opencsv

问题 While writing Beans to CSV file by using OpenCSV 4.6, all the headers are changing to uppercase. Eventhough bean has @CsvBindByName annotation it is changing to uppercase. Java Bean: public class ProjectInfo implements Serializable { @CsvBindByName(column = "ProjectName",required = true) private String projectName; @CsvBindByName(column = "ProjectCode",required = true) private String projectCode; @CsvBindByName(column = "Visibility",required = true) private String visibility; //setters and

问题 While writing Beans to CSV file by using OpenCSV 4.6, all the headers are changing to uppercase. Eventhough bean has @CsvBindByName annotation it is changing to uppercase. Java Bean: public class ProjectInfo implements Serializable { @CsvBindByName(column = "ProjectName",required = true) private String projectName; @CsvBindByName(column = "ProjectCode",required = true) private String projectCode; @CsvBindByName(column = "Visibility",required = true) private String visibility; //setters and

问题 While writing Beans to CSV file by using OpenCSV 4.6, all the headers are changing to uppercase. Eventhough bean has @CsvBindByName annotation it is changing to uppercase. Java Bean: public class ProjectInfo implements Serializable { @CsvBindByName(column = "ProjectName",required = true) private String projectName; @CsvBindByName(column = "ProjectCode",required = true) private String projectCode; @CsvBindByName(column = "Visibility",required = true) private String visibility; //setters and

问题 I found that I cannot just run import com.opencsv.CSVReader; statement in my JDK framework. Edited1: I was asked to make it clearer: import com.opencsv.CSVReader; throws The import com.opencsv cannot be resolved (using VSCode) How can I add OpenCSV to my framework? This question arose from import csv to JTable Edited2: It is now clear that AdoptOpenJDK is not the issue and that the question is independent from the jdk framework and version. Thus I changed the question (and respective tags)

问题 I writing JTable data into CSV file using OpenCSV jar. Everything works fine unless it comes to read data from the table data. Whenever I am choosing the first row it works perfectly. But when I am choosing the more than one row it gives the exception which is mentioned in the title. Below is the code: DefaultTableModel tableModel = (DefaultTableModel) jTable1.getModel(); int rows = Integer.parseInt((String)jTextField8.getText()); String fileName = jTextField11.getText()+".csv"; File file =

问题 I m trying to create a zip of 100 csv. I need to write 100,000 lines in a single csv in fastest way possible. I am using openCSV, ZipEntry method to write to csv. Some Code used: ZipEntry zipentry = new ZipEntry(filename); zos.putNextEntry(entry); CSVWriter writer = new CsvWriter(new OutputStreamWriter(zos)); writer.writeNext(entries); //entries is single line of csv Currently its taking 1.5 secs to write a single csv and overall its taking around 120-140secs to create complete zip. I have

问题 I am working on spring web based application in which I facilitate the user to upload the csv files and all the content of csv file will be stored in my MySQL database. I ma using OpenCsv for reading the CSV files, I wrote a method, which I want to be universal, because right now It only written for my Model Employee , I want to be use it as Utility class. Here it is public static List<Employee> parseCSVWithHeader() throws IOException { CSVReader reader = new CSVReader(new FileReader("emps1

问题 When trying to use the IMPORTDATA function for this file: https://www.kaggle.com/stefanoleone992/fifa-20-complete-player-dataset#players_20.csv An unexpected error occurs that says it is impossible to import data into the spreadsheet. Is there any other way that I can bring this data to my spreadsheet? This data would be very important to the work I'm doing. It would save me from almost 3 months of work to be able to type and copy everything and then filtering according to my need. It would

问题 I am trying to map a bean to a CSV file with selected columns (not all columns) but the problem that my bean has other nested beans as attributes. Class Student { @CsvBindByName private String s_id; @CsvBindByName private String name; @CsvRecurse private List<Book> books; } Class Book { @CsvBindByName private String bookName; private String bookAuthor; } I want to map this object to csv file with below format s_id;name;bookName I have tried with below code but not getting bookName in csv

问题 I have a csv file. I want to extract particular column from it.For example: Say, I have csv: id1,caste1,salary,name1 63,Graham,101153.06,Abraham 103,Joseph,122451.02,Charlie 63,Webster,127965.91,Violet 76,Smith,156150.62,Eric 97,Moreno,55867.74,Mia 65,Reynolds,106918.14,Richard How can i use opencsv to read only data from header caste1? 回答1: There is no built in functionality in opencsv for reading from a column by name. The official FAQ example has the following example on how to read from a