{"id":3689,"date":"2023-08-12T08:03:16","date_gmt":"2023-08-11T23:03:16","guid":{"rendered":"https:\/\/taitan916.info\/blog\/?p=3689"},"modified":"2024-01-12T19:44:50","modified_gmt":"2024-01-12T10:44:50","slug":"post-3689","status":"publish","type":"post","link":"https:\/\/taitan916.info\/blog\/archives\/3689","title":{"rendered":"\u30d5\u30a9\u30fc\u30e0\u3067\u753b\u50cf\u3092\u3068\u308a\u3042\u3064\u304b\u3046\u969b\u306bBase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305f\u4e0a\u3067\u9001\u4fe1\u3059\u308b\u65b9\u6cd5"},"content":{"rendered":"

PHP\u7b49\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u7cfb\u306e\u8a00\u8a9e\u306f\u5229\u7528\u4e0d\u53ef(JS\u306f\u5229\u7528\u53ef)\u306a\u74b0\u5883\u3067form\u3092\u4f5c\u6210\u3057\u753b\u50cf\u3092\u9001\u4fe1\u3057\u305f\u3044\u3068\u3044\u3046\u30b1\u30fc\u30b9\u304c\u3042\u3063\u305f\u3002\u307e\u305f\u3001\u30d5\u30a1\u30a4\u30eb\u306e\u9001\u4fe1\u304c\u7121\u7406\u3067\u3082\u4f55\u3089\u304b\u306e\u65b9\u6cd5\u3067\u305d\u306e\u753b\u50cf\u304c\u898b\u3089\u308c\u308c\u3070\u826f\u3044\u3068\u3044\u3046\u72b6\u6cc1\u3060\u3063\u305f\u3002\u753b\u50cf\u3060\u3051PHP\u5229\u7528\u53ef\u306a\u4ed6\u6240\u306e\u30b5\u30fc\u30d0\u306b\u9001\u4fe1\u3059\u308b\u7b49\u3082\u8003\u3048\u305f\u3051\u3069\u3068\u308a\u3042\u3048\u305a\u306fBase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u3066\u9001\u4fe1\u3059\u308b\u3053\u3068\u306b\u3057\u305f\u3002\u4ee5\u4e0b\u306b\u5bfe\u5fdc\u65b9\u6cd5\u3092\u30e1\u30e2\u3002<\/p>\n

 <\/p>\n

\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9<\/h2>\n
<html lang=\"ja\">\r\n<head>\r\n<meta http-equiv=\"Content-Type\" content=\"text\/html; charset=UTF-8\">\r\n<title>Base64<\/title>\r\n<\/head>\r\n<style>\r\n.thumb img{\r\n    max-width: 150px;\r\n    margin-bottom: 10px;\r\n}\r\n<\/style>\r\n<body>\r\n\r\n<?php\r\n\/\/\u753b\u50cf\u304c\u9001\u4fe1\u3055\u308c\u3066\u304d\u305f\u5834\u5408\u306fimg\u30bf\u30b0\u3067\u8868\u793a\r\nif( $_POST['submit_img'] ){\r\n    echo '<img src=\"' . $_POST['submit_img'] . '\">';\r\n}\r\n?>\r\n\r\n<form action=\".\/\" method=\"post\">\r\n\r\n    <input type=\"file\" name=\"img\" id=\"img\">\r\n    <div id=\"thumb\" class=\"thumb\"><\/div>\r\n\r\n    <input type=\"hidden\" name=\"submit_img\" id=\"submit_img\">\r\n    <input type=\"submit\" name=\"submit\">\r\n\r\n<\/form>\r\n\r\n<script type=\"text\/javascript\" src=\"\/\/code.jquery.com\/jquery-3.5.1.js\"><\/script>\r\n<script type=\"text\/javascript\">\r\n$(function(){\r\n    $('#img').change(function(){\r\n\r\n        \/\/\u753b\u50cf\u53d6\u5f97\r\n        const img = $('#img').prop('files')[0];\r\n        const type = img.type;\r\n\r\n        \/\/\u753b\u50cf\u304b\u3069\u3046\u304b\u30c1\u30a7\u30c3\u30af\r\n        if( !type.match(\/^image\/) ){\r\n            alert('\u753b\u50cf\u3092\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044');\r\n            $(this).val('');\r\n            return false;\r\n        }\r\n\r\n        \/\/FileReader\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u5316\r\n        let reader = new FileReader();\r\n\r\n        \/\/\u753b\u50cf\u306e\u8aad\u307f\u8fbc\u307f\r\n        reader.readAsDataURL(img);\r\n\r\n        \/\/\u8aad\u307f\u8fbc\u307f\u5931\u6557\u6642\r\n        reader.onerror = function(){\r\n            alert('\u30d5\u30a1\u30a4\u30eb\u8aad\u307f\u53d6\u308a\u306b\u5931\u6557\u3057\u307e\u3057\u305f');\r\n            $(this).val('');\r\n            return false;\r\n        }\r\n\r\n        \/\/\u753b\u50cf\u3092\u8868\u793a\r\n        reader.onload = function() {\r\n            $('#thumb').html('<img src=\"' + reader.result + '\">');\r\n            $('#submit_img').val(reader.result);\r\n        }\r\n\r\n    });\r\n})\r\n<\/script>\r\n<\/body>\r\n<\/html><\/pre>\n
\u300c<input type=\"file\" name=\"img\" id=\"img\">\u300d\u90e8\u5206\u306bBase64\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305f\u6587\u5b57\u5217\u306f\u5165\u3089\u306a\u3044\u306e\u3067hidden\u306e\u3068\u3053\u308d\u306b\u5165\u308c\u3066\u3042\u3052\u308b\u5fc5\u8981\u304c\u3042\u308b\u3002<\/p>\n
 <\/p>\n
\u6240\u611f<\/h2>\n
PHP\u3067Base64\u30a8\u30f3\u30b3\u30fc\u30c9\u3057\u305f\u3044\u5834\u5408\u306f\u305d\u308c\u7528\u306e\u95a2\u6570<\/a>\u304c\u3042\u308b\u6a21\u69d8\u3002\u3044\u3064\u304b\u4f7f\u3046\u304b\u3082\u3057\u308c\u306a\u3044\u306e\u3067\u899a\u3048\u3066\u304a\u304f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
PHP\u7b49\u30b5\u30fc\u30d0\u30b5\u30a4\u30c9\u7cfb\u306e\u8a00\u8a9e\u306f\u5229\u7528\u4e0d\u53ef(JS\u306f\u5229\u7528\u53ef)\u306a\u74b0\u5883\u3067form\u3092\u4f5c\u6210\u3057\u753b ... <\/p>\n","protected":false},"author":1,"featured_media":1067,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[91],"class_list":["post-3689","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-javascript","tag-image"],"acf":[],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/3689","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/comments?post=3689"}],"version-history":[{"count":0,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/posts\/3689\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media\/1067"}],"wp:attachment":[{"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/media?parent=3689"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/categories?post=3689"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/taitan916.info\/blog\/wp-json\/wp\/v2\/tags?post=3689"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}