java生成pdf文件
一、首先工程中增長mvn相關jar：java
<!--pdf生成jar包-->
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itext-asian</artifactId>
<version>5.2.0</version>
</dependency>
<dependency>
<groupId>com.itextpdf</groupId>
<artifactId>itextpdf</artifactId>
<version>5.4.2</version>
</dependency>
二、編寫測試用例web
package com.zdnst.test;
import java.io.File;
import java.io.FileOutputStream;
import com.itextpdf.text.Document;
import com.itextpdf.text.Element;
import com.itextpdf.text.Font;
import com.itextpdf.text.Paragraph;
import com.itextpdf.text.Phrase;
import com.itextpdf.text.Rectangle;
import com.itextpdf.text.pdf.BaseFont;
import com.itextpdf.text.pdf.PdfPCell;
import com.itextpdf.text.pdf.PdfPTable;
import com.itextpdf.text.pdf.PdfWriter;
import com.zdnst.common.utils.FileStorageUtils;
public class BasePDFWrite {
Document document = null;// 創建一個Document對象
private static Font headFont ;
private static Font keyFont ;
private static Font textfont_H ;
private static Font textfont_B ;
int maxWidth = 520;
static{
BaseFont bfChinese_H;
try {
/**
* 新建一個字體,iText的方法 STSongStd-Light 是字體，在iTextAsian.jar 中以property爲後綴
* UniGB-UCS2-H 是編碼，在iTextAsian.jar 中以cmap爲後綴 H 表明文字版式是 橫版， 相應的 V 表明豎版
*/
bfChinese_H = BaseFont.createFont("STSong-Light","UniGB-UCS2-H",BaseFont.NOT_EMBEDDED);
headFont = new Font(bfChinese_H, 10, Font.NORMAL);
keyFont = new Font(bfChinese_H, 18, Font.BOLD);
textfont_H = new Font(bfChinese_H, 10, Font.NORMAL);
textfont_B = new Font(bfChinese_H, 12, Font.NORMAL);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 設置頁面屬性
* @param file
*/
public BasePDFWrite(File file) {
//自定義紙張
Rectangle rectPageSize = new Rectangle(350, 620);
// 定義A4頁面大小
//Rectangle rectPageSize = new Rectangle(PageSize.A4);
rectPageSize = rectPageSize.rotate();// 加上這句能夠實現頁面的橫置
document = new Document(rectPageSize,10, 150, 10, 40);
try {
PdfWriter.getInstance(document,new FileOutputStream(file));
document.open();
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* 建表格(以列的數量建)
* @param colNumber
* @return
*/
public PdfPTable createTable(int colNumber){
PdfPTable table = new PdfPTable(colNumber);
try{
//table.setTotalWidth(maxWidth);
//table.setLockedWidth(true);
table.setHorizontalAlignment(Element.ALIGN_CENTER);
table.getDefaultCell().setBorder(1);
table.setSpacingBefore(10);
table.setWidthPercentage(100);
}catch(Exception e){
e.printStackTrace();
}
return table;
}
/**
* 建表格(以列的寬度比建)
* @param widths
* @return
*/
public PdfPTable createTable(float[] widths){
PdfPTable table = new PdfPTable(widths);
try{
//table.setTotalWidth(maxWidth);
//table.setLockedWidth(true);
table.setHorizontalAlignment(Element.ALIGN_CENTER);
table.getDefaultCell().setBorder(1);
table.setSpacingBefore(10);
table.setWidthPercentage(100);
}catch(Exception e){
e.printStackTrace();
}
return table;
}
/**
* 表格中單元格
* @param value
* @param font
* @param align
* @return
*/
public PdfPCell createCell(String value,Font font,int align){
PdfPCell cell = new PdfPCell();
cell.setVerticalAlignment(Element.ALIGN_MIDDLE);
cell.setHorizontalAlignment(align);
cell.setPhrase(new Phrase(value,font));
return cell;
}
/**
* 表格中單元格
* @param value
* @param font
* @param align
* @param colspan
* @param rowspan
* @return
*/
public PdfPCell createCell(String value,Font font,int align_v,int align_h,int colspan,int rowspan){
PdfPCell cell = new PdfPCell();
cell.setVerticalAlignment(align_v);
cell.setHorizontalAlignment(align_h);
cell.setColspan(colspan);
cell.setRowspan(rowspan);
cell.setPhrase(new Phrase(value,font));
return cell;
}
/**
* 建短語
* @param value
* @param font
* @return
*/
public Phrase createPhrase(String value,Font font){
Phrase phrase = new Phrase();
phrase.add(value);
phrase.setFont(font);
return phrase;
}
/**
* 建段落
* @param value
* @param font
* @param align
* @return
*/
public Paragraph createParagraph(String value,Font font,int align){
Paragraph paragraph = new Paragraph();
paragraph.add(new Phrase(value,font));
paragraph.setAlignment(align);
return paragraph;
}
public void generatePDF() throws Exception{
//頁頭信息
document.add(createParagraph("【XXXX有限公司】",headFont,Element.ALIGN_LEFT));
document.add(createParagraph("籤 購 單",keyFont,Element.ALIGN_CENTER));
document.add(createParagraph("編號：XD201602000003",headFont,Element.ALIGN_RIGHT));
//表格信息
float[] widths = {4f,10f,10f,20f,15f,8f,11f,12f,10f};
