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Hexo 搭建博客时遇到的问题

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1、npm 安装插件速度慢

1、方法一：切换源

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npm config set registry https://registry.npm.taobao.org

2、方法二：使用cnpm

执行完下列命令后，当要用到npm命令时就可以使用cnpm代替

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npm install -g cnpm --registry=https://registry.npm.taobao.org

2、文章图片插入

1、配置_config.yml文件，使得在使用hexo命令新建一个Post时同时创建一个对应的文件夹

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# 将 post_asset_folder 设置为 true
post_asset_folder: true

2、安装hexo-asset-image插件

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npm install https://github.com/CodeFalling/hexo-asset-image -- save

3、只要将.md引用的图片放入对应的文件夹内就可以了。

4、如果你的仓库名称不是username.io的话，图片插入仍然存在问题，修改node_modules/hexo-asset-image/index.js中的代码来修复问题。

修改后的代码：

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'use strict';
var cheerio = require('cheerio');

// http://stackoverflow.com/questions/14480345/how-to-get-the-nth-occurrence-in-a-string
function getPosition(str, m, i) {
  return str.split(m, i).join(m).length;
}

hexo.extend.filter.register('after_post_render', function(data){
  var config = hexo.config;
  if(config.post_asset_folder){
    var link = data.permalink;
    
    var beginPos = getPosition(link, '/', 3) + 1;
    
    var appendLink = '';
    // In hexo 3.1.1, the permalink of "about" page is like ".../about/index.html".
    // if not with index.html endpos = link.lastIndexOf('.') + 1 support hexo-abbrlink
    if(/.*\/index\.html$/.test(link)) {
      // when permalink is end with index.html, for example 2019/02/20/xxtitle/index.html
      // image in xxtitle/ will go to xxtitle/index/
      appendLink = 'index/';
      var endPos = link.lastIndexOf('/');
    }
    else {
      var endPos = link.lastIndexOf('/');
    }
    link = link.substring(beginPos, endPos) + '/' + appendLink;
    var toprocess = ['excerpt', 'more', 'content'];
    for(var i = 0; i < toprocess.length; i++){
      var key = toprocess[i];

      var $ = cheerio.load(data[key], {
        ignoreWhitespace: false,
        xmlMode: false,
        lowerCaseTags: false,
        decodeEntities: false
      });

      $('img').each(function(){
        if ($(this).attr('src')){
          // For windows style path, we replace '\' to '/'.
          var src = $(this).attr('src').replace('\\', '/');
          if(!(/http[s]*.*|\/\/.*/.test(src)
            || /^\s+\//.test(src)
            || /^\s*\/uploads|images\//.test(src))) {
            // For "about" page, the first part of "src" can't be removed.
            // In addition, to support multi-level local directory.
            var linkArray = link.split('/').filter(function(elem){
              return elem != '';
            });
            var srcArray = src.split('/').filter(function(elem){
              return elem != '' && elem != '.';
            });
            if(srcArray.length > 1)
            srcArray.shift();
            src = srcArray.join('/');

            $(this).attr('src', config.root + link + src);
            console.info&&console.info("update link as:-->"+ config.root + link + src);
          }
        }else{
          console.info&&console.info("no src attr, skipped...");
          console.info&&console.info($(this));
        }
      });
      data[key] = $.html();
    }
  }
});