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java生成csv文件,java实现csv文件下载

张世龙 05-12 12:02 100次浏览
打包ollie 1; import java.nio.charset.Charset; import java.util.ArrayList; import java.util.List; import com.csvreader.CsvReader; import edu.know it all.ollie.ollie extraction; import edu.know it all.ollie.ollieextractioninstance; import ollie1.java_ollie; 公共类测试{//要写入的csv文件路径publicstaticfinalstringwrite _ CSV _ file _ path='/home/Peng Lin /文档/高级publicstaticvoidreadcsvfile (stringreadcsvfilepath )//缓存读取数据liststring content=new ArrayList ) ); 创建try//CSVreader对象并说明参数(导入的文件路径、分隔符和编码格式) CSV reader=newcsvreader (readcsvfilepath,',',chech //跳过标题csvReader.readHeaders (; 创建file对象Java.io.file file=new Java.io.file (' test1.CSV ' ); 创建output对象并将其写入文件内部的Java.io.printwriter output=new Java.io.printwriter (file ); //标题以外的内容while(CSVreader.readrecord () )/(string line=CSV reader.getrawrecord ) ) ); stringitem[]=line.split (),); //initialize Java _ ollieolliewrapper=new Java _ ollie (; //extractfromasinglesentence.iterableollieextractioninstanceextrs=ollie wrapper.extract (item [0] ); //printtheextractions.for (ollieextractioninstanceinst : extrs (ollieextractionextr=inst.extr ); system.out.println (extr.arg1(.text ) ) (\t' extr.rel ).text ) ) (\t' extr.arg2).text ) ) } output.close (; 内容. add (CSV reader.get values () ); csvReader.close (; /*for(introw=0; row content.size (; 读取第row ()//row行,第0列中的数据stringordernum=content.get(row ) ); system.out.println ('==ordernum : ' ordernum ); }*/}catch(exceptione ) { e.printStackTrace ); } publicstaticvoidmain (字符串[ ] args ) readcsvfile ) write_CSV_file_path ); }
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