PdfPTable table = createTable(widths);
table.addCell(createCell("顧客信息", textfont_H, Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,4));
table.addCell(createCell("顧客名稱", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("XXXX有限公司", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,6,1));
table.addCell(createCell("編碼/稅號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,6,1));
table.addCell(createCell("聯繫地址", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,6,1));
table.addCell(createCell("採購經辦人", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,2,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("經辦人電話", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("經辦人手機", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("產品訂購清單", textfont_H, Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,8));
table.addCell(createCell("序號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("產品信息", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,2,1));
table.addCell(createCell("規格型號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("單位", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("單價", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("數量", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("小計", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,1));
table.addCell(createCell("1", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("塑料紙", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("小號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("個", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("400", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("2", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("塑料紙", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("小號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("個", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("400", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("3", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("塑料紙", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("小號", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("個", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("400", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("4", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("合計", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("20", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("60", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("1200", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,1,1));
table.addCell(createCell("合計金額（元）", textfont_B,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,3,1));
table.addCell(createCell("壹仟倆佰元", textfont_B,Element.ALIGN_MIDDLE, Element.ALIGN_RIGHT,6,1));
table.addCell(createCell("顧客確認", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_CENTER,1,3));
table.addCell(createCell("注：本人已充分了解訂購產品的功能用途，是根據實際須要自願購買的。", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,8,1));
table.addCell(createCell("採購經辦人簽字：", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,6,1));
table.addCell(createCell("蓋章：", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,2,1));
table.addCell(createCell("簽字日期", textfont_H,Element.ALIGN_MIDDLE, Element.ALIGN_LEFT,8,1));
document.add(table);
document.close();
}
public static void main(String[] args) throws Exception {
String filePath = FileStorageUtils.getTempPath();
File file = new File(filePath+"tee.pdf");
file.createNewFile();
new BasePDFWrite(file).generatePDF();
}
}
三、路徑文件mongodb
package com.zdnst.common.utils;
import com.mongodb.gridfs.GridFS;
import com.mongodb.gridfs.GridFSDBFile;
import com.mongodb.gridfs.GridFSInputFile;
import com.zdnst.common.file.storage.FileStorage;
import com.zdnst.common.file.storage.FileStorageFactory;
import com.zdnst.common.infra.constants.BaseCode;
import com.zdnst.common.infra.exception.ZdnstException;
import com.zdnst.common.infra.mangodb.MongoDb;
import com.zdnst.common.infra.utils.Assert;
import com.zdnst.common.infra.utils.ConfigUtils;
import com.zdnst.common.infra.utils.FileUtils;
import com.zdnst.common.infra.utils.StringUtils;
import org.apache.commons.io.FilenameUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.util.regex.Pattern;
/**
* 文件服務工具類
* Created by kaiqiang.wu on 2016/4/25.
