【匯出PDF-專案應用】
前言
最近專案中用到了匯出PDF,所以在這裡總結一下,便於以後的查閱.也在這裡分享給看到部落格的夥伴們
核心
程式碼展示:
public void exportpdf(HttpServletRequest request, HttpServletResponse response) {
String strAppRootPath = request.getServletContext().getRealPath("/");
String title = "LDAR維修工單";
// 匯出檔名
SimpleDateFormat formatter = new SimpleDateFormat("yyyyMMddHHmmss");
String fileName = formatter.format(System.currentTimeMillis()) + ".pdf";
Map<Integer, String> dicTitleUp = new HashMap<>();
dicTitleUp.put(0, "元件號");
dicTitleUp.put(1, "裝置");
dicTitleUp.put(2, "區域");
dicTitleUp.put(3, "裝置");
dicTitleUp.put(4, "元件型別");
dicTitleUp.put(5, "元件子型別");
dicTitleUp.put(6, "位置描述");
dicTitleUp.put(7, "尺寸(mm)");
dicTitleUp.put(8, "PID圖號");
dicTitleUp.put(9, "檢測日期");
dicTitleUp.put(10, "檢測人");
dicTitleUp.put(11, "PPM讀數");
dicTitleUp.put(12, "洩漏閾值");
dicTitleUp.put(13, "洩漏源");
dicTitleUp.put(14, "首次修復期限");
dicTitleUp.put(15, "最終修復期限");
dicTitleUp.put(16, "到期時間");
dicTitleUp.put(17, "延遲修復的預期日期");
Map<Integer, String> dicUp = new HashMap<>();
dicUp.put(0, "COMPONENT_NUMBER");
dicUp.put(1, "LOCATIONA_NAME");
dicUp.put(2, "LOCATIONB_NAME");
dicUp.put(3, "LOCATIONC_NAME");
dicUp.put(4, "COMPONENT_TYPE_NAME");
dicUp.put(5, "SUB_TYPE_NAME");
dicUp.put(6, "LOCATION_DESCRIPTION");
dicUp.put(7, "SIZE_OF");
dicUp.put(8, "DRAWING");
dicUp.put(9, "DATETIMESTART");
dicUp.put(10, "realname");
dicUp.put(11, "READING");
dicUp.put(12, "FINAL_THRESHOLD");
dicUp.put(13, "leakage_source_name");
dicUp.put(14, "FIRST_TIME_LIMIT");
dicUp.put(15, "LAST_TIME_LIMIT");
dicUp.put(16, "due");
dicUp.put(17, "expeted");
// 下面的表格
Map<Integer, String> dicTitle = new HashMap<>();
dicTitle.put(0, "維修日期");
dicTitle.put(1, "維修人");
dicTitle.put(2, "維修措施");
dicTitle.put(3, "複檢日期");
dicTitle.put(4, "檢測人");
dicTitle.put(5, "儀器");
dicTitle.put(6, "背景值");
dicTitle.put(7, "PPM讀數");
Map<Integer, String> dic = new HashMap<>();
dic.put(0, "maintenance_date");
dic.put(1, "maintenance_name");
dic.put(2, "maintenance_measures_name");
dic.put(3, "retest_start_date");
dic.put(4, "retest_name");
dic.put(5, "testing_instrument_name");
dic.put(6, "background_ppm_readings");
dic.put(7, "ppm_readings");
Rectangle rect = new Rectangle(PageSize.A4);
Document document = new Document(rect);
OutputStream os = null;
try {
String type = "pdf";
this.setResponseHeader(response, fileName ,type);
os = response.getOutputStream();
PdfWriter writer = PdfWriter.getInstance(document, os);
document.open();
BaseFont bfChinese = BaseFont.createFont("STSong-Light", "UniGB-UCS2-H", false);
Font fontTitle = new Font(bfChinese, 22.0F, 0);
Font exportMan = new Font(bfChinese, 14.0F, 0);
Font cont = new Font(bfChinese, 10.0F, 0);
Font s = new Font(bfChinese, 10.0F, 0);
//查詢的資料
List<Map<String, Object>> results= this.queryRepairOrder(request, response);
if(results.size() >0) {
Map<String, List<Map<String, Object>>> reset = new HashMap<>();
Map<String, Map<String, Object>> id2pub = new HashMap<>();
for (Map<String, Object> each : results) {
if (null == each) {
continue;
}
if ((null == each.get("id")) || "".equals(each.get("id"))) {
continue;
}
List<Map<String, Object>> subList = new ArrayList<>();
if (!reset.containsKey(each.get("id").toString())) {
