本文实例为大家分享了jxls根据模板导出excel实例的具体方法,供大家参考,具体内容如下
先做模板,做成想要的格式样子保存,然后通过程序根据模板生成对应样式的excel文件,代码简单。什么连接数据库查询然后将结果生成excel文件就不讲了,放入list里面,然后套一下就行了,照老虎花猫。
准备:
1、相关jar包:
2、模板文件 :
开始:
1、 先实体类:staff.java
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package myjxls;
/**
* 2014-3-17
* 8dou
* 实体
*/
public class staff {
/**
* 名称
*/
private string name;
/**
* 薪资
*/
private double payment;
/**
* 年终奖
*/
private double bonus;
public string getname() {
return name;
}
public void setname(string name) {
this .name = name;
}
public double getpayment() {
return payment;
}
public void setpayment( double payment) {
this .payment = payment;
}
public double getbonus() {
return bonus;
}
public void setbonus( double bonus) {
this .bonus = bonus;
}
public staff(string name, double payment, double bonus) {
super ();
this .name = name;
this .payment = payment;
this .bonus = bonus;
}
}
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2、测试类 charttest.java
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package myjxls;
/**
* 2014-3-17
* 8dou
* 测试jxls根据模板样式导出excel
*/
import java.util.arraylist;
import java.util.hashmap;
import java.util.list;
import java.util.map;
import net.sf.jxls.transformer.xlstransformer;
public class charttest {
/**
* @param args
*/
public static void main(string[] args) throws exception {
list<staff> staffs = new arraylist<staff>();
staff s1 = new staff( "张三" , 6000d, 3000d);
staffs.add(s1);
staff s2 = new staff( "李四" , 5000d, 2000d);
staffs.add(s2);
staff s3 = new staff( "王五" , 4000d, 1000d);
staffs.add(s3);
string srcfilepath = "e:/simple.xlsx" ;
string destfilepath = "e:/template-simple.xlsx" ;
map<string, list<staff>> beanparams = new hashmap<string, list<staff>>();
beanparams.put( "staffs" , staffs);
xlstransformer former = new xlstransformer();
former.transformxls(srcfilepath, beanparams, destfilepath);
system.out.println( "the end !!!" );
}
}
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运行结束后看生成的excel文件,template-simple.xlsx
如果是web,需要下载可以看
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// 下载
public static void dodownload(string path, string name,
httpservletresponse response) {
try {
response.reset();
response.setheader( "content-disposition" ,
"attachment;success=true;filename ="
+ urlencoder.encode(name, "utf-8" ));
bufferedinputstream bis = null ;
bufferedoutputstream bos = null ;
outputstream fos = null ;
inputstream fis = null ;
file uploadfile = new file(path);
fis = new fileinputstream(uploadfile);
bis = new bufferedinputstream(fis);
fos = response.getoutputstream();
bos = new bufferedoutputstream(fos);
// 弹出下载对话框
int bytesread = 0 ;
byte [] buffer = new byte [ 8192 ];
while ((bytesread = bis.read(buffer, 0 , 8192 )) != - 1 ) {
bos.write(buffer, 0 , bytesread);
}
bos.flush();
fis.close();
bis.close();
fos.close();
bos.close();
} catch (exception e) {
e.printstacktrace();
}
}
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最后补充下excel知识:在单元格里面将日期和时间显示在同一个单元格里面,自定义单元格式→yyyy-m-d hh:mm:ss
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持服务器之家。
原文链接:https://blog.csdn.net/zhao50632/article/details/21397685