pdf 導出

導出頁面表格和echart報表圖
1.PDFUtil.java

package com.mysteel.income.util;

import java.awt.Color;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.Set;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import com.lowagie.text.Cell;
import com.lowagie.text.Document;
import com.lowagie.text.DocumentException;
import com.lowagie.text.Element;
import com.lowagie.text.Font;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.Image;
import com.lowagie.text.PageSize;
import com.lowagie.text.Paragraph;
import com.lowagie.text.Phrase;
import com.lowagie.text.Table;
import com.lowagie.text.pdf.BaseFont;
import com.lowagie.text.pdf.PdfWriter;
import com.lowagie.text.pdf.codec.Base64;
import com.mysteel.income.consts.WebConst;

public class PDFUtil {
    
    public static void createPdfImg(String imgUrl,String title,String year){
        if(imgUrl == null)
            return;
        try {
            String[] url = imgUrl.split(",");
            imgUrl = url[1];
            byte[] buffer = Base64.decode(imgUrl);
            //生成圖片
            // OutputStream out = new FileOutputStream(new File(request.getRealPath("pic/"+fileName+".jpg")));
            OutputStream out = new FileOutputStream(WebConst.PDF_IMAGE_PATH);
            out.write(buffer);
            out.flush();
            out.close();
        } catch (Exception e) {
            e.printStackTrace();
        }    
        return;
    }
    
    public static void createPdfTable(String json,String title,String paramYear) throws Exception {
        
        String pdfTitle = getFileName(title, paramYear);
        

        //建立一個文檔對象紙張大小爲A4
        Document doc = new Document(PageSize.A4, 50, 50, 50, 50);
        
        //設置要輸出到磁盤上的文件名稱
        PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(new File(WebConst.PDF_PATH)));
        //設置做者信息
        doc.addAuthor("income");
        //設置文檔建立日期
        doc.addCreationDate();
        //設置標題
        doc.addTitle("財務統計");
        //設置值主題
        doc.addSubject("報表展現");



        //構建頁腳
        HeaderFooter footer = new HeaderFooter(new Phrase(), true);
        
        //設置頁腳是否有邊框
        //0表示無
        //1上邊框
        //2下邊框
        //3上下邊框都有 默認都有
        //設置頁腳是否有邊框
        footer.setBorder(0);
//        footer.setBorder(1);
//        footer.setBorder(2);
//        footer.setBorder(3);
        //設置頁腳的對齊方式
        footer.setAlignment(Element.ALIGN_CENTER);
        //將頁腳添加到文檔中
        doc.setFooter(footer);
        //打開文檔開始寫內容
        doc.open();


        //構建一段落
        Paragraph par3 = new Paragraph(pdfTitle, ChineseFont());
        //設置局中對齊
        par3.setAlignment(Element.ALIGN_CENTER);
        //添加到文檔
        doc.add(par3);
        
        //建立一個四列的表格
        Table table = new Table(5);
        //設置邊框
        table.setBorder(1);
        //建立表頭
        Cell cell1 = new Cell(new Phrase("日期", ChineseFont()));
        cell1.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell1.setVerticalAlignment(Element.ALIGN_CENTER);
        cell1.setHeader(true);
        cell1.setBackgroundColor(Color.RED);

        Cell cell2 = new Cell(new Phrase("收費類型", ChineseFont()));
        cell2.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell2.setVerticalAlignment(Element.ALIGN_CENTER);
        cell2.setHeader(true);
        cell2.setBackgroundColor(Color.RED);

        Cell cell3 = new Cell(new Phrase("金額", ChineseFont()));
        cell3.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell3.setVerticalAlignment(Element.ALIGN_CENTER);
        cell3.setHeader(true);
        cell3.setBackgroundColor(Color.RED);

        Cell cell4 = new Cell(new Phrase("佔比", ChineseFont()));
        cell4.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell4.setVerticalAlignment(Element.ALIGN_CENTER);
        cell4.setHeader(true);
        cell4.setBackgroundColor(Color.RED);
        
