我想暂停表单的提交,因此我可以要求用户在继续之前确认操作。 所以这是我的形式:
<form action="<%= request.getContextPath()%>/Controller"
method="POST" id="remove_book"
onsubmit="alertBookInfo('return_book')">
</form>
然后,我使用SweetAlert创建了JavaScript函数:
function alertInfo(action) {
document.querySelector(action).addEventListener('submit', function (e) {
var form = this;
e.preventDefault();
if (action === "remove_book") {
swal({
title: "Remove book?",
text: "Watch out",
type: "warning",
showCancelButton: true,
confirmButtonColor: "#DD6B55",
confirmButtonText: "Yes.",
cancelButtonText: "No.",
closeOnConfirm: false,
closeOnCancel: false
},
function (isConfirm) {
if (isConfirm) {
swal({
title: "Deleted.",
text: "Done.",
type: "success"
}, function () {
form.submit();
});
} else {
swal("Cancelled", "Not done.", "error");
}
});
}
});
}
但由于某种原因,我无法阻止表单提交上的页面重新加载。我做错了吗?
PS:我已尝试在表单中返回alertInfo()并从JS函数返回布尔值但没有成功。
答案 0 :(得分:0)
如果您不想重新加载页面,可以使用AJAX调用。当您使用submit()时,您将始终重新加载页面,因为提交的工作方式。
$.ajax({
method: "POST",
url: YOUR_ACTION_URL,
data: $('form').serialize(),
success: function(data){
//here you could add swal to give feedback to the user
}
});
在您的控制器中,您必须将方法定义为生成JSON,如果您使用的是Spring,则注释为@ResponseBody
答案 1 :(得分:0)
为什么不从这样的表单调用函数,在提交表单之前会提示警告:
<强> HTML 强>
<form action="<%= request.getContextPath()%>/Controller" method="GET" id="remove_book" onclick="myAlertFunction(event)">
<input type="submit">
</form>
<强>的JavaScript 强>
function myAlertFunction(event) {
event.preventDefault()
swal({
title: "Remove book?",
text: "Watch out",
type: "warning",
showCancelButton: true,
confirmButtonColor: "#DD6B55",
confirmButtonText: "Yes.",
cancelButtonText: "No.",
closeOnConfirm: false,
closeOnCancel: false
},
function(isConfirm) {
if (isConfirm) {
swal({
title: "Deleted.",
text: "Done.",
type: "success"
}, function() {
$("#remove_book").submit();
});
} else {
swal("Cancelled", "Not done.", "error");
}
});
}
如果您想阻止重新加载,可以随时使用event.preventDefault()
以下是一个示例:JSFiddel