我有一个表单post.php,其中用户输入数据和receivepost.php,其中输入的数据通过ajax post传输。我想在receivepost.php中实现以下功能:
if(button save is pressed) {
save to database
}else if(button retrieve is pressed) {
retrieve from database
}
我尝试在reveivepost.php上使用isset($ _ POST ['submit']),但它没有检测到按下的按钮。 ajax帖子正在运行,所有数据都在receivepost页面上提供。我有另一种解决方案,即创建2个不同的php文件并根据按下的按钮运行它们,但我认为有更好的解决方案。
这是我的ajax电话:
$("document").ready(function () {
$("#submit").click(function () {
var xmlhttp;
// test browsers
if(window.XMLHttpRequest) {
xmlhttp = new XMLHttpRequest();
}else {
xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
}
// get the values of textboxes
var desc_text = $("#desc").val();
var speed_text = $("#speed").val();
var tarea_text = $("#tarea").val();
// variable to hold value of textboxes
var content = "desc=" + desc_text + "&speed=" + speed_text + "&tarea=" + tarea_text;
// open the request
xmlhttp.open("POST", "receivepost.php", true);
// set header
xmlhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
// check xmlhttp state and status and display text in div
xmlhttp.onreadystatechange = function() {
if (xmlhttp.readyState == 4 && xmlhttp.status == 200) {
document.getElementById('para').innerHTML = xmlhttp.responseText;
}
}
// send the content of the textboxes
xmlhttp.send(content);
});
});
这是我的post.php表单:
<form id="myform">
<label for="description">Description:</label>
<input type="text" id="desc" name="desc" /><br/>
<label for="speed">Speed: </label>
<input type="text" id="speed" name="speed" /><br/>
<textarea id="tarea" cols="10" rows="10" name="tarea"></textarea><br/>
<input type="button" id="submit" name = "submit" value="Save">
<input type="button" id="retrieve" name="retrieve" value="Retrieve">
</form>
<div id="para"></div>
答案 0 :(得分:1)
尝试在内容中添加一个名为按下按钮的额外参数,稍后您可以在receivepost.php中使用该参数,如下所示:
if($_POST['button-pressed']=="save"){
//savetodb code
}
else if($_POST['button-pressed']=="retrieve"){
//retreivefromdb code
}
也许你有两个JavaScript函数,每个按钮一个:
$("#submit").click(function () {
var content = "button-pressed=save" + "&desc=" + desc_text + "&speed=" + speed_text + "&tarea=" + tarea_text;
$("#retrieve").click(function () {
var content = "button-pressed=retrieve" + "&desc=" + desc_text + "&speed=" + speed_text + "&tarea=" + tarea_text;
希望这有帮助吗?
答案 1 :(得分:0)
<input type="button" id="submit" name ="submit" value="save" onClick="fnc(this.id)">
<input type="button" id="retrieve" name="retrieve" value="retrieve" onClick="fnc(this.id)">
<script type="text/javascript">
function fnc(myid) {
var val=document.getElementById(myid).value;
alert(val);
}
</script>