        Cell cell5 = new Cell(new Phrase("環比", ChineseFont()));
        cell5.setHorizontalAlignment(Element.ALIGN_CENTER);
        cell5.setVerticalAlignment(Element.ALIGN_CENTER);
        cell5.setHeader(true);
        cell5.setBackgroundColor(Color.RED);

        table.addCell(cell1);
        table.addCell(cell2);
        table.addCell(cell3);
        table.addCell(cell4);
        table.addCell(cell5);
        //添加此代碼後每頁都會顯示錶頭
        table.endHeaders();
        
        
        
        //======================================
        JSONObject jsonObject = JSON.parseObject(json);
        
        Set<String> keySet = jsonObject.keySet();
        for (String year : keySet) {
            JSONObject row = (JSONObject)jsonObject.get(year);
            JSONArray sflxArray = (JSONArray)row.get("sflx");
            
            int sflxLength = sflxArray.size();
            
            Cell cell11 = new Cell(new Phrase(year, ChineseFont()));
            cell11.setRowspan(sflxLength);
            table.addCell(cell11);
            
            
            for (int i=0; i<sflxLength; i++) {
                JSONObject oneSflx = (JSONObject)sflxArray.get(i);
                Cell cell22 = new Cell(new Phrase(oneSflx.getString("name"), ChineseFont()));
                Cell cell33 = new Cell(new Phrase(oneSflx.getString("je"), ChineseFont()));
                Cell cell44 = new Cell(new Phrase(oneSflx.getString("zb"), ChineseFont()));
                Cell cell55 = new Cell(new Phrase(oneSflx.getString("hb"), ChineseFont()));
                
                table.addCell(cell22);
                table.addCell(cell33);
                table.addCell(cell44);
                table.addCell(cell55);
                
            }
            //HJ
            JSONObject hjJson = (JSONObject)row.get("hj");
            
            Cell cellHj = new Cell(new Phrase("合計", ChineseFont()));
            Cell cellHsSflx = new Cell(new Phrase("--", ChineseFont()));
            Cell cellHjJe = new Cell(new Phrase((String)hjJson.get("zje"), ChineseFont()));
            Cell cellHjZb = new Cell(new Phrase((String)hjJson.get("zzb"), ChineseFont()));
            Cell cellHjHb = new Cell(new Phrase((String)hjJson.get("zhb"), ChineseFont()));
            
            table.addCell(cellHj);
            table.addCell(cellHsSflx);
            table.addCell(cellHjJe);
            table.addCell(cellHjZb);
            table.addCell(cellHjHb);
        }
        //======================================
        //將表格添加到新的文檔
        doc.add(table);
        
        
        //構建一段落
        Paragraph par4 = new Paragraph("\n\n\n\n", ChineseFont());
        //設置局中對齊
        par4.setAlignment(Element.ALIGN_CENTER);
        //添加到文檔
        doc.add(par4);
        
        
        //建立新的一頁
        //doc.newPage();
        //添加圖片
        Image image = Image.getInstance(WebConst.PDF_IMAGE_PATH);

        image.scalePercent(45);//依照比例縮放
        
        //添加到文檔
        doc.add(image);
        //設置對象方式
        image.setAlignment(Element.ALIGN_CENTER);

        doc.close();
        writer.close();
    }

    //pdf文檔中文字符處理
    public static Font ChineseFont() {
        BaseFont baseFont = null;
        try {
//            baseFont = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", true);
            baseFont = BaseFont.createFont("C:/WINDOWS/Fonts/SIMSUN.TTC,1",BaseFont.IDENTITY_H, BaseFont.EMBEDDED);
        } catch (DocumentException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        Font chineseFont = new Font(baseFont, 8, Font.NORMAL, Color.BLUE);
        return chineseFont;
    }
    
    
    

    public static void createPdfDetailTable(String jsonTable,String title,String year) {
        
        String pdfTitle = getFileName(title, year);
        
        try {
            Document doc = new Document(PageSize.A4, 50, 50, 50, 50);
            PdfWriter writer = PdfWriter.getInstance(doc, new FileOutputStream(new File(WebConst.PDF_PATH)));
            doc.addAuthor("income");
            doc.addCreationDate();
            doc.addTitle("財務統計");
            doc.addSubject("報表展現");

