mirror of
https://github.com/NaiboWang/EasySpider.git
synced 2025-04-22 12:09:35 +08:00
276 lines
9.9 KiB
JavaScript
276 lines
9.9 KiB
JavaScript
//表现层的处理
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if (window.location.href.indexOf("backEndAddressServiceWrapper") >= 0) {
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throw "serviceGrid"; //如果是服务器网页页面，则不执行工具
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}
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//返回element相对node节点的xpath，默认的node节点是: /
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function readXPath(element, type = 1, node = document.body) {
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try {
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if (type == 0) //type=0代表默认可通过id生成xpath type=1代表只能从根节点生成xpath, nodeList里必须使用绝对xpath!
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{
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if (element.id !== "") { //判断id属性，如果这个元素有id，则显示//*[@id="xPath"] 形式内容
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return '//*[@id=\"' + element.id + '\"]';
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}
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if (element.className != ""){ //如果有class且某个class name只有一个元素，则使用class name生成xpath
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console.log("class name: " + element.className);
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names = element.className.split(" ");
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for (var i = 0; i < names.length; i++) {
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if (names[i] != "") {
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// return '//*[@class=\"' + names[i] + '\"]';
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console.log('//*[@contains(@class, \"' + names[i] + '\")]');
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elements_of_class = node.getElementsByClassName(names[i]);
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console.log("Length of elements_of_class: " + elements_of_class.length);
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if(elements_of_class.length == 1){
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return '//*[contains(@class, \"' + names[i] + '\")]'
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}
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}
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}
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}
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}
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//这里需要需要主要字符串转译问题，可参考js 动态生成html时字符串和变量转译（注意引号的作用）
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if (element == node) { //递归到body处，结束递归
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if (node == document.body) {
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return '/html/' + element.tagName.toLowerCase();
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} else {
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return "";
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}
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}
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var ix = 1, //在nodelist中的位置，且每次点击初始化
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siblings = element.parentNode.childNodes; //同级的子元素
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for (var i = 0, l = siblings.length; i < l; i++) {
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var sibling = siblings[i];
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//如果这个元素是siblings数组中的元素，则执行递归操作;arguments.callee代表当前函数的名称
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if (sibling == element) {
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return readXPath(element.parentNode, type, node) + '/' + element.tagName.toLowerCase() + '[' + (ix) + ']';
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//如果不符合，判断是否是element元素，并且是否是相同元素，如果是相同的就开始累加
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} else if (sibling.nodeType == 1 && sibling.tagName == element.tagName) {
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//注意此处，为了防止多计算了插入的操作台的3个div元素导致定位错误，这里需要屏蔽掉三个元素的索引号
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if(sibling.id != "wrapperDiv" && sibling.id != "wrapperTdiv" &&sibling.id != "wrapperToolkit"){
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ix++;
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}
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}
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}
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} catch {
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return "/"
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}
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};
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//创造div作为选中元素后的样式存在
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var div = document.createElement('div');
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div.style.zIndex = -2147483647;
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div.setAttribute("id", "wrapperDiv");
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div.style.position = "fixed";
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div.style.boxSizing = "border-box";
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div.style.border = "dotted";
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var tdiv = document.createElement('div');
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tdiv.style.zIndex = 2147483647;
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tdiv.style.position = "fixed";
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tdiv.setAttribute("id", "wrapperTdiv");
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tdiv.classList = "tdiv";
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tdiv.style.top = "0px";
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tdiv.style.width = "3000px";
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tdiv.style.height = "3000px";
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tdiv.style.pointerEvents = "none";
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var mousemovebind = false; //如果出现元素默认绑定了mousemove事件导致匹配不到元素的时候，开启第二种模式获得元素
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var toolkit = document.createElement("div")
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toolkit.classList = "tooltips"; //添加样式
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toolkit.setAttribute("id", "wrapperToolkit");
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var tooltips = false; //标记鼠标是否在提示框上
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var defaultbgColor = 'rgba(221,221,255,0.8)'; //移动到元素的背景颜色
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var selectedColor = "rgba(151,255,255, 0.6)"; //选中元素的背景颜色
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var boxShadowColor = "blue 0px 0px 5px"; //待选元素的边框属性
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//右键菜单屏蔽
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document.oncontextmenu = () => false;
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var nodeList = []; //已被选中的节点列表
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var readyList = []; //预备选中的list
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var outputParameters = []; //输出参数列表
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var outputParameterNodes = []; //输出参数节点列表
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NowNode = null;
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var xnode = null;
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var step = 0; //记录这是第几次点击操作
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var style = ""; //记录上个元素的颜色
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document.addEventListener("mousemove", function() {
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if (mousemovebind) {
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tdiv.style.pointerEvents = "none";
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}
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//如果鼠标在元素框内则点击和选中失效
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var x = event.clientX;
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var y = event.clientY;
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var divx1 = toolkit.offsetLeft;
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var divy1 = toolkit.offsetTop;
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var divx2 = toolkit.offsetLeft + toolkit.offsetWidth;
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var divy2 = toolkit.offsetTop + toolkit.offsetHeight;
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if (x >= divx1 && x <= divx2 && y >= divy1 && y <= divy2) {
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tooltips = true;
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return;
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}
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oe = document.elementFromPoint(event.x, event.y);
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if (oe == tdiv) {
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return;
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}
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tooltips = false;
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NowNode = oe;
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te = 0;
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exist = 0;
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exist2 = 0;
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for (o of nodeList) {
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if (o["node"] == oe) {
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exist = 1;
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break;
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}
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}
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for (o of nodeList) {
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if (o["node"] == xnode) {
