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Excel 2013 Expert Part One book

Generate Excel files and Charts with PHPExcel | 77-427 Real Questions and VCE Practice Test

After my article “how to Make Microsoft be aware documents with personal home page” (the usage of Interop ability below windows), there were rather a number of comments urging a pure personal home page implementation, i.e., only using a common Hypertext Preprocessor library to manipulate workplace info.

listed here, we are able to see how to use a PHPExcel library to supply an “Export to Excel” function in an internet app in order that the consumer can export the statistics into an Excel 2007/2013 file for additional evaluation.

observe: There are just a few personal home page libraries that can supply Excel (and office) file manipulations. The lib we use right here is called PHPExcel, a subset of PHPOffice, which will also be cloned right here.

After this tutorial, we are able to get:

Let’s get all started.

to use PHPExcel, we have to have Hypertext Preprocessor version above 5.2.0. There are additionally 3 personal home page extensions to be enabled: php_zip (which is simple to function workplace 2007 codecs), php_xml and php_gd2 (non-compulsory, but required for accurate column width auto-calculation).

next, install the library via Composer.

Of route, we should still have our database up and working. The statistics dump for this tutorial (lakers.sql) has been uploaded to the repo linked to this article. The records is retrieved with an easy SQL statement: “opt for * from lakers” (total ninety records, including 8 pre-season and eighty two common season video games).

additionally, this demo makes use of Silex as the MVC framework. Twig may be used as the template engine. be certain the fundamental dependencies are appropriately certain on your composer.json file.

index.Hypertext Preprocessor may be the entry element for our Silex utility. There could be two routes defined:

Route '/' might be our entry point and monitor the information and the “Export” button. Route '/export' will do the returned conclusion handling technique that in fact exports to Excel. each services are wrapped in a person-defined classification (classExcel.php). in the rest of this article, we are able to center of attention on this file – or extra precisely, the export feature and linked capabilities defined during this file and discuss a few critical points of Excel manipulation using the PHPExcel library.

once we click the icon to launch Excel, the Excel application begins. under standard situations, it will additionally contain a workbook with three (in Excel 2013, only 1) worksheets. The worksheet is the “canvas” we play with. These are both most essential phrases in Excel. other crucial phrases may also encompass: mobile, latitude, etc.

To instantiate an Excel file, we use:

An Excel application example constantly is mapped to a physical Excel file. It has its personal meta data to describe the file that we create. The meta statistics is proven when we “Alt-Enter” an Excel file (or correct click on on that file and judge “properties”):

The houses proven within the above dialog can have corresponding setXXXX how one can set these properties, where XXXX is very nearly just like the property names listed in the dialog:

The methods (setXXXX) are reasonably self explanatory and map to the “residences” dialog somewhat smartly. There are some discrepancies in the mapping, but they are not too intricate for us to make the connection (e.g., “Authors” should be mapped to setCreator).

The worksheet is probably the thing that we’ll manipulate essentially the most: populating cells with records or formulas, applying patterns, doing information filtering, inserting a chart, and so forth.

To get the reference to a worksheet, we use:

The sheets in a workbook are at all times 0-indexed. So the first (and prior to now the most effective) sheet will be Sheet Zero. The default identify of this sheet is all the time “Worksheet” and we can alternate it with the setTitle formulation.

To populate a mobile/cells, we have at the least two alternatives:

The fromArray method takes three parameters:1. the records source, in array form;2. a “filler” value in case the facts is NULL;three. a cellphone reference to start the filling (from left to right, then as much as down).

word: once we use PDO to fetch the statistics, an easy $res = $q->fetchAll(\PDO::FETCH_ASSOC); call will force the back result records set to contain an linked array handiest, without index. If fetchall is referred to as with out the alternative PDO::FETCH_ASSOC, the result set will truly contain two units of similar information, one in associated array kind, one in indexed form and may create duplicates within the Excel file when the use of fromArray.

We might also also want to vogue the header row (identification, Season, and many others). To do this, we even have two approaches:

a method is to make use of some get easy methods to retrieve the style object that we wish to trade and alter it. We do that for the “background fill” fashion.

The other is to declare a “fashion” array and specify the styles we are looking to exchange and what to exchange them to. Then, we use applyFromArray to apply the patterns in a batch. here we changed the font and the alignment.

each methods guide range as their parameter ($header='a1:h1';), which is terribly convenient.

ultimately, we might also wish to alter the column width so that they will fit the max displayed length in each column:

sadly, this does not guide a range parameter, so we use a for loop to make this take place.

If we retailer the file now – we can talk about saving later – we can see that the XLSX file is full of the records and accurately formatted:

I at all times use a separate sheet to shop the customary statistics and at least yet another sheet to reveal the abstract and/or analytic information.

To insert a new worksheet, we do:

The addSheet formulation takes two parameters.

