我尝试使用字符串生成器附加第一个文件及其位置,然后附加新行第二个文件及其位置等。我该如何执行此操作?正确的语法是什么?我的下面的循环有什么问题吗?
@Override
public List<FileUpload> uploadFile(MultipartFile[] files, String windowsUsername, String number) {
List<FileUpload> uploadList = new ArrayList<FileUpload>();
for (MultipartFile file : files) {
FileUpload result = itsmFileService.uploadAttachment(file, number);
uploadList.add(result);
}
String supportCallID;
supportCallID = this.getSupportCallIDForTicketNumber(number);
int i = 0;
for (FileUpload loopLocation : uploadList){
notesSection = uploadList.get(i).getLocation();
StringBuilder sb = new StringBuilder();
sb.append(notesSection);
sb.toString();
}
}
}
最佳答案
每次运行循环时,您都会创建一个新的 StringBuilder。请尝试以下操作:
StringBuilder sb = new StringBuilder();
for (FileUpload loopLocation : uploadList){
string notesSection = uploadList.get(i).getLocation();
sb.append(notesSection);
}
sb.toString();
关于java - 在循环java中使用字符串生成器和数组,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43613000/