Obrigado pela resposta.
Tentei aqui, mas não deu certo.
Segue o código:
<!DOCTYPE htm>
<html lang="en-US"><head>
<head>
<title>WathsApp Send</title>
<meta charset="utf-8">
<meta name="description" content="Send WhatsApp Message !">
<meta name="keywords" content="fragments, paste, codes, demos, javascript, css, lab">
<meta name="author" content="Subversivo58">
<link type="image/png" rel="shortcut icon" href="./labicon.png">
<link href="https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css" rel="stylesheet"/>
<link href="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/css/bootstrap.min.css" rel="stylesheet"/>
</head>
<body>
<!-- CONTAINER -->
<section class="container-fluid px-0 pt-5">
<div class="col col-sm-8 col-md-5 col-lg-4 mx-auto px-0 mb-5">
<form accept-charset="utf-8">
<div class="form-group mb-2">
<div class="input-group">
<div class="input-group-prepend">
</div>
<input id="phone" type="hidden" class="form-control rounded-0" value="numero"> // aqui vou puxar de um banco de dados
</div>
</div>
<div class="form-group mb-2">
<div class="input-group">
<div class="input-group-prepend">
</div>
<input id="message" type="hidden" class="form-control rounded-0" value="*Mensagem Automática* - Prezado xxx, nosso sistema verificou que uma fatura referente ao mês de agosto encontra-se em aberto. Por favor, regularize-a!">
</div>
</div>
<div class="form-group mb-2">
<div class="col px-0">
<button id="by-link" type="button" class="btn btn-info">Enviar</button>
</div>
</div>
</form>
</div>
</section>
<script src="https://code.jquery.com/jquery-3.2.1.min.js" integrity="sha256-hwg4gsxgFZhOsEEamdOYGBf13FyQuiTwlAQgxVSNgt4=" crossorigin="anonymous"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0-beta.3/js/bootstrap.bundle.min.js"></script>
<script>
let phone = document.getElementById('phone')
let message = document.getElementById('message')
// buttons
let linkHandler = document.getElementById('by-link')
let popUpHandler = document.getElementById('by-popup')
// font: https://detectmobilebrowsers.com
let isMobile = (function(a) {
if ( /(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(a) || /1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(a.substr(0,4)) ) {
return true
} else {
return false
}
})(navigator.userAgent || navigator.vendor || window.opera)
const makeLink = function(mode) {
let mount = function() {
if ( isMobile ) {
let target = `whatsapp://send?`
if ( !!phone && phone.value !== '' ) {
target += `phone=${encodeURIComponent(phone.value)}&`
}
if ( !!message && message.value !== '' ) {
target += `text=${encodeURIComponent(message.value)}`
}
return target
} else {
let target = `https://api.whatsapp.com/send?`
if ( !!phone && phone.value !== '' ) {
target += `phone=${encodeURIComponent(phone.value)}&`
}
if ( !!message && message.value !== '' ) {
target += `text=${encodeURIComponent(message.value)}`
}
return target
}
}
let openLink = function() {
let a = document.createElement('a')
a.target = '_blank'
a.href = mount()
a.click()
console.log('By Link')
}
let openPopUp = function() {
let h = 650,
w = 550,
l = Math.floor(((screen.availWidth || 1024) - w) / 2),
t = Math.floor(((screen.availHeight || 700) - h) / 2)
// open popup
let options = `height=600,width=550,top=${t},left=${l},location=0,menubar=0,toolbar=0,status=0,scrollbars=1,resizable=0`
let popup = window.open(mount(), 'self', options)
if ( popup ) {
popup.focus()
}
console.log('By PopUp')
}
switch (mode) {
case 'link':
openLink()
break
case 'popup':
openPopUp()
break
}
}
// events handler(s)
linkHandler.addEventListener('click', function(e) {
makeLink('link')
}, false)
popUpHandler.addEventListener('click', function(e) {
makeLink('popup')
}, false)
</script>
<script>
document.getElementById("by-link").click();
</script>
</body>
</html>
http://brunoparma.com.br/whatsapp/