            HeaderFooter footer = new HeaderFooter(new Phrase(), true);
            footer.setBorder(0);
            footer.setAlignment(Element.ALIGN_CENTER);
            doc.setFooter(footer);
            doc.open();

            Paragraph par3 = new Paragraph(pdfTitle, ChineseFont());
            par3.setAlignment(Element.ALIGN_CENTER);
            doc.add(par3);
            
            Table table = new Table(9);
            table.setBorder(1);
            Cell cell1 = new Cell(new Phrase("日期", ChineseFont()));
            cell1.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell1.setVerticalAlignment(Element.ALIGN_CENTER);
            cell1.setHeader(true);
            cell1.setBackgroundColor(Color.RED);

            Cell cell2 = new Cell(new Phrase("收入結構", ChineseFont()));
            cell2.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell2.setVerticalAlignment(Element.ALIGN_CENTER);
            cell2.setHeader(true);
            cell2.setBackgroundColor(Color.RED);

            Cell cell3 = new Cell(new Phrase("金額", ChineseFont()));
            cell3.setColspan(2);
            cell3.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell3.setVerticalAlignment(Element.ALIGN_CENTER);
            cell3.setHeader(true);
            cell3.setBackgroundColor(Color.RED);

            Cell cell4 = new Cell(new Phrase("佔比", ChineseFont()));
            cell4.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell4.setVerticalAlignment(Element.ALIGN_CENTER);
            cell4.setHeader(true);
            cell4.setBackgroundColor(Color.RED);
            
            Cell cell5 = new Cell(new Phrase("環比", ChineseFont()));
            cell5.setColspan(2);
            cell5.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell5.setVerticalAlignment(Element.ALIGN_CENTER);
            cell5.setHeader(true);
            cell5.setBackgroundColor(Color.RED);
            
            Cell cell6 = new Cell(new Phrase("同比", ChineseFont()));
            cell6.setColspan(2);
            cell6.setHorizontalAlignment(Element.ALIGN_CENTER);
            cell6.setVerticalAlignment(Element.ALIGN_CENTER);
            cell6.setHeader(true);
            cell6.setBackgroundColor(Color.RED);

            table.addCell(cell1);
            table.addCell(cell2);
            table.addCell(cell3);
            table.addCell(cell4);
            table.addCell(cell5);
            table.addCell(cell6);
            
            //添加此代碼後每頁都會顯示錶頭
            table.endHeaders();
            
            JSONObject jsonData = (JSONObject)JSONObject.parse(jsonTable);
            
            Set<String> years = jsonData.keySet();
            for (String yearOrHj : years) {
                if(!"hj".equals(yearOrHj)){
                    JSONObject oneSrjgDetail = (JSONObject)jsonData.get(yearOrHj);
                    JSONArray syjgArray = (JSONArray)oneSrjgDetail.get("syjg");
                    int syjgLength = syjgArray.size();
                    
                    Cell cell11 = new Cell(new Phrase(yearOrHj, ChineseFont()));
                    cell11.setRowspan(syjgLength);
                    table.addCell(cell11);
                    
                    String zhb = (String)oneSrjgDetail.get("zhb");
                    String zje = (String)oneSrjgDetail.get("zje");
                    String ztb = (String)oneSrjgDetail.get("ztb");
                    
                    Cell cell99 = null;
                    Cell cell77 = null;
                    Cell cell44 = null;
                    for (int i = 0;i < syjgLength; i++) {
                        JSONObject oneSRJG = (JSONObject)syjgArray.get(i);
                        if(i == 0){
                            Cell cell22 = new Cell(new Phrase(oneSRJG.getString("name"), ChineseFont()));
                            table.addCell(cell22);
                            
                            Cell cell33 = new Cell(new Phrase(oneSRJG.getString("je"), ChineseFont()));
                            table.addCell(cell33);
                            
                            cell44 = new Cell(new Phrase(zje, ChineseFont()));
                            cell44.setRowspan(syjgLength);
                            table.addCell(cell44);
                         
                            Cell cell55 = new Cell(new Phrase(oneSRJG.getString("zb"), ChineseFont()));
                            table.addCell(cell55);
                          
