• 使用java技术将Excel表格内容导入mysql数据库


    1、添加POI jar包到项目的lib目录下­
    2、Excel文件目录:d://excel.xls­
    3、数据库字段为:num1 num2 num3 num4 num5 num6­
    4、数据库名:blog­
    5、表名:test­
    6、编写类:连接mysql的字符串方法、插入的方法、实体类­­

    复制代码
     1 import java.io.FileInputStream;­
     2 import java.io.FileNotFoundException;­
     3 import java.io.IOException;­
     4 import org.apache.commons.logging.Log;­
     5 import org.apache.commons.logging.LogFactory;­
     6 import org.apache.poi.hssf.usermodel.HSSFCell;­
     7 import org.apache.poi.hssf.usermodel.HSSFRow;­
     8 import org.apache.poi.hssf.usermodel.HSSFSheet;­
     9 import org.apache.poi.hssf.usermodel.HSSFWorkbook;­
    10 
    11 public class TestExcel {­
    12       //记录类的输出信息­
    13       static Log log = LogFactory.getLog(TestExcel.class); ­
    14       //获取Excel文档的路径­
    15       public static String filePath = "D://excel.xls"
    16       public static void main(String[] args) {­
    17             try {­
    18                   // 创建对Excel工作簿文件的引用­
    19                   HSSFWorkbook wookbook = new HSSFWorkbook(new FileInputStream(filePath));­ 
    21                   // 在Excel文档中,第一张工作表的缺省索引是0
    22                   // 其语句为:HSSFSheet sheet = workbook.getSheetAt(0);­
    23                   HSSFSheet sheet = wookbook.getSheet("Sheet1");­
    25                   //获取到Excel文件中的所有行数­
    26                   int rows = sheet.getPhysicalNumberOfRows();
    28                   //遍历行­
    29                   for (int i = 0; i < rows; i++) {­
    30                         // 读取左上端单元格­
    31                         HSSFRow row = sheet.getRow(i);­
    32                         // 行不为空­
    33                         if (row != null) {­
    34                               //获取到Excel文件中的所有的列­
    35                               int cells = row.getPhysicalNumberOfCells();­
    36                               String value = "";     ­
    37                               //遍历列­
    38                               for (int j = 0; j < cells; j++) {­
    39                                     //获取到列的值­
    40                                     HSSFCell cell = row.getCell(j);­
    41                                     if (cell != null) {­
    42                                           switch (cell.getCellType()) {­
    43                                                 case HSSFCell.CELL_TYPE_FORMULA:­
    44                                                 break
    45                                                 case HSSFCell.CELL_TYPE_NUMERIC:­
    46                                                       value += cell.getNumericCellValue() + ",";        ­
    47                                                 break;  ­
    48                                                 case HSSFCell.CELL_TYPE_STRING:­
    49                                                       value += cell.getStringCellValue() + ","
    50                                                 break
    51                                                 default
    52                                                       value += "0"
    53                                                 break
    54                                     }­
    55                               }      
    56                         }­
    57                         // 将数据插入到mysql数据库中­
    58                         String[] val = value.split(",");­
    59                         TestEntity entity = new TestEntity();­
    60                         entity.setNum1(val[0]);­
    61                         entity.setNum2(val[1]);­
    62                         entity.setNum3(val[2]);­
    63                         entity.setNum4(val[3]);­
    64                         entity.setNum5(val[4]);­
    65                         entity.setNum6(val[5]);­
    66                         TestMethod method = new TestMethod();­
    67                         method.Add(entity);­
    68                   }­
    69              }­
    70       } catch (FileNotFoundException e) {­
    71             e.printStackTrace();­
    72       } catch (IOException e) {­
    73             e.printStackTrace();­
    74       }­
    75    }­
    76 
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  • 原文地址:https://www.cnblogs.com/htys/p/3248222.html
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