showCatalog = () => {//食堂百科-docx页面添加目录
let docxStr = document.getElementById("docx").innerHTML,
reg = /<a href="(.+?)">(.+?)</a>/gi,
regCont = /<a[^>]*href=['"]([^"]*)['"][^>]*>(.*?)</a>/gi,
nodeArr = docxStr.match(reg),//a标签的数组
hrefArr = [],//截取出来的href属性
codeArr = [],//截取的a标签内容
catalogAryList = [],//目录总数据
hrefReg = /(<a[^>]+href=")(S*)("[^>]*>)(.*?)(</a>)/;
if (nodeArr !== null && nodeArr !== [] && nodeArr !== undefined) {
for (let key in nodeArr) {
let str = nodeArr[key];
if (str.indexOf("#") >= 0) {
hrefArr.push((hrefReg.exec(str))[2])
codeArr.push((hrefReg.exec(str))[4])
}
}
hrefArr.map((item, index) => {
catalogAryList.push({
id: index,
href: item,//链接
msg: codeArr[index]//内容
})
})
catalogObj.catalogAry = catalogAryList;
} else {
// console.log('empty')
}
}