how to read csv file in java

problem occurs in the judgment condition of the while loop. Ready () is the decision to stop the input stream and not necessarily the end of the file. The conclusion of the file should be the following statement: The code is as follows Copy Code (line = Br.readline ())!= null So that you can finish reading the original file

# 1.34BUnited States # Washington D.C. # 0.31B 3. Use other separator numbers and skip some rows. For more information, see here: Click to open the link. CSVReader reader = new CSVReader (new FileReader (file ),';')CSVReader reader = new CSVReader (new FileReader (file ),'#') Skip the first five rows, starting from the first 6th rows: CSVReader reader = new CSVReader(new FileReader(

Java opencsv-use Spring's PostConstruct mechanism to read the CSV configuration file to the memory map at project startup A. studentconfig.csv file: ID, NAME, SCORE1, Zhang San, 1002, Li Si, 903, Zhao Wu, 604, Wang Liu, 55 Ii. StudentConfigBean.

Recently used to read the CSV file, the following is the source, read the CSV file, converted to a string type of the list object, which was processed at noon, otherwise garbled, FilePath is the path of the

Package cn.howso.deeplan.son.feeder.util; Import Java.io.BufferedReader; Import Java.io.BufferedWriter; Import Java.io.File; Import java.io.FileNotFoundException; Import Java.io.FileReader; Import Java.io.FileWriter; Import java.io.IOException; Import Java.util.Date; Import Com.csvreader.CsvReader; Import Com.csvreader.CsvWriter; public class Readandwritecsv { public static void Main (string[] args) throws IOException { Date DateStart =new date (); System.out.println (datestart+ "Hu Jintao");

Tag: coded head close resolves ACS har write DMI ImportFirst, be prepared to download a Javacsv.jar rack packagepublic void Readecsv () {try { ArrayListString cell = csvlist.get (row) [0]; You can specify the fetch content by obtaining the data in column No. 0 of Row row System.out.println("姓名："+cell) } }catch(Exception ex){ System.out.println(ex); } }/** Writing to a

Download the CSV file in PHP code, can be a string, or a CSV file, the following directly on the codeThe first paragraph is read file, download. The second paragraph is a string download. The code is as follows: csv"; Head

The first paragraph is read file, download.The second paragraph is a string download. Copy Code code as follows: $fileName = "Prefs.csv"; Header (' Content-type:application/octet-stream '); Header (' Content-disposition:attachment filename= '. $fileName); Header (' content-transfer-encoding:binary '); Header (' Content-length: ' FileSize ($fileName)); ReadFile ($fileName); Copy C

Copy Code code as follows: Import Java.io.File; Import java.io.IOException; Import java.util.List; Import Com.google.common.base.Charsets;Import Com.google.common.base.Joiner;Import com.google.common.base.Preconditions;Import com.google.common.collect.Lists;Import Com.google.common.io.Files;Import com.google.common.primitives.Bytes; public class Fooutilscsvhelper { CSV ' s default delemiter is ', 'Private final static String Default_del

This note will be the operation of the previous note to make some improvements, no longer the HTM file in the Saz file parsing out, but not to read the data directly into the string, the basic idea is as follows:1. Customize a class that reads content from a text file to a string: Parses an HTM document in a saz

/** * Read Parse CSV file, will read the result output of the console, and encapsulated into 4 teacher objects. * 1, Clay Turtle, 13101015338, Haidian District 2, Mimi, 13201015338, Chaoyang District, Beijing 3, Kokura, 13601015818, Beijing Xuanwu District 4, Rice Island Love, 13201025818, Chaoyang District, Beijing/**

To read a CSV file in this way: All the data is taken out at once, the first line of the file is the title, the second row is to take the data, how to take? Also read the non-English characters displayed as garbled, how to deal with it? Reply content: To

contains a comma character, which must be enclosed in double quotation marks. (The 6 ) field contains a newline character, which must be enclosed in double quotation marks. (7 ) contains spaces before and after the field, which must be enclosed in double quotation marks. (a b C ==> "a b C" ) (8 ) The double quotation marks in the field, expressed in two double quotation marks. (I said: "abc" .) ==> I said: abc. ) (9 ) if there are double quotes in the field, the field must be enclosed in

generic encoding.In short, the comma is separated by a double quotation mark is the value of the data format does not have a very uniform standard but in order to avoid the error we developed the uniform format is this"Name", "pwd", "date""Zhang San", "123", "2015-09-30"And then the default format for code processing is that it's actually the form of plain text.Why use a CSV fileThis involves data interoperability issues, some programs support the ta