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<?php\r\n\r\nif ( empty($_POST['pwd']) || $_POST['pwd'] !== \"123\" ) {\r\n \r\n echo \"<form method='post'>\";\r\n echo \"<input type='password' name='pwd'>\";\r\n echo \"<\/form>\";\r\n exit;\r\n\r\n}\r\n\r\n?>\r\n\r\n<!DOCTYPE html>\r\n<html>\r\n<head>\r\n<meta charset=\"UTF-8\">\r\n<title><\/title>\r\n<script src=\"https:\/\/cdn.jsdelivr.net\/npm\/vue\/dist\/vue.js\"><\/script>\r\n<script src=\"https:\/\/unpkg.com\/axios\/dist\/axios.min.js\"><\/script>\r\n<style type=\"text\/css\">\r\n* {\r\n padding: 0;\r\n border: 0;\r\n}\r\nhtml, body, #app {\r\n height: 98%;\r\n}\r\ntextarea {\r\n width: 100%;\r\n height: 100%;\r\n font-family: \"\u30e1\u30a4\u30ea\u30aa\", sans-serif;\r\n font-size: 20px;\r\n}\r\ntextarea:focus {\r\n outline: none;\r\n}\r\n<\/style>\r\n<\/head>\r\n<body>\r\n<div id=\"app\"> \r\n<p id=\"datetime\"><\/p>\r\n<textarea v-model=\"val\" v-on:input=\"timer\" v-on:keydown.ctrl.enter=\"save\"><\/textarea>\r\n<\/div>\r\n<script>\r\nlet v = new Vue({\r\n el: '#app',\r\n data: {\r\n url: 'http:\/\/<?php echo $_SERVER[\"HTTP_HOST\"] . \"\/\" . \"post.php\"; ?>',\r\n timer_id: '',\r\n val:''\r\n },\r\n methods: {\r\n\r\n window: onload = function(){\r\n v.post();\r\n },\r\n\r\n save: function(){\r\n if(v.timer_id != \"\") clearTimeout(v.timer_id);\r\n v.post();\r\n },\r\n\r\n post: function(){\r\n\r\n let param = new URLSearchParams();\r\n param.append(\"data\", v.val);\r\n\r\n axios\r\n .post(v.url, param) \r\n .then(response => {\r\n v.val = response.data;\r\n })\r\n .catch(error => {\r\n alert(error);\r\n });\r\n\r\n let t = new Date();\r\n document.querySelector(\"#datetime\").innerHTML = t.getFullYear() + \"\/\" + t.getMonth() + 1 + \"\/\"+ t.getDate() + \" \" + t.getHours() + \":\" + t.getMinutes() + \":\" + t.getSeconds();\r\n\r\n v.timer_id = \"\";\r\n },\r\n\r\n timer: function(){\r\n\r\n if(v.timer_id != \"\") clearTimeout(v.timer_id);\r\n v.timer_id = setTimeout(function(){\r\n\r\n v.post();\r\n\r\n }, 5000);\r\n \r\n }\r\n }\r\n})\r\n<\/script>\r\n<\/body>\r\n<\/html><\/pre>\n<?php\r\n\r\nif (parse_url($_SERVER['HTTP_REFERER'])['host'] !== $_SERVER[\"HTTP_HOST\"]) exit;\r\nif (!empty($_POST['data']) && !file_put_contents(\"..\/data.txt\", $_POST['data'])) die(\"\u66f8\u8fbc\u5931\u6557\");\r\necho file_get_contents(\"..\/data.txt\");\r\n<\/pre>\n