1 import java.io.FileInputStream;
  2 import java.io.InputStream;
  3 import java.util.HashMap;
  4 import java.util.Iterator;
  5 import java.util.Map;
  6 
  7 import org.testng.Assert;
  8 
  9 import jxl.*;
 10 
 11 /**
 12  * Excel放在Data文件夹下</p>
 13  * Excel命名方式：测试类名.xls</p>
 14  * Excel的sheet命名方式：测试方法名</p>
 15  * Excel第一行为Map键值</p>
 16  * 代码参考郑鸿志的Blog
 17  * {@link www.zhenghongzhi.cn/post/42.html}
 18  * @ClassName: ExcelDataProvider
 19  * @Description: TODO(读取Excel数据)
 20  */
 21 public class ExcelDataProvider implements Iterator<Object[]> {
 22 
 23     private Workbook book         = null;
 24     private Sheet    sheet        = null;
 25     private int      rowNum       = 0;
 26     private int      currentRowNo = 0;
 27     private int      columnNum    = 0;
 28     private String[] columnnName;
 29 
 30     public ExcelDataProvider(String classname, String methodname) {
 31 
 32         try {
 33 
 34             int dotNum = classname.indexOf(".");
 35 
 36             if (dotNum > 0) {
 37                 classname = classname.substring(classname.lastIndexOf(".") + 1,
 38                         classname.length());
 39             }
 40             //从/data文件夹下读取以类名命名的excel文件
 41             String path = "data/" + classname + ".xls";
 42             InputStream inputStream = new FileInputStream(path);
 43 
 44             book = Workbook.getWorkbook(inputStream);
 45             //取sheet
 46             sheet = book.getSheet(methodname);
 47             rowNum = sheet.getRows();
 48             Cell[] cell = sheet.getRow(0);
 49             columnNum = cell.length;
 50             columnnName = new String[cell.length];
 51 
 52             for (int i = 0; i < cell.length; i++) {
 53                 columnnName[i] = cell[i].getContents().toString();
 54             }
 55             this.currentRowNo++;
 56 
 57         } catch (Exception e) {
 58             e.printStackTrace();
 59             Assert.fail("unable to read Excel data");
 60         }
 61     }
 62 
 63     public boolean hasNext() {
 64 
 65         if (this.rowNum == 0 || this.currentRowNo >= this.rowNum) {
 66 
 67             try {
 68                 book.close();
 69             } catch (Exception e) {
 70                 e.printStackTrace();
 71             }
 72             return false;
 73         } else {
 74             // sheet下一行内容为空判定结束
 75             if ((sheet.getRow(currentRowNo))[0].getContents().equals(""))
 76                 return false;
 77             return true;
 78         }
 79     }
 80 
 81     public Object[] next() {
 82 
 83         Cell[] c = sheet.getRow(this.currentRowNo);
 84         Map<String, String> data = new HashMap<String, String>();
 85         // List<String> list = new ArrayList<String>();
 86 
 87         for (int i = 0; i < this.columnNum; i++) {
 88 
 89             String temp = "";
 90 
 91             try {
 92                 temp = c[i].getContents().toString();
 93             } catch (ArrayIndexOutOfBoundsException ex) {
 94                 temp = "";
 95             }
 96 
 97             // if(temp != null&& !temp.equals(""))
 98             // list.add(temp);
 99             data.put(this.columnnName[i], temp);
100         }
101         Object object[] = new Object[1];
102         object[0] = data;
103         this.currentRowNo++;
104         return object;
105     }
106 
107     public void remove() {
108         throw new UnsupportedOperationException("remove unsupported.");
109     }
110 }