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                ##### 2.3.1 對象定義 注解介紹了這么多,大家基本上也了解我們的注解是如何定義Excel的了吧,下面我們來跟著路飛實戰吧 這天老師吧路飛叫到了辦公室,讓給給老師實現一個報表的需求,就是從教育平臺把某個班級的人員導出來 需求是,導出我們班的所有學生的姓名,性別,出生日期,進校日期 正巧路飛剛看到Easypo,就打算用Easypoi來實現,實現方法如下: 首先定義一個我們導出的對象,***為了節省篇幅,統一忽略getter,setter*** ~~~ public class StudentEntity implements java.io.Serializable { /** * id */ private String id; /** * 學生姓名 */ @Excel(name = "學生姓名", height = 20, width = 30, isImportField = "true_st") private String name; /** * 學生性別 */ @Excel(name = "學生性別", replace = { "男_1", "女_2" }, suffix = "生", isImportField = "true_st") private int sex; @Excel(name = "出生日期", databaseFormat = "yyyyMMddHHmmss", format = "yyyy-MM-dd", isImportField = "true_st", width = 20) private Date birthday; @Excel(name = "進校日期", databaseFormat = "yyyyMMddHHmmss", format = "yyyy-MM-dd") private Date registrationDate; } ~~~ 這里設置我們的4列分別是學生姓名,學生性別,出生日期,進校日期 其中學生姓名定義了我們的列的行高,學生性別因為我們基本上都是存在數據庫都是數字所以我們轉換下,兩個日期我們都是進行了格式化輸出了,這樣我們就完成了業務對我們Excel的樣式需求,后面只有把這個學生列表輸出就可以了 生成Excel代碼如下 ~~~ Workbook workbook = ExcelExportUtil.exportExcel(new ExportParams("計算機一班學生","學生"), StudentEntity .class, list); ~~~ 這樣我們就得到的一個java中的Excel,然后把這個輸出就得到我們的Excel了[https://static.oschina.net/uploads/space/2017/0622/212811\_uh7e\_1157922.png](https://static.oschina.net/uploads/space/2017/0622/212811_uh7e_1157922.png) ![](https://static.oschina.net/uploads/space/2017/0622/212811_uh7e_1157922.png)
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