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  1. 页面结构如上图所示,后台使用php.假如在教育经历中有三条记录,点击保存时同时提交到了后台,该如何处理比较好??

  2. 前台页面要可以动态生成新的一行,该怎么处理多行间name及其他属性的问题??

可以讲一下,大概的思路??


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1 Answer

比如有如下字段

scholl_name
education
address

修改原有的

比如它的ID是 123

<div>
    <input name="old[123][scholl_name]" value="....">
    <input name="old[123][education]" value="....">
    <input name="old[123][address]" value="...."> 
    <a href="javascript:delete(123)">删除</a>
</div>

新增的

设置一个变量 createdIndex = 0
新增

//createdIndex 使用js输出
<div id="new_createdIndex">
    <input name="create[new_createdIndex][scholl_name]" value="">
    <input name="create[new_createdIndex][education]" value="">
    <input name="create[new_createdIndex][address]" value=""> 
    <a href="javascript:delete('new_createdIndex')">删除</a>
</div>

//每次新增后都累加
createdIndex++;

删除

function delete(id)
{
    if (id.indexOf('new_') < 0) //不是新增的, 新增一条删除记录到form
       $('<input name="deleted[]" value="'+id+'">').appendTo('#this-form');
    //删除本行
    $('#' + id).remove();
}

后台处理

$deleted = $_POST['deleted'];
foreach($deleted as $id)
{
   数据库删除对应的$id
}
$create = $_POST['create'];

//如果需要排序 可以用sort或rsort

foreach($create as $v)
{
    /*
    结构是: 
    $v = [
        'school' => 'Your value',
        'education' => '...',
        'address' => ''
    ];
    */
    insert into table 
}
   

$old = $_POST['old'];
foreach($old as $id => $v)
{
   //结构同上
   update table set .... where id = $id;
}

这个是最兼容的方式了,如果使用Vue之类的,还可以使用JSON提交,因为vue可以监控到表单是否修改,只用记录已经修改过的表单。


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