逻辑让我感到困惑。我想编写一个函数来处理多个表单。我在不同的网页上有八个订单。他们都使用相同的数据库。该函数需要处理插入函数或更新函数。
在我被困之前写的是什么:
// I might want to move this IF further down in the logic
// I wasn't sure what to put here in it's place.
if(isset($_POST['submitInsert']))
{
// setting up a loop to go through all the POST values
foreach($_POST as $name => $value)
{
// make sure POST values are set before wasting
// any time doing stuff with them
if($value!="")
{
// checking if the POST value is an array because
// an array would have to be handled differently
if(!is_array($value))
{
// Just printing info for now, Thinking maybe I should
// do an IF here to check for insert/update
echo $name . " --- " . $value . "<br>";
}
else
{
// for an array, I'll need another foreach statement
echo "$name"." --- ";
print_r($value);
echo "<br/>";
}
}
}
}
更多信息
我计划通过命名提交按钮&#39; submitInsert&#39;来切换插入/更新。或者&#39; submitUpdate&#39;。经过一些数据验证,检查插入/更新。在决定这是要走的路之后,我意识到我不知道如何启动这个功能。
表单元素名称与db字段名称匹配,因此SQL查询不应该是困难的。
有更好的方法吗?
答案 0 :(得分:2)
if(isset($_POST['submit']))
{
//could use for loop but you know the fields you will be using for your sql.
$id = $_POST['id'];
$var1 = $_POST['var1'];
// Do a select see if it exists if it does use update else use insert.
$query = "SELECT * from table where ID = $id";
if($rowCount > 0)
{
$query = "Update table set var=$var1 where id = $id";
}
else
{
$query = "Insert into table (var1) VALUES ($var1)";
}
}