PHP uses flashchart to generate histogram_PHP tutorial

php tutorial uses flashchart to generate histograms

In recent projects, it is necessary to generate excel-like histograms, pie charts, trend charts, etc. . .

After searching on google, I found the Open Flash Chart address: http://teethgrinder.co.uk/open-flash-chart-2/.

A very easy-to-use open source tool. The latest version is 2.0

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http://ofcgwt. googlecode.com/svn/demo/Demo.html There are many examples here for reference.

However, it is not recommended to use this sample code on googlecode. It is recommended to use the official sample code and flash chart.

The use of flash chart is very simple.

The following example:

//url form
function embSwfWithUrl(dataurl,divcon){
var params = {
"wmode": "transparent",
"menu": "false",
"scale": "noScale",
"allowFullscreen": "false",
"allowScriptAccess": "always",
"bgcolor": " #c0c0c0" //Background
};
var flashvars = {
'data-file' : dataurl
};
swfobject.embedSWF("/swf/open-flash-chart. swf?timestamp=" + Math.random(),divcon, "450", "300", "10.0.0", "./swf/expressInstall.swf" ,flashvars,params);
}

embSwfWithUrl('http://xxx.com/xxx.html','swfCon'); http://xxx.com/xxx.html here returns the corresponding json format data.

swfCon is a div container for flash.

swfobject is an open source js class for processing flash. http://code.google.com/p/swfobject/

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Note that there are two ways to obtain data for flash charts,

One is data-file and the other is get-data

data-file is just the example above, the value must be It is a url address, which returns json data.

The value of get-data is a function name. The function returns json data.

The following example:

//get-data
function embSwfWithData(divcon,getdataFn){
var params = {
"wmode": "transparent", / /Window mode
"menu": "false", //Menu display
"scale": "noScale", //Scale
"allowFullscreen": "false", //Allow full screen
"allowScriptAccess": "always", //Allow script
"bgcolor": "#c0c0c0" //Background
};
var flashVar = {
"get-data":getdataFn
};
swfobject.embedSWF("/swf/open-flash-chart.swf?timestamp=" + Math.random(), divcon, "450", "300", "10", "/swf/ expressInstall.swf",flashVar ,params);
}

function getJsonData(){
return 'json data';
}here "get-data":getdataFn

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