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2025-03-18 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >
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This article is about JSP how to get client browser and operating system information. Xiaobian thinks it is quite practical, so share it with everyone for reference. Let's follow Xiaobian and have a look.
Getting client browser and operating system information from JSP is not difficult, so let's get started.
string agent = request.getheader("user-agent");
stringtokenizer st = new stringtokenizer(agent,";");
st.nexttoken();
JSP gets the browser name of the user
string userbrowser = st.nexttoken();
JSP gets the operating system name of the user
string useros = st.nexttoken();
The local information can also be obtained as follows:
◆JSP to get the operating system information of the client
system.getproperty("os.name"); //win2003 is win xp?
system.getproperty("os.version");
system.getproperty("os.arch");
◆ Get client browser information from JSP:
request.getheader("user-agent") Returns the version number and type of the client browser
getheader(string name): Get the header information of the transfer file defined by http protocol,
request. getmethod(): Get the client to send data to the server side of the method have get, post, put and other types
request. getrequesturi(): Gets the address of the client that issued the request string
request. getservletpath(): Gets the file path of the script file requested by the client
request. getservername(): Gets the name of the server
request.getserverport(): Get the port number of the server
request. geremoteaddr (): Get IP address of client
request. geremotehost (): Get the name of the client computer, if failed, return the IP address of the client computer
request. getheaders (): Returns the names of all request headers, the result set is an instance of the enumeration class
request.getheaders(string name): Returns all values of the request header for the specified name, the result set is an instance of the enumeration class
JSP to obtain client browser and operating system information in the actual development is an important link, then the various functions of the call will help you achieve the goal, now you are more understand their meaning?
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