*/
public class FileStorageUtils {
private static Logger logger = LoggerFactory.getLogger(FileStorageUtils.class);
/**
* 獲取臨時文件存儲路徑 /${ClassPath}/files/
* @return
* @throws Exception
*/
public static String getTempPath() throws Exception {
// 獲取文件須要上傳到的路徑
String tempPath = ConfigUtils.getInstance().getClassPath() + "files/";
FileUtils.forceMkdir(new File(tempPath));
return tempPath;
}
/**
* 獲得FileStorage實例
* @return
*/
public static FileStorage getFileStorage(){
String filestorageType = SystemProperties.getProperties().getProperty("filestorage.type");
String filestorageHome = SystemProperties.getProperties().getProperty("filestorage.home");
FileStorage fileStorage = FileStorageFactory.getInstance(filestorageType,filestorageHome).getFileStorage();
return fileStorage;
}
/**
* 上傳文件到文件服務器
* @param srcPathFileName 本地文件路徑名
* @param destFileName 文件服務器存儲文件名
* @return
* @throws Exception
*/
public static String uploadFile(String srcPathFileName, String destFileName) throws Exception{
try {
Assert.notEmpty(srcPathFileName,"源文件不能爲空");
Assert.notEmpty(destFileName,"目標文件名不能爲空");
logger.info("上傳文件:{} --> {}", srcPathFileName, destFileName);
FileStorage fileStorage = FileStorageUtils.getFileStorage();
String fileName = fileStorage.saveFile(srcPathFileName, destFileName);
logger.info("上傳成功 {}", destFileName);
return fileName;
}catch (Exception e){
throw new Exception("上傳文件失敗:"+srcPathFileName+":"+e.getMessage(),e);
}
}
/**
* 判斷文件在文件服務器中是否存在
* @param fileName 文件名
* @return
*/
public static boolean exists(String fileName){
FileStorage fileStorage = FileStorageUtils.getFileStorage();
boolean exists = fileStorage.exists(fileName);
return exists;
}
/**
* 刪除文件
* @param fileName 文件名
* @return
*/
public static boolean delete(String fileName){
FileStorage fileStorage = FileStorageUtils.getFileStorage();
return fileStorage.delete(fileName);
}
/**
* 縮放到指定大小
* @param fileName 原文件名
* @param toFileName 目標文件名
* @param width 目標寬
* @param height 目標高
* @return
*/
public static String scaleTo(String fileName,String toFileName,int width,int height){
FileStorage fileStorage = FileStorageUtils.getFileStorage();
return fileStorage.scaleTo(fileName,toFileName,width,height);
}
/**
* 根據不一樣的縮放狀況處理縮放
* @param fileInfoDto
* @return
*/
public static String scaleTo(FileInfoDto fileInfoDto){
String oriFileName = fileInfoDto.getOriFileName();
String toFileName = fileInfoDto.getFileName();
int oldWidth = fileInfoDto.getOriWidth();
int oldHeight = fileInfoDto.getOriHeight();
int newWidth = fileInfoDto.getScaleWidth();
int newHeight = fileInfoDto.getScaleHeight();
String ext = FilenameUtils.getExtension(oriFileName);
FileStorage fileStorage = FileStorageUtils.getFileStorage();
logger.info("圖片縮放處理:{}",fileInfoDto);
if(FileInfoDto.SCALE_BY_HEIGHT == fileInfoDto.getScaleType()){
// HEIGHT 表示目標圖片只進行高度限制，如：_HEIGHT_200x300;表示裁減後的規格300的高度，長度在保證原圖不變形狀況下可能會大於200，也可能小於200
// 原文件名： 6ABE5D72FAE4_640x320.jpg
// 輸出文件名：6ABE5D72FAE4_640x320_HEIGHT_200x300.jpg
//高度的縮放比
float scaleRate = Float.valueOf(newHeight) /Float.valueOf(oldHeight);
logger.info("按高度進行縮放:{}",scaleRate);
//高度不變時，須要對寬度進行的縮放計算獲得新的寬度
int scaleWith = (int)(oldWidth * scaleRate);
//按高縮放後的名稱，與原要求名稱不一致
String scaleFileName = FilenameUtils.getBaseName(oriFileName)+"_HEIGHT_"+scaleWith+"x"+newHeight+"."+FilenameUtils.getExtension(oriFileName);
