Using string builder to place XML in single csv/xls column not working

问题

I am having an issue with an XML response and formatting it into CSV which can then later be opened as an XLS and see the entire response into a single cell. I know.. its not how I would do it either, but they get what they ask for.

So far I have tried to use a string builder. This has been successful in formatting the response into a single line string, I have tested this by writing it to a text file and copying it to Eclipse.. when I place single quotes around the XML it turns to a string.

When trying to take this same response in its single line format and stick it into a csv file.. the csv file is breaking on comma's in the XML string and placing the response across several dozen cells.

    BufferedReader br = new BufferedReader(new FileReader(new File('responseXml.txt')));
    String l;
    StringBuilder sb = new StringBuilder();


    while((l=br.readLine())!= null){sb.append(l.trim());
    File respfile = new File("outresp.txt")
    respfile.append(l)
    println respfile.text
//verified single line string  
    respContents = new File("outresp.txt").text  
                    }

    File file = new File('outXML.csv')
    file.append(respContents)
    println file.text   

// open csv still broke across many lines

What I would like is a single xml string into a single xls cell.

回答1:

to fit value into single column in csv (excel) you have two choices:

remove all new lines (\r\n) and comas (,)
replace each doublequote (") with two ones ("") and wrap whole value with doublequotes.

the second variant allows you to keep the original (multiline) string format in one excel cell.

here is the code for second variant:

//assume you have whole xml in responseXml variable
def responseXml = '''<?xml version="1.0"?>
<aaa text="hey, you">
    <hello name="world"/>
</aaa>
'''

//take xml string in double quotes and escape all doublequotes
responseXml = '"'+ responseXml.replaceAll(/"/,'""') + '"' 

def csv = new File('/11/1.csv')
csv.setText("col1,col2,xml\nfoo,bar") // emulate some existing file
csv.append(",${responseXml}\n")

as a result:

来源：https://stackoverflow.com/questions/58280694/using-string-builder-to-place-xml-in-single-csv-xls-column-not-working

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java

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