凱薩密碼 | 程式專案 | 橘蘋學習平台

{"id":43286,"student_id":2589,"content":"{\"html\":\"\u003c!DOCTYPE html\u003e\\n\u003chtml\u003e\\n\u003chead\u003e\\n    \u003ctitle\u003eDocument\u003c/title\u003e\\n    \u003clink rel=\\\"stylesheet\\\" href=\\\"https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/css/bootstrap.min.css\\\"\u003e\\n    \u003cscript src=\\\"https://code.jquery.com/jquery-3.3.1.slim.min.js\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.0/umd/popper.min.js\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://stackpath.bootstrapcdn.com/bootstrap/4.1.0/js/bootstrap.min.js\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody class=\\\"py-4 px-5\\\"\u003e\\n    \u003ch3 class=\\\"text-center\\\"\u003e凱薩密碼\u003c/h3\u003e\\n    \u003cdiv class=\\\"form-group\\\"\u003e\\n        \u003ctextarea class=\\\"form-control js-text\\\" rows=\\\"8\\\" placeholder=\\\"要加密解密的訊息...\\\"\u003e\\nI have a orange, I have a apple\\nuh! orangeapple!\\n        \u003c/textarea\u003e\\n    \u003c/div\u003e\\n    \u003cdiv class=\\\"form-group\\\"\u003e\\n        \u003cinput class=\\\"form-control js-offset\\\" type=\\\"number\\\" placeholder=\\\"位移\\\" value=\\\"0\\\"\u003e\\n    \u003c/div\u003e\\n    \u003cdiv class=\\\"text-center\\\"\u003e\\n        \u003cbutton class=\\\"btn btn-warning js-encrypto\\\"\u003e加密\u003c/button\u003e\\n        \u003cbutton class=\\\"btn btn-danger js-decrypto\\\"\u003e解密\u003c/button\u003e\\n    \u003c/div\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"body {\\n    background-color: #222;\\n    background-image: url('dust.png');\\n}\",\"js\":\"var alphabet = 'abcdefghijklmnopqrstuvwxyz';\\n\\n// 加密\\n$('.js-encrypto').click(function () {\\n    var code = '';\\n    var text = $('.js-text').val();\\n    var offset = $('.js-offset').val();\\n    offset = parseInt(offset);\\n\\n    for (var i=0; i\u003ctext.length; i++) {\\n        var idx = alphabet.indexOf(text[i]);\\n        console.log(idx)\\n        if (idx != -1) {\\n            idx = (idx + offset)%26;\\n            code += alphabet[idx];\\n        } else {\\n            code += text[i];\\n        }\\n    }\\n    $('.js-text').val(code);\\n});\\n\\n// 解密\\n// 可以請學生複製貼上\\n$('.js-decrypto').click(function () {\\n    var code = '';\\n    var text = $('.js-text').val();\\n    var offset = $('.js-offset').val();\\n    offset = parseInt(offset);\\n\\n    for (var i=0; i\u003ctext.length; i++) {\\n        var idx = alphabet.indexOf(text[i]);\\n        if (idx != -1) {\\n            idx = (idx - offset + 26)%26;\\n            code += alphabet[idx];\\n        } else {\\n            code += text[i];\\n        }\\n    }\\n\\n    $('.js-text').val(code);\\n});\"}","created_at":"2018-09-29T10:17:43.889+08:00","updated_at":"2019-10-27T20:45:37.846+08:00","name":"凱薩密碼","language":"web","screenshot":{"url":"https://cdn4.koding.school/uploads/project/screenshot/43286/e2ab19941ee89defe23718a1558efcda.jpg"},"parent_id":null,"plugin":null,"description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":145,"hashid":"6rpsrwqd","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}