excel文件内容：

项目目录：

D:\code\smvc\phone-poi>tree /f
卷 软件 的文件夹 PATH 列表
卷序列号为 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>

这里共有四个excel文件，m 文件夹下的是我用microsoft excel 2010 编辑的,wps下的是我用 wps编辑的，每个文件夹下都有 97-03、07两种版本，内容基本上是一样的

代码：

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);//这种方式 Excel 2003/2007/2010 都是可以处理的int sheetCount = workbook.getNumberOfSheets();//Sheet的数量 //遍历每个Sheet  for (int s = 0; s < sheetCount; s++) {Sheet sheet = workbook.getSheetAt(s);//取得当前sheetint rowCount = sheet.getPhysicalNumberOfRows();//获取总行数  //遍历第一行，因为第一行，也就是索引为0的那一行是标题，所以这里从第二行也就是索引为1的行开始遍历for (int r = 1; r < rowCount; r++) {Student stu = new Student();Row row = sheet.getRow(r);int cellCount = row.getPhysicalNumberOfCells();//获取总列数 for (int c = 0; c < cellCount; c++) {Cell cell = row.getCell(c);switch (c) {case 0: {//我没有发现直接攻取int的方法，又不想先取其内容类型再取值，//所以我这里的方法是取出double型数据，然后再强转为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);}}
}

运行结果：

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=小代码, 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=小代码, 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=小代码, 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=小代码, 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>