Recently, finally a little time, the previous map point of Interest Crawler (http://blog.csdn.net/sparkexpert/article/details/51554813) perfected the next, And spent seven days crawling through all the categories of POI data covering any part of the country.
Data download is still a difficult process, but fortunately, after the adoption of new methods, there is little need for manual intervention, of course, there will be network restrictions, but ba
Tags: depend jquer complete dep problem jquery stat fault loadThe following tools are used: JQuery Ocupload Jquery.ocupload-1.1.2.js Apache POI Poi-3.9.jar If this is the MAVEN project add dependency is as follows: JQuery Ocupload: First to use one-click Upload to reference JS from the project (address above) Examples of official uploads: $ (Element). Upload ({
name: ' file ',//Upload compo
I. definition and classification of Casting
Definition of Casting:It is a method for casting liquid metal into a casting cavity suitable for the shape of the parts. After cooling and solidification, the forming method of the blank metal parts with a certain shape, size and performance is obtained.
Common casting methods include:Sand CastingAndPrecision CastingThe detailed classification method is shown in t
In addition to supporting the use of visual components to build applications WYSIWYG, it also supports the design of their own parts for the development of applications.
In this chapter, you will explain how to write parts for the Delphi application. This chapter will serve two purposes:
Teach you how to customize parts
Make your
This function description, click on the Download button on the front page, start to download the required data, as follows:Google Chrome works as follows:Open Excel as follows:The Firefox browser works as follows:First to import the POI jar package, my project uses MAVEN management, so add is relatively simple, the following codeFind the project's Pom.xml file to join in Dependency> groupId>Org.apache.poigroupId> Artifactid>PoiArtifactid> ver
Java Solution for POI export Excel memory OverflowIn our use of Java development process, we often want to export the data obtained by the query, which is generally stored in Excel, so we export the data to use the Java POI Library, which is mainly for the various Windows Platform data format operation, here, We are working on Excel.The process of generating Excel is like this, first of all, we query the da
1. First download the Poi-3.6-20091214.jar, as follows:http://download.csdn.net/detail/evangel_z/38950512.student.javaImport Java.util.Date;public class Student{private int id;private String name;private int age;Private Date birth;Public Student (){}public Student (int ID, String name, Int. age, Date birth){This.id = ID;THIS.name = name;This.age = age;This.birth = birth;}public int getId (){return ID;}public void setId (int id){This.id = ID;}Public St
When you use a POI to update Excel, if cell a sets a formula, and when the other cells it depends on are populated with values, a in the exported Excel is still a formula instead of an auto-calculated value.Paste_image.pngThe score subtotal is not updated to the calculated results.WorkaroundThis interface is provided in the POI to org.apache.poi.ss.usermodel.FormulaEvaluator enable updates to the formula. W
Reading Excel data with POI: (version number: POI3.7)
1. Read Excel
Private list
2, Excel data processing:
The Excel store date and time are stored by numeric type, when reading POI first judge whether it is a numeric type, then make a judgment transformation
1, numerical format (cell_type_numeric):
1. Pure numerical format: Getnumericcellvalue () direct access to data
2. Date format: Deal with
Yesterday, the beta version of 3.5 was already supported by the 2007 Open XML Format (DOCX,PPTX,XLSX) for POI.
Need to join Poi-ooxml-3.5-beta6-xxxx.jar. But the Poi-ooxml-3.5-beta6-xxxx.jar package requires several packages under the Ooxml-lib directory to run.
The code is as follows
Import java.util.ArrayList; Import Java.io.File; Import Java.io.FileInputStr
Http://www.cnblogs.com/hongten/p/java_poi_excel.htmlThis blog is an introduction to the POI technology in Java to read Excel data and then save it to MySQL data.You can also read and import excel in: Java's POI technology to learn how to write Excel informationUsing JXL technology, you can import excel in Java's JXL technologyProject structure:Test data in Excel:Database structure:The corresponding SQL:1 CR
npoi
Edit
Npoi is the. NET version of the POI project. Poi is an open source Java program that reads and writes Microsoft OLE2 component documents such as Excel, Word, and so on.
Chinese name
Npoi
Advantage
Traditional Operations
Excel encounters problems
Constitute
Read and write
OLE2 document
There are two ways to import Excel: JXL and POI1. JXL parsing Excelpublic class Jxlreadexcel {/*** JXL parsing Excel* @author David* @param args*/public static void Main (string[] args) {try {Create WorkbookWorkbook Workbook = Workbook.getworkbook (New File ("E:/students.xls"));Gets the first sheet of sheetSheet Sheet = workbook.getsheet (0);Get Datafor (int i = 0; i for (int j = 0; J Cell cell = Sheet.getcell (j,i);System.out.print (cell.getcontents () + "");}System.out.println ();}Workbook.clo
Directory
Overview
Function
How to use
Reference Help
OverviewThe source code consists of three items, Bmap.net, BMap.NET.WindowsForm, and BMap.NET.WinformDemo.
Bmap.net
For some packages of the Baidu map Web Service API, each interface returns a Jobject type (see Json.NET);
BMap.NET.WindowsForm (began to write less a s, and then has not changed)
Provides a series of controls that you can use in WinForm, including map display controls, naviga
POI Quick StartSeven steps required for POI development:1. Create a workbook Workbook objectWorkbook wb = new Hssfworkbook (); // It is the operation of the Excel 2003 version
2. Create a worksheet Sheet objectSheet Sheet = Wb.createsheet ();3. Create a Row objectRow Nrow = sheet.createrow (number of rows);4. Create a Cell objectCell NCell = Nrow.createcell (number of columns);5. Write content
When you read Excel content with a poi, you often encounter data formatting problems.For example: The number 12365 will change to 12365.0, the string number 123 will also become 123.0, and even be turned into a scientific notation. In addition, date formatting is also a headache. In fact, the most desirable way is what Excel is, that poi out of what is, do not engage in any conversion.After collecting vario
Console throws exception:Java.lang.IllegalStateException:Cannot get a text value from a numeric cellThe above error occurred when parsing an Excel file with POI in Java, indicating that the value of the text type cannot be obtained from a cell of a numeric type.When a POI operates Excel, the data cell has different types, and when we try to read a string from a number type cell and write to the database , c
Address: http://zhanqi.net/blog/287/
Test Environment Servlet/struts2 + poi 3.7
Supports exporting the excel2003/2007 format, and the exported file name supports Chinese characters without garbled characters.
For more details, see the code and method annotations. For more information, see the poi download operation guide.
/**
* JSP/servlet + poi export Excel
*
*@
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