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package com.dsideal.base.Tools;
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import cn.hutool.poi.excel.ExcelReader;
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import cn.hutool.poi.excel.ExcelUtil;
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import com.jfinal.plugin.activerecord.Record;
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import java.io.File;
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import java.util.*;
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public class DataTransformer {
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public static void main(String[] args) {
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String input = "D:\\dsWork\\dsProject\\dsBase\\src\\main\\java\\com\\dsideal\\base\\Tools\\Sample.xlsx";
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File file = new File(input);
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//哪些列是固定不动的,比如此处是第0列与第1列是不动的，就是年份+学段
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List<Integer> fixedColumns = new ArrayList<>();
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fixedColumns.add(0);
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fixedColumns.add(1);
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//每列的列号与列名对应关系
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String[] colNames = new String[1024];
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int cl = 0;
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// 读取Excel数据
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ExcelReader reader = ExcelUtil.getReader(file);
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//表头
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List<List<Object>> read = reader.read(0, 0);//第0行是表头
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for (int i = 0; i < reader.getColumnCount(); i++) {
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colNames[cl++] = read.getFirst().get(i).toString();
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}
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//数据
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List<List<Object>> data = reader.read(1, reader.getRowCount());//从第1行读取到最后一行
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for (List<Object> row : data) {
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//拆分每一行的数据
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for (int i = 0; i < reader.getColumnCount(); i++) {
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if (!fixedColumns.contains(i)) {//非fixedColumns列进行枚举
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for (int cNum : fixedColumns) {
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String cName = colNames[cNum];//列名
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String value = row.get(cNum).toString();//列值
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System.out.print(cName + ":" + value+" ");
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}
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String cName = colNames[i];//列名
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String value = row.get(i).toString();
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System.out.print(cName + ":" + value);
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System.out.println();
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}
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}
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}
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}
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}
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