  • 原文地址:https://www.cnblogs.com/wells33373/p/6012760.html
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