1 import jxl.Cell;
 2 import jxl.Sheet;
 3 import jxl.Workbook;
 4 import net.sf.json.JSONArray;
 5 import net.sf.json.JSONObject;
 6 
 7 import java.io.FileInputStream;
 8 import java.io.InputStream;
 9 import java.util.HashMap;
10 import java.util.Map;
11 
12 public class Main {
13 
14     public
 
 static void main(String[] args) {
15         String excelPath = "E:\\workspace\\HelloWorld\\data\\fund.xls";
16         Map<String,String> fundMaps = readExcel(excelPath);
17         jsonBuild(fundMaps);
18     }
19 
20     private static void jsonBuild(Map fundMaps) {
21         int size = fundMaps.size();
 
22         for(Object key : fundMaps.keySet()) {
23             Object displayName = fundMaps.get(key);
24             JSONObject jsonObject = new JSONObject();
25             JSONArray jsonArray = new JSONArray();
26             JSONObject jsonInnerObject1 = new JSONObject();
27             JSONObject jsonInnerObject2 = new
 
 JSONObject();
28             jsonInnerObject1.put("keywordsInput", displayName);
29             jsonInnerObject1.put("weight", "10");
30             jsonInnerObject2.put("keywordsInput", key);
31             jsonInnerObject2.put("weight", "12");
32             jsonArray.add(jsonInnerObject1);
33             jsonArray.add(jsonInnerObject2);
34             jsonObject.put("keywordsType", "product");
35             jsonObject.put("keywordsDisplay", displayName+" "+key);
36             jsonObject.put("array", jsonArray);
37             System.out.println(jsonObject+",");
38         }
39     }
40 
41     private static Map<String,String> readExcel(String excelPath) {
42         Workbook excelRead;
43         Map fundMaps = new HashMap<String, String>();
44         try {
45             InputStream instream = new FileInputStream(excelPath);
46             excelRead = Workbook.getWorkbook(instream);
47             Sheet sheetRead = excelRead.getSheet(0);
48             int rows = sheetRead.getRows();
49             for (int i = 1; i < rows; i++) {
50                 Cell cell0 = sheetRead.getCell(0, i);
51                 Cell cell1 = sheetRead.getCell(1, i);
52                 fundMaps.put(cell0.getContents(), cell1.getContents());
53             }
54         } catch (Exception e) {
55             System.out.println("excel read failed : " + e);
56         }
57         return fundMaps;
58     }
59 }

附1：json格式

 1 {
 2       keywordsType:"product",
 3       keywordsDisplay:"基金2 2",
 4       array:{
 5             {
 6                 keywordsInput:"基金2",
 7                 weight:"10"
 8             },
 9             {        
10                 keywordsInput:"2",
11                 weight:"12"
12             }
13       }
14 }

附2：jar包下載

【1】json jar包下載 ：

http://www.sojson.com/blog/20.html

http://www.cnblogs.com/xihuanyuye/p/5984679.html

【2】excel jar包下載：

http://www.cnblogs.com/wuxinrui/archive/2011/03/20/1989326.html

【java】提取excel轉json