1. Design ideas
(1) Understand the characteristics and usage of combination diagrams, and select the type of diagram;
(2) Design two columns and two fold lines and display them separately.
2. Design steps
(1) Design page
Column2DLine.html:
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <title>FuionCharts 2D柱状图和折线图组合图</title> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="this is my page"> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <script type="text/javascript" src="../scripts/jquery-2.0.3.js"></script> <script type="text/javascript" src="../scripts/Charts/FusionCharts.js"></script> <script type="text/javascript"> $(function(){ var column2DLine = new FusionCharts( "../scripts/Charts/MSCombi2D.swf", "doubleAreaId", "100%", "540", "0" ); column2DLine.setXMLUrl("data/columnLine.xml"); column2DLine.render("columnLine"); }); </script> </head> <body> <p id="columnLine"></p> </body> </html>
(2) Design the data source
columnLine.xml:
<?xml version="1.0" encoding="UTF-8"?> <chart caption='2010-2013年某人年收入详细' xAxisName='月份' yAxisName='收入' showValues='0' baseFont='微软雅黑' baseFontSize='14' baseFontColor='#00FF00' outCnvBaseFont='宋体' outCnvBaseFontSize='20' outCnvBaseFontColor='#0000FF'> <categories> <category label='一月' /> <category label='二月' /> <category label='三月' /> <category label='四月' /> <category label='五月' /> <category label='六月' /> <category label='七月' /> <category label='八月' /> <category label='九月' /> <category label='十月' /> <category label='十一月' /> <category label='十二月' /> </categories> <dataset seriesName='2010'> <set value='59845' /> <set value='36562'/> <set value='15421' /> <set value='56213' /> <set value='45121' /> <set value='56232' /> <set value='56121' /> <set value='23565' /> <set value='85656' /> <set value='45421' /> <set value='23561' /> <set value='24801' /> </dataset> <dataset seriesName='2011' renderAs='Line'> <set value='56122' /> <set value='65121'/> <set value='45154' /> <set value='20120' /> <set value='95656' /> <set value='46522' /> <set value='65323' /> <set value='62311' /> <set value='95656' /> <set value='65322' /> <set value='74545' /> <set value='56231' /> </dataset> <dataset seriesName='2012'> <set value='95656' /> <set value='54132'/> <set value='45511' /> <set value='23200' /> <set value='65622' /> <set value='32600' /> <set value='54512' /> <set value='56232' /> <set value='26562' /> <set value='45421' /> <set value='52211' /> <set value='65623' /> </dataset> <dataset seriesName='2013' renderAs='Line'> <set value='56444'/> <set value='65232'/> <set value='12123'/> <set value='21222'/> <set value='78454' /> <set value='56211' /> <set value='42422' /> <set value='95655' /> <set value='45455' /> <set value='95656' /> <set value='22900' /> <set value='41512' /> </dataset> </chart>
3. Design results
The above is the content of FusionCharts 2D bar chart and line chart combination chart, more For related content, please pay attention to the PHP Chinese website (www.php.cn)!

RSS documents are XML-based structured files used to publish and subscribe to frequently updated content. Its main functions include: 1) automated content updates, 2) content aggregation, and 3) improving browsing efficiency. Through RSSfeed, users can subscribe and get the latest information from different sources in a timely manner.

The XML structure of RSS includes: 1. XML declaration and RSS version, 2. Channel (Channel), 3. Item. These parts form the basis of RSS files, allowing users to obtain and process content information by parsing XML data.

RSSfeedsuseXMLtosyndicatecontent;parsingtheminvolvesloadingXML,navigatingitsstructure,andextractingdata.Applicationsincludebuildingnewsaggregatorsandtrackingpodcastepisodes.

RSS documents work by publishing content updates through XML files, and users subscribe and receive notifications through RSS readers. 1. Content publisher creates and updates RSS documents. 2. The RSS reader regularly accesses and parses XML files. 3. Users browse and read updated content. Example of usage: Subscribe to TechCrunch's RSS feed, just copy the link to the RSS reader.

The steps to build an RSSfeed using XML are as follows: 1. Create the root element and set the version; 2. Add the channel element and its basic information; 3. Add the entry element, including the title, link and description; 4. Convert the XML structure to a string and output it. With these steps, you can create a valid RSSfeed from scratch and enhance its functionality by adding additional elements such as release date and author information.

The steps to create an RSS document are as follows: 1. Write in XML format, with the root element, including the elements. 2. Add, etc. elements to describe channel information. 3. Add elements, each representing a content entry, including,,,,,,,,,,,. 4. Optionally add and elements to enrich the content. 5. Ensure the XML format is correct, use online tools to verify, optimize performance and keep content updated.

The core role of XML in RSS is to provide a standardized and flexible data format. 1. The structure and markup language characteristics of XML make it suitable for data exchange and storage. 2. RSS uses XML to create a standardized format to facilitate content sharing. 3. The application of XML in RSS includes elements that define feed content, such as title and release date. 4. Advantages include standardization and scalability, and challenges include document verbose and strict syntax requirements. 5. Best practices include validating XML validity, keeping it simple, using CDATA, and regularly updating.

RSSfeedsareXMLdocumentsusedforcontentaggregationanddistribution.Totransformthemintoreadablecontent:1)ParsetheXMLusinglibrarieslikefeedparserinPython.2)HandledifferentRSSversionsandpotentialparsingerrors.3)Transformthedataintouser-friendlyformatsliket


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