if(!FileStorageUtils.exists(scaleFileName)){
logger.info("文件不存在，開始縮放:{}",scaleFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, scaleFileName, scaleWith, newHeight);
}else{
logger.info("文件已存在，跳過縮放:{}",scaleFileName);
}
logger.info("按高度進行縮放成功:{}",scaleFileName);
return scaleFileName;
}else if(FileInfoDto.SCALE_BY_WIDTH == fileInfoDto.getScaleType()){
// WIDTH 表示目標圖片只進行寬限制，如：_WIDTH_200x300;表示裁減後的規格200的寬度，高度在保證原圖不變形狀況下可能會大於300，也可能小於300
// 原文件名： 6ABE5D72FAE4_640x320.jpg
// 輸出文件名：6ABE5D72FAE4_640x320_WIDTH_200x300.jpg
//寬度的縮放比
float scaleRate = Float.valueOf(newWidth) /Float.valueOf(oldWidth);
logger.info("按寬度進行縮放:{}",scaleRate);
//寬度不變時，須要對高度進行的縮放計算獲得新的高度
int scaleHeight = (int)(oldHeight * scaleRate);
//按寬縮放後的名稱，與原要求名稱不一致
String scaleFileName = FilenameUtils.getBaseName(oriFileName)+"_WIDTH_"+newWidth+"x"+scaleHeight+"."+FilenameUtils.getExtension(oriFileName);
if(!FileStorageUtils.exists(scaleFileName)){
logger.info("文件不存在，開始縮放:{}",scaleFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, scaleFileName, newWidth, scaleHeight);
}else{
logger.info("文件已存在，跳過縮放:{}",scaleFileName);
}
logger.info("按寬度進行縮放成功:{}",scaleFileName);
return scaleFileName;
}else if(FileInfoDto.SCALE_BY_SIZE == fileInfoDto.getScaleType()){
//返回的圖片的寬和高要求與參數一致。
//若圖片寬和高大於要求值時，先縮小，再進裁剪
//若圖片寬或高小於要求值時，先放大，再進裁剪
String targetFileName = null;
//要求的文件名去掉縮放值（80x100）後的前綴,如:11505E06-F876-48E0-93F7-95D218505DAE_288x220_TRUE
String baseFileNamePrefix = toFileName.substring(0,toFileName.lastIndexOf("_"));
//用於裁剪時以做中心裁剪
int afterScaleWidth = 0;
int afterScaleHeight = 0;
if(oldWidth >= newWidth && oldHeight >= newHeight){
//縮小
float scaleWidthRate = Float.valueOf(newWidth) /Float.valueOf(oldWidth);
float scaleHeightRate = Float.valueOf(newHeight) /Float.valueOf(oldHeight);
if(scaleWidthRate > scaleHeightRate){
//新舊比，寬比值大，表示較接近，剛以此邊做爲基準進行縮小
//寬度不變時，須要對高度進行的縮小計算獲得新的高度
int scaleHeight = (int)(oldHeight * scaleWidthRate);
logger.info("按寬度進行縮小:{}",scaleWidthRate);
//按寬縮放後的名稱，與原要求名稱不一致
targetFileName = baseFileNamePrefix+"_"+newWidth+"x"+scaleHeight+"."+ext;
afterScaleWidth = newWidth;
afterScaleHeight = scaleHeight;
if(!FileStorageUtils.exists(targetFileName)){
logger.info("文件不存在，開始縮小:{}",targetFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, targetFileName, newWidth, scaleHeight);
}else{
logger.info("文件已存在，跳過縮小:{}",targetFileName);
}
}else{
//按高縮小
int scaleWith = (int)(oldWidth * scaleHeightRate);
logger.info("按高度進行縮小:{}",scaleHeightRate);
//按高縮放後的名稱，與原要求名稱不一致
targetFileName = baseFileNamePrefix+"_"+scaleWith+"x"+newHeight+"."+ext;
afterScaleWidth = scaleWith;
afterScaleHeight = newHeight;
if(!FileStorageUtils.exists(targetFileName)){
logger.info("文件不存在，開始縮小:{}",targetFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, targetFileName, scaleWith, newHeight);
}else{
logger.info("文件已存在，跳過縮小:{}",targetFileName);
}
}
}else{
//放大
float scaleWidthRate = Float.valueOf(newWidth) /Float.valueOf(oldWidth);
float scaleHeightRate = Float.valueOf(newHeight) /Float.valueOf(oldHeight);
if(scaleWidthRate > scaleHeightRate){
//按寬放大
//寬度不變時，須要對高度進行的縮放計算獲得新的高度
int scaleHeight = (int)(oldHeight * scaleWidthRate);
logger.info("按寬度進行放大:{}",scaleWidthRate);
