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README.md 5.8 KiB

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10 jaren geleden
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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. [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)
  45. [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)
  46. ---------------------------
  47. EasyPoi导出实例
  48. ---------------------------
  49. 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
  50. ```Java
  51. @ExcelTarget("courseEntity")
  52. public class CourseEntity implements java.io.Serializable {
  53. /** 主键 */
  54. private String id;
  55. /** 课程名称 */
  56. @Excel(name = "课程名称", orderNum = "1", needMerge = true)
  57. private String name;
  58. /** 老师主键 */
  59. @ExcelEntity(id = "yuwen")
  60. @ExcelVerify()
  61. private TeacherEntity teacher;
  62. /** 老师主键 */
  63. @ExcelEntity(id = "shuxue")
  64. private TeacherEntity shuxueteacher;
  65. @ExcelCollection(name = "选课学生", orderNum = "4")
  66. private List<StudentEntity> students;
  67. ```
  68. 2.基础导出
  69. 传入导出参数,导出对象,以及对象列表即可完成导出
  70. ```Java
  71. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  72. "2412312", "测试", "测试"), CourseEntity.class, list);
  73. ```
  74. 3.基础导出,带有索引
  75. 在到处参数设置一个值,就可以在导出列增加索引
  76. ```Java
  77. ExportParams params = new ExportParams("2412312", "测试", "测试");
  78. params.setAddIndex(true);
  79. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(params,
  80. TeacherEntity.class, telist);
  81. ```
  82. 4.导出Map
  83. 创建类似注解的集合,即可完成Map的导出,略有麻烦
  84. ```Java
  85. List<ExcelExportEntity> entity = new ArrayList<ExcelExportEntity>();
  86. entity.add(new ExcelExportEntity("姓名", "name"));
  87. entity.add(new ExcelExportEntity("性别", "sex"));
  88. List<Map<String, String>> list = new ArrayList<Map<String, String>>();
  89. Map<String, String> map;
  90. for (int i = 0; i < 10; i++) {
  91. map = new HashMap<String, String>();
  92. map.put("name", "1" + i);
  93. map.put("sex", "2" + i);
  94. list.add(map);
  95. }
  96. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  97. "测试", "测试"), entity, list);
  98. ```
  99. 5.模板导出
  100. 根据模板配置,完成对应导出
  101. ```Java
  102. TemplateExportParams params = new TemplateExportParams();
  103. params.setHeadingRows(2);
  104. params.setHeadingStartRow(2);
  105. Map<String,Object> map = new HashMap<String, Object>();
  106. map.put("year", "2013");
  107. map.put("sunCourses", list.size());
  108. Map<String,Object> obj = new HashMap<String, Object>();
  109. map.put("obj", obj);
  110. obj.put("name", list.size());
  111. params.setTemplateUrl("org/jeecgframework/poi/excel/doc/exportTemp.xls");
  112. Workbook book = ExcelExportUtil.exportExcel(params, CourseEntity.class, list,
  113. map);
  114. ```
  115. 6.导入
  116. 设置导入参数,传入文件或者流,即可获得相应的list
  117. ```Java
  118. ImportParams params = new ImportParams();
  119. params.setTitleRows(2);
  120. params.setHeadRows(2);
  121. //params.setSheetNum(9);
  122. params.setNeedSave(true);
  123. long start = new Date().getTime();
  124. List<CourseEntity> list = ExcelImportUtil.importExcel(new File(
  125. "d:/tt.xls"), CourseEntity.class, params);
  126. ```
  127. 7.和spring mvc的无缝融合
  128. 简单几句话,Excel导出搞定
  129. ```Java
  130. @RequestMapping(params = "exportXls")
  131. public String exportXls(CourseEntity course,HttpServletRequest request,HttpServletResponse response
  132. , DataGrid dataGrid,ModelMap map) {
  133. CriteriaQuery cq = new CriteriaQuery(CourseEntity.class, dataGrid);
  134. org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, course, request.getParameterMap());
  135. List<CourseEntity> courses = this.courseService.getListByCriteriaQuery(cq,false);
  136. map.put(NormalExcelConstants.FILE_NAME,"用户信息");
  137. map.put(NormalExcelConstants.CLASS,CourseEntity.class);
  138. map.put(NormalExcelConstants.PARAMS,new ExportParams("课程列表", "导出人:Jeecg",
  139. "导出信息"));
  140. map.put(NormalExcelConstants.DATA_LIST,courses);
  141. return NormalExcelConstants.JEECG_EXCEL_VIEW;
  142. }
  143. ```