二進位加密/解密 | 程式專案

{"id":43047,"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://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/css/bootstrap.min.css\\\"\u003e\\n    \u003cscript src=\\\"https://code.jquery.com/jquery-3.2.1.min.js\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.12.9/umd/popper.min.js\\\"\u003e\u003c/script\u003e\\n    \u003cscript src=\\\"https://maxcdn.bootstrapcdn.com/bootstrap/4.0.0/js/bootstrap.min.js\\\"\u003e\u003c/script\u003e\\n\u003c/head\u003e\\n\u003cbody\u003e\\n    \u003ctextarea id=\\\"input\\\" class=\\\"form-control\\\" rows=\\\"2\\\" placeholder=\\\"要加密的訊息...\\\"\u003e\u003c/textarea\u003e\\n    \u003cbutton class=\\\"form-control btn btn-primary\\\"\u003e解密\u003c/button\u003e\\n    \u003ctable class=\\\"table table-striped bg-light\\\"\u003e\\n        \u003cthead\u003e\\n            \u003ctr\u003e\\n                \u003ctd\u003e文字\u003c/td\u003e\\n                \u003ctd\u003e二進位碼\u003c/td\u003e\\n            \u003c/tr\u003e\\n        \u003c/thead\u003e\\n    \u003c/table\u003e\\n\u003c/body\u003e\\n\u003c/html\u003e\",\"css\":\"\",\"js\":\"var alpha = 'abcdefghijklmnopqrstuvwxyz'\\nvar input\\nvar idx\\n\\n$('#input').keyup(function() {\\n    start()\\n})\\n\\n$('button').on(\\\"click\\\", function() {\\n    $('table').html(\\\"\\\")\\n    $('#input').val(\\\"\\\")\\n    if ($('button').text() == '解密') {\\n        $('button').text(\\\"加密\\\")\\n        $('#input').attr('placeholder', '要解密的訊息...')\\n        $('title').text(\\\"二進位解密\\\")\\n        $('table').append('\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e二進位碼\u003c/td\u003e\u003ctd\u003e文字\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e')\\n    } else {\\n        $('button').text(\\\"解密\\\")\\n        $('#input').attr('placeholder', '要加密的訊息...')\\n        $('title').text(\\\"二進位加密\\\")\\n        $('table').append('\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e文字\u003c/td\u003e\u003ctd\u003e二進位碼\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e')\\n    }\\n})\\n\\n//讀取\\nfunction start() {\\n    $('table').html('')\\n    input = $('#input').val()\\n    idx = []\\n    list = []\\n    if ($('button').text() == '解密') {\\n        $('table').append('\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e文字\u003c/td\u003e\u003ctd\u003e二進位碼\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e')\\n        if (input == \\\"全部\\\") {\\n\\n            //創建顯示清單\\n            for (var i = 0; i \u003c idx.length; i++) {\\n                list.push({\\n                    text: alpha.charAt(i),\\n                    code: code(idx[i])\\n                })\\n            }\\n        } else {\\n\\n            //字母轉成數字\\n            for (var i = 0; i \u003c input.length; i++) {\\n                idx.push(alpha.indexOf(input.charAt(i))+1)\\n            }\\n\\n            //創建顯示清單\\n            for (var i = 0; i \u003c idx.length; i++) {\\n                if (input.charAt(i) == \\\" \\\") {\\n                    list.push({\\n                        text: \\\"\\\",\\n                        code: \\\"\\\"\\n                    })\\n                } else {\\n                    if (code(idx[i]) == 0) {\\n                        list.push({\\n                            text: input.charAt(i),\\n                            code: input.charAt(i)\\n                        })\\n                    } else {\\n                        console.log(idx[i])\\n                        list.push({\\n                            text: input.charAt(i),\\n                            code: code(idx[i])\\n                        })\\n                    }\\n                }\\n            }\\n        }\\n\\n        //載入顯示清單\\n        for (var i = 0; i \u003c list.length; i++) {\\n            add(list[i].text, list[i].code)\\n        }\\n    } else {\\n        $('table').append('\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e二進位碼\u003c/td\u003e\u003ctd\u003e文字\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e')\\n        if (input == \\\"全部\\\") {\\n            for (var i = 1; i \u003c 27; i++) {\\n                idx.push(code(i))\\n            }\\n\\n            //創建顯示清單\\n            for (var i = 0; i \u003c idx.length; i++) {\\n                list.push({\\n                    text: idx[i],\\n                    code: alpha.charAt(uncode(idx[i])-1)\\n                })\\n            }\\n        } else {\\n\\n            //字母轉成數字\\n            idx = input.split(\\\" \\\")\\n\\n            if ($('#input').val() != \\\"\\\") {\\n                //創建顯示清單\\n                for (var i = 0; i \u003c idx.length; i++) {\\n                    if (uncode(idx[i]) == undefined) {\\n                        list.push({\\n                            text: idx[i],\\n                            code: idx[i]\\n                        })\\n                    } else {\\n                        list.push({\\n                            text: idx[i],\\n                            code: alpha.charAt(uncode(idx[i])-1)\\n                        })\\n                    }\\n                }\\n            }\\n        }\\n\\n        //載入顯示清單\\n        for (var i = 0; i \u003c list.length; i++) {\\n            add(list[i].text, list[i].code)\\n        }\\n    }\\n}\\n\\n//加密\\nfunction code(number) {\\n    output = 0\\n    for (var i = 0; i \u003c number; i++) {\\n        output++\\n        if (output%2 == 0) {\\n            output -= 2\\n            output += 10\\n            if (output%20 == 0) {\\n                output -= 20\\n                output += 100\\n                if (output%200 == 0) {\\n                    output -= 200\\n                    output += 1000\\n                    if (output%2000 == 0) {\\n                        output -= 2000\\n                        output += 10000\\n                    }\\n                }\\n            }\\n        }\\n    }\\n    return output\\n}\\n\\n//解密\\nfunction uncode(number) {\\n    o = 0\\n    for (var i = 1; i \u003c 27; i++) {\\n        if (code(i) == number*1) {\\n            o = i\\n        }\\n    }\\n    if (o == 0) {\\n        return undefined\\n    } else {\\n        return o\\n    }\\n}\\n\\n//加入顯示清單\\nfunction add(text, code) {\\n    var item = `\u003cthead\u003e\u003ctr\u003e\u003ctd\u003e${text}\u003c/td\u003e\u003ctd\u003e${code}\u003c/td\u003e\u003c/tr\u003e\u003c/thead\u003e`\\n    $('table').append(item)\\n}\"}","created_at":"2018-09-28T15:38:39.607+08:00","updated_at":"2019-11-04T17:28:46.770+08:00","name":"二進位加密/解密","language":"web","screenshot":{"url":"https://cdn1.koding.school/uploads/project/screenshot/43047/cb2317688ee960d7fe44114a685caecc.jpg"},"parent_id":null,"plugin":"","description":null,"note":null,"status":"public","like_student_ids":[],"is_featured":false,"views":270,"hashid":"jzmszj32","is_content_changed":false,"review_status":"unsubmitted","submitted_at":null,"reviewed_at":null,"advise":null,"is_deleted":false}