依賴

com.alibaba

fastjson

1.2.37

org.apache.poi

poi

3.14

org.apache.poi

poi-ooxml

3.14

代碼

import com.alibaba.fastjson.JSONObject;

import org.apache.poi.hssf.usermodel.HSSFCell;

import org.apache.poi.hssf.usermodel.HSSFRow;

import org.apache.poi.hssf.usermodel.HSSFSheet;

import org.apache.poi.hssf.usermodel.HSSFWorkbook;

import java.io.*;

import java.util.Set;

public class JSONToExcel {

public static void main(String[] args) throws IOException {

Set keys = null;

// 創建HSSFWorkbook對象

HSSFWorkbook wb = new HSSFWorkbook();

// 創建HSSFSheet對象

HSSFSheet sheet = wb.createSheet("sheet0");

FileReader reader = new FileReader("c://resource.txt");

BufferedReader br = new BufferedReader(reader);

String str = null;

int roleNo = 0;

int rowNo = 0;

while ((str = br.readLine()) != null) {

JSONObject jsonObject = JSONObject.parseObject(str);

// 創建HSSFRow對象

HSSFRow row = sheet.createRow(roleNo++);

// 創建HSSFCell對象

if (keys == null) {

//標題

keys = jsonObject.keySet();

for (String s : keys) {

HSSFCell cell = row.createCell(rowNo++);

cell.setCellValue(s);

}

rowNo = 0;

row = sheet.createRow(roleNo++);

}

for (String s : keys) {

HSSFCell cell = row.createCell(rowNo++);

cell.setCellValue(jsonObject.getString(s));

}

rowNo = 0;

System.out.println(rowNo);

}

br.close();

reader.close();

// 輸出Excel文件

FileOutputStream output = new FileOutputStream("c://target.xls");

wb.write(output);

wb.close();

output.flush();

output.close();

}

}

總結

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