监听网页内的键盘事件和鼠标事件，抓取捕获这些鼠标、键盘消息的网页节点的源代码和坐标。ctrl+shift+F9，启动或停用脚本；ctrl+shift+F10，显示选项菜单；ctrl+shift+F11，显示抓取到的源代码；ctrl+shift+F12获取当前焦点的源代码。
// ==UserScript==
// @name 监听网页操作
// @namespace
// @version 0.3
// @description 监听网页内的键盘事件和鼠标事件，抓取捕获这些鼠标、键盘消息的网页节点的源代码和坐标。ctrl+shift+F9，启动或停用脚本；ctrl+shift+F10，显示选项菜单；ctrl+shift+F11，显示抓取到的源代码；ctrl+shift+F12获取当前焦点的源代码。
// @author 流水
// @include *
// @grant unsafeWindow
// ==/UserScript==
window.setTimeout(function()
{
let canUseHotkey = false;
let needGetCode = false;
let manyTimesHandle = false;
let allNodeCode = false;
let needGetHotkeyMessage = false;
let needGetMouseMessage = false;
let onlyOneNodeCode = false;
let manyTimesCode = "";
let observer1 = null;
if (MutationObserver != null)
{
observer1 = new MutationObserver(function(mutationList, observer)
{
let str = "";
for (let mutation of mutationList)
{
if (mutation.target.nodeName)
{
if (str == mutation.target.outerHTML)
continue;
else {
str = mutation.target.outerHTML;
GetPartSourceCode(mutation.target, "新增加或内容发生变化的元素");
}
}
}
})
}
document.addEventListener("click", function(event)
{
if ((needGetMouseMessage === true) || (needGetHotkeyMessage === true))
GetMessageType(event);
else
GetPartSourceCode(event.srcElement, "被点击的元素");
})
document.addEventListener("dblclick", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("mousedown", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("mouseout", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("mouseover", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("mouseup", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("mousemove", function(event)
{
if (needGetMouseMessage === true)
GetMessageType(event);
})
document.addEventListener("keydown", function(event)
{
if (needGetHotkeyMessage === true)
GetMessageType(event);
if (window.event.keyCode === 120 && !window.event.altKey && window.event.shiftKey && window.event.ctrlKey)
{
if (!canUseHotkey)
{
canUseHotkey = true;
ChooseMode();
}
else {
canUseHotkey = false;
needGetCode = false;
manyTimesCode = "";
if (observer1 != null)
observer1.disconnect();
alert("脚本抓取源码的快捷键已禁用");
}
}
if (window.event.keyCode === 121 && !window.event.altKey && window.event.shiftKey && window.event.ctrlKey && canUseHotkey)
{
ChooseMode();
}
if (window.event.keyCode === 123 && !window.event.altKey && window.event.shiftKey && window.event.ctrlKey && canUseHotkey)
{
GetPartSourceCode(event.srcElement);
}
if (window.event.keyCode === 122 && !window.event.altKey && window.event.shiftKey && window.event.ctrlKey && canUseHotkey)
{
CreateSourceCodeTextarea();
}
})
function GetMessageType(event)
{
if ((needGetHotkeyMessage === false) && (needGetMouseMessage === false))
return false;
let node = event.srcElement;
let str = "鼠标、键盘消息为：";
str += event.type;
str += ("\r\n" + GetPosition(event));
if (needGetHotkeyMessage)
str += GetKeyCode(event);
str += "\r\n";
manyTimesCode += str;
GetPartSourceCode(node);
}
function GetPosition(event)
{
let str = "";
if (event.screenX && event.screenY)
str += ("屏幕坐标为:" + "x:" + event.screenX + "," + "y:" + event.screenY + "\r\n");
if (event.clientX && event.clientY)
str += ("客户区坐标位置为:" + "x:" + event.clientX + "," + "y:" + event.clientY + "\r\n");
if (event.pageX && event.pageY)
str += ("页面坐标位置为:" + "x:" + event.pageX + "," + "y:" + event.pageY + "\r\n");
return str;
}
function GetKeyCode(event)
{
let str = "";
if (!needGetHotkeyMessage || !window.event.keyCode)
return str;
str += "快捷键为:";
if (window.event.altKey)
str += "alt+";
if (window.event.shiftKey)
str += "shift+";
if (window.event.ctrlKey)
str += "ctrl+";
str += (window.event.keyCode + "\r\n");
return str;
}
function GetPartSourceCode(node, headStr = "")
{
if (needGetCode === false)
return;
if (!node)
return;
let str = "";
let index = 0;
while ((node.nodeName != null) && (node.nodeName != "HTML"))
{
if (index === 0)
if (headStr === "")
str += ("被操作的元素node" + index + "的名称为" + node.nodeName + "\r\n");
else
str += (headStr + "node" + index + "的名称为" + node.nodeName + "\r\n");
else
str += ("node" + (index - 1) + "的父元素node" + index + "的名称为" + node.nodeName + "\r\n");
let attributes = node.attributes;
if (attributes != null)
{
if (index === 0)
str += "node" + index + "的属性为：\r\n";
else
str += "node" + index + "的属性为：\r\n";
for(let element of attributes)
{
if (element != null)
str += (element.name + " = " + element.value + "\r\n");
}
}
else {
if (index === 0)
str += "node" + index + "的属性为空\r\n";
else
str += "node" + index + "的属性为空\r\n";
}
if (node.innerHTML != "")
{
if (index === 0)
str += ("node" + index + "的内容为" + node.innerHTML + "\r\n\r\n");
if ((index === 1) || (allNodeCode === true && index > 1))
str += ("node" + index + "的内容为" + node.innerHTML + "\r\n\r\n");
}
else {
if (index === 0)
