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Web Text Encoding
Decode           Transfer                              Encode




                                                        text
browser                              Web Server
                                                       editor
          Content-Type: charset=
                                                       save as ...
                                     Default charset

                        html


                  <meta charset=””
• content-type
• charset
• encoding
• escape
Html

• http        content-type > html meta
    >                          charset

•                         , char reference,
    html entity (€   &#8364;     &euro;)
url, form

• url: ASCII only, Percent encoding
• form submit
• ajax submit
Javascript

• String.fromCharCode:   unicode



• charCodeAt             unicode

• escape, encodeURI, encodeURIComponent
alipay
•   page, uisvr gbk, why gbk?

•   js css utf-8

•   ajax utf-8

•   sofa

•   login goto
•

•
Web encoding

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Web encoding

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