Question

我将创建一个按钮来执行操作并将数据保存到数据库中。

用户点击按钮后，我想要一个JavaScript提醒，提供“是”和“取消”选项。如果用户选择“是”，则数据将被插入数据库，否则将不执行任何操作。

如何显示这样的对话框？

Answer 1

您可能正在寻找confirm()，它会根据用户的决定显示提示并返回true或false：

if (confirm('Are you sure you want to save this thing into the database?')) {
    // Save it!
} else {
    // Do nothing!
}

Answer 2

var answer = confirm("Save data?")
if (answer) {
    //some code
}
else {
    //some code
}

使用confirm代替警报。这是实现该功能的最简单方法。

Answer 3

如何使用'内联'JavaScript执行此操作：

<form action="http://www.google.com/search">
  <input type="text" name="q" />
  <input type="submit" value="Go"
    onclick="return confirm('Are you sure you want to search Google?')"
  />
</form>

Answer 4

避免使用内嵌JavaScript - 更改行为意味着要编辑代码的每个实例，而且它并不漂亮！

更简洁的方法是在元素上使用数据属性，例如data-confirm="Your message here"。我的下面的代码支持以下操作，包括动态生成的元素：

a和button点击
form提交
option选择

jQuery的：

$(document).on('click', ':not(form)[data-confirm]', function(e){
    if(!confirm($(this).data('confirm'))){
        e.stopImmediatePropagation();
        e.preventDefault();
    }
});

$(document).on('submit', 'form[data-confirm]', function(e){
    if(!confirm($(this).data('confirm'))){
        e.stopImmediatePropagation();
        e.preventDefault();
    }
});

$(document).on('input', 'select', function(e){
    var msg = $(this).children('option:selected').data('confirm');
    if(msg != undefined && !confirm(msg)){
        $(this)[0].selectedIndex = 0;
    }
});

HTML：

<!-- hyperlink example -->
<a href="http://www.example.com" data-confirm="Are you sure you want to load this URL?">Anchor</a>

<!-- button example -->
<button type="button" data-confirm="Are you sure you want to click the button?">Button</button>

<!-- form example -->
<form action="http://www.example.com" data-confirm="Are you sure you want to submit the form?">
    <button type="submit">Submit</button>
</form>

<!-- select option example -->
<select>
    <option>Select an option:</option>
    <option data-confirm="Are you want to select this option?">Here</option>
</select>

JSFiddle demo

Answer 5

您必须创建custom confirmBox ，无法更改确认功能显示的对话框中的按钮。

Jquery confirmBox

请参阅此示例：https://jsfiddle.net/kevalbhatt18/6uauqLn6/

的

的
<div id="confirmBox"> <div class="message"></div> <span class="yes">Yes</span> <span class="no">No</span> </div>

的
的
的
的
function doConfirm(msg, yesFn, noFn) { var confirmBox = $("#confirmBox"); confirmBox.find(".message").text(msg); confirmBox.find(".yes,.no").unbind().click(function() { confirmBox.hide(); }); confirmBox.find(".yes").click(yesFn); confirmBox.find(".no").click(noFn); confirmBox.show(); }

的

通过您的代码调用它：

的
的
doConfirm("Are you sure?", function yes() { form.submit(); }, function no() { // do nothing });

的

** Pure JavaScript confirmBox **

示例：http://jsfiddle.net/kevalbhatt18/qwkzw3rg/127/

<div id="id_confrmdiv">confirmation <button id="id_truebtn">Yes</button> <button id="id_falsebtn">No</button> </div> <button onclick="doSomething()">submit</button>

<强>脚本：

<script> function doSomething(){ document.getElementById('id_confrmdiv').style.display="block"; //this is the replace of this line document.getElementById('id_truebtn').onclick = function(){ //do your delete operation alert('true'); }; document.getElementById('id_falsebtn').onclick = function(){ alert('false'); return false; }; } </script>

的

<强> CSS ：

body { font-family: sans-serif; } #id_confrmdiv { display: none; background-color: #eee; border-radius: 5px; border: 1px solid #aaa; position: fixed; width: 300px; left: 50%; margin-left: -150px; padding: 6px 8px 8px; box-sizing: border-box; text-align: center; } #id_confrmdiv button { background-color: #ccc; display: inline-block; border-radius: 3px; border: 1px solid #aaa; padding: 2px; text-align: center; width: 80px; cursor: pointer; } #id_confrmdiv .button:hover { background-color: #ddd; } #confirmBox .message { text-align: left; margin-bottom: 8px; }

的

Answer 6

此插件可以帮助您jquery-confirm易于使用

$.confirm({
    title: 'Confirm!',
    content: 'Simple confirm!',
    confirm: function(){
        alert('Confirmed!');
    },
    cancel: function(){
        alert('Canceled!')
    }
});