str += ("node" + index + "的内容为空" + "\r\n\r\n");
else
str += ("node" + index + "的内容为空" + "\r\n\r\n");
}
str += "\r\n";
if (onlyOneNodeCode === true)
break;
++index;
node = node.parentNode;
}
manyTimesCode += str;
if (!manyTimesHandle)
needGetCode = false;
PrintCode();
}
function CreateSourceCodeTextarea()
{
needGetCode = false;
needGetHotkeyMessage = false;
needGetMouseMessage = false;
if (observer1 != null)
observer1.disconnect();
let sourceCodeTextarea = document.getElementById("sourceCodeTextarea");
if (!sourceCodeTextarea)
{
sourceCodeTextarea = document.createElement('textarea');
sourceCodeTextarea.setAttribute("id", "sourceCodeTextarea");
sourceCodeTextarea.setAttribute("title", "网页源代码");
sourceCodeTextarea.setAttribute("readonly", "readonly");
document.getElementsByTagName('body')[0].appendChild(sourceCodeTextarea);
sourceCodeTextarea.onblur = function()
{
document.getElementsByTagName('body')[0].removeChild(this);
}
}
sourceCodeTextarea.innerHTML = manyTimesCode;
sourceCodeTextarea.focus();
}
function ChooseMode()
{
manyTimesCode = "";
if (observer1 != null)
observer1.disconnect();
let selectNode = document.getElementsByName("selectForCHooseMode");
if (!selectNode[0])
{
selectNode = document.createElement("select");
selectNode.setAttribute("name", "selectForCHooseMode");
selectNode.innerHTML = ("<option value=\"-1\">请选择</option>"
+ "<option value=\"0\">获取一次被点击元素的源码(只获取前两层元素的完整源代码)</option>"
+ "<option value=\"1\">连续获取被点击元素的源码(只获取前两层元素的完整源代码)</option>"
+ "<option value=\"2\">获取一次被点击元素的源码(获取直到根节点的完整源代码)</option>"
+ "<option value=\"3\">连续获取被点击元素的源码(获取直到根节点的完整源代码)</option>"
+ "<option value=\"4\">获取完整网页源代码</option>"
+ "<option value=\"5\">侦听鼠标、键盘消息</option>"
+ "<option value=\"6\">只侦听鼠标消息</option>"
+ "<option value=\"7\">只侦听键盘消息</option>"
+ "<option value=\"8\">只侦听鼠标消息并只获取第一层节点的内容</option>"
+ "<option value=\"9\">只侦听键盘消息并只获取第一层节点的内容</option>"
+ "<option value=\"10\">侦听鼠标、键盘消息并只获取第一层节点的内容</option>"
+ "<option value=\"11\">获取新增节点内容</option>"
+ "<option value=\"12\">获取新增节点内容，并只获取第一层节点</option>"
+ "<option value=\"13\">获取新增节点及被改变文本的内容</option>"
+ "<option value=\"14\">获取新增节点及被改变文本的内容，并只获取第一层节点</option>");
document.getElementsByTagName('body')[0].appendChild(selectNode);
selectNode.focus();
selectNode.onblur = function()
{
manyTimesCode = "";
needGetCode = true;
needGetHotkeyMessage = false;
needGetMouseMessage = false;
onlyOneNodeCode = false;
let value = this.value;
document.getElementsByTagName('body')[0].removeChild(this);
if (value == 0)
{
manyTimesHandle = false;
allNodeCode = false;
}
if (value == 1)
{
manyTimesHandle = true;
allNodeCode = false;
}
if (value == 2)
{
manyTimesHandle = false;
allNodeCode = true;
}
if (value == 3)
{
manyTimesHandle = true;
allNodeCode = true;
}
if (value == 4)
{
let htmlString = document.getElementsByTagName('html')[0].innerHTML.replace(/\n/g, '\r\n');
htmlString += ("\r\n\r\n" + window.location.href);
manyTimesCode += htmlString;
PrintCode();
}
if (value == 5)
{
needGetHotkeyMessage = true;
needGetMouseMessage = true;
manyTimesHandle = true;
allNodeCode = false;
}
if (value == 6)
{
needGetMouseMessage = true;
manyTimesHandle = true;
allNodeCode = false;
}
if (value == 7)
{
needGetHotkeyMessage = true;
manyTimesHandle = true;
allNodeCode = false;
}
if (value == 8)
{
needGetMouseMessage = true;
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = true;
}
if (value == 9)
{
needGetHotkeyMessage = true;
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = true;
}
if (value == 10)
{
needGetHotkeyMessage = true;
needGetMouseMessage = true;
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = true;
}
if (value == 11)
{
if (observer1 != null)
observer1.observe(document.body, {childList:true, subtree:true});
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = false;
}
if (value == 12)
{
if (observer1 != null)
observer1.observe(document.body, {childList:true, subtree:true});
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = true;
}
if (value == 13)
{
if (observer1 != null)
observer1.observe(document.body, {attributes:true, childList:true, subtree:true, characterData:true});
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = false;
}
if (value == 14)
{
if (observer1 != null)
observer1.observe(document.body, {attributes:true, childList:true, subtree:true, characterData:true});
manyTimesHandle = true;
allNodeCode = false;
onlyOneNodeCode = true;
}
}
}
}
function PrintCode()
{
if (window.location.href.search(/^http:\/\/.+/i) == -1)
{
navigator.clipboard.writeText(manyTimesCode);
if ((needGetHotkeyMessage === false) && (needGetMouseMessage === false))
window.setTimeout(function()
{
alert("源代码已复制");
}, 1000)
}
else {
if (!manyTimesHandle)
window.setTimeout(function()
{
CreateSourceCodeTextarea();
},1000)
}
}
}, 0)