Files
EasySpider/ElectronJS/bootstrap/baozhuangscript3.js
T

84 lines
2.9 KiB
JavaScript

function readXPath(element) {
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
return '//*[@id=\"' + element.id + '\"]';
}
//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)
if (element == document.body) {//递归到body处,结束递归
return '/html/' + element.tagName.toLowerCase();
}
var ix = 1,//在nodelist中的位置,且每次点击初始化
siblings = element.parentNode.childNodes;//同级的子元素
for (var i = 0, l = siblings.length; i < l; i++) {
var sibling = siblings[i];
//如果这个元素是siblings数组中的元素,则执行递归操作
if (sibling == element) {
return arguments.callee(element.parentNode) + '/' + element.tagName.toLowerCase() + '[' + (ix) + ']';
//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
} else if (sibling.nodeType == 1 && sibling.tagName == element.tagName) {
ix++;
}
}
};
var nodeList = [];
NowNode = null;
var xnode = null;
var style = ""; //记录上个元素的颜色
document.addEventListener("mousemove", function () {
oe = document.elementFromPoint(event.x, event.y);
NowNode = oe;
console.log(oe);
if (xnode == null) {
xnode = oe;
}
if (xnode != oe) {
xnode.style.backgroundColor = style; //上个元素改回原来元素的背景颜色
style = oe.style.backgroundColor;
exist = 0;
for (o of nodeList) {
if (o["node"] == oe) {
exist = 1;
break;
}
}
if (exist == 1) {
}
else {
oe.style.backgroundColor = '#DDDDFF'; //设置新元素的背景元素
}
xnode = oe;
}
//对于可点击元素,屏蔽点击事件
if (oe.style.cursor == "pointer" || oe.tagName == "A" || oe.tagName == "BUTTON" || oe.tagName == "INPUT" || oe.onclick) {
oe.setAttribute("disabled", true);
}
});
document.addEventListener("click", function () {
nodeList.push({ node: NowNode, bgcolor: style, xpath: readXPath(NowNode) });
NowNode.style.backgroundColor = "#80FFFF";
style = "#80FFFF";
console.log(nodeList);
//对于可点击元素,屏蔽a标签默认点击事件
event.stopImmediatePropagation();
event.stopPropagation();
event.preventDefault ? event.preventDefault() : event.returnValue = false;
});
//清除选择项
function clear() {
//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
for (node of nodeList) {
node["node"].style.backgroundColor = node["bgcolor"];
if (NowNode == node["node"]) {
style = node["bgcolor"];
}
}
nodeList.splice(0, nodeList.length); //清空数组
}