With the worksheet inserted, we can populate the cells in this worksheet as standard and observe patterns. in this sheet, we will use formulas:

You see, it isn't any distinct from what we have performed within the outdated area. The components string is similar to the one we are able to input in an Excel file to operate the integral calculation.

word: Please pay special consideration to the telephone reference (G2:G91). A lazy method of writing that components is to use a variety like G:G. This works excellent when there is no chart in the sheet. If there is a chart, the G:G notation will fail, throwing an exception.

This “summary” sheet looks like this:

The % proven in telephone B4 is determined by using the following code:

Please notice some styling issues here. For A1, I even have applied here trend:

The result shows that the font weight, font dimension, and alignment are correctly applied. The merging of A1 and B1 into A1 is also completed as it should be. but, the setAutoSize formula fails on this merged mobile. The outcome is that this cellphone (A1) remains squeezed. This potential auto width calculation will now not all the time work. smartly, now not a big deal, anyway.

it's always excellent to have a visual illustration of our information, so the chart will come in useful. Excel has a wealthy set of developed-in charts for us to choose between. PHPExcel can tap into almost all of those. the primary chart we are to create is a line chart displaying the USAand downs of the scores in every video game of the Lakers crew and its opponent.

making a chart is a prolonged coding job, even with the support of a library. the full code of this technique can also be present in the addChart1 and addChart2 methods that stay in our classExcel.personal home page file. i'll just explain the important thing steps.

an information collection label identifies facts sequence by giving it a name (label). In our case, if we wish to display the rankings of Lakers and their opponent, we're two labels: Self rating and Opponent ranking. Their labels can also be present in D1 and E1 respectively:

a data series Label is definitely a \PHPExcel_Chart_DataSeriesValues instance. The constructor includes 4 parameters:

This identifies the label for the X Axis. as an example, on “2013-11-15”, Lakers scored 86 and their opponent scored 89. The “2013-eleven-15” is the label for these two scores. For our case, we can use the “Date performed” column from row 2 to row 91:

The constructor is a similar, so are the parameters.

we can use “Self ranking” (column D) and “Opponent score” (column E). both are from row 2 to row 91.

After we now have the above three essential variables, we will set up the statistics collection. In Excel, an information sequence carries right here counsel fundamental to making a chart:

And the constructor is known as by means of effortlessly passing all these parameters:

subsequent, we can create the Plot area and Legend:

A plot enviornment includes a layout of the chart and the information sequence. The design can specify even if the chart shall display values, percentages, and many others. we will use NULL in order that a default layout will be used.

A legend is used to supply a visible representation of the facts agencies.

And now, ultimately, we can create the chart:

The most effective new parameter in this constructor is the identify of the chart. “chart1” will be first rate satisfactory. A title of the chart may also be created by the use of:

After the chart is created, we set its place and measurement by means of setting its exact-left and bottom correct corners’ coordinate and insert it into the worksheet.

word: lots of the time, a cellphone reference is case insensitive, but please use CAPITAL letter + number when there is a chart within the sheet.

because the final step, we shop the file so that the person can download it:

It makes use of a factory sample to create a writer object to keep the file. A format may be designated (we use “Excel2007” format in our case).

be certain that we've setIncludeCharts(true) within the saving system, otherwise the chart won’t be there.

remember after I referred to PHPExcel could tap into almost all chart varieties? One exception that this lib can’t do smartly in Excel 2013 is that it doesn't produce a usable pie chart. In our output.xlsx and our code, we now have truly created a pie chart (performed in addChart1) however when opening the output.xlsx, Excel 2013 will prompt an error. If we select proceed, the pie chart could be misplaced and only the line chart (achieved in addChart2) might be preserved. A malicious program file has already been filed into its Git repo.

Now the “information” sheet will seem like this:

and a zoom-in view of the chart. it is as it should be placed and sized:

in this article, we proven how to use pure personal home page and a pure php lib (PHPExcel) to control Excel. We created a brand new file, populated the facts, introduced in a new sheet and analytic data, inserted a chart, and finally saved the file for download.

In normal, I discovered this PHPExcel lib price making an attempt and easy to be taught. Its code insight in an IDE can aid us plenty when programming.

We have not coated different regular elements in an Excel file – we’ll write a followup article on those if the hobby is high enough. tell us!

Its authentic documentation and examples are a nice region to discover specified API usage explanations and doable code snippets for typical tasks. examine them totally. They may also be found in the cloned repo. provide this library a are trying and tell us of your personal use instances!

Taylor is a contract web and desktop software developer living in Suzhou in eastern China. started from Borland construction equipment sequence (C++Builder, Delphi), posted a book on InterBase, certified as Borland knowledgeable in 2003, he shifted to internet building with general LAMP configuration. Later he begun working with jQuery, Symfony, Bootstrap, Dart, and many others.

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