凱薩密碼副本 | 程式專案

{"id":42848,"student_id":1440,"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\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 alpha = 'abcdefghijklmnopqrstuvwxyz'\\nvar text\\nvar offset\\nvar idx\\nvar code\\n// 加密\\n$('.js-encrypto').click(function () {\\n    text = $('.js-text').val()\\n    offset = $('.js-offset').val()*1\\n    idx = []\\n    for (var i = 0; i \u003c text.length; i++) {\\n        idx.push(alpha.indexOf(text.charAt(i)))\\n    }\\n    console.log(idx)\\n    code = []\\n    for (var i = 0; i \u003c idx.length; i++) {\\n        if (idx[i]+offset \u003e 26) {\\n            code.push(alpha.charAt(idx[i]+offset-25))\\n        } else {\\n            code.push(alpha.charAt(idx[i]+offset))\\n        }\\n    }\\n    console.log(code)\\n    $('.js-text').val(code.join(\\\"\\\"))\\n})\\n\\n// 解密\\n$('.js-decrypto').click(function () {\\n    text = $('.js-text').val()\\n    offset = $('.js-offset').val()*1\\n    idx = []\\n    for (var i = 0; i \u003c text.length; i++) {\\n        idx.push(alpha.indexOf(text.charAt(i)))\\n    }\\n    code = []\\n    for (var i = 0; i \u003c idx.length; i++) {\\n        if(idx[i]-offset-1\u003c0){\\n            code.push(alpha.charAt(25+idx[i]-offset))\\n        }else{\\n        code.push(alpha.charAt(idx[i]-offset))\\n        }\\n    }\\n    $('.js-text').val(code.join(\\\"\\\"))\\n})\"}","created_at":"2018-09-18T16:19:56.797+08:00","updated_at":"2018-12-31T05:44:33.068+08:00","name":"凱薩密碼 副本","language":"web","screenshot":{"url":"https://cdn5.koding.school/uploads/project/screenshot/42848/a6104afa22209fcd2b0104dca73ef915.jpg"},"parent_id":33463,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":105,"hashid":"2pdspzym","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}