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This article introduces the relevant knowledge of "how to deal with Chinese garbled when AJAX submits data". In the operation of actual cases, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Principle: html can not set coding, but xml can, we use xml, take the data to the past, it is OK.

Js core code:

/ Note: please use a more perfect way to create xmlDoc,xmlHtml objects. This is just a brief demonstration.

FunctiondoSubmit () {

Varstr=document.getElementById ("input1"). Value

/ / suppose str is the data you want to submit

Alert (str)

/ / "MSXML2.DOMDocument", "Microsoft.XMLDOM", "MSXML.DOMDocument", "MSXML3.DOMDocument"

VarxmlDoc=newActiveXObject ("MSXML2.DOMDocument")

/ / initialize the xml document object

XmlDoc.loadXML ("")

XmlDoc.documentElement.text=str;// is carried as content.

/ / if it is more convenient to use attributes to carry data, you can use the following methods

/ / xmlDoc.documentElement.setAttribute ("name", "msg")

/ / xmlDoc.documentElement.setAttribute ("value", str)

Alert (xmlDoc.xml); / / View the generated xml content

/ / "MSXML2.XMLHttp.5.0", "MSXML2.XMLHttp.4.0", "MSXML2.XMLHttp.3.0", "MSXML2.XMLHttp", "Microsoft.XMLHttp"

VarxmlHttp=newActiveXObject ("MSXML2.XMLHttp.5.0")

Varurl= "servlet/MyServlet?time=" + (newDate ()) .getTime ()

XmlHttp.open ("POST", url,false)

XmlHttp.send (xmlDoc); / / send the xml object

Alert (xmlHttp.responseText)

}

How to deal with Chinese when AJAX submits data

Servlet/action core code:

/ / read the xml data sent by ajax

SAXReaderxmlReader=newSAXReader ()

Documentdocument=null

Try {

Document=xmlReader.read (request.getInputStream ())

} catch (Exceptionex) {

System.err.println ("xml read failed, there may be no xml data")

Ex.printStackTrace ()

}

System.out.println ("received xml data:" + document.asXML ())

/ / parsing xml

Stringstr=document.getRootElement () .getText ()

System.out.println ("parsed data:" + str)

/ / return the result

Response.setContentType ("text/html;charset=UTF-8"); / / GBK is also fine, indicating the returned code

Response.getWriter (). Print ("Server returned message: successful!\ no (∩ _ ∩) o... !"); / / No problem with returning Chinese

Key points:

Create xmlDom objects in js, and parse in the background. Dom4j is used in the background to parse xml.

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