Question

如何利用ireport实现打印条码标签

Answer 1

　　1、打开ireport，新建一个文档，用鼠标点击图标拖拽到文档里，这里不累述ireport的使用方法，ireport的使用说明书可以到网上下载。

　　2、双击

，打开它的属性框，选择图片栏，在图片表达式里输入条码转换的方法，可以查阅如下代码：
　　3、注意图片表达式类选择java.awt.Image

　　

　　

　　

　　/*
2  * Copyright (C) 2005 - 2006 JasperSoft Corporation. All rights reserved. 
3  * http://www.jaspersoft.com.
4  *
5  * Unless you have purchased a commercial license agreement from JasperSoft,
6  * the following license terms apply:
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License version 2 as published by
10  * the Free Software Foundation.
11  *
12  * This program is distributed WITHOUT ANY WARRANTY; and without the
13  * implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
14  * See the GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, see http://www.gnu.org/licenses/gpl.txt
18  * or write to:
19  *
20  * Free Software Foundation, Inc.,
21  * 59 Temple Place - Suite 330,
22  * Boston, MA USA 02111-1307
23  *
24  *
25  *
26  *
27  * BcImage.java
28  * 
29  * Created on 20. April 2004, 13:21
30  *
31  */
32 
33 package it.businesslogic.ireport.barcode;
34 
35 /**
36  *
37  * @author Heiko
38  */
39 
40 import java.awt.image.*;
41 import net.sourceforge.barbecue.*;
42 import net.sourceforge.barbecue.linear.ean.UCCEAN128Barcode;
43 
44 public class BcImage {
45     private static net.sourceforge.barbecue.Barcode bc = null;
46     
47     public static net.sourceforge.barbecue.Barcode getBarcode() {
48         return bc;
49     }
50     
51         public static BufferedImage getBarcodeImage(int type, Object  aText, boolean showText, boolean checkSum) {
52             return getBarcodeImage(type, aText, showText, checkSum,"",0,0);
53         }
54         
55     public static BufferedImage getBarcodeImage(int type, Object  aText, boolean showText, boolean checkSum, String  applicationIdentifier, int width, int height) {
56         // 2of7, 3of9, Bookland, Codabar, Code128, Code128A, Code128B, Code128C, Code39, EAN128, EAN13, GlobalTradeItemNumber, Int2of5, Int2of5, Monarch, NW7, PDF417, SCC14ShippingCode, ShipmentIdentificationNumber, SSCC18, Std2of5, Std2of5, UCC128, UPCA, USD3, USD4, USPS
57 
58         String  text = new StringBuffer ().append(aText).toString();
59 
60         try {
61             switch (type) {
62                                 case 0: return null;
63                                 case 1: bc = BarcodeFactory.create2of7(text); break;
64                 case 2: bc = BarcodeFactory.create3of9(text, checkSum); break;
65                 case 3: bc = BarcodeFactory.createBookland(text); break;
66                 case 4: bc = BarcodeFactory.createCodabar(text); break;
67                 case 5: bc = BarcodeFactory.createCode128(text); break;
68                 case 6: bc = BarcodeFactory.createCode128A(text); break;
69                 case 7: bc = BarcodeFactory.createCode128B(text); break;
70                 case 8: bc = BarcodeFactory.createCode128C(text); break;
71                 case 9: bc = BarcodeFactory.createCode39(text, checkSum ); break;
72                 case 10: bc = BarcodeFactory.createEAN128(text); break;
73                 case 11: bc = BarcodeFactory.createEAN13(text); break;
74                 case 12: bc = BarcodeFactory.createGlobalTradeItemNumber(text); break;
75                 case 13: bc = BarcodeFactory.createInt2of5(text, checkSum); break;
76                 case 14: bc = BarcodeFactory.createMonarch(text); break;
77                 case 15: bc = BarcodeFactory.createNW7(text); break;
78                 case 16: bc = BarcodeFactory.createPDF417(text); break;
79                 case 17: bc = BarcodeFactory.createSCC14ShippingCode(text); break;
80                 case 18: bc = BarcodeFactory.createShipmentIdentificationNumber(text); break;
81                 case 19: bc = new UCCEAN128Barcode(UCCEAN128Barcode.SSCC_18_AI, text, checkSum); break; //BarcodeFactory.createSSCC18(text); break;
82 case 20: bc = BarcodeFactory.createStd2of5(text, checkSum); break;
83                 case 21: bc = new UCCEAN128Barcode(applicationIdentifier, text, checkSum); break; //BarcodeFactory.createUCC128(applicationIdentifier, text); break;
84 case 22: bc = BarcodeFactory.createUPCA(text); break;
85                 case 23: bc = BarcodeFactory.createUSD3(text, checkSum); break;
86                 case 24: bc = BarcodeFactory.createUSD4(text); break;
87                 case 25: bc = BarcodeFactory.createUSPS(text); break;
88                                 case 26: bc = new net.sourceforge.barbecue.linear.code39.Code39Barcode(text, checkSum, true); break;
89             }
90             
91                         if (width > 0) bc.setBarWidth(width);
92                         if (height > 0) bc.setBarHeight(height);
93             bc.setDrawingText(showText);
94             return net.sourceforge.barbecue.BarcodeImageHandler.getImage(bc);
95         }
96         catch (Exception  e) {
97             e.printStackTrace();
98             //generate a runtime exception, invalid value passed. 
99 //the user must be notified if fail 
100 throw new RuntimeException (e.getMessage());
101             //return null;
102 }
103     }
104 }