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  1. ===========================
  2. EasyPoi Excel和 Word简易工具类
  3. ===========================
  4. easypoi功能如同名字easy,主打的功能就是易容,让一个没见接触过poi的人员
  5. 就可以方便的写出Excel导出,Excel模板导出,Excel导入,Word模板导出,通过简单的注解和模板
  6. 语言(熟悉的表达式语法),完成以前复杂的写法
  7. 作者博客:http://blog.csdn.net/qjueyue
  8. 作者邮箱: qrb.jueyue@gmail.com
  9. ---------------------------
  10. EasyPoi的主要特点
  11. --------------------------
  12. 1.设计精巧,使用简单
  13. 2.接口丰富,扩展简单
  14. 3.默认值多,write less do more
  15. 4.AbstractView 支持,web导出可以简单明了
  16. ---------------------------
  17. EasyPoi的几个入口工具类
  18. ---------------------------
  19. 1.ExcelExportUtil Excel导出(普通导出,模板导出)
  20. 2.ExcelImportUtil Excel导入
  21. 3.WordExportUtil Word导出(只支持docx ,doc版本poi存在图片的bug,暂不支持)
  22. ---------------------------
  23. 关于Excel导出XLS和XLSX区别
  24. ---------------------------
  25. 1.导出时间XLS比XLSX快2-3倍
  26. 2.导出大小XLS是XLSX的2-3倍或者更多
  27. 3.导出需要综合网速和本地速度做考虑^~^
  28. --------------------------
  29. 版本修改
  30. --------------------------
  31. - 2.0.6-release
  32. - 修复导入的自定义格式异常
  33. - 修复导入的BigDecimal不识别
  34. - 导出大数据替换为SXSSFWorkbook,提高07版本Excel导出效率
  35. - 根据sonar的提示,修复编码格式问题
  36. - 做了更加丰富的测试
  37. - word 导出的优化
  38. - 2.0.6-SNAPSHOT
  39. - 增加map的导出
  40. - 增加index 列
  41. ---------------------------
  42. EasyPoi 文档
  43. ---------------------------
  44. 这几篇是旧的教程,不过和现在大同小异
  45. [Excel 介绍篇](http://note.youdao.com/share/?id=ea5166076313d437abbfb28a18d85486&type=note)
  46. [Excel 工具类](http://note.youdao.com/share/?id=dcfef5355d1d75b718be8fd563ad5216&type=note)
  47. [Excel 注解介绍.第一篇](http://note.youdao.com/share/?id=9898d1777ca97b81d82a6e151b880dbb&type=note)
  48. [Excel 注解介绍.第二篇](http://note.youdao.com/share/?id=9898d1777ca97b81d82a6e151b880dbb&type=note)
  49. [Excel 实体类](http://note.youdao.com/share/?id=dab97eababf8e91356f87be204b581e8&type=note)
  50. [Word模板导出教程](http://note.youdao.com/share/?id=26794c8eb4a285828663178c0ae854a2&type=note)
  51. 后面都是新的了
  52. [EasyPoi-在财务报表中的应用](http://git.oschina.net/jueyue/easypoi/wikis/EasyPoi-%E5%9C%A8%E8%B4%A2%E5%8A%A1%E6%8A%A5%E8%A1%A8%E4%B8%AD%E7%9A%84%E5%BA%94%E7%94%A8)
  53. [EasyPoi-如何筛选导出属性](http://git.oschina.net/jueyue/easypoi/wikis/EasyPoi-%E5%A6%82%E4%BD%95%E7%AD%9B%E9%80%89%E5%AF%BC%E5%87%BA%E5%B1%9E%E6%80%A7)
  54. ---------------------------
  55. EasyPoi导出实例
  56. ---------------------------
  57. 1.注解,导入导出都是基于注解的,实体上做上注解,标示导出对象,同时可以做一些操作
  58. ```Java
  59. @ExcelTarget("courseEntity")
  60. public class CourseEntity implements java.io.Serializable {
  61. /** 主键 */
  62. private String id;
  63. /** 课程名称 */
  64. @Excel(name = "课程名称", orderNum = "1", needMerge = true)
  65. private String name;
  66. /** 老师主键 */
  67. @ExcelEntity(id = "yuwen")
  68. @ExcelVerify()
  69. private TeacherEntity teacher;
  70. /** 老师主键 */
  71. @ExcelEntity(id = "shuxue")
  72. private TeacherEntity shuxueteacher;
  73. @ExcelCollection(name = "选课学生", orderNum = "4")
  74. private List<StudentEntity> students;
  75. ```
  76. 2.基础导出