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exist2 = 1;
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break;
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}
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}
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// console.log(oe);
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if (xnode == null) {
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xnode = oe;
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}
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if (xnode != oe) {
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if (exist2 == 0) { //如果上个元素不在数组里，改回上个元素的初始颜色
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try {
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xnode.style.backgroundColor = style; //上个元素改回原来元素的背景颜色
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} catch {
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xnode.style.backgroundColor = ""; //上个元素改回原来元素的背景颜色
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}
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}
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try {
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style = oe.style.backgroundColor;
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} catch {
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style = "";
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}
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if (exist == 1) {
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} else {
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try {
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oe.style.backgroundColor = defaultbgColor; //设置新元素的背景元素
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} catch {}
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}
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xnode = oe;
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div.style.display = "none";
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}
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if (mousemovebind) {
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tdiv.style.pointerEvents = "";
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}
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});
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//点击没反应时候的替代方案
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document.onkeydown = function(event) {
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// console.log("keydown");
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var e = event || window.event || arguments.callee.caller.arguments[0];
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if (e && e.keyCode == 118) { // 按 F7
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addEl();
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} else if (e && e.keyCode == 119) { //按F8
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clearEl();
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} else if (e && e.keyCode == 120) { //按F9
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NowNode.focus();
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NowNode.click();
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// console.log("click",NowNode);
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} else {
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return event.keyCode;
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}
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};
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//选中元素到列表中
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function addEl() {
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// if (tooltips) {
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// return;
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// }
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let exist = false;
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for (o of nodeList) {
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if (o["node"] == oe) {
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exist = true;
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break;
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}
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}
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//元素没有被添加过才去添加
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if (!exist) {
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step++;
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exist = false; //判断刚加入的元素是否在readyList中，如果在，则将所有readylist中的元素全部放入list中
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for (o of readyList) {
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if (o["node"] == oe) {
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exist = true;
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break;
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}
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}
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if (exist) { //存在在readylist就全选中
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readyToList(step);
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if (app._data.selectedDescendents) {
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handleDescendents(); //如果之前有选中子元素，新加入的节点又则这里也需要重新选择子元素
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}
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} else //不然只添加一个元素
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{
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clearReady(); //readylist清零重新算
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nodeList.push({ node: NowNode, "step": step, bgColor: style, "boxShadow": NowNode.style.boxShadow == "" || boxShadowColor ? "none" : NowNode.style.boxShadow, xpath: readXPath(NowNode, 1) });
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NowNode.style.backgroundColor = selectedColor;
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}
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handleElement(); //处理新状态
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//将虚线框显示在元素上方但屏蔽其鼠标操作
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var pos = NowNode.getBoundingClientRect();
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div.style.display = "block";
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div.style.height = NowNode.offsetHeight + "px";
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div.style.width = NowNode.offsetWidth + "px";
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div.style.left = pos.left + "px";
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div.style.top = pos.top + "px";
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div.style.zIndex = 2147483645;
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div.style.pointerEvents = "none";
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}
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// console.log("------");
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// for (i = 0; i < nodeList.length; i++) {
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// console.log(nodeList[i]["xpath"]);
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// }
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//对于可点击元素，屏蔽a标签默认点击事件
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event.stopImmediatePropagation();
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event.stopPropagation();
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event.preventDefault ? event.preventDefault() : event.returnValue = false;
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}
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document.addEventListener("mousedown", addEl);
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toolkit.addEventListener("mousedown", function(e) { e.stopPropagation(); }); //重新定义toolkit里的点击事件
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//清除选择项
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function clearEl() {
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//如果最后停留的元素被选中，则调整此元素的style为原始style，否则不进行调整
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for (node of nodeList) {
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node["node"].style.backgroundColor = node["bgColor"];
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node["node"].style.boxShadow = node["boxShadow"];
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if (NowNode == node["node"]) {
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style = node["bgColor"];
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}
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}
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step = 0;
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clearReady();
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clearParameters();
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nodeList.splice(0, nodeList.length); //清空数组
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app._data.option = 0; //选项重置
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app._data.page = 0; //恢复原始页面
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}
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//清除预备数组
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function clearReady() {
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for (node of readyList) //节点列表状态恢复原状
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{
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node["node"].style.boxShadow = node["boxShadow"];
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}
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readyList.splice(0, readyList.length); //清空数组
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}
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document.body.append(div); //默认如果toolkit不存在则div和tdiv也不存在
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document.body.append(tdiv);
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document.body.append(toolkit);
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var timer; |