csv

问题 I have some strings that represent lines in a CSV: String headers = "Date,Color,Model,Price"; String line1 = "12-03-2012,Red,Toyota,13500"; I want to return a bytestream that would correspond to the corresponding csv file. I've seen how to convert csv files to strings (using InputStream and BufferedReader ), but not the reverse operation. Any help would be appreciated! 回答1: You can use String.getBytes(Charset) method for this purpose: String str = "Lorem ipsum"; byte[] arr = str.getBytes

问题 I have some strings that represent lines in a CSV: String headers = "Date,Color,Model,Price"; String line1 = "12-03-2012,Red,Toyota,13500"; I want to return a bytestream that would correspond to the corresponding csv file. I've seen how to convert csv files to strings (using InputStream and BufferedReader ), but not the reverse operation. Any help would be appreciated! 回答1: You can use String.getBytes(Charset) method for this purpose: String str = "Lorem ipsum"; byte[] arr = str.getBytes

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 This question already has answers here : How to append new data onto a new line (9 answers) Closed 4 years ago . I want to append to a new row in my CSV file when i write to it. Current CSV file look like this: a,b,c 1,1,1 my code to append to CSV file: with open('mycsvfile.csv','a') as f: writer=csv.writer(f) writer.writerow(['0','0','0']) new mycsvfile: a,b,c 1,1,1,0,0,0 What i want: a,b,c 1,1,1 0,0,0 回答1: With some tinkering I realized you can add the following line to make sure you begin

问题 As shown in the picture " Before " below, each column separated by comma is not aligned neatedly. Is there any method to align each column vertically like the display effect in Excel? The effect I wish is shown in the picture " After ". Thanks to @Martin S , I can align the file like the picture " Method_1 ". As he has mentioned, some characters still cannot align well. I was wondering if this method could be improved? 回答1: You can use the TextFX plugin: Edit > Line Up multiple lines by ...