//按寬縮放後的名稱，與原要求名稱不一致
targetFileName = baseFileNamePrefix+"_"+newWidth+"x"+scaleHeight+"."+ext;
afterScaleWidth = newWidth;
afterScaleHeight = scaleHeight;
if(!FileStorageUtils.exists(targetFileName)){
logger.info("文件不存在，開始放大:{}",targetFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, targetFileName, newWidth, scaleHeight);
}else{
logger.info("文件已存在，跳過放大:{}",targetFileName);
}
}else{
//按高放大
int scaleWith = (int)(oldWidth * scaleHeightRate);
logger.info("按高度進行放大:{}",scaleHeightRate);
//按高縮放後的名稱，與原要求名稱不一致
targetFileName = baseFileNamePrefix+"_"+scaleWith+"x"+newHeight+"."+ext;
afterScaleWidth = scaleWith;
afterScaleHeight = newHeight;
if(!FileStorageUtils.exists(targetFileName)){
logger.info("文件不存在，開始放大:{}",targetFileName);
//判斷若是文件不存在，則進行處理
FileStorageUtils.scaleTo(oriFileName, targetFileName, scaleWith, newHeight);
}else{
logger.info("文件已存在，跳過放大:{}",targetFileName);
}
}
}
//對目標文件進行裁剪scaleFileName
logger.info("裁剪:{} --> {}",targetFileName,toFileName);
//中心裁剪
int x = (afterScaleWidth - newWidth) / 2;
int y = (afterScaleHeight - newHeight) / 2 ;
if(x < 0 || y < 0){
//計算異常時，不處理中心裁剪
x = 0;
y = 0;
}
fileStorage.cutImg(targetFileName,toFileName,newWidth,newHeight,x,y);
logger.info("裁剪成功:{}",toFileName);
return toFileName;
}else if(FileInfoDto.SCALE_BY_CENTER == fileInfoDto.getScaleType()){
//返回的圖片的寬和高要求與參數一致。直接縮放到指定的大小
logger.info("直接縮放到指定的大小:{}", toFileName);
if(!FileStorageUtils.exists(toFileName)){
logger.info("文件不存在，開始縮放:{}",toFileName);
FileStorageUtils.scaleTo(oriFileName, toFileName, newWidth, newHeight);
}else{
logger.info("文件已存在，跳過縮放:{}",toFileName);
}
logger.info("縮放成功:{}",toFileName);
return toFileName;
}else{
throw new RuntimeException("not support scale type:"+fileInfoDto.getScaleType());
}
}
/**
* 上傳文件到MongoDb或文件服務器
* @param srcPathFileName
* @param destFileName
* @param deleteBeforeUpload 上傳以前是否先執行刪除，MongoDb是上傳默認圖時使用
* @return
* @throws Exception
*/
public static String uploadFileWithMongoDbOrFileServer(String srcPathFileName, String destFileName,boolean deleteBeforeUpload) throws Exception{
try {
Assert.notEmpty(srcPathFileName,"源文件不能爲空");
Assert.notEmpty(destFileName,"目標文件名不能爲空");
String fileName = null;
String fileStorageOpen = SystemProperties.getProperties().getProperty("filestorage.open");
if (StringUtils.COMMON_VALUE_1.equals(fileStorageOpen)) {
//使用文件服務器進行存儲
//保存到文件服務器 --2016-04-25 by wkq
fileName = FileStorageUtils.uploadFile(srcPathFileName, destFileName);
}else if (StringUtils.COMMON_VALUE_2.equals(fileStorageOpen)) {
//使用阿里OSS存儲
AliOssClient.getInstance().upload(srcPathFileName,destFileName);
fileName = destFileName;
} else {
//使用原來的MongoDb存儲
logger.info("上傳文件MongoDb:{} --> {}", srcPathFileName, destFileName);
GridFS gridFS = new GridFS(MongoDb.getInstance().getDb());
if(deleteBeforeUpload) {
try {
GridFSDBFile f = gridFS.findOne(destFileName);
if (f != null) {
gridFS.remove(destFileName);
}
} catch (IllegalArgumentException ex) {
logger.error("delete from MongoDb,file not found");
}
}
File oriFile = new File(srcPathFileName);
GridFSInputFile gfsFile = gridFS.createFile(oriFile);
gfsFile.setFilename(destFileName);
gfsFile.save();
fileName = destFileName;
logger.info("上傳成功MongoDb {}", destFileName);
}
return fileName;
}catch (Exception e){
