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poi 读取excel

發布時間:2025/3/17 编程问答 25 豆豆
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excel文件內容:

項目目錄:


D:\code\smvc\phone-poi>tree /f 卷 軟件 的文件夾 PATH 列表 卷序列號為 0000-CD08 D:. │ .classpath │ .project │ pom.xml │ ├─.settings │ org.eclipse.core.resources.prefs │ org.eclipse.jdt.core.prefs │ org.eclipse.m2e.core.prefs │ ├─m │ student.xls │ student.xlsx │ ├─src │ ├─main │ │ └─java │ │ └─com │ │ └─laolang │ │ ├─officeutil │ │ │ StudentExcelUtil.java │ │ │ │ │ └─pojo │ │ Student.java │ │ │ └─test │ └─java │ └─com │ └─laolang │ └─officeutil │ StudentExcelUtilTest.java │ └─wpsstudent.xlsstudent.xlsxD:\code\smvc\phone-poi> 這里共有四個excel文件,m 文件夾下的是我用microsoft excel 2010 編輯的,wps下的是我用 wps編輯的,每個文件夾下都有 97-03、07兩種版本,內容基本上是一樣的


代碼:

pom.xml


<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"><modelVersion>4.0.0</modelVersion><groupId>com.laolang.phone-study</groupId><artifactId>phone-poi</artifactId><version>0.0.1-SNAPSHOT</version><packaging>jar</packaging><name>phone-poi</name><url>http://maven.apache.org</url><properties><project.build.sourceEncoding>UTF-8</project.build.sourceEncoding></properties><dependencies><dependency><groupId>junit</groupId><artifactId>junit</artifactId><version>4.12</version><scope>test</scope></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi</artifactId><version>3.9</version></dependency><dependency><groupId>org.apache.poi</groupId><artifactId>poi-ooxml</artifactId><version>3.9</version></dependency></dependencies> </project> com.laolang.pojo.Student



package com.laolang.pojo;public class Student {public Student() {super();}public Student(String name, int age, String sex) {super();this.name = name;this.age = age;this.sex = sex;}public Student(int id, String name, int age, String sex) {super();this.id = id;this.name = name;this.age = age;this.sex = sex;}@Overridepublic String toString() {return "Student [id=" + id + ", name=" + name + ", age=" + age+ ", sex=" + sex + "]";}public int getId() {return id;}public void setId(int id) {this.id = id;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}private int id;private String name;private int age;private String sex; } com.laolang.officeutil.StudentExcelUtil



package com.laolang.officeutil;import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.util.ArrayList; import java.util.List;import org.apache.poi.openxml4j.exceptions.InvalidFormatException; import org.apache.poi.ss.usermodel.Cell; import org.apache.poi.ss.usermodel.Row; import org.apache.poi.ss.usermodel.Sheet; import org.apache.poi.ss.usermodel.Workbook; import org.apache.poi.ss.usermodel.WorkbookFactory;import com.laolang.pojo.Student;public class StudentExcelUtil {public static List<Student> execelToStudent(String filename) {List<Student> stuList = new ArrayList<Student>();File excelFile = new File(filename);try {FileInputStream is = new FileInputStream(excelFile);Workbook workbook = WorkbookFactory.create(is);//這種方式 Excel 2003/2007/2010 都是可以處理的int sheetCount = workbook.getNumberOfSheets();//Sheet的數量 //遍歷每個Sheet for (int s = 0; s < sheetCount; s++) {Sheet sheet = workbook.getSheetAt(s);//取得當前sheetint rowCount = sheet.getPhysicalNumberOfRows();//獲取總行數 //遍歷第一行,因為第一行,也就是索引為0的那一行是標題,所以這里從第二行也就是索引為1的行開始遍歷for (int r = 1; r < rowCount; r++) {Student stu = new Student();Row row = sheet.getRow(r);int cellCount = row.getPhysicalNumberOfCells();//獲取總列數 for (int c = 0; c < cellCount; c++) {Cell cell = row.getCell(c);switch (c) {case 0: {//我沒有發現直接攻取int的方法,又不想先取其內容類型再取值,//所以我這里的方法是取出double型數據,然后再強轉為intstu.setId((int)cell.getNumericCellValue());break;}case 1: {stu.setName(cell.getStringCellValue());break;}case 2: {stu.setAge((int)cell.getNumericCellValue());break;}case 3: {stu.setSex(cell.getStringCellValue());break;}}}stuList.add(stu);}}} catch (FileNotFoundException e) {e.printStackTrace();} catch (InvalidFormatException e) {e.printStackTrace();} catch (IOException e) {e.printStackTrace();}return stuList;} } com.laolang.officeutil.StudentExcelUtilTest



