java excel读写组件jxl使用

使用起来很简单，就不多说了，只把代码贴出来

1. packagecom.yinbo.satisfy.web.struts;
3. importjavax.servlet.ServletOutputStream;
4. importjavax.servlet.http.HttpServletRequest;
5. importjavax.servlet.http.HttpServletResponse;
6. importorg.apache.struts.action.Action;
7. importorg.apache.struts.action.ActionForm;
8. importorg.apache.struts.action.ActionForward;
9. importorg.apache.struts.action.ActionMapping;
11. //importcom.lowagie.text.List;
12. importjava.util.List;
13. importcom.yinbo.satisfy.service.satisfy.SatisfyManage;
14. importcom.yinbo.satisfy.service.sysmanage.BranchManage;
15. importcom.yinbo.satisfy.service.sysmanage.ParamManage;
16. importcom.yinbo.satisfy.util.CommonUtils;
17. importcom.yinbo.satisfy.vo.Branch;
18. importcom.yinbo.satisfy.vo.Suggestion;
19. importcom.yinbo.satisfy.vo.SysParam;
21. importjava.io.*;
23. importjxl.Workbook;
24. importjxl.write.Label;
25. importjxl.write.WritableSheet;
26. importjxl.write.WritableWorkbook;
27. importjxl.write.WriteException;
29. publicclassQuestionActionextendsAction{
31. privateSatisfyManagesatisfyManage;
32. privateBranchManagebranchManage;
33. privateParamManageparamManage;
35. /**
36. *Methodexecute
37. *@parammapping
38. *@paramform
39. *@paramrequest
40. *@paramresponse
41. *@returnActionForward
42. */
43. publicActionForwardexecute(ActionMappingmapping,ActionFormform,
44. HttpServletRequestrequest,HttpServletResponseresponse){
46. StringexcelFileName="c:\\testaaa.xls";
48. //////////////////////
49. StringbranchId=request.getParameter("branchId");
50. Stringlevel=request.getParameter("level");
51. Listlist=satisfyManage.getQuestionData(branchId,level);
52. Stringresult[][]=newString[list.size()][5];
53. for(inti=0;i<list.size();i++){
54. Suggestionsug=(Suggestion)list.get(i);
55. result[i][0]=sug.getSugContent();
56. ///System.out.println(sug.getSugContent());
57. }
59. //添加所在单位
60. Branchbranch=branchManage.getBranchById(branchId);
61. StringbranchName=branch.getBranchName();
62. if(CommonUtils.isEmpty(branchName))branchName="所有机构";
64. //添加级别
65. SysParamparam=paramManage.getParam("3",level);
66. StringparamName=param.getParamName();
67. if(CommonUtils.isEmpty(paramName))paramName="所有级别";
69. try{
70. StringstrFileName="question.xls";
71. strFileName=java.net.URLEncoder.encode(strFileName,"UTF-8");//处理中文文件名的问题
72. strFileName=newString(strFileName.getBytes("UTF-8"),"GBK");//处理中文文件名的问题
73. response.reset();
74. response.setCharacterEncoding("UTF-8");
75. response.setContentType("application/vnd.ms-excel");
76. response.setHeader("Content-Disposition","attachment;filename="+strFileName);
77. ByteArrayOutputStreambaos=newByteArrayOutputStream();
79. //创建可写入的Excel工作薄
80. //WritableWorkbookbook=Workbook.createWorkbook(newFile(excelFileName));
81. WritableWorkbookbook=Workbook.createWorkbook(baos);
83. //写工作表名字
84. WritableSheetsheet=book.createSheet("XXX建议",0);
86. //此处可以设置列的宽度
87. intcolumn=0;
88. sheet.setColumnView(column++,30);
89. sheet.setColumnView(column++,30);
90. sheet.setColumnView(column++,30);
91. sheet.setColumnView(column++,30);
93. sheet.addCell(newLabel(0,0,"建议("+branchName+")("+paramName+")"));//增加excel单元格
94. //sheet.addCell(newLabel(1,0,"部门名称"));//增加excel单元格
95. //sheet.addCell(newLabel(2,0,"部门类型"));//增加excel单元格
96. //sheet.addCell(newLabel(3,0,"综合成绩"));//增加excel单元格
98. //result=getSelectResultWithStringArray(ds,sql);
99. introws=result.length;
100. if(rows!=0){
101. intcols=result[0].length;
102. for(inti=0;i<rows;i++){
103. for(intj=0;j<cols;j++){
104. sheet.addCell(newLabel(j,i+1,result[i][j]));
105. }
106. }
107. }
109. book.write();//写入byte输出流数组
110. book.close();//jxl对象关闭
112. ServletOutputStreamout=response.getOutputStream();
113. baos.writeTo(out);
114. out.flush();
116. }catch(IOExceptione){
117. e.printStackTrace();
118. }catch(WriteExceptione){
119. e.printStackTrace();
120. }
122. returnnull;
123. }
125. publicSatisfyManagegetSatisfyManage(){
126. returnsatisfyManage;
127. }
129. publicvoidsetSatisfyManage(SatisfyManagesatisfyManage){
130. this.satisfyManage=satisfyManage;
131. }
133. publicBranchManagegetBranchManage(){
134. returnbranchManage;
135. }
137. publicvoidsetBranchManage(BranchManagebranchManage){
138. this.branchManage=branchManage;
139. }
141. publicParamManagegetParamManage(){
142. returnparamManage;
143. }
145. publicvoidsetParamManage(ParamManageparamManage){
146. this.paramManage=paramManage;
147. }
149. }