  77. 传入导出参数,导出对象,以及对象列表即可完成导出
  78. ```Java
  79. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  80. "2412312", "测试", "测试"), CourseEntity.class, list);
  81. ```
  82. 3.基础导出,带有索引
  83. 在到处参数设置一个值,就可以在导出列增加索引
  84. ```Java
  85. ExportParams params = new ExportParams("2412312", "测试", "测试");
  86. params.setAddIndex(true);
  87. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(params,
  88. TeacherEntity.class, telist);
  89. ```
  90. 4.导出Map
  91. 创建类似注解的集合,即可完成Map的导出,略有麻烦
  92. ```Java
  93. List<ExcelExportEntity> entity = new ArrayList<ExcelExportEntity>();
  94. entity.add(new ExcelExportEntity("姓名", "name"));
  95. entity.add(new ExcelExportEntity("性别", "sex"));
  96. List<Map<String, String>> list = new ArrayList<Map<String, String>>();
  97. Map<String, String> map;
  98. for (int i = 0; i < 10; i++) {
  99. map = new HashMap<String, String>();
  100. map.put("name", "1" + i);
  101. map.put("sex", "2" + i);
  102. list.add(map);
  103. }
  104. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  105. "测试", "测试"), entity, list);
  106. ```
  107. 5.模板导出
  108. 根据模板配置,完成对应导出
  109. ```Java
  110. TemplateExportParams params = new TemplateExportParams();
  111. params.setHeadingRows(2);
  112. params.setHeadingStartRow(2);
  113. Map<String,Object> map = new HashMap<String, Object>();
  114. map.put("year", "2013");
  115. map.put("sunCourses", list.size());
  116. Map<String,Object> obj = new HashMap<String, Object>();
  117. map.put("obj", obj);
  118. obj.put("name", list.size());
  119. params.setTemplateUrl("org/jeecgframework/poi/excel/doc/exportTemp.xls");
  120. Workbook book = ExcelExportUtil.exportExcel(params, CourseEntity.class, list,
  121. map);
  122. ```
  123. 6.导入
  124. 设置导入参数,传入文件或者流,即可获得相应的list
  125. ```Java
  126. ImportParams params = new ImportParams();
  127. params.setTitleRows(2);
  128. params.setHeadRows(2);
  129. //params.setSheetNum(9);
  130. params.setNeedSave(true);
  131. long start = new Date().getTime();
  132. List<CourseEntity> list = ExcelImportUtil.importExcel(new File(
  133. "d:/tt.xls"), CourseEntity.class, params);
  134. ```
  135. 7.和spring mvc的无缝融合
  136. 简单几句话,Excel导出搞定
  137. ```Java
  138. @RequestMapping(params = "exportXls")
  139. public String exportXls(CourseEntity course,HttpServletRequest request,HttpServletResponse response
  140. , DataGrid dataGrid,ModelMap map) {
  141. CriteriaQuery cq = new CriteriaQuery(CourseEntity.class, dataGrid);
  142. org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, course, request.getParameterMap());
  143. List<CourseEntity> courses = this.courseService.getListByCriteriaQuery(cq,false);
  144. map.put(NormalExcelConstants.FILE_NAME,"用户信息");
  145. map.put(NormalExcelConstants.CLASS,CourseEntity.class);
  146. map.put(NormalExcelConstants.PARAMS,new ExportParams("课程列表", "导出人:Jeecg",
  147. "导出信息"));
  148. map.put(NormalExcelConstants.DATA_LIST,courses);
  149. return NormalExcelConstants.JEECG_EXCEL_VIEW;
  150. }
  151. ```