opencsv

问题 The goal of my code is to ask for a user input, the user specifies this input and my code is to search and find out which row the user input is located. Once located, I will then have code to extract that row into something (string array?) so I can then edit part of it's contents. My problem is that I'm not sure which code/methods/classes to use in order to do this. I have my code set up right now so that it reads the .CSV file and outputs it into a String array of type list. I then iterate

问题 I want to store 8 integers into a .csv file(the filename will be taken as an input from a EditText) and retrieve them when I want to. 回答1: To get the filename you can use this: EditText fileNameEdit= (EditText) getActivity().findViewById(R.id.fileName); String fileName = fileNameEdit.getText().toString(); Then write the file on disk: try { String content = "Separe here integers by semi-colon"; File file = new File(fileName +".csv"); // if file doesnt exists, then create it if (!file.exists())

问题 Orgnization{ private String name; private String uniqueId; private boolean selfRegEnabled; private List<Address> addrList; public void setAddress(Address a){..} public void setName(String name){..} } Addess{ private String type; private String line1; private String line2; private String line3; private String city; private String state; private String zip; private String country; } CSV Header Columns are as below System.UniqueID,Name,EnableSelf-Registration,Addr1.Type,Addr1.Line1,Addr1.Line2

问题 I have a requirement where i need to wrap all elements with quote character. I am using CSVWriter to writer the lines CSVWriter writer = new CSVWriter(new FileWriter(rptFileName),`CSVWriter.DEFAULT_SEPARATOR, CSVWriter.DEFAULT_QUOTE_CHARACTER); When an element is a empty string then it wraps the quote and if it is null then it does not ad the quote character. so mu output become like this. "ABC",,"","DEF" which i want like "ABC","","","DEF" Here 2nd element is null and 3rd element is empty

问题 I would like to process data in Hadoop Mapreduce, I am having data below format with unstructured, multiple line and un-terminated quotations. 2/1/2013 5:16,Edward Felton,2,8/1/2012 3:57,Working on all the digital elements for our big event in Sydney in a couple of weeks... for more visit http://www.xy.com/au/geworks/,324005862,2,18200695 12/28/2012 19:28,Laura McCullum,2,7/26/2012 18:03,"The Day You Give Them Jive <br> <a href="http://youtu.be/qfq9LVD2Qr4" > http://youtu.be/qfq9LVD2Qr4 <br>

问题 I am trying to read from one CSV file using OpenCSV. I then want to copy all the data from the input csv and output it to another csv file while adding a new column with information. public void run_streets_tsv( String tsvIn, String tsvOut) throws Exception { CSVReader reader = null; CSVWriter writer = null; try { reader = new CSVReader((new FileReader(tsvIn))); writer = new CSVWriter(new FileWriter(tsvOut), '\t'); String element [] = null; List<String[]> a = new ArrayList<String[]>(); while(

问题 I am trying to execute an SQL statement through Java and write the results to a .csv file. I am using OJDBC.jar (v7) to connect to Oracle 11g DB and OPENCSV.jar (v3.8) for creating and writing into the excel. Table result is printing very well. I am using pipe to separate all the column values in a record. However, on the generated csv file, i see only the column names of the table and no data at all! What might be the reason? Please help. package test; import java.io.FileWriter; import java

问题 I have following csv file, "id","Description","vale" 1,New"Account","val1" I am unable to read the above csv file with opencsv jar. It cannot read New"Account , since the double quotes inside data. My csv reader constructor is following, csvReader = new CSVReader(new FileReader(currentFile), ',', '\"', '\0'); 回答1: That is as designed. Your constructor specifies a quote character as "\"" so OpenCSV will treat that character as a quote character, i.e. when it reads a quote it will ignore all

问题 I'm using openCsv library cause it's very easy to use and I got all necessary functional. But now I need to use some custom logic except checking for correct types, columns and other usual things. I have a csv with columns firstName , secondName , firstSalary , lastSalary and others. I want to check that firstDayOfWork is less than lastDayOfWork in the process of parcing and add a new csvException if it is false. So, if now I'm parcing file firstName,secondName,firstSalary,lastSalary John,

问题 I am trying to map a bean to a CSV file but the problem that my bean has other nested beans as attributes. What happens is that OpenCSV goes through the attributes finds a bean then goes into it and maps all the data inside of that bean and if it finds another bean it goes on and on. How can I deal withe nested beans using OpenCSV? How can I ensure that it maps the correct attributes from the nested beans? 回答1: In OpenCSV 5.0, we can map nested bean by @CsvRecurse annotation without using