reset.put(each.get("id").toString(), subList);
}
subList = reset.get(each.get("id").toString());
subList.add(each);
Map<String, Object> x = new HashMap<>();
if (!id2pub.containsKey(each.get("id").toString())) {
id2pub.put(each.get("id").toString(), each);
}
}
int pageIndex = 1;
for (Map.Entry<String, List<Map<String, Object>>> eachMap : reset.entrySet()) {
for (int i = 0; i < 3; i++) {
document.add(new Paragraph("\n"));
}
//logo圖片
String logoPath = "upload\\files\\20171012\\logo.png";
logoPath = strAppRootPath + logoPath;
logoPath = logoPath.replace("/", File.separator).replace("\\", File.separator);
Image image = Image.getInstance(logoPath);
image.setAbsolutePosition(420, 730);
float wid = image.getWidth();
float hei = image.getHeight();
image.scaleAbsolute(wid, hei);
document.add(image);
// 標題
Paragraph tit = new Paragraph(title, fontTitle);
tit.setAlignment(Element.ALIGN_CENTER);
tit.setLeading(1f);
document.add(tit);
document.add(new Paragraph("\n"));
// 匯出人
//String name = "匯出人:" + ResourceUtil.getSessionUser().getRealName();
String name = "中天合創";
Paragraph export = new Paragraph(name, exportMan);
export.setAlignment(Element.ALIGN_CENTER);
tit.setLeading(1f);
document.add(export);
document.add(new Paragraph("\n"));
// 上半部分
PdfPTable upTable = new PdfPTable(4);
upTable.setTotalWidth(100);
upTable.setWidths(new float[]{15f, 35f, 15f, 35f});
upTable.setWidthPercentage(100.0F);
upTable.setHeaderRows(1);
upTable.getDefaultCell().setHorizontalAlignment(1);
upTable.setSpacingBefore(10f); // 前間距
upTable.setSpacingAfter(10f); // 後間距
String content = "";
int valIndex = 0;
int cellIndex = 0;
for (int len = 0; len < dicTitleUp.size() / 2 + dicTitleUp.size() % 2; len++) {
PdfPCell cell = null;
for (int i = 0; i < 4; i++) {
if (i == 0 || i == 2) {
content = dicTitleUp.get(cellIndex);
cell = new PdfPCell(new Paragraph(content, cont));
alignLeft(cell);
cellIndex++;
} else if (null == id2pub.get(eachMap.getKey()).get(dicUp.get(valIndex))) {
content = "";
cell = new PdfPCell(new Paragraph(content, cont));
alignRight(cell);
valIndex++;
} else {
content = id2pub.get(eachMap.getKey()).get(dicUp.get(valIndex)).toString();
cell = new PdfPCell(new Paragraph(content, cont));
alignRight(cell);
valIndex++;
}
upTable.addCell(cell);
}
}
document.add(upTable);
//下半部分
PdfPTable bottomTable = new PdfPTable(8);
bottomTable.setTotalWidth(100);
bottomTable.setWidths(new float[]{13f, 14f, 12f, 13f, 13f, 10f, 14f, 13f});
bottomTable.setWidthPercentage(100.0F);
bottomTable.setHeaderRows(1);
bottomTable.getDefaultCell().setHorizontalAlignment(1);
bottomTable.setSpacingBefore(10f); // 前間距
bottomTable.setSpacingAfter(10f); // 後間距
//填充表頭
PdfPCell cell = null;
for (int valueIndex = 0; valueIndex < dicTitle.size(); valueIndex++) {
cell = new PdfPCell(new Paragraph(dicTitle.get(valueIndex), cont));
alignCenter(cell);
bottomTable.addCell(cell);
}
// 填充內容
int rowIndex = 0;
PdfPCell cell2 = null;
for (Map<String, Object> eachObj : eachMap.getValue()) {
for (Map.Entry<Integer, String> each2 : dic.entrySet()) {
if (null != each2.getValue() && null != eachObj.get(each2.getValue())) {
content = eachObj.get(each2.getValue()).toString();
} else {
content = "";