throw new Exception("上傳文件失敗:"+srcPathFileName+":"+e.getMessage(),e);
}
}
/**
* 根據文件名解析獲得文件信息
* @param fileName 包含文件縮放信息的文件名
* @return
*/
public static FileInfoDto getFileInfo(String fileName){
try {
//獲得原文件名
FileInfoDto fileInfoDto = new FileInfoDto();
fileInfoDto.setFileName(fileName);
//解析獲得原文件名
String oriFileName = null;//原文件名
String prefixName = "";//原文件名前綴名
int first_ = fileName.indexOf("_");
int index_TRUE_ = fileName.indexOf("_TRUE_");
int index_HEIGHT_ = fileName.indexOf("_HEIGHT_");
int index_CENTER_ = fileName.indexOf("_CENTER_");
int index_WIDTH_ = fileName.indexOf("_WIDTH_");
int index_XING = fileName.indexOf("*");
String ext = FilenameUtils.getExtension(fileName);//png
if (index_XING != -1 && first_ != -1) {// 11505E06-F876-48E0-93F7-95D218505DAE*288x220_TRUE_88x54.png
prefixName = fileName.substring(0, first_);//11505E06-F876-48E0-93F7-95D218505DAE*288x220
} else if (index_TRUE_ != -1 || index_HEIGHT_ != -1 || index_WIDTH_ != -1 || index_CENTER_ != -1) {
// 11505E06-F876-48E0-93F7-95D218505DAE_288x220_TRUE_88x54.png
if (index_TRUE_ != -1) {
prefixName = fileName.substring(0, index_TRUE_);
} else if (index_HEIGHT_ != -1) {
prefixName = fileName.substring(0, index_HEIGHT_);
} else if (index_CENTER_ != -1) {
prefixName = fileName.substring(0, index_CENTER_);
} else if (index_WIDTH_ != -1) {
prefixName = fileName.substring(0, index_WIDTH_);
}
} else if (first_ != -1) {
//原文件 11505E06-F876-48E0-93F7-95D218505DAE_288x220.png
//或有縮放 11505E06-F876-48E0-93F7-95D218505DAE_288x220_400x600.png
String subFileName = fileName.substring(first_ + 1, fileName.length());
if (subFileName.indexOf("_") != -1) {
//有縮放 11505E06-F876-48E0-93F7-95D218505DAE_288x220_400x600.png
prefixName = fileName.substring(0, fileName.lastIndexOf("_"));
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_SIZE);
} else {
//無縮放
prefixName = FilenameUtils.getBaseName(fileName);
fileInfoDto.setScaleType(FileInfoDto.NO_SCALE);
}
} else {
//原文件名，無縮放，無大小劃線
prefixName = FilenameUtils.getBaseName(fileName);
}
oriFileName = prefixName + "." + ext;//11505E06-F876-48E0-93F7-95D218505DAE*288x220.png
fileInfoDto.setOriFileName(oriFileName);
fileInfoDto.setExt(ext);
//處理縮放
fileInfoDto.setScaleType(FileInfoDto.NO_SCALE);//默認無縮放
String oriSizeStr = "";
if (index_XING != -1) {
oriSizeStr = fileName.substring(index_XING + 1, first_);
} else {
String subFileName = fileName.substring(first_ + 1, fileName.length());
if (subFileName.indexOf("_") != -1) {
oriSizeStr = subFileName.substring(0, subFileName.indexOf("_"));
}
}
String[] oldSizes = oriSizeStr.split("x");
if (oldSizes != null && oldSizes.length > 1 && isNum(oldSizes[0], oldSizes[1])) {
int oriWidth = Integer.parseInt(oldSizes[0]); //原圖寬
int oriHeight = Integer.parseInt(oldSizes[1]); //原圖高
fileInfoDto.setOriWidth(oriWidth);
fileInfoDto.setOriHeight(oriHeight);
//縮放的尺寸
String newSizeStr = fileName.substring(fileName.lastIndexOf("_") + 1, fileName.lastIndexOf("."));//縮放要求的尺寸
String[] newSizes = newSizeStr.split("x");
if (newSizes != null && newSizes.length > 1 && isNum(newSizes[0], newSizes[1])) {
int newWidth = Integer.parseInt(newSizes[0]);
int newHeight = Integer.parseInt(newSizes[1]);
fileInfoDto.setScaleWidth(newWidth);
fileInfoDto.setScaleHeight(newHeight);
//只有正確獲得尺寸纔是縮放
