php在页面内搜索的实现

 整个搜索功能用php的JSON 数据实现 json字符串可以访问https://www.bejson.com/jsoneditoronline/，该网址可以格式化json数据，进行修改。 定义 $s='{"all":[{"academy":"a","name":"信院","content":[{"grade":"1","class":"0","name":"大一","subject":[{"na

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