The client submits data to the server side in two ways get and post,get is to stitch the data to the URL, and post is to encapsulate the data in the request body and send the past. As the name implies, get is a request for data, sometimes it needs
Differences between contenttype, charset, and pageencoding
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The contenttype attribute specifies the HTTP content type of the response. If contenttype is not specified, the
This summer, I have been developing struts2, but the garbled problem has always occurred, and I have never cared about it... I am free today. To sum up, I hope this problem will not happen again in the future.
First, let's list the previously
I believe many of my friends may encounter garbled MP3 tags when playing MP3 in Linux, no matter which MP3 player is used. I usually use ex falso (an MP3 tag editor provided by quod libet) to edit tags when the MP3 tag is garbled, enable my player
Requests is an HTTP library that uses Apache2 Licensed licenses. Written in Python, more user-friendly and easier to use. Requests uses URLLIB3, so it inherits all of its features. Requests supports HTTP connection retention and connection pooling,
CodeIgniter sends an email (smtp ). $ This-load-library (email); $ config [protocol] smtp; send to QQ user to display Chinese with ISO-8859-1 $ config [charset] ISO-8859-1; send to 163 user, gb2 $ this-> load-> library ('email ') to display Chinese
character encoding is the cornerstone of computer technology, to be proficient in using a computer, you must know a bit of character coding knowledge.Character encoding concepts (personal understanding):That is , the relationship between characters
A string of strings consists of a series of characters, each of which is equal to one byte. This means that PHP can only support a 256 character set and therefore does not support Unicode. See detailed string types.
The note:string can reach 2GB
A string is composed of a series of characters, each of which is equivalent to a byte. This means that PHP only supports the 256 character set and therefore does not support Unicode. For details, see the description of the string type. Note: string..
Mb_convert_encoding (Addslashes ($u [+]), ' UTF-8 ', ' iso-8859-15,shift-jis,eucjp-win,sjis-win,iso-8859-1,utf-8 ')
This transcoding only the first valid, such as the first one is iso-8859-15, Western European code can be converted, but the
Ext.: coolcode.cn
Typically, our web page specifies a coded character set, such as GB2312, UTF-8, iso-8859-1, and so on, so that we can display the text we specify on the page. However, we are likely to encounter this situation, that is, we may want
Http://blog.sina.com.cn/s/blog_87cb63e50102w2b6.html*******************************Basic conceptsThere are three processes of encoding, transmitting and decoding that can be generated by exchanging information. Coding is the process of transforming
Every time before each encounter such a problem, every time is not the case, have suffered a lot. Today deliberately in the online search for something, study a bit, solve the problem, and recorded, convenient for later inspection.The following JSP
1. Learn about JSP and Servlet (Baidu understands it).2. Understand b/S and C/s. are browser/server and client/server respectively. where b/s is called thin mode (mainstream mode).3. Understand and download the Tomcat server: Web application server,
Prerequisites to review the causes of coding problems:1. What is URL encoding?
URL encoding is a format that the browser uses to package form input, and the browser obtains all of the name and its corresponding value from the form, sending
1. What is a Web resource?Native servlet APIs such as Httpservletrequest,httpsession,servletcontext.2. Why do I access Web resources?b/S application of the controller must access the Web resources, for example, to the domain object read and write
An overview1. What is file upload?The process of saving a local file to a server is called a file upload.2. What is file download?broadly speaking, any process that obtains data from the server side is a file download, which is opened by the browser
Problem code: JSP:pageencoding= "UTF-8"%> insert title here User name:Password:Gender:male Female Hobbies:SleepGame Travel Your country: -----Please select----- China France UK Servlet:@WebServlet ("/requestdemo5") Public classRequestDemo5
First step: Create a new Web project named "Testspringmvc" using Eclipse, which configures the Tomcat serverStep two: Copy the jar package you are using to the Web-inf/lib directoryStep Three: Configure Dispatcherservlet in Web. xmlDispatcherservlet
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