}
cell2 = new PdfPCell(new Paragraph(content, cont));
alignCenter(cell2);
bottomTable.addCell(cell2);
}
rowIndex++;
}
int a = 2;
for (int k = rowIndex; k < a; k++) {
for (int index = 0; index < dicTitle.size(); index++) {
content = "";
cell2 = new PdfPCell(new Paragraph(content, cont));
alignCenter(cell2);
bottomTable.addCell(cell2);
}
}
document.add(bottomTable);
//圖片部分
PdfPTable imageTable = new PdfPTable(4);
imageTable.setTotalWidth(100);
imageTable.setWidths(new float[]{10f, 30f, 30f, 30f});
imageTable.setWidthPercentage(100.0F);
String path = "";
float h = 120f;
for (Map<String, Object> eachObj : eachMap.getValue()) {
path = null == eachObj.get("MARK_PICTURES_ADDRESS") ? "" : eachObj.get("MARK_PICTURES_ADDRESS").toString();
}
content = "備註";
PdfPCell cellPic1 = new PdfPCell(new Paragraph(content, cont));
cellPic1.setFixedHeight(h);
content = strAppRootPath + path;
content = content.replace("/", File.separator).replace("\\", File.separator);
File file = new File(content);
if (!file.exists() || "".equals(path) || path == null) {
content = "";
PdfPCell cellPic2 = new PdfPCell(new Paragraph(content, cont));
PdfPCell cellPic3 = new PdfPCell(new Paragraph(content, cont));
cellPic3.setFixedHeight(h);
PdfPCell cellPic4 = new PdfPCell(new Paragraph(content, cont));
cellPic4.setFixedHeight(h);
imageTable.addCell(cellPic1);
imageTable.addCell(cellPic2);
imageTable.addCell(cellPic3);
imageTable.addCell(cellPic4);
document.add(imageTable);
document.add(new Paragraph("\n"));
footer(id2pub, document, s, pageIndex);
pageIndex++;
document.newPage();
} else {
Image imagex = Image.getInstance(content);
PdfPTable picTable = new PdfPTable(1);
picTable.addCell(imagex);
PdfPCell cellPic2 = new PdfPCell(picTable);
content = "";
PdfPCell cellPic3 = new PdfPCell(new Paragraph(content, cont));
cellPic3.setFixedHeight(h);
PdfPCell cellPic4 = new PdfPCell(new Paragraph(content, cont));
cellPic4.setFixedHeight(h);
imageTable.addCell(cellPic1);
imageTable.addCell(cellPic2);
imageTable.addCell(cellPic3);
imageTable.addCell(cellPic4);
document.add(imageTable);
document.add(new Paragraph("\n"));
footer(id2pub, document, s, pageIndex);
pageIndex++;
document.newPage();
}
}
}else{
//logo圖片
String logoPath = "upload\\files\\20171012\\logo.png";
logoPath = strAppRootPath + logoPath;
logoPath = logoPath.replace("/", File.separator).replace("\\", File.separator);
Image image = Image.getInstance(logoPath);
image.setAbsolutePosition(420, 730);
float wid = image.getWidth();
float hei = image.getHeight();
image.scaleAbsolute(wid, hei);
document.add(image);
// 標題
Paragraph tit = new Paragraph(title, fontTitle);
tit.setAlignment(Element.ALIGN_CENTER);
tit.setLeading(1f);
document.add(tit);
document.add(new Paragraph("\n"));
// 匯出人
//String name = "匯出人:" + ResourceUtil.getSessionUser().getRealName();
String name = "中天合創";
Paragraph export = new Paragraph(name, exportMan);
export.setAlignment(Element.ALIGN_CENTER);
tit.setLeading(1f);
document.add(export);
document.add(new Paragraph("\n"));
}
} catch (DocumentException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
document.close();
}總結
在專案中不斷的成長.
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