guest-security-check-system/snowy-common/src/main/java/vip/xiaonuo/common/util/CommonPdfUtil.java

package vip.xiaonuo.common.util;


import com.itextpdf.text.*;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
public class CommonPdfUtil {

    /** 标准字体 */
    public static Font NORMALFONT;
    /** 加粗字体 */
    public static Font BOLDFONT;

    /** 固定高 */
    public static float fixedHeight = 27f;
    /** 间距 */
    public static int spacing = 5;

    /**
     * 设置中文格式防止乱码
     */
    static {
        try {
            BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
            NORMALFONT = new Font(bfChinese, 10, Font.NORMAL);
            BOLDFONT = new Font(bfChinese, 14, Font.BOLD);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    /**
     *
     * @return
     */
    public static Document createDocument() {
        //生成pdf
        Document document = new Document();
        // 页面大小
        Rectangle rectangle = new Rectangle(PageSize.A4);
        // 页面背景颜色
        rectangle.setBackgroundColor(BaseColor.WHITE);
        document.setPageSize(rectangle);
        // 页边距 左，右，上，下
        document.setMargins(20, 20, 20, 20);
        return document;
    }
    /**
     * @param len 表格列数
     * @return
     */
    public static PdfPTable createPdfPTable(int len) {
        PdfPTable pdfPTable = new PdfPTable(len);
        pdfPTable.setSpacingBefore(5);
        pdfPTable.setHorizontalAlignment(Element.ALIGN_CENTER);
        return pdfPTable;
    }

    /**
     * 创建指定文字得单元格
     * @param text
     * @return
     */
    public static PdfPCell createCenterPdfPCell(String text, int rowSpan, int colSpan, Font font) {
        PdfPCell cell = new PdfPCell(new Paragraph(text, font));
        cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
        //默认文字居中显示
        cell.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell.setFixedHeight(fixedHeight);
        cell.setRowspan(rowSpan);
        cell.setColspan(colSpan);
        return cell;
    }
    /**
     * @param text 段落内容
     * @return
     */
    public static Paragraph createParagraph(String text, Font font) {
        Paragraph elements = new Paragraph(text, font != null ? font :createFont(10, Font.NORMAL,BaseColor.BLACK) );
        elements.setSpacingBefore(5);
        elements.setSpacingAfter(5);
        elements.setSpacingAfter(spacing);
        return elements;
    }


    public static Font createFont(int fontSize, int fontStyle, BaseColor fontColor) {
        //中文字体 ----不然中文会乱码
        BaseFont bf = null;
        try {
            bf = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", BaseFont.NOT_EMBEDDED);
            return new Font(bf, fontSize, fontStyle, fontColor);
        } catch (Exception e) {
            e.printStackTrace();
        }
        return new Font(bf, Font.DEFAULTSIZE, Font.NORMAL, BaseColor.BLACK);
    }
}