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README.md 4.7 KiB

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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. ---------------------------
  8. EasyPoi的主要特点
  9. --------------------------
  10. 1.设计精巧,使用简单
  11. 2.接口丰富,扩展简单
  12. 3.默认值多,write less do more
  13. 4.AbstractView 支持,web导出可以简单明了
  14. ---------------------------
  15. EasyPoi的几个入口工具类
  16. ---------------------------
  17. 1.ExcelExportUtil Excel导出(普通导出,模板导出)
  18. 2.ExcelImportUtil Excel导入
  19. 3.WordExportUtil Word导出(只支持docx ,doc版本poi存在图片的bug,暂不支持)
  20. ---------------------------
  21. EasyPoi导出实例
  22. ---------------------------
  23. 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
  24. ```Java
  25. @ExcelTarget("courseEntity")
  26. public class CourseEntity implements java.io.Serializable {
  27. /** 主键 */
  28. private String id;
  29. /** 课程名称 */
  30. @Excel(name = "课程名称", orderNum = "1", needMerge = true)
  31. private String name;
  32. /** 老师主键 */
  33. @ExcelEntity(id = "yuwen")
  34. @ExcelVerify()
  35. private TeacherEntity teacher;
  36. /** 老师主键 */
  37. @ExcelEntity(id = "shuxue")
  38. private TeacherEntity shuxueteacher;
  39. @ExcelCollection(name = "选课学生", orderNum = "4")
  40. private List<StudentEntity> students;
  41. ```
  42. 2.基础导出
  43. 传入导出参数,导出对象,以及对象列表即可完成导出
  44. ```Java
  45. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  46. "2412312", "测试", "测试"), CourseEntity.class, list);
  47. ```
  48. 3.基础导出,带有索引
  49. 在到处参数设置一个值,就可以在导出列增加索引
  50. ```Java
  51. ExportParams params = new ExportParams("2412312", "测试", "测试");
  52. params.setAddIndex(true);
  53. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(params,
  54. TeacherEntity.class, telist);
  55. ```
  56. 4.导出Map
  57. 创建类似注解的集合,即可完成Map的导出,略有麻烦
  58. ```Java
  59. List<ExcelExportEntity> entity = new ArrayList<ExcelExportEntity>();
  60. entity.add(new ExcelExportEntity("姓名", "name"));
  61. entity.add(new ExcelExportEntity("性别", "sex"));
  62. List<Map<String, String>> list = new ArrayList<Map<String, String>>();
  63. Map<String, String> map;
  64. for (int i = 0; i < 10; i++) {
  65. map = new HashMap<String, String>();
  66. map.put("name", "1" + i);
  67. map.put("sex", "2" + i);
  68. list.add(map);
  69. }
  70. HSSFWorkbook workbook = ExcelExportUtil.exportExcel(new ExportParams(
  71. "测试", "测试"), entity, list);
  72. ```
  73. 5.模板导出
  74. 根据模板配置,完成对应导出
  75. ```Java
  76. TemplateExportParams params = new TemplateExportParams();
  77. params.setHeadingRows(2);
  78. params.setHeadingStartRow(2);
  79. Map<String,Object> map = new HashMap<String, Object>();
  80. map.put("year", "2013");
  81. map.put("sunCourses", list.size());
  82. Map<String,Object> obj = new HashMap<String, Object>();
  83. map.put("obj", obj);
  84. obj.put("name", list.size());
  85. params.setTemplateUrl("org/jeecgframework/poi/excel/doc/exportTemp.xls");
  86. Workbook book = ExcelExportUtil.exportExcel(params, CourseEntity.class, list,
  87. map);
  88. ```
  89. 6.导入
  90. 设置导入参数,传入文件或者流,即可获得相应的list
  91. ```Java
  92. ImportParams params = new ImportParams();
  93. params.setTitleRows(2);
  94. params.setHeadRows(2);
  95. //params.setSheetNum(9);
  96. params.setNeedSave(true);
  97. long start = new Date().getTime();
  98. List<CourseEntity> list = ExcelImportUtil.importExcel(new File(
  99. "d:/tt.xls"), CourseEntity.class, params);
  100. ```
  101. 7.和spring mvc的无缝融合
  102. 简单几句话,Excel导出搞定
  103. ```Java
  104. @RequestMapping(params = "exportXls")
  105. public String exportXls(CourseEntity course,HttpServletRequest request,HttpServletResponse response
  106. , DataGrid dataGrid,ModelMap map) {
  107. CriteriaQuery cq = new CriteriaQuery(CourseEntity.class, dataGrid);
  108. org.jeecgframework.core.extend.hqlsearch.HqlGenerateUtil.installHql(cq, course, request.getParameterMap());
  109. List<CourseEntity> courses = this.courseService.getListByCriteriaQuery(cq,false);
  110. map.put(NormalExcelConstants.FILE_NAME,"用户信息");
  111. map.put(NormalExcelConstants.CLASS,CourseEntity.class);
  112. map.put(NormalExcelConstants.PARAMS,new ExportParams("课程列表", "导出人:Jeecg",
  113. "导出信息"));
  114. map.put(NormalExcelConstants.DATA_LIST,courses);
  115. return NormalExcelConstants.JEECG_EXCEL_VIEW;
  116. }
  117. ```
  118. ###版本修改
  119. - 2.0.6-SNAPSHOT
  120. - 增加map的导出
  121. - 增加index 列