添加文章内容的摘要

[xuexb]

// var marked = require('marked');
// var renderer = new marked.Renderer();

// var count = 0;

// renderer.heading = function(text, level) {
//     var escapedText = text.toLowerCase()//.replace(/[^\w]+/g, '');
//     escapedText = encodeURIComponent(escapedText);
//     if (!escapedText) {
//         escapedText = ++count;
//     }

//     return '<h' + level + '><a name="anchor-' +
//         escapedText +
//         '" class="anchor" href="#anchor-' +
//         escapedText +
//         '"><span class="header-link"></span></a>' +
//         text + '</h' + level + '>';
// }

// console.log(marked('# heading+', {
//     renderer: renderer
// }));
// console.log(marked('## 前端\n\
// [fdsfdsf](#前端)+', {
//     renderer: renderer
// }));
// console.log(marked('### f15614656+', {
//     renderer: renderer
// }));

var str = '<h2><a name="anchor-前端" class="anchor" href="#anchor-前端"><span class="header-link"></span></a>heading+</h2>\
<p>fdsjlkfjsdlkfjksldfj</p>\
{{view_page}}\
<p>fjsdklfjsdkf</p>\
{{view_page}}\
<h2><a name="anchor-%E5%89%8D%E7%AB%AF" class="anchor" href="#anchor-%E5%89%8D%E7%AB%AF"><span class="header-link"></span></a>前端</h2><p><a href="#前端">fdsfdsf</a>+</p>\
<h3><a name="anchor-前端" class="anchor" href="#anchor-f15614656%2B"><span class="header-link"></span></a>f15614656+</h3>\
<h3><a name="anchor-465464646" class="anchor" href="#anchor-f15614656%2B"><span class="header-link"></span></a>f15614656+</h3>\
<p>fsdfsf</p>';

var data = str.split('{{view_page}}');
var result = [];
data.forEach(function(val, index){
    var temp = val.match(/<h([23])><a name\=\"anchor\-(.+?)\"/g) || [];
    temp.forEach(function(val2){
        var temp2 = val2.match(/<h([23])><a name\=\"anchor\-(.+?)\"/);

        if(temp2){
            if(temp2[1] === '2'){
                result.push('<dt><a href="?page='+ (index + 1) +'#anchor-'+ temp2[2] +'">'+ decodeURIComponent(temp2[2]) +'</a></dt>');
            } else {
                result.push('<dd><a href="?page='+ (index + 1) +'#anchor-'+ temp2[2] +'">'+ decodeURIComponent(temp2[2]) + '</a></dd>');
            }
        }

        temp2 = null;
    });
});

console.log(result);