第一步、导入依赖
<!--生成excel文件--> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-examples</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-excelant</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-ooxml-schemas</artifactId> <version>3.9</version> </dependency> <dependency> <groupId>org.apache.poi</groupId> <artifactId>poi-scratchpad</artifactId> <version>3.9</version> </dependency>
第二步，编写实体类
public class Zhi {
private String url; //地址
private String Requestbody; //请求体
private String Responsebody; //响应体
@Override
public String toString() {
return "Zhi{" +
"url=‘" + url + ‘\‘‘ +
",Requestbody=‘" + Requestbody + ‘\‘‘ +
",Responsebody=‘" + Responsebody + ‘\‘‘ +
‘}‘;
}
public String getUrl() {
return url;
}
public void setUrl(String url) {
this.url = url;
}
public String getRequestbody() {
return Requestbody;
}
public void setRequestbody(String requestbody) {
Requestbody = requestbody;
}
public String getResponsebody() {
return Responsebody;
}
public void setResponsebody(String responsebody) {
Responsebody = responsebody;
}
}
第三步、编写表格生成工具
import org.apache.poi.hssf.usermodel.hssfCell; import org.apache.poi.hssf.usermodel.hssfCellStyle; import org.apache.poi.hssf.usermodel.hssfRow; import org.apache.poi.hssf.usermodel.hssfSheet; import org.apache.poi.hssf.usermodel.hssfWorkbook; public class ExcelUtil { /** * 导出Excel * @param sheetName sheet名称 * @param title 标题 * @param values 内容 * @param wb hssfWorkbook对象 * @return */ public static hssfWorkbook gethssfWorkbook(String sheetName,String []title,String [][]values,hssfWorkbook wb){ // 第一步，创建一个hssfWorkbook，对应一个Excel文件 if(wb == null){ wb = new hssfWorkbook(); } // 第二步，在workbook中添加一个sheet,对应Excel文件中的sheet hssfSheet sheet = wb.createSheet(sheetName); // 第三步，在sheet中添加表头第0行,注意老版本poi对Excel的行数列数有限制 hssfRow row = sheet.createRow(0); // 第四步，创建单元格，并设置值表头 设置表头居中 hssfCellStyle style = wb.createCellStyle(); style.setAlignment(hssfCellStyle.ALIGN_CENTER); // 创建一个居中格式 //声明列对象 hssfCell cell = null; //创建标题 for(int i=0;i<title.length;i++){ cell = row.createCell(i); cell.setCellValue(title[i]); cell.setCellStyle(style); } //创建内容 for(int i=0;i<values.length;i++){ row = sheet.createRow(i + 1); for(int j=0;j<values[i].length;j++){ //将内容按顺序赋给对应的列对象 row.createCell(j).setCellValue(values[i][j]); } } return wb; } }
第四步、编写controller层
import cn.kgc.pojo.Account; import cn.kgc.pojo.Zhi; import cn.kgc.service.impl.ExcelUtil; import cn.kgc.service.impl.SalaryServiceImpl; import org.apache.poi.hssf.usermodel.hssfWorkbook; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.ResponseBody; import javax.annotation.Resource; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.jsp.tagext.PageData; import java.io.OutputStream; import java.io.UnsupportedEncodingException; import java.util.ArrayList; import java.util.List; import java.util.Random; @Controller @RequestMapping(value = "/report") public class ReportFormController{ //@Resource(name = "reportService") //private ReportManager reportService; @Resource(name = "aoo") SalaryServiceImpl salaryService; /** * 导出报表 * @return */ @RequestMapping(value = "/export") @ResponseBody public void export(HttpServletRequest request,HttpServletResponse response) throws Exception { //获取数据 List<Zhi> list = new ArrayList<Zhi>(); Zhi zhi=null; /*生成随机数*/ Random random = new Random(); for(int i=0;i<100;i++){ int a = (int)(random.nextInt(900))+100; zhi=new Zhi(); zhi.setUrl("/NGCRMPF_GS_CGSHQGETFULLUSRINFO_POST"); zhi.setRequestbody("{\"params\":{\"object\":\"ServiceNo:13919892"+a+"\"}}"); zhi.setResponsebody("{\"rtnCode\":\"0\",\"rtnMsg\":\"成功!\",\"bean\":{},\"beans\":[],\"object\":\"0~success~0~75~0~正常~01~58元新飞享套餐~1~0931\"}"); list.add(zhi); } //excel标题 String[] title = {"请求地址","请求体","响应体"}; //excel文件名 String fileName = "学生信息表"+System.currentTimeMillis()+".xls"; //sheet名 String sheetName = "学生信息表"; String [][] content = new String[list.size()][]; for (int i = 0; i < list.size(); i++) { content[i] = new String[title.length]; Zhi obj = list.get(i); content[i][0] = obj.getUrl()+""; content[i][1] = obj.getRequestbody()+""; content[i][2] = obj.getResponsebody()+""; } //创建hssfWorkbook hssfWorkbook wb = ExcelUtil.gethssfWorkbook(sheetName,title,content,null); //响应到客户端 try { this.setResponseHeader(response,fileName); OutputStream os = response.getoutputStream(); wb.write(os); os.flush(); os.close(); } catch (Exception e) { e.printstacktrace(); } } //发送响应流方法 public void setResponseHeader(HttpServletResponse response,String fileName) { try { try { fileName = new String(fileName.getBytes(),"ISO8859-1"); } catch (UnsupportedEncodingException e) { // Todo Auto-generated catch block e.printstacktrace(); } response.setContentType("application/octet-stream;charset=ISO8859-1"); response.setHeader("Content-disposition","attachment;filename="+ fileName); response.addheader("Pargam","no-cache"); response.addheader("Cache-Control","no-cache"); } catch (Exception ex) { ex.printstacktrace(); } } }
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第五步 编写jsp部分 调用一下即可
<a href="${pageContext.request.contextpath}/report/export">导出Excel表格</a>
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