你能改写这个问题?因为我不理解它。什么是插入点? 我写了关于iText的书,我可以做任何我想用ColumnText做的事情,所以澄清你想要的内容可能对你有兴趣。
这个问题仍然不清楚,但图片上说了千言万语。我以4列5篇文章为例:
import java.io.FileOutputStream;
import java.io.IOException;
import com.itextpdf.text.Document;
import com.itextpdf.text.DocumentException;
import com.itextpdf.text.PageSize;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.pdf.ColumnText;
import com.itextpdf.text.pdf.PdfWriter;
public class ColumnTextExample {
/** Definition of four columns */
public static final float[][] COLUMNS = {
{ 36, 36, 224, 579 } , { 230, 36, 418, 579 },
{ 424, 36, 612, 579 } , { 618, 36, 806, 579 }
};
public static final String ARTICLE1 = "Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.";
public static final String ARTICLE2 = ARTICLE1 + " " + ARTICLE1 + " " + ARTICLE1;
public static final String ARTICLE3 = ARTICLE1 + " " + ARTICLE1;
public static final String[] ARTICLES = { "HEADER 1\n" + ARTICLE1, "HEADER 2\n" + ARTICLE2, "HEADER 3\n" + ARTICLE3, "HEADER 4\n" + ARTICLE1, "HEADER 5\n" + ARTICLE3 };
public static void main(String[] args) throws IOException, DocumentException {
// step 1
Document document = new Document(PageSize.A4.rotate());
// step 2
PdfWriter writer = PdfWriter.getInstance(document, new FileOutputStream("columns.pdf"));
// step 3
document.open();
// step 4
ColumnText ct = new ColumnText(writer.getDirectContent());
int column = 0;
ct.setSimpleColumn(
COLUMNS[column][0], COLUMNS[column][1],
COLUMNS[column][2], COLUMNS[column][3]);
int status = ColumnText.START_COLUMN;
for (String article : ARTICLES) {
ct.addElement(new Paragraph(article));
status = ct.go();
while (ColumnText.hasMoreText(status)) {
column = nextColumn(document, column, ct);
status = ct.go();
}
column = nextColumn(document, column, ct);
}
// step 5
document.close();
}
public static int nextColumn(Document document, int column, ColumnText ct) {
column = (column + 1) % 4;
if (column == 0)
document.newPage();
ct.setSimpleColumn(
COLUMNS[column][0], COLUMNS[column][1],
COLUMNS[column][2], COLUMNS[column][3]);
return column;
}
}
第一篇文章适合第一栏,留下半栏打开。我们跳到第二篇文章的下一列。这不适合第二列:它需要一列半。第三篇文章适合第四篇文章,但我们需要跳到第四篇文章的下一页,等等......
看到的图片,你会看到什么,我希望它 http://imgur.com/KkLln – burjulius
感谢的答案,但不是我所需要的。我已经重申了这个问题,我希望现在你能理解我想要的东西。 – burjulius
1.您正在使用MultiColumnText。我甚至不知道它仍在发布。我将在下一个版本中删除它。请不要使用它! –