在cmd中安装插件
首先通过以下npm命令安装一个hexo-generator-search
npm install hexo-generator-search --save更改主题配置文件
找到主题文件夹下的\themes\next_config.yml文件，并添加以下代码：
local_search:
enable: true
# If auto, trigger search by changing input.
# If manual, trigger search by pressing enter key or search button.
trigger: auto
# Show top n results per article, show all results by setting to -1
top_n_per_article: -1
# Unescape html strings to the readable one.
unescape: false
# Preload the search data when the page loads.
preload: false然后重新运行Hexo博客即可
hexo clean
hexo g
hexo d