Answer 7

你可以拦截正在JS的onSubmit事件。然后调用确认警报，然后获取结果。

Answer 8

另一种方法：

$("input[name='savedata']").click(function(e){
       var r = confirm("Are you sure you want to save now?");

       //cancel clicked : stop button default action 
       if (r === false) {
           return false;
        }

        //action continues, saves in database, no need for more code


   });

Answer 9

或者简单地：

<a href="https://some-link.com/" onclick="return confirm('Are you agree to go to that link?');">click me!</a>

Answer 10

这是使用香草javascript的完整响应式解决方案：

// Call function when show dialog btn is clicked
document.getElementById("btn-show-dialog").onclick = function(){show_dialog()};
var overlayme = document.getElementById("dialog-container");

function show_dialog() {
 /* A function to show the dialog window */
    overlayme.style.display = "block";
}

// If confirm btn is clicked , the function confim() is executed
document.getElementById("confirm").onclick = function(){confirm()};
function confirm() {
 /* code executed if confirm is clicked */   
    overlayme.style.display = "none";
}

// If cancel btn is clicked , the function cancel() is executed
document.getElementById("cancel").onclick = function(){cancel()};
function cancel() {
 /* code executed if cancel is clicked */  
    overlayme.style.display = "none";
}

.popup {
  width: 80%;
  padding: 15px;
  left: 0;
  margin-left: 5%;
  border: 1px solid rgb(1,82,73);
  border-radius: 10px;
  color: rgb(1,82,73);
  background: white;
  position: absolute;
  top: 15%;
  box-shadow: 5px 5px 5px #000;
  z-index: 10001;
  font-weight: 700;
  text-align: center;
}

.overlay {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0,0,0,.85);
  z-index: 10000;
  display :none;
}

@media (min-width: 768px) {
  .popup {
    width: 66.66666666%;
    margin-left: 16.666666%;
  }
}
@media (min-width: 992px) {
  .popup {
    width: 80%;
    margin-left: 25%;
  }
}
@media (min-width: 1200px) {
  .popup {
    width: 33.33333%;
    margin-left: 33.33333%;
  }
}

.dialog-btn {
  background-color:#44B78B;
  color: white;
  font-weight: 700;
  border: 1px solid #44B78B;
  border-radius: 10px;
  height: 30px;
  width: 30%;
}
.dialog-btn:hover {
  background-color:#015249;
  cursor: pointer;
}

<div id="content_1" class="content_dialog">
    <p>Lorem ipsum dolor sit amet. Aliquam erat volutpat. Maecenas non tortor nulla, non malesuada velit.</p>
    <p>Aliquam erat volutpat. Maecenas non tortor nulla, non malesuada velit. Nullam felis tellus, tristique nec egestas in, luctus sed diam. Suspendisse potenti.</p>
</div>

<button id="btn-show-dialog">Ok</button>


<div class="overlay" id="dialog-container">
  <div class="popup">
    <p>This will be saved. Continue ?</p>
    <div class="text-right">
      <button class="dialog-btn btn-cancel" id="cancel">Cancel</button>
      <button class="dialog-btn btn-primary" id="confirm">Ok</button>
    </div>
  </div>
</div>

Answer 11

xdialog 提供了简单的API xdialog.confirm（）。代码段如下。可以找到更多示例here

document.getElementById('test').addEventListener('click', test);

function test() {
  xdialog.confirm('Are you sure?', function() {
    // do work here if ok/yes selected...
    console.info('Done!');
  }, {
    style: 'width:420px;font-size:0.8rem;',
    buttons: {
      ok: 'yes text',
      cancel: 'no text'
    },
    oncancel: function() {
      console.warn('Cancelled!');
    }
  });
}

<link href="https://cdn.jsdelivr.net/gh/xxjapp/xdialog@3/xdialog.min.css" rel="stylesheet"/>
<script src="https://cdn.jsdelivr.net/gh/xxjapp/xdialog@3/xdialog.min.js"></script>
<button id="test">test</button>

Answer 12

在点击操作之前进行询问的最简单方法是

<a onclick="return askyesno('Delete this record?');" href="example.php?act=del&del_cs_id=<?php echo $oid; ?>">
<button class="btn btn-md btn-danger">Delete </button>
</a>

Answer 13

使用“是”和“否”按钮使超级简单，小巧的香草js确认对话框。
很遗憾，我们无法自定义本机。

https://www.npmjs.com/package/yesno-dialog。

Answer 14

document.getElementById("button").addEventListener("click", function(e) {
   var cevap = window.confirm("Satın almak istediğinizden emin misiniz?");
   if (cevap) {
     location.href='Http://www.evdenevenakliyat.net.tr';       
   }
});

如何使用“是”和“否”选项创建对话框？

14 个答案: