計算機的なものを作っておりますが、jquery側で定義した変数$selectedを<?php /略/ ?>で計算処理させたいのですがうまく行きません。何かいい方法はありますでしょうか?
PHP
1<?php 2 3require_once(__DIR__ . '/functions.php'); 4 5$text1 =''; 6$text2=''; 7 8if ($_SERVER['REQUEST_METHOD'] === 'POST'){ 9 $text1 = $_POST['text1']; 10 $text2 = $_POST['text2']; 11} 12switch ($selected){ 13 case "plus"; 14 $result = $text1 + $text2; 15 break; 16 case "mainasu"; 17 $result = $text1 - $text2; 18 break; 19 case "kakeru"; 20 $result = $text1 * $text2; 21 break; 22 case "waru"; 23 $result = $text1 / $text2; 24 break; 25} 26 ?> 27 28<!DOCTYPE html> 29<html lang = "ja"> 30<head> 31 <meta charset = "utf-8"> 32 <title>calculator</title> 33 <link rel="stylesheet" href="styles.css"> 34</head> 35<body> 36<div id ="container"> 37 <h1>計算</h1> 38 <form action="" method="POST"> 39 <div id="container-1"> 40 <input type="text" id="text1" name="text1" placeholder="text1" value="<?= h($text1); ?>" onKeyup="this.value=this.value.replace(/[^0-9]+/,'')"> 41 <ul> 42 <li data-id="plus" class="btn">+</li> 43 <li data-id="mainasu" class="btn">−</li> 44 <li data-id="kakeru" class="btn">×</li> 45 <li data-id="waru" class="btn">÷</li> 46 <input type="hidden" id="answer" name="answer" value=""> 47 </ul> 48 <input type="text" id="text2" name="text2" placeholder="text2" value="<?= h($text2); ?>" onKeyup="this.value=this.value.replace(/[^0-9]+/,'')"> 49 </div> 50 <div id="result">result</div> 51 <div id="cal_result"><?= h($result); ?></div> 52</form> 53</div> 54<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script> 55<script> 56$(function(){ 57 'use strict'; 58 var $selected; 59 $('.btn').on('click', function(){ 60 $('.btn').removeClass('selected'); 61 $(this).addClass('selected'); 62 63 $selected = $('#answer').val($(this).data('id')); 64 console.log($selected); 65 66 }); 67 $('#result').on('click', function(){ 68 if ($('#text1').val() === '' || $('#text2').val() === ''){ 69 alert('Choose One!'); 70 } else { 71 $('form').submit(); 72 } 73 }); 74}); 75</script> 76</body> 77</html>
css
1body { 2 font-size: 16px; 3 font-family: Arial, sans-serif; 4} 5 6#container { 7 text-align: center; 8 width: 500px; 9 margin: 15px auto; 10} 11h1{ 12 font-size: 20px; 13 line-height:50px; 14 padding: 10px; 15} 16h1 ,ul > li { 17 border: 1px solid #ddd; 18 border-radius: 5px; 19} 20#container-1{ 21 display: flex; 22} 23ul{ 24margin:auto; 25 list-style: none; 26 padding: 0; 27} 28li{ 29 width:20px; 30 margin: auto; 31 cursor: pointer; 32} 33#text1{ 34 height: 10px; 35 margin-top: 25px; 36} 37#text2{ 38 height: 10px; 39 margin-top: 25px; 40} 41#result{ 42 margin-top: 0px; 43 float:right; 44 cursor: pointer; 45 box-shadow: 0 4px 0 #0088cc; 46 border-radius: 5px; 47 background: #00aaff; 48 width: 100px; 49 color: #fff; 50} 51#cal_result{ 52 float:right; 53 margin-top: 30px; 54} 55.btn{ 56 opacity: 0.5; 57 font-weight: bold; 58} 59.btn + .btn{ 60 margin-top: 5px; 61} 62.selected{ 63 opacity: 1.0; 64} 65
php
1<?php 2 3function h($s){ 4 return htmlspecialchars($s, ENT_QUOTES, 'UTF-8'); 5} 6
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2019/03/10 04:43
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2019/03/10 13:15