if (index_TRUE_ != -1) {
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_SIZE);
} else if (index_HEIGHT_ != -1) {
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_HEIGHT);
} else if (index_CENTER_ != -1) {
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_CENTER);
} else if (index_WIDTH_ != -1) {
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_WIDTH);
} else {
fileInfoDto.setScaleType(FileInfoDto.SCALE_BY_SIZE);
}
}
}
return fileInfoDto;
}catch (Exception e){
throw new ZdnstException(BaseCode.ERROR_CODE112,"請求文件名解析異常:"+e.getMessage(),e);
}
}
/**
* 長度是否都是數字格式
* @param w
* @param h
* @return
*/
private static boolean isNum(String w,String h){
Pattern pattern = Pattern.compile("[0-9]*");
boolean isNum = pattern.matcher(w).matches()&&pattern.matcher(h).matches(); //都是數字
return isNum;
}
}
package com.zdnst.common.infra.utils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Properties;
/**
* 系統配置文件
*/
public class ConfigUtils {
private static Logger logger = LoggerFactory.getLogger(ConfigUtils.class);
// 應用根目錄
private String rootPath = null;
// classes目錄
private String classPath = null;
private static ConfigUtils instance = new ConfigUtils();
private ConfigUtils() {
logger.info("OS NAME:{}", System.getProperty("os.name"));
URL url = this.getClass().getClassLoader().getResource("/");
if (url == null) {
url = ConfigUtils.class.getResource("/");
}
classPath = url.getFile();
if (System.getProperty("os.name") != null
&& System.getProperty("os.name").toUpperCase().indexOf("WINDOWS") != -1
&& classPath.startsWith("/")) {
classPath = classPath.substring(1);
}
classPath = classPath.replace("%20", " ");
rootPath = classPath.replace("/WEB-INF/classes/", "");
rootPath = rootPath.replace("%20", " ");
logger.info("classPath:" + classPath);
logger.info("rootPath:" + rootPath);
}
/**
* 取惟一的cfg實例
*
* @return 惟一的cfg實例
*/
public static synchronized ConfigUtils getInstance() {
return instance;
}
/**
* 工具方法,讀取Properties配置文件
*
* @param propPath properties配置文件絕對路徑
* @return Properties
*/
public static Properties loadProperties(String propPath) {
Properties properties = new Properties();
InputStream inputStream = null;
try {
inputStream = new FileInputStream(new File(propPath));
properties.load(inputStream);
} catch (IOException e) {
logger.error("load properties error." + propPath, e);
} finally {
if (inputStream != null) {
try {
inputStream.close();
} catch (Exception e) {
logger.warn("load properties error:" + e.getMessage());
}
}
}
return properties;
}
/**
* 獲取應用根目錄（網站根目錄,如d:\MyApp）
*
* @return
*/
public String getRoot() {
return rootPath;
}
/**
* 取WEB-INF絕對路徑
*
* @return WEB-INF絕對路徑目錄(eg:/X:/XXX//WEB-INF/)
*/
public String getWebInf() {
if (classPath.indexOf("WEB-INF") != -1) {
return getRoot() + "/WEB-INF/";
} else {
logger.warn("no WEB-INF path in current environment. return the root path instead.");
return getRoot();
}
}
/**
* 取類的運行根目錄的絕對路徑
*
* @return classes絕對路徑目錄(eg:在web環境中返回/X:/XXX//WEB-INF/classes/)
*/
public String getClassPath() {
return classPath;
}
public static void main(String[] args) {
System.out.println(ConfigUtils.getInstance().getRoot());
System.out.println(ConfigUtils.getInstance().getWebInf());
}
}
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