read excel in r

Copy Code code as follows: /* *author Zhy *date 2012 06 12 *for Excel */ Date_default_timezone_set ("PRC"); Error_reporting (E_all); error_reporting (0); Ini_set (' display_errors ', TRUE); Ini_set (' display_startup_errors ', TRUE); Define (' EOL ', (Php_sapi = = ' cli ')? Php_eol: ' Require_once ('.. /classes/phpexcel.php ');Require_once ("config.php");Require_once ("mysql.class.php"); Generate purchase reports based on time$time

Related articles: On Excel Development (1) Overview of Excel Development On Excel Development (II.) Excel menu system On the development of Excel (III.) Excel object model I spent three articles on the UDF functions in

Excel services is a new server technology in moss2007. It is built on ASP. NET and Microsoft Windows SharePoint Services 3.0 technologies. After reading the name, you can see that, ExcelServices is not a separate thing (in the plural form :). In fact, it consists of three components: 1. Excel Web Access 2. Excel Web Services 3.

Data center management system-link between vb and excel 2, data center management system excel Since the documents I was looking for made me think that creating a table is a huge misunderstanding, I directly created a table in the folder of the student management system, open the table directly during running. However, there are still many misunderstandings. Later, I saw Zhou Kun's blog and felt that he was

NPOI generates and downloads excel files, and NPOI generates and downloads excel files NPIO file: http://npoi.codeplex.com/ Directly reference the file to the project ,,,,, Although there are a lot of online materials, you may not be able to find the functions you want. Today, I am idle, so I just sorted out a simple example and hope I can use them in future projects, you don't need to search for the code o

An error is reported when Excel is inserted into big data, and an excel report is reported when data is inserted. Problems found: When I recently run the program, I found a problem, that is, when I export the excel file, I reported an error. Static void Main (string [] args) {IWorkbook wk = new HSSFWorkbook (); ISheet sheet = wk. createSheet ("StudentK"); IShee

. NET excel export method,. net excel Export // ExportPrivate string outFileName = ""; Private string fullFilename = "";Private Workbook book = null;Private Worksheet sheet = null; Private void AddHeader (string [] dt){Cell cell = null; Int col = 0;Foreach (string item in dt){Cell = sheet. Cells [0, col];Cell. PutValue (item );Col ++;} } Private void AddBody (DataTable dt, params int [] cl){Int cls = 0;For

CSharp operation Excel uses open source native. NET assembly Netoffice, which is better in format compatibility.Sometimes you need to merge cells when working with ExcelusingExceloffice =Netoffice.excelapi;usingOfficeapi =Netoffice.officeapi;//apply for a variable Privateexceloffice.application Excelapp;//in a method, define the followingExcelapp =Newexceloffice.application () {DisplayAlerts=false, EnableEvents=false };//Add a new workbookE

Private Static Stream exportdatatabletoexcel (datatable sourcetable, String Sheetname) {hssfworkbook workbook = New Hssfworkbook (); memorystream MS = New Memorystream (); isheet Sheet = Workbook. createsheet (sheetname); irow headerrow = Sheet. createrow ( 0 ); // Handling header. Foreach (Datacolumn Column In Sourcetable. columns) headerrow. createcell (column. ordinal). setcellvalue (column. columnname ); // Handling Value. Int Rowindex = 1 ; Foreach (Dat

In the actual operation and application of Excel, there are many handy skills knowledge, if you can master each one, the work will be greatly improved ...First, quickly fill the discontinuous cells.Method:1. Select the target cell (including the filled cell).2. Shortcut key Ctrl+g Open the Position dialog box-position condition-null value-OK.3, enter the formula: =A2 (A2 positioning method, the upper left corner of the empty cell of the previous row o

Excel application skills: Ctrl + Shift combination usage, excel application skills Today, xyz introduced the Excel application skills! At work, we often encounter the need to select or clear a part of the data in the table. I believe that many newcomers in the workplace use the mouse to drag the selection, in fact, you can use Ctrl + Shift + key combination to

There's a stupid little buddy who's been messing with Excel lately.She added a new set of checkboxes and wanted to filter if anyone had a choice. Writing code is not, what to do.1.First, add this checkbox.2.Then create a new column and put the checkbox in the line you want.3.Then, under design mode, right click on the checkbox and select Properties4.The Properties property box appears on the right5.Fill in this grid name in Linkcell.6.The Linkcell pro

Load Phpexcel class Require './phpexcel/phpexcel.php '; Create an instance of an Excel object $objPHPExcel = new Phpexcel (); Set document basic Properties $objProps = $objPHPExcel->getproperties (); $objProps->setcreator ("Lao Mao"); $objProps->setlastmodifiedby ("Lao Mao"); $objProps->settitle ("Office XLS Test Document"); $objProps->setsubject ("Office XLS Test Document, Demo"); $objProps->setdescri

Before doing Excel export, I will first write the file on the server, and then download it, and later found that the original can directly write the file in the output stream inside.Here is a small demo:Package Com.huaqin.fcstrp.util;import Java.io.ioexception;import Java.io.outputstream;import Java.io.unsupportedencodingexception;import Java.net.urlencoder;import Javax.servlet.http.HttpServletResponse; Import Org.apache.poi.hssf.usermodel.hssfworkboo

JSP: How to export an Excel file. jsp: How to export an excel file This document describes how to export an Excel File Using JSP. We will share this with you for your reference. The details are as follows: I hope this article will help you with JSP program design.

Tool -------- custom ---------------- (toolbar (B ),Command (c), Option (o )) Select the command tab and select a tool in it. There is a camera here] ThenDragJust go to the toolbar. Camera description. The camera is in an area. Therefore, after selecting an area, click the camera button and click some in a blank area. (Note: If you do not select a photo area, when the cursor is on an image, the camera is empty and cannot be used. Therefore, you must select a area)

foreach(DataRow rowinchmyrow) {sb. Append (""); for(i =0; I ) { if(i = = (CL-1) ) {sb. Append (""+ Row[i]. ToString () +""); } Else { //Ls_item + = dt. Columns[i]. Columnname.tostring () + "\ T";Sb. Append (""+ Row[i]. ToString () +""); }}} sb. Append (""); System.Web.HttpContext.Current.Response.Clear (); System.Web.HttpContext.Current.Response.Charset="GB2312"; //System.Web.HttpContext.Current.Response.C

Share a simple Excel-exported class library, excel class library Features: Let's talk about the whole design, 1. First, there is an IExcelExporter interface. The first is as follows: 1 public interface IExcelExporter2 {3 Task BuildSheetsAsync(4 Stream stream, IEnumerable 2. Then there is an abstract class, ExcelExporterBase Abstract classes encapsulate algorithms for creating header

Yii installation and use of Excel extensions, yii installation of excel extensions This document describes how to install Yii and use Excel extension. We will share this with you for your reference. The details are as follows: 1. Download EExcelBehavior to the Project Extension directory. 2. Download phpexcl to the extension directory 3. Controller call: /*** E

Php uploads an excel file and obtains data. php uploads an excel file. This is a feature that needs to be done recently. I have read a lot of related articles on the Internet, which is basically the same. I will sort it out here. I. First, the html section 2: It is to receive and process uploaded files. Php Section // File storage path $ save_path = "/upload/"; // file storage folder $ save_files = $ this-