package com.laolang.officeutil;import java.util.List;import org.junit.Test;import com.laolang.pojo.Student;public class StudentExcelUtilTest {@Testpublic void testReadM(){System.out.println("microsoft 97-03:");List<Student> stuList = StudentExcelUtil.execelToStudent("m/student.xlsx");for( Student stu : stuList ){System.out.println(stu);}System.out.println("microsoft 97-03:");stuList = StudentExcelUtil.execelToStudent("m/student.xlsx");for( Student stu : stuList ){System.out.println(stu);}}@Testpublic void testReadWps(){System.out.println("wpd 97-03:");List<Student> stuList = StudentExcelUtil.execelToStudent("wps/student.xlsx");for( Student stu : stuList ){System.out.println(stu);}System.out.println("wps:");stuList = StudentExcelUtil.execelToStudent("m/student.xlsx");for( Student stu : stuList ){System.out.println(stu);}} } 運行結果:



D:\code\smvc\phone-poi>mvn test [INFO] Scanning for projects... [INFO] [INFO] ------------------------------------------------------------------------ [INFO] Building phone-poi 0.0.1-SNAPSHOT [INFO] ------------------------------------------------------------------------ [INFO] [INFO] --- maven-resources-plugin:2.4.3:resources (default-resources) @ phone-poi --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory D:\code\smvc\phone-poi\src\main\resources [INFO] [INFO] --- maven-compiler-plugin:2.3.2:compile (default-compile) @ phone-poi --- [INFO] Compiling 2 source files to D:\code\smvc\phone-poi\target\classes [INFO] [INFO] --- maven-resources-plugin:2.4.3:testResources (default-testResources) @ phone-poi --- [INFO] Using 'UTF-8' encoding to copy filtered resources. [INFO] skip non existing resourceDirectory D:\code\smvc\phone-poi\src\test\resources [INFO] [INFO] --- maven-compiler-plugin:2.3.2:testCompile (default-testCompile) @ phone-poi --- [INFO] Compiling 1 source file to D:\code\smvc\phone-poi\target\test-classes [INFO] [INFO] --- maven-surefire-plugin:2.7.2:test (default-test) @ phone-poi --- [INFO] Surefire report directory: D:\code\smvc\phone-poi\target\surefire-reports-------------------------------------------------------T E S T S ------------------------------------------------------- Running com.laolang.officeutil.StudentExcelUtilTest microsoft 97-03: Student [id=1001, name=小代碼, age=23, sex=男] Student [id=1002, name=老狼, age=34, sex=男] Student [id=1003, name=天涯, age=35, sex=男] Student [id=1004, name=行者, age=23, sex=男] microsoft 97-03: Student [id=1001, name=小代碼, age=23, sex=男] Student [id=1002, name=老狼, age=34, sex=男] Student [id=1003, name=天涯, age=35, sex=男] Student [id=1004, name=行者, age=23, sex=男] wpd 97-03: Student [id=1001, name=小代碼, age=23, sex=男] Student [id=1002, name=老狼, age=34, sex=男] Student [id=1003, name=行者, age=35, sex=男] Student [id=1004, name=天涯, age=23, sex=男] wps: Student [id=1001, name=小代碼, age=23, sex=男] Student [id=1002, name=老狼, age=34, sex=男] Student [id=1003, name=天涯, age=35, sex=男] Student [id=1004, name=行者, age=23, sex=男] Tests run: 2, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 0.82 secResults :Tests run: 2, Failures: 0, Errors: 0, Skipped: 0[INFO] ------------------------------------------------------------------------ [INFO] BUILD SUCCESS [INFO] ------------------------------------------------------------------------ [INFO] Total time: 3.330s [INFO] Finished at: Wed Mar 16 14:17:58 CST 2016 [INFO] Final Memory: 11M/19M [INFO] ------------------------------------------------------------------------ D:\code\smvc\phone-poi>






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