java web page tutorial

(request): #获取前端post过来的用户名和密码 name = request.POST.get(‘name‘,None) password = request.POST.get(‘password‘,None) #把用户和密码组装成字典 data = {‘name‘:name,‘password‘:password} list.append(data) return render(request,‘index.html‘,{‘form‘:list})#通过render模块把index.html这个文件返回到前端，并且返回给了前端一个变量form，在写html时可以调用这个form来展示list里的内容Running the server again through the browser will have the effect of presenting the data in real time.Here we have completed a simple

scrolls down. The image disappears when the page scrolls over the location of the image. We can background-attachment prevent this scrolling by attributes. With this property, you can declare that the image is fixed in relation to the visible area (fixed) and therefore not affected by scrolling:Body { background-image: url ("Python.png"); background-repeat: no-repeat; background-attachment:fixed;}Prevent Background Map Scrolling I believe eve

Program | Web page 1. Prepare source files Select the photos to be placed on the Web page, scan the image files with scanners, and then use Photoshop and other image processing software to deal with images of the size of 300x300 pixels, Finally save or use the image viewing software such as Acesee to convert to. jpg f

ASP web page creation tutorial. Edited by Wang Guorong, People's Post and Telecommunications Publishing House.To open an MDB Database, define an OpenMDB subprogram and call it in the main program.Option ExplicitSub OpenMDB (dbname, pwd, conn)'Dbname-relative path of the database file, pwd-password of the database file, and conn-user-defined Connection obj

Web Authoring WEBJX Article Description: Using the new CSS3 "RGBA" declaration not only allows us to set the RGB color as usual, but also to set its transparency. Using the new CSS3 "RGBA" declaration not only allows us to set the RGB color as usual, but also to set its transparency. Using the new CSS3 "RGBA" declaration not only allows us to set the RGB color as usual, but also to set its transparency.Using the new CSS3 "RGBA" declaration not only a

Asp web page creation tutorial. Edited by Wang guorong, people's post and telecommunications Publishing House. To open an mdb database, define an openmdb subprogram and call it in the main program.Option explicitSub openmdb (dbname, PWD, Conn)'Dbname-relative path of the database file, PWD-password of the database file, And Conn-user-defined connection o

?? There are a lot of open source components in Java to support a variety of ways to crawl Web pages, it is only easy to use Java to crawl Web pages. The main web crawling technology: HttpClientHttpClient is a sub-project under Apache Jakarta Common that can be used to

Javascript: use javascript to implement a cool "Web page Clock". Javascript tutorial You only need to insert the following JavaScript code into the html area of your page!

Modify the SSID and passwd, the program burned to 8266, waiting for the serial port to return the successful connection message, after the successful connection can see the return of an IP address, using the browser azimuth this IP address can see this message:After connecting the router, return the IP address 192.168.1.104The phone is connected to the same router, enter 192.168.1.104, get (for, the IP address can be replaced)This is the string returned to the browser in Handlemain.You can then

Only for novice reference study, we welcome you to propose more ways to achieve. The above is the HTML and CSS to do Web Instance Tutorial: Page List interlaced content, more related articles please pay attention to topic.alibabacloud.com (www.php.cn)! 

Tutorials | Getting Started | Web page 　　Various input types 1. text input columns : Each form will have a different type, because the type= "form type" setting is different, let's take a look at the first type: text input columns. The type of the text input column is type= "text", which is used as follows: Raw code Name: Show results Name: I

MAVEN dependencies are as follows: The last thing to pay special attention to is about the signature, signature generation MD5 Class I am from the micro-letter website directly download the Java version of the demo program to get, suggest you also, because this is to ensure that MD5 signature is the best choice for the same. The specific generation of signature algorithm can be viewed in the micro-credit Official document, here also str

Common page debugging methods for java web entry-level development, javaweb Here we will introduce the common code adjustment methods in Java web entry-level development (for reference only ); Tool: chrome (the higher the version, the better );

Java Call Phantomjs Collection Ajax loading generated Web page a few days ago, when I put all the corresponding pages of the link to the hand, ready to start according to the link to collect (write crawler crawl) corresponding to the terminal page, found that the data obtained by the program has no corresponding conten

We used a servlet to generate a Web page, but we can see that using a servlet to generate a Web page must embed the contents of the Web page into the Java code, not very convenient.So i

processed. Help Users process submitted content and prevent XSS attacks Output clean html Basically, jsoup can help you deal with various HTML problems, verify invalid tags, and create a clean DOM tree.Implement a capture function Here we will implement a simple crawling function. You only need to specify the URL and the specific elements you need to capture, such as ID or class. In the background, we will use jsoup to capture the results, and the foreground will use jquery to beautify the r

format conversion, to obtain the data we need. This is a schematic, I hope you understand Understand the basic process, down, I take a case to achieve how to extract the data we need, for the data extraction can be used to extract the regular expression, can also be extracted with httpclient+jsoup, here, for the moment do not explain Httpclient+jsou extraction of web page data practices, In the future, th

Tags: java myeclipse JSP Web site database configuration MySQLThe first two articles describe how to configure MyEclipse and Tomcat to develop JSP Web sites, how to configure the servlet simple implementation form submission, this article mainly describes the configuration of MySQL implementation database connection MyEclipse, Finally, the data in the query tabl

During some projects that require web page capturing, garbled code is frequently encountered. The most convenient way is to go to the website to be crawled to see what encoding is, and then use the correct encoding for decoding. However, it is not always a matter of page-by-page judgment, especially when you need to ca

JSP page, itself the server will also translate the page into a servlet page, so the request for the page is likely to be wrong, there will be a page similar to the followingThis is not friendly to the customer.1. JSP page You can