                            Cell cell66 = new Cell(new Phrase(oneSRJG.getString("hb"), ChineseFont()));
                            table.addCell(cell66);

                            cell77 = new Cell(new Phrase(zhb, ChineseFont()));
                            cell77.setRowspan(syjgLength);
                            table.addCell(cell77);
                            
                            Cell cell88 = new Cell(new Phrase(oneSRJG.getString("tb"), ChineseFont()));
                            table.addCell(cell88);
                            
                            cell99 = new Cell(new Phrase(ztb, ChineseFont()));
                            cell99.setRowspan(syjgLength);
                            table.addCell(cell99);
                        }else{
                            Cell cell22 = new Cell(new Phrase(oneSRJG.getString("name"), ChineseFont()));
                            table.addCell(cell22);
                            
                            Cell cell33 = new Cell(new Phrase(oneSRJG.getString("je"), ChineseFont()));
                            table.addCell(cell33);
                            
                            Cell cell55 = new Cell(new Phrase(oneSRJG.getString("zb"), ChineseFont()));
                            table.addCell(cell55);
                            
                            Cell cell66 = new Cell(new Phrase(oneSRJG.getString("hb"), ChineseFont()));
                            table.addCell(cell66);
                            
                            Cell cell88 = new Cell(new Phrase(oneSRJG.getString("tb"), ChineseFont()));
                            table.addCell(cell88);
                        }
                    }
                }
            }
            
            
            
            
            //將表格添加到新的文檔
            doc.add(table);
            
            
            //構建一段落
            Paragraph par4 = new Paragraph("\n\n\n\n", ChineseFont());
            //設置局中對齊
            par4.setAlignment(Element.ALIGN_CENTER);
            //添加到文檔
            doc.add(par4);
            
            //建立新的一頁
            //doc.newPage();
            //添加圖片
            Image image = Image.getInstance(WebConst.PDF_IMAGE_PATH);

            image.scalePercent(45);//依照比例縮放
            
            //添加到文檔
            doc.add(image);
            //設置對象方式
            image.setAlignment(Element.ALIGN_CENTER);

            doc.close();
            writer.close();
            
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
  
    private static String getFileName(String title,String year){
        String pdfTitle = "";
        if("3".equals(year) || "5".equals(year)){
            pdfTitle = "近"+year+"年收入報表" + pdfTitle;
        }else{
            pdfTitle = year+"年收入報表" + pdfTitle;
        }
        return pdfTitle;
    }

}

 

效果圖:

 

 

 

頁面JavaScript代碼
 

var isFirst = $isFirst;
function loadPdf(){
	var jsonTable = null;
	var jsonBar = null;
	
	var year = $('#myTab').find('li[class="active"]').find('a').data('year');
	var imgUrl = chart.getDataURL();//獲取echart圖片的base64信息
	if(year == 5){
		html2canvas(document.getElementById("area-chart-5year"), { 
              //調用html2canvas.js插件將普通html轉換成可視化圖片
            allowTaint: true,    
            taintTest: false,    
            onrendered: function(canvas) {    
                canvas.id = "mycanvas";    
                //生成base64圖片數據    
                imgUrl = canvas.toDataURL();//獲取base64信息
            }    
        });
		
	}
	
	if(isFirst == 1){
		if(year == 3){
			jsonTable = $load3YearSYBAllData.table;
			jsonBar = $load3YearSYBAllData.bar;
		}else if(year == 5){
			jsonTable = $load5YearSYBAllData.table;
			jsonBar = $load5YearSYBAllData.bar;
		}
	}else{
		if(year == 3){
			jsonTable = btnMsg.load3YearSYBAllData.table;
			jsonBar = btnMsg.load3YearSYBAllData.bar;
		}else if(year == 5){
			jsonTable = btnMsg.load5YearSYBAllData.table;
			jsonBar = btnMsg.load5YearSYBAllData.bar;
		}
	}
	
	$.ajax({
		method : 'post',
		url : '/pdf/converPdf',
		data : {
			jsonTable : JSON.stringify(jsonTable),
			jsonBar : JSON.stringify(jsonBar),
// 			title : title,
			imgUrl : imgUrl,
			year : year
		},
		success : function(msg){